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EP3376309A1 - Winding mechanism of a timepiece - Google Patents

Winding mechanism of a timepiece Download PDF

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Publication number
EP3376309A1
EP3376309A1 EP17161690.7A EP17161690A EP3376309A1 EP 3376309 A1 EP3376309 A1 EP 3376309A1 EP 17161690 A EP17161690 A EP 17161690A EP 3376309 A1 EP3376309 A1 EP 3376309A1
Authority
EP
European Patent Office
Prior art keywords
winding
pinion
energy accumulator
clutch
stem
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17161690.7A
Other languages
German (de)
French (fr)
Other versions
EP3376309B1 (en
Inventor
Bernat Monferrer
Edmond Capt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Jaquet Droz SA
Original Assignee
Montres Jaquet Droz SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Jaquet Droz SA filed Critical Montres Jaquet Droz SA
Priority to EP17161690.7A priority Critical patent/EP3376309B1/en
Priority to JP2018045294A priority patent/JP6706639B2/en
Priority to US15/919,258 priority patent/US10802445B2/en
Priority to CN201810218496.8A priority patent/CN108628142B/en
Priority to RU2018109333A priority patent/RU2760425C2/en
Publication of EP3376309A1 publication Critical patent/EP3376309A1/en
Application granted granted Critical
Publication of EP3376309B1 publication Critical patent/EP3376309B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/023—Driving, e.g. by springs or common drive with the clockwork; gears; escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/026—Mechanical devices for setting the time indicating means by making use of the winding means for several clockworks or pairs of hands and/or supplementary functions
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/006—Mechanical winding up; winding up with special equipment
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/062—Means for preventing the winding stem from being pulled out too far

Definitions

  • the invention relates to a winding mechanism of a timepiece comprising at least a first energy accumulator arranged to supply power to a first mechanism and a second energy accumulator arranged to supply power to a second mechanism, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion carried by said winding stem and having opposite to each other straight teeth arranged to allow the driving of the winding pinion by the pinion flowing in both directions of rotation of the winding stem, said winding stem and the sliding pinion occupying the same axial position of winding.
  • the invention also relates to a timepiece comprising such a winding mechanism.
  • Such a winding mechanism is for example described in the patent CH 330202 .
  • This document describes an alarm watch comprising a first energy accumulator constituted by the movement barrel and a second energy accumulator constituted by the striking barrel.
  • the mechanism comprises a winding stem arranged to perform all the commands of the movement and the alarm clock, including setting the time of movement and ringing, but also the winding of the barrel of movement or the barrel of ringing by turning in one way or the other the winding stem when it occupies its middle winding position.
  • the sliding pinion is engaged with the winding pinion by teeth of straight shape, and there is provided a crown wheel engaged with the winding pinion, and two crown gear, meshing both with the crown wheel and intended to cooperate respectively with the ratchet of each of the barrels.
  • the meshing of the crown gear with the ratchet of the corresponding barrel is provided by a spring which acts on the axes of the crown gear to push them and bring them into engagement with the corresponding ratchet.
  • the unclamping causes the persistence of a weak and cyclic contact between the parts.
  • Such a mechanism is fragile due to the permanent solicitation of the spring to ensure a good meshing of the crown returns with the corresponding ratchet.
  • a loss of efficiency of the spring by fatigue or aging, entails the risk that one or other of the referrals no longer cooperate with the corresponding ratchet so that the associated cylinder can not be reassembled.
  • Another disadvantage is the wear of the crown gear during unclipping. In addition, this construction imposes a control of the manufacturing tolerances of the spring.
  • the patent CH 47977 also discloses a mechanism for winding and setting the watch clock to two barrels.
  • This mechanism comprises a winding ratchet of the movement barrel constantly engaged with a crown wheel meshing with a winding pinion, and arranged to actuate the movement barrel shaft only in a direction of rotation of the rod.
  • the winding ratchet of the movement barrel is used to transmit the reverse movement of rotation of the rod to the winding ratchet of the revolving barrel or to the waking wheel by a pivoted return on a rocker operable from outside the watch .
  • This mechanism has the disadvantage of requiring the actuation of an external control in addition to the rotation of the winding stem to raise the barrel of ringing.
  • the invention particularly aims to overcome the various disadvantages of known devices.
  • an object of the invention is to provide a winding mechanism for the reassembly of two energy accumulators by the single rotation of the winding stem in both directions.
  • the invention also aims to provide a winding mechanism for reassembly of two energy accumulators having a high accuracy and reliable over time.
  • the invention also aims to provide a winding mechanism for the reassembly of two energy accumulators of simplified construction.
  • the present invention relates to a winding mechanism of a timepiece comprising at least a first energy accumulator arranged to supply energy to a first mechanism and a second energy accumulator arranged to supply energy to a second mechanism, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion carried by said winding stem and having opposite to each other straight teeth arranged to allow the driving of the winding pinion by the pinion flowing in both directions of rotation of the winding stem, said winding stem and the sliding pinion occupying the same axial position of winding.
  • the winding mechanism comprises a clutch device cooperating with the winding pinion and arranged to occupy a first clutch position according to which it engages the winding pinion and the first energy accumulator when the rod of winder is rotated in one direction, the second energy accumulator being disengaged, without any contact with said clutch device, and a second clutch position according to which it engages the winding pinion and the second energy accumulator when the winding stem is rotated in the other direction, the first energy accumulator being disengaged, without any contact with said clutch device .
  • the winding mechanism according to the invention allows to go up two energy accumulators by the single rotation of the winding stem in one direction and the other, by means of a simplified construction mechanism.
  • the winding mechanism according to the invention is particularly suitable for assembling a movement barrel constituting one of the energy accumulators and for mounting a barrel of an independent automaton constituting the other of the energy accumulators.
  • the present invention also relates to a timepiece comprising a winding mechanism as defined above.
  • the present invention relates to a winding mechanism of at least two energy accumulators provided in a timepiece.
  • These two accumulators can be independent of each other or linked, for example at the discharge. More particularly, in the description that follows, the two energy accumulators are independent or autonomous, one of the energy accumulators being a movement cylinder supplying energy to the base movement of the timepiece and the other energy accumulators being for example a barrel of automaton feeding an automaton provided in the timepiece. It is obvious that the energy accumulators can be used to supply energy to any other mechanism of a timepiece, for example a striking mechanism, dead second or alarm clock, or any other appropriate mechanism.
  • the first energy accumulator is constituted by a first barrel, for example the movement barrel
  • the second energy accumulator is constituted by a second barrel, for example the barrel of automaton.
  • a winding mechanism 1 of a timepiece which comprises in a conventional manner a winding stem 2 on which are mounted a winding pinion 4 and a sliding pinion 6.
  • the winding stem 2 is arranged to occupy at least two axial positions, namely a first winding position in which the rotation of the winding stem 2 in one direction (here clockwise) causes the arming of the first energy accumulator 3, that is to say say the first barrel, and the rotation of the winding stem 2 in the other direction (here counterclockwise) causes the arming of the second energy accumulator 5, that is to say the second barrel, as it is will see below, and a second setting position in which the rotation of the winding stem in both clockwise and counterclockwise direction allows the setting of the time of movement, none of the first and second energy accumulators can not be armed, whatever the meaning of ro tation of the winding stem.
  • the winding pinion 4 is rotatably mounted on a cylindrical portion of the winding stem 2.
  • the sliding pinion 6 has a square hole and is slidably mounted on a corresponding square provided at the end of the winding stem 2.
  • the sliding pinion 6 can thus slide between the winding position in which it meshes with the winding pinion 4 and the setting time setting position in which the sliding pinion 6 is separated winding pinion 4 and meshes with the time setting mechanism.
  • the displacement of the sliding pinion 6 is provided by a mechanism comprising a pull tab 7 and a rocker 9, visible on the figure 4 . All these elements and Mechanisms are known to those skilled in the art and do not require a more detailed description.
  • the sliding pinion and the winding pinion do not mesh with a Breguet toothing but have opposite of each other straight edge teeth arranged to allow the driving of the winding pinion 4 by the sliding pinion 6 in both clockwise and counterclockwise rotation of the winding stem 2, said winding stem 2 and the sliding pinion 6 occupying the same axial winding position.
  • the straight edge teeth of the sliding pinion 6 and of the winding pinion 4 may be dog teeth.
  • the winding pinion 4 and the sliding pinion 6 respectively have, in place of a Breguet toothing, teeth 8 in the form of crenellations ending in two inclined faces joining the top of the crenel and alternating with recesses 10. of complementary shape to that of the teeth 8 allowing their meshing by the engagement of the teeth 8 of one in the corresponding recesses 10 of the other.
  • This form of dog-toed toothings allows the sliding pinion 6 to come to fit easily (“clutch") in the winding pinion 4, and to transmit more torque when in the winding position, as shown in FIG. the figure 4 .
  • the winding pinion 4 also comprises a peripheral toothing 12 arranged to cooperate with the clutch device as will be detailed below.
  • the sliding pinion 6 also comprises a toothing of edge 14, opposite the jaw teeth to jaw 8, arranged to cooperate with the setting mechanism.
  • the winding mechanism comprises a clutch device 16 cooperating with the winding pinion 4.
  • the clutch device 16 may occupy intermediate and transient positions in which it does not cooperate with any of the first and second energy accumulators 3, 5.
  • the clutch device 16 comprises a crown wheel 20 cooperating with the peripheral toothing 12 of the winding pinion 4 and on which is mounted a clutch rocker 22.
  • Said clutch rocker 22 carries at its end free a drive pinion 24 arranged to kinematically connect the crown wheel 20 to one or the other of the first and second energy accumulator 3,5.
  • the driving pinion 24 is positioned on the clutch rocker 22 and arranged on the one hand to mesh with the crown wheel 20 and on the other hand to be able to mesh, according to the example shown, with either a first ratchet 28 cooperating with the first energy accumulator 3 when the clutch device 16 is in first clutch position, or with a second ratchet 40 cooperating with the second energy accumulator 5 when said clutch device 16 is in second clutch position.
  • the first and second energy accumulators 3, 5 are reassembled by their ratchet respective, non-return mechanisms (not shown) such as ratchet, spring or jumper, known to those skilled in the art, being provided at the ratchet to prevent the ratchet back.
  • first and second energy accumulators 3, 5 have opposite operating directions.
  • the skilled person knows how to arrange the components of energy accumulators 3, 5 (drum, spring, shaft) to have two barrels operating in opposite directions. It is obvious that, in another variant not shown, the winding of one of the barrels can be done by the drum in order to rotate the barrel in the opposite direction, and the driving pinion will then be arranged to mesh with the drum said barrel.
  • the directions of rotation of the winding stem described here are not limiting and that they can be reversed, the first energy accumulator can be raised by rotation of the winding stem in the counterclockwise direction. Second energy accumulator is then raised by rotation of the winding stem in the clockwise direction.
  • the two energy accumulators are arranged in the same plane, on the same floor of the timepiece.
  • the first and second energy accumulators can be arranged on different stages, intermediate mobiles and / or referrals then being used to kinematically bind the clutch device to each of the accumulators energy when it occupies the corresponding clutch position.
  • the use of intermediate mobiles and / or referrals will be adapted by the skilled person also depending on the direction of rotation of the other components of the construction, and in particular for example depending on the direction of rotation of the barrels.
  • winding mechanism according to the invention is as follows: with reference to Figures 1 to 4 when it is necessary to raise the first energy accumulator 3 or first barrel, the winding stem 2 is positioned in its axial winding position so that the sliding pinion 6 meshes with the winding pinion 4 as shown in FIG. figure 4 then the winding stem 2 is turned clockwise. This rotation of the winding stem 2 causes the rotation of the winding pinion 4 in the clockwise direction. The winding pinion 4 meshes with the crown wheel 20 to rotate it counterclockwise (when looking at the dial).
  • the clutch rocker 22 and the drive pinion 24 being integral because of the friction and the absence of torque transmission through the workings, and the drive pinion 24 being engaged with the crown wheel 20, the latch
  • the clutch 22 and the driving pinion 24 rotate integrally with said crown wheel 20 about its axis 21 counterclockwise until the driving pinion 24 comes into contact with the first ratchet 28 of the first energy accumulator 3.
  • the clutch device 16 then occupies its first clutch position, as shown by the Figures 1 to 4 .
  • the clutch device 16 When it occupies its first clutch position, the clutch device 16 is positioned so that the kinematic chain which links it to the second energy accumulator 5 is inactive, the clutch device 16 having no contact with it. one of the components of this kinematic chain. In particular, this kinematic chain does not include any component in unclipping position.
  • the drive pinion 24 having pivoted with the clutch rocker 22 in the first clutch position, no contact is then possible between the drive pinion 24 and the second ratchet 40, or any other intermediate component possibly provided.
  • the winding stem 2 is always positioned in its axial winding position so that the sliding pinion 6, which has not moved, always meshes with the winding pinion 4 (as shown in FIG. figure 4 ), then the winding stem 2 is turned counterclockwise. This rotation of the winding stem 2 causes the rotation of the winding pinion 4 counterclockwise.
  • the winding pinion 4 meshes with the crown wheel 20 to rotate it clockwise (when looking at the dial).
  • the clutch rocker 22 and the drive pinion 24 being integral because of the friction and the absence of torque transmission through the workings, and the drive pinion 24 is still engaged with the crown wheel 20, the rocker 22 and the drive pinion 24 rotate integrally with said crown wheel 20 about its axis 21 in the clockwise direction until the drive pinion 24 comes into contact with the second ratchet 40 of the second energy accumulator 5
  • the clutch device 16 then occupies its second clutch position shown in FIG. figure 5 .
  • the clutch device 16 When it occupies its second clutch position, the clutch device 16 is positioned so that the kinematic chain that links it to the first energy accumulator 3 is inactive, the clutch device 16 having no contact with the clutch. one of the components of this kinematic chain. In particular, this kinematic chain does not include any component in unclipping position.
  • the drive pinion 24 pivoted with the clutch rocker 22 in the second clutch position, moved away from the area occupied by the first energy accumulator 3, no contact being then possible between the drive pinion 24 and the first ratchet 28, or any other intermediate component possibly provided.
  • the winding mechanism according to the invention allows, by means of a simple construction device, a precise and reliable reassembly of two energy accumulators by the single rotation of the winding stem in both directions, the stem of winder occupying the same axial position of winding.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

L'invention se rapporte à un mécanisme de remontage d'une pièce d'horlogerie comprenant au moins un premier et un second accumulateurs d'énergie (3, 5), ledit mécanisme de remontage comportant une tige de remontoir (2), un pignon de remontoir (4) et un pignon coulant (6) présentant en regard l'un de l'autre des dentures droites agencées pour permettre l'entrainement du pignon de remontoir (4) par le pignon coulant (6) dans les deux sens de rotation de la tige de remontoir (2), ladite tige de remontoir (2) et le pignon coulant (6) occupant une même position axiale de remontage. Le mécanisme de remontage comprend un dispositif d'embrayage (16) coopérant avec le pignon de remontoir (4) et agencé pour occuper une première position d'embrayage selon laquelle il embraye le pignon de remontoir (4) et le premier accumulateur d'énergie (3) lorsque la tige de remontoir (2) est tournée dans un sens, le second accumulateur d'énergie (5) étant débrayé, sans aucun contact avec ledit dispositif d'embrayage (16), et une seconde position d'embrayage selon laquelle il embraye le pignon de remontoir (4) et le second accumulateur d'énergie (5) lorsque la tige de remontoir (2) est tournée dans l'autre sens, le premier accumulateur d'énergie (3) étant débrayé, sans aucun contact avec ledit dispositif d'embrayage (16).The invention relates to a winding mechanism of a timepiece comprising at least a first and a second energy accumulator (3, 5), said winding mechanism comprising a winding stem (2), a pinion winder (4) and a sliding pinion (6) having straight teeth arranged opposite one another to enable the winding pinion (4) to be driven by the sliding pinion (6) in both directions of rotation. rotation of the winding stem (2), said winding stem (2) and the sliding pinion (6) occupying the same axial position of winding. The winding mechanism comprises a clutch device (16) cooperating with the winding pinion (4) and arranged to occupy a first clutch position in which it engages the winding pinion (4) and the first energy accumulator. (3) when the winding stem (2) is rotated in one direction, the second energy accumulator (5) being disengaged, without any contact with said clutch device (16), and a second clutch position according to which it engages the winding pinion (4) and the second energy accumulator (5) when the winding stem (2) is turned in the other direction, the first energy accumulator (3) being disengaged, without any contact with said clutch device (16).

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un mécanisme de remontage d'une pièce d'horlogerie comprenant au moins un premier accumulateur d'énergie agencé pour alimenter en énergie un premier mécanisme et un second accumulateur d'énergie agencé pour alimenter en énergie un second mécanisme, ledit mécanisme de remontage comportant une tige de remontoir, un pignon de remontoir et un pignon coulant portés par ladite tige de remontoir et présentant en regard l'un de l'autre des dentures droites agencées pour permettre l'entrainement du pignon de remontoir par le pignon coulant dans les deux sens de rotation de la tige de remontoir, ladite tige de remontoir et le pignon coulant occupant une même position axiale de remontage. L'invention se rapporte également à une pièce d'horlogerie comprenant un tel mécanisme de remontage.The invention relates to a winding mechanism of a timepiece comprising at least a first energy accumulator arranged to supply power to a first mechanism and a second energy accumulator arranged to supply power to a second mechanism, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion carried by said winding stem and having opposite to each other straight teeth arranged to allow the driving of the winding pinion by the pinion flowing in both directions of rotation of the winding stem, said winding stem and the sliding pinion occupying the same axial position of winding. The invention also relates to a timepiece comprising such a winding mechanism.

Arrière-plan de l'inventionBackground of the invention

Un tel mécanisme de remontage est par exemple décrit dans le brevet CH 330202 . Ce document décrit une montre-réveil comprenant un premier accumulateur d'énergie constitué par le barillet de mouvement et un second accumulateur d'énergie constitué par le barillet de sonnerie. Le mécanisme comprend une tige de remontoir agencée pour effectuer toutes les commandes du mouvement et du réveil, et notamment la mise à l'heure du mouvement et de la sonnerie, mais également le remontage du barillet de mouvement ou du barillet de sonnerie en tournant dans un sens ou dans l'autre la tige de remontoir lorsqu'elle occupe sa position médiane de remontage. A cet effet, le pignon coulant est en prise avec le pignon de remontoir par des dents de forme droite, et il est prévu une roue de couronne en prise avec le pignon de remontoir, et deux renvois de couronne, engrenant tous deux avec la roue de couronne et destinés à coopérer respectivement avec le rochet de chacun des barillets. L'engrènement des renvois de couronne avec le rochet du barillet correspondant est assuré par un ressort qui agit sur les axes des renvois de couronne pour les pousser et les amener en prise avec le rochet correspondant. Lorsque la tige de remontoir est tournée dans un sens ou dans l'autre, par l'effort tangentiel exercé par la roue de couronne sur les renvois, l'un des renvois de couronne opère le remontage du barillet correspondant tandis que l'autre fait décliquetage. Le décliquetage entraine la persistance d'un contact faible et cyclique entre les pièces. Un tel mécanisme est fragile du fait de la sollicitation permanente du ressort pour assurer un bon engrènement des renvois de couronne avec le rochet correspondant. Une perte d'efficacité du ressort, par fatigue ou par vieillissement, entraine le risque que l'un ou l'autre des renvois ne coopère plus avec le rochet correspondant de sorte que le barillet associé ne pourra plus être remonté. Un autre inconvénient est l'usure des renvois de couronne lors du décliquetage. De plus, cette construction impose un contrôle des tolérances de fabrication du ressort.Such a winding mechanism is for example described in the patent CH 330202 . This document describes an alarm watch comprising a first energy accumulator constituted by the movement barrel and a second energy accumulator constituted by the striking barrel. The mechanism comprises a winding stem arranged to perform all the commands of the movement and the alarm clock, including setting the time of movement and ringing, but also the winding of the barrel of movement or the barrel of ringing by turning in one way or the other the winding stem when it occupies its middle winding position. For this purpose, the sliding pinion is engaged with the winding pinion by teeth of straight shape, and there is provided a crown wheel engaged with the winding pinion, and two crown gear, meshing both with the crown wheel and intended to cooperate respectively with the ratchet of each of the barrels. The meshing of the crown gear with the ratchet of the corresponding barrel is provided by a spring which acts on the axes of the crown gear to push them and bring them into engagement with the corresponding ratchet. When the winding stem is turned in one direction or the other, by the tangential force exerted by the crown wheel on the returns, one of the crown returns operates the winding of the corresponding cylinder while the other makes unlatching. The unclamping causes the persistence of a weak and cyclic contact between the parts. Such a mechanism is fragile due to the permanent solicitation of the spring to ensure a good meshing of the crown returns with the corresponding ratchet. A loss of efficiency of the spring, by fatigue or aging, entails the risk that one or other of the referrals no longer cooperate with the corresponding ratchet so that the associated cylinder can not be reassembled. Another disadvantage is the wear of the crown gear during unclipping. In addition, this construction imposes a control of the manufacturing tolerances of the spring.

Le brevet CH 47977 décrit également un mécanisme de remontage et de mise à l'heure de montre-réveil à deux barillets. Ce mécanisme comprend un rochet de remontage du barillet de mouvement constamment en prise avec une roue de couronne engrenant avec un pignon de remontoir, et disposé pour n'actionner l'arbre de barillet de mouvement que dans un sens de rotation de la tige. Le rochet de remontage du barillet de mouvement est utilisé pour transmettre le mouvement inverse de rotation de la tige soit au rochet de remontage du barillet de réveil soit à la roue de réveil par un renvoi pivoté sur une bascule manoeuvrable depuis l'extérieur de la montre. Ce mécanisme présente l'inconvénient de nécessiter l'actionnement d'une commande extérieure en plus de la rotation de la tige de remontoir pour remonter le barillet de sonnerie.The patent CH 47977 also discloses a mechanism for winding and setting the watch clock to two barrels. This mechanism comprises a winding ratchet of the movement barrel constantly engaged with a crown wheel meshing with a winding pinion, and arranged to actuate the movement barrel shaft only in a direction of rotation of the rod. The winding ratchet of the movement barrel is used to transmit the reverse movement of rotation of the rod to the winding ratchet of the revolving barrel or to the waking wheel by a pivoted return on a rocker operable from outside the watch . This mechanism has the disadvantage of requiring the actuation of an external control in addition to the rotation of the winding stem to raise the barrel of ringing.

Résumé de l'inventionSummary of the invention

L'invention a notamment pour objectif de pallier les différents inconvénients des dispositifs connus.The invention particularly aims to overcome the various disadvantages of known devices.

Plus précisément, un objectif de l'invention est de fournir un mécanisme de remontage permettant le remontage de deux accumulateurs d'énergie par la seule rotation de la tige de remontoir dans les deux sens.More specifically, an object of the invention is to provide a winding mechanism for the reassembly of two energy accumulators by the single rotation of the winding stem in both directions.

L'invention a également pour objectif de fournir un mécanisme de remontage permettant le remontage de deux accumulateurs d'énergie présentant une grande précision et fiable dans le temps.The invention also aims to provide a winding mechanism for reassembly of two energy accumulators having a high accuracy and reliable over time.

L'invention a également pour objectif de fournir un mécanisme de remontage permettant le remontage de deux accumulateurs d'énergie de construction simplifiée.The invention also aims to provide a winding mechanism for the reassembly of two energy accumulators of simplified construction.

A cet effet, la présente invention concerne un mécanisme de remontage d'une pièce d'horlogerie comprenant au moins un premier accumulateur d'énergie agencé pour alimenter en énergie un premier mécanisme et un second accumulateur d'énergie agencé pour alimenter en énergie un second mécanisme, ledit mécanisme de remontage comportant une tige de remontoir, un pignon de remontoir et un pignon coulant portés par ladite tige de remontoir et présentant en regard l'un de l'autre des dentures droites agencées pour permettre l'entrainement du pignon de remontoir par le pignon coulant dans les deux sens de rotation de la tige de remontoir, ladite tige de remontoir et le pignon coulant occupant une même position axiale de remontage.To this end, the present invention relates to a winding mechanism of a timepiece comprising at least a first energy accumulator arranged to supply energy to a first mechanism and a second energy accumulator arranged to supply energy to a second mechanism, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion carried by said winding stem and having opposite to each other straight teeth arranged to allow the driving of the winding pinion by the pinion flowing in both directions of rotation of the winding stem, said winding stem and the sliding pinion occupying the same axial position of winding.

Selon l'invention, le mécanisme de remontage comprend un dispositif d'embrayage coopérant avec le pignon de remontoir et agencé pour occuper une première position d'embrayage selon laquelle il embraye le pignon de remontoir et le premier accumulateur d'énergie lorsque la tige de remontoir est tournée dans un sens, le second accumulateur d'énergie étant débrayé, sans aucun contact avec ledit dispositif d'embrayage, et une seconde position d'embrayage selon laquelle il embraye le pignon de remontoir et le second accumulateur d'énergie lorsque la tige de remontoir est tournée dans l'autre sens, le premier accumulateur d'énergie étant débrayé, sans aucun contact avec ledit dispositif d'embrayage.According to the invention, the winding mechanism comprises a clutch device cooperating with the winding pinion and arranged to occupy a first clutch position according to which it engages the winding pinion and the first energy accumulator when the rod of winder is rotated in one direction, the second energy accumulator being disengaged, without any contact with said clutch device, and a second clutch position according to which it engages the winding pinion and the second energy accumulator when the winding stem is rotated in the other direction, the first energy accumulator being disengaged, without any contact with said clutch device .

Ainsi, le mécanisme de remontage selon l'invention permet de remonter deux accumulateurs d'énergie par la seule rotation de la tige de remontoir dans un sens et dans l'autre, au moyen d'un mécanisme de construction simplifiée.Thus, the winding mechanism according to the invention allows to go up two energy accumulators by the single rotation of the winding stem in one direction and the other, by means of a simplified construction mechanism.

De plus, lorsque l'un des accumulateurs d'énergie est remonté au moyen du dispositif d'embrayage, l'autre des accumulateurs d'énergie est débrayé, ce qui signifie une absence totale de contact avec le dispositif d'embrayage et donc la suppression du risque d'usure, contrairement à un décliquetage.In addition, when one of the energy accumulators is reassembled by means of the clutch device, the other energy accumulator is disengaged, which means a total absence of contact with the clutch device and therefore the eliminating the risk of wear, unlike unclipping.

Le mécanisme de remontage selon l'invention est particulièrement approprié pour remonter un barillet de mouvement constituant l'un des accumulateurs d'énergie et pour remonter un barillet d'un automate indépendant constituant l'autre des accumulateurs d'énergie.The winding mechanism according to the invention is particularly suitable for assembling a movement barrel constituting one of the energy accumulators and for mounting a barrel of an independent automaton constituting the other of the energy accumulators.

La présente invention concerne également une pièce d'horlogerie comprenant un mécanisme de remontage tel que défini ci-dessus.The present invention also relates to a timepiece comprising a winding mechanism as defined above.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation particulier de l'invention, donné à titre de simple exemple illustratif et non limitatif, et des figures annexées, parmi lesquelles :

  • la figure 1 est une vue en perspective, côté ponts, du mécanisme de remontage conforme à l'invention, le dispositif d'embrayage étant dans sa première position d'embrayage, la tige de remontoir ayant été tournée dans le sens horaire;
  • la figure 2 est une vue en coupe dépliée du dispositif d'embrayage dans sa première position d'embrayage, côté ponts;
  • la figure 3 est une vue côté pont, du mécanisme de remontage conforme à l'invention, le dispositif d'embrayage étant dans sa première position d'embrayage;
  • la figure 4 est une vue côté cadran, du mécanisme de remontage conforme à l'invention, le dispositif d'embrayage étant dans sa première position d'embrayage ;
  • la figure 5 est une vue côté ponts, du mécanisme de remontage conforme à l'invention, le dispositif d'embrayage étant dans sa seconde position d'embrayage, la tige de remontoir ayant été tournée dans le sens antihoraire ;
  • la figure 6 est une vue en perspective du pignon de remontoir ; et
  • la figure 7 est une vue en perspective du pignon coulant.
Other features and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given as a simple illustrative and nonlimiting example, and the appended figures, among which: :
  • the figure 1 is a perspective view, on the bridge side, of the winding mechanism according to the invention, the clutch device being in its first clutch position, the winding stem having been turned clockwise;
  • the figure 2 is an unfolded sectional view of the clutch device in its first clutch position, bridge side;
  • the figure 3 is a bridge side view of the winding mechanism according to the invention, the clutch device being in its first clutch position;
  • the figure 4 is a dial-side view of the winding mechanism according to the invention, the clutch device being in its first clutch position;
  • the figure 5 is a bridge side view of the winding mechanism according to the invention, the clutch device being in its second clutch position, the winding stem having been rotated counterclockwise;
  • the figure 6 is a perspective view of the winding pinion; and
  • the figure 7 is a perspective view of the sliding pinion.

Description détaillée d'un mode de réalisation préféréDetailed description of a preferred embodiment

La présente invention concerne un mécanisme de remontage d'au moins deux accumulateurs d'énergie prévus dans une pièce d'horlogerie. Ces deux accumulateurs peuvent être indépendants l'un de l'autre ou liés, par exemple au niveau de la décharge. Plus particulièrement, dans la description qui suit, les deux accumulateurs d'énergie sont indépendants ou autonomes, l'un des accumulateurs d'énergie étant un barillet de mouvement alimentant en énergie le mouvement de base de la pièce d'horlogerie et l'autre des accumulateurs d'énergie étant par exemple un barillet d'automate alimentant un automate prévu dans la pièce d'horlogerie. Il est bien évident que les accumulateurs d'énergie peuvent être utilisés pour alimenter en énergie tout autre mécanisme d'une pièce d'horlogerie, par exemple un mécanisme de sonnerie, de seconde morte ou de réveil, ou tout autre mécanisme approprié.The present invention relates to a winding mechanism of at least two energy accumulators provided in a timepiece. These two accumulators can be independent of each other or linked, for example at the discharge. More particularly, in the description that follows, the two energy accumulators are independent or autonomous, one of the energy accumulators being a movement cylinder supplying energy to the base movement of the timepiece and the other energy accumulators being for example a barrel of automaton feeding an automaton provided in the timepiece. It is obvious that the energy accumulators can be used to supply energy to any other mechanism of a timepiece, for example a striking mechanism, dead second or alarm clock, or any other appropriate mechanism.

Dans l'exemple décrit ci-dessous, le premier accumulateur d'énergie est constitué par un premier barillet, par exemple le barillet de mouvement, et le second accumulateur d'énergie est constitué par un second barillet, par exemple le barillet d'automate. Il est toutefois bien évident que les rôles peuvent être inversés, le caractère « premier » ou « second » attribué dans la présente description au barillet de mouvement, respectivement au barillet d'automate n'étant pas limitatif.In the example described below, the first energy accumulator is constituted by a first barrel, for example the movement barrel, and the second energy accumulator is constituted by a second barrel, for example the barrel of automaton. . It is however quite obvious that the roles can be reversed, the character "first" or "second" attributed in this description to the barrel of movement, respectively to the barrel of automaton is not limiting.

En référence notamment aux figures 1 et 2, il est représenté un mécanisme de remontage 1 d'une pièce d'horlogerie qui comporte d'une manière classique une tige de remontoir 2 sur laquelle sont montés un pignon de remontoir 4 et un pignon coulant 6. La tige de remontoir 2 est agencée pour occuper au moins deux positions axiales, à savoir une première position de remontage dans laquelle la rotation de la tige de remontoir 2 dans un sens (ici sens horaire) entraine l'armage du premier accumulateur d'énergie 3, c'est-à-dire le premier barillet, et la rotation de la tige de remontoir 2 dans l'autre sens (ici antihoraire) entraine l'armage du second accumulateur d'énergie 5, c'est-à-dire le second barillet, comme on le verra ci-dessous, et une deuxième position de mise à l'heure dans laquelle la rotation de la tige de remontoir dans les deux sens horaire et antihoraire permet la mise à l'heure du mouvement, aucun des premier et second accumulateurs d'énergie ne pouvant alors être armé, quel que soit le sens de rotation de la tige de remontoir. D'une manière connue de l'homme du métier, le pignon de remontoir 4 est monté libre en rotation sur une partie cylindrique de la tige de remontoir 2. Le pignon coulant 6 présente un trou carré et est monté coulissant sur un carré correspondant prévu à l'extrémité de la tige de remontoir 2. Le pignon coulant 6 peut ainsi coulisser entre la position de remontage dans laquelle il engrène avec le pignon de remontoir 4 et la position de mise à l'heure dans laquelle le pignon coulant 6 est séparé du pignon de remontoir 4 et engrène avec le mécanisme de mise à l'heure. Le déplacement du pignon coulant 6 est assuré par un mécanisme comprenant une tirette 7 et une bascule 9, visibles sur la figure 4. Tous ces éléments et mécanismes sont connus de l'homme du métier et ne nécessitent pas de description plus détaillée.With reference in particular to Figures 1 and 2 , there is shown a winding mechanism 1 of a timepiece which comprises in a conventional manner a winding stem 2 on which are mounted a winding pinion 4 and a sliding pinion 6. The winding stem 2 is arranged to occupy at least two axial positions, namely a first winding position in which the rotation of the winding stem 2 in one direction (here clockwise) causes the arming of the first energy accumulator 3, that is to say say the first barrel, and the rotation of the winding stem 2 in the other direction (here counterclockwise) causes the arming of the second energy accumulator 5, that is to say the second barrel, as it is will see below, and a second setting position in which the rotation of the winding stem in both clockwise and counterclockwise direction allows the setting of the time of movement, none of the first and second energy accumulators can not be armed, whatever the meaning of ro tation of the winding stem. In a manner known to those skilled in the art, the winding pinion 4 is rotatably mounted on a cylindrical portion of the winding stem 2. The sliding pinion 6 has a square hole and is slidably mounted on a corresponding square provided at the end of the winding stem 2. The sliding pinion 6 can thus slide between the winding position in which it meshes with the winding pinion 4 and the setting time setting position in which the sliding pinion 6 is separated winding pinion 4 and meshes with the time setting mechanism. The displacement of the sliding pinion 6 is provided by a mechanism comprising a pull tab 7 and a rocker 9, visible on the figure 4 . All these elements and Mechanisms are known to those skilled in the art and do not require a more detailed description.

On notera toutefois qu'à la différence des mécanismes de remontage classiques, le pignon coulant et le pignon de remontoir ne s'engrènent pas par une denture Breguet mais présentent en regard l'un de l'autre des dentures de chant droites agencées pour permettre l'entrainement du pignon de remontoir 4 par le pignon coulant 6 dans les deux sens de rotation horaire et antihoraire de la tige de remontoir 2, ladite tige de remontoir 2 et le pignon coulant 6 occupant une même position axiale de remontage.Note however that unlike conventional winding mechanisms, the sliding pinion and the winding pinion do not mesh with a Breguet toothing but have opposite of each other straight edge teeth arranged to allow the driving of the winding pinion 4 by the sliding pinion 6 in both clockwise and counterclockwise rotation of the winding stem 2, said winding stem 2 and the sliding pinion 6 occupying the same axial winding position.

En référence plus particulièrement aux figures 6 et 7, les dentures de chant droites du pignon coulant 6 et du pignon de remontoir 4 peuvent être des dentures à crabot. A cet effet, le pignon de remontoir 4 et le pignon coulant 6 présentent respectivement, au lieu d'une denture Breguet, des dents 8 en forme de créneaux se terminant par deux faces inclinées se joignant au sommet du créneau et alternant avec des évidements 10 de forme complémentaire à celle des dents 8 permettant leur engrènement par l'engagement des dents 8 de l'un dans les évidements correspondants 10 de l'autre. Cette forme de dentures de chant à crabot permet au pignon coulant 6 de venir s'emboiter (se « craboter ») facilement dans le pignon de remontoir 4, et de transmettre plus de couple lorsqu'ils sont en position de remontage, comme le montre la figure 4. Ces dentures de chant à crabot sont également usinables sans grande contrainte. D'une manière connue en soi, le pignon de remontoir 4 comprend également une denture périphérique 12 agencée pour coopérer avec le dispositif d'embrayage comme cela sera détaillé ci-dessous. Le pignon coulant 6 comprend également une denture de chant 14, opposée à la denture de chant à crabots 8, agencée pour coopérer avec le mécanisme de mise à l'heure.With particular reference to Figures 6 and 7 the straight edge teeth of the sliding pinion 6 and of the winding pinion 4 may be dog teeth. For this purpose, the winding pinion 4 and the sliding pinion 6 respectively have, in place of a Breguet toothing, teeth 8 in the form of crenellations ending in two inclined faces joining the top of the crenel and alternating with recesses 10. of complementary shape to that of the teeth 8 allowing their meshing by the engagement of the teeth 8 of one in the corresponding recesses 10 of the other. This form of dog-toed toothings allows the sliding pinion 6 to come to fit easily ("clutch") in the winding pinion 4, and to transmit more torque when in the winding position, as shown in FIG. the figure 4 . These claw teeth are also machinable without great strain. In a manner known per se, the winding pinion 4 also comprises a peripheral toothing 12 arranged to cooperate with the clutch device as will be detailed below. The sliding pinion 6 also comprises a toothing of edge 14, opposite the jaw teeth to jaw 8, arranged to cooperate with the setting mechanism.

Conformément à l'invention, et en référence aux figures 1 à 4, le mécanisme de remontage comprend un dispositif d'embrayage 16 coopérant avec le pignon de remontoir 4.In accordance with the invention, and with reference to Figures 1 to 4 , the winding mechanism comprises a clutch device 16 cooperating with the winding pinion 4.

En outre, le dispositif d'embrayage 16 est agencé pour occuper:

  • une première position d'embrayage selon laquelle ledit dispositif d'embrayage 16 embraye le pignon de remontoir 4 et le premier accumulateur d'énergie 3 lorsque la tige de remontoir 2 est tournée dans un sens (ici sens horaire), le second accumulateur d'énergie 5 étant alors débrayé, sans aucun contact avec ledit dispositif d'embrayage 16, et
  • une seconde position d'embrayage selon laquelle ledit dispositif d'embrayage 16 embraye le pignon de remontoir 4 et le second accumulateur d'énergie 5 lorsque la tige de remontoir 2 est tournée dans l'autre sens (ici sens antihoraire), le premier accumulateur d'énergie 3 étant alors débrayé, sans aucun contact avec ledit dispositif d'embrayage 16.
In addition, the clutch device 16 is arranged to occupy:
  • a first clutch position according to which said clutch device 16 engages the winding pinion 4 and the first energy accumulator 3 when the winding stem 2 is rotated in one direction (here clockwise), the second accumulator of energy 5 being then disengaged, without any contact with said clutch device 16, and
  • a second clutch position according to which said clutch device 16 engages the winding pinion 4 and the second energy accumulator 5 when the winding stem 2 is rotated in the other direction (here anticlockwise), the first accumulator energy 3 then being disengaged, without any contact with said clutch device 16.

Entre ces deux première et seconde positions d'embrayage, le dispositif d'embrayage 16 peut occuper des positions intermédiaires et transitoires dans lesquelles il ne coopère avec aucun des premier et second accumulateurs d'énergie 3, 5.Between these two first and second clutch positions, the clutch device 16 may occupy intermediate and transient positions in which it does not cooperate with any of the first and second energy accumulators 3, 5.

Selon l'invention, le dispositif d'embrayage 16 comprend une roue de couronne 20 coopérant avec la denture périphérique 12 du pignon de remontoir 4 et sur laquelle est montée une bascule d'embrayage 22. Ladite bascule d'embrayage 22 porte à son extrémité libre un pignon entraineur 24 agencé pour pouvoir relier cinématiquement la roue de couronne 20 à l'un ou l'autre des premier et second accumulateurs d'énergie 3,5. Plus particulièrement, le pignon entraineur 24 est positionné sur la bascule d'embrayage 22 et agencé d'une part pour engrener avec la roue de couronne 20 et d'autre part pour pouvoir engrener, selon l'exemple représenté, avec soit un premier rochet 28 coopérant avec le premier accumulateur d'énergie 3 lorsque le dispositif d'embrayage 16 est en première position d'embrayage, soit avec un second rochet 40 coopérant avec le second accumulateur d'énergie 5 lorsque ledit dispositif d'embrayage 16 est en seconde position d'embrayage. Dans l'exemple décrit ici, les premier et second accumulateurs d'énergie 3, 5 sont remontés par leur rochet respectif, des mécanismes anti-retour (non représentés) tels que cliquet, ressort ou sautoir, connus de l'homme du métier, étant prévus au niveau du rochet pour empêcher le rochet de revenir en arrière. En outre, les premier et second accumulateurs d'énergie 3, 5 ont ici des sens de fonctionnement opposés. L'homme du métier sait comment agencer les composants des accumulateurs d'énergie 3, 5 (tambour, ressort, arbre) afin d'avoir deux barillets fonctionnant dans des sens opposés. Il est bien évident que, dans une autre variante non représentée, l'armage d'un des barillets peut se faire par le tambour afin de faire tourner le barillet dans le sens opposé, et le pignon entraineur sera alors agencé pour engrener avec le tambour dudit barillet.According to the invention, the clutch device 16 comprises a crown wheel 20 cooperating with the peripheral toothing 12 of the winding pinion 4 and on which is mounted a clutch rocker 22. Said clutch rocker 22 carries at its end free a drive pinion 24 arranged to kinematically connect the crown wheel 20 to one or the other of the first and second energy accumulator 3,5. More particularly, the driving pinion 24 is positioned on the clutch rocker 22 and arranged on the one hand to mesh with the crown wheel 20 and on the other hand to be able to mesh, according to the example shown, with either a first ratchet 28 cooperating with the first energy accumulator 3 when the clutch device 16 is in first clutch position, or with a second ratchet 40 cooperating with the second energy accumulator 5 when said clutch device 16 is in second clutch position. In the example described here, the first and second energy accumulators 3, 5 are reassembled by their ratchet respective, non-return mechanisms (not shown) such as ratchet, spring or jumper, known to those skilled in the art, being provided at the ratchet to prevent the ratchet back. In addition, the first and second energy accumulators 3, 5 here have opposite operating directions. The skilled person knows how to arrange the components of energy accumulators 3, 5 (drum, spring, shaft) to have two barrels operating in opposite directions. It is obvious that, in another variant not shown, the winding of one of the barrels can be done by the drum in order to rotate the barrel in the opposite direction, and the driving pinion will then be arranged to mesh with the drum said barrel.

La bascule d'embrayage 22 est montée libre sur l'axe 21 de ladite roue de couronne 20 et le pignon entraineur 24 est monté à friction sur ladite bascule d'embrayage 22, de sorte que, tant que le dispositif d'embrayage 16 n'occupe pas l'une des positions d'embrayage, ladite bascule d'embrayage 22 et le pignon entraineur 24 pivotent solidairement avec ladite roue de couronne 20 pour passer :

  • en première position d'embrayage et lier cinématiquement le pignon entraineur 24 au premier rochet 28 du premier accumulateur d'énergie 3, puis, une fois le pignon entraineur 24 au contact du premier rochet 28 du premier accumulateur d'énergie 3, la bascule d'embrayage 22 est empêchée de continuer à pivoter et le pignon entraineur 24 se désolidarise de la bascule d'embrayage 22 grâce à la friction, permettant ainsi l'entrainement du pignon entraineur 24 par le pignon de remontoir 4 via la roue de couronne 20 pour remonter le premier accumulateur d'énergie 3 lorsque la tige de remontoir 2 est tournée dans un premier sens, par exemple le sens horaire, le pignon entraineur 24 étant de ce fait à distance du second accumulateur d'énergie 5,
  • en seconde position d'embrayage et lier cinématiquement le pignon entraineur 24 au second rochet 40 du second accumulateur d'énergie 5 puis, une fois le pignon entraineur 24 au contact du second rochet 40 du second accumulateur d'énergie 5, la bascule d'embrayage 22 est empêchée de continuer à pivoter et le pignon entraineur 24 se désolidarise de la bascule d'embrayage 22 grâce à la friction, permettant ainsi l'entrainement du pignon entraineur 24 par le pignon de remontoir 4 via la roue de couronne 20 pour remonter le second accumulateur d'énergie 5 lorsque la tige de remontoir 2 est tournée dans un second sens inverse, par exemple le sens antihoraire, le pignon entraineur 24 étant de ce fait à distance du premier accumulateur d'énergie 3.
The clutch rocker 22 is freely mounted on the axis 21 of said crown wheel 20 and the driving pinion 24 is frictionally mounted on said clutch rocker 22, so that, as long as the clutch device 16 n does not occupy one of the clutch positions, said clutch rocker 22 and the driving pinion 24 pivot integrally with said crown wheel 20 to pass:
  • in the first clutch position and kinematically link the driving pinion 24 to the first ratchet 28 of the first energy accumulator 3, then, once the driving pinion 24 in contact with the first ratchet 28 of the first energy accumulator 3, the latch clutch 22 is prevented from continuing to pivot and the driving pinion 24 disengages from the clutch rocker 22 thanks to the friction, thus allowing the driving pinion 24 to be driven by the winding pinion 4 via the crown gear 20 to back up the first energy accumulator 3 when the winding stem 2 is rotated in a first direction, for example clockwise, the driving pinion 24 being thus at a distance from the second energy accumulator 5,
  • in second clutch position and kinematically link the drive pinion 24 to the second ratchet 40 of the second energy accumulator 5 then, once the driving pinion 24 in contact with the second ratchet 40 of the second energy accumulator 5, the clutch rocker 22 is prevented from continuing to pivot and the driving pinion 24 is disengaged from the clutch rocker 22 thanks to the friction , thereby enabling the drive pinion 24 to be driven by the winding pinion 4 via the ring gear 20 to raise the second energy accumulator 5 when the winding stem 2 is rotated in a second opposite direction, for example the counterclockwise direction , the driving pinion 24 being thus remote from the first energy accumulator 3.

Il est bien évident que les sens de rotation de la tige de remontoir décrits ici ne sont pas limitatifs et qu'ils peuvent être inversés, le premier accumulateur d'énergie pouvant être remonté par rotation de la tige de remontoir dans le sens antihoraire, le second accumulateur d'énergie étant alors remonté par rotation de la tige de remontoir dans le sens horaire.It is obvious that the directions of rotation of the winding stem described here are not limiting and that they can be reversed, the first energy accumulator can be raised by rotation of the winding stem in the counterclockwise direction. second energy accumulator is then raised by rotation of the winding stem in the clockwise direction.

En outre, selon un mode de réalisation préféré, les deux accumulateurs d'énergie sont disposés dans un même plan, à un même étage de la pièce d'horlogerie. Il est bien évident que dans une variante non représentée, les premier et second accumulateurs d'énergie peuvent être disposés à des étages différents, des mobiles intermédiaires et/ou renvois étant alors utilisés pour pouvoir lier cinématiquement le dispositif d'embrayage à chacun des accumulateurs d'énergie lorsqu'il occupe la position d'embrayage correspondante. De plus, l'utilisation de mobiles intermédiaires et/ou de renvois sera à adapter par l'homme du métier en fonction également du sens de rotation des autres composants de la construction, et notamment par exemple en fonction des sens de rotation des barillets.In addition, according to a preferred embodiment, the two energy accumulators are arranged in the same plane, on the same floor of the timepiece. It is obvious that in a variant not shown, the first and second energy accumulators can be arranged on different stages, intermediate mobiles and / or referrals then being used to kinematically bind the clutch device to each of the accumulators energy when it occupies the corresponding clutch position. In addition, the use of intermediate mobiles and / or referrals will be adapted by the skilled person also depending on the direction of rotation of the other components of the construction, and in particular for example depending on the direction of rotation of the barrels.

Le fonctionnement du mécanisme de remontage selon l'invention est le suivant : en référence aux figures 1 à 4, lorsqu'il est nécessaire de remonter le premier accumulateur d'énergie 3 ou premier barillet, la tige de remontoir 2 est positionnée dans sa position axiale de remontage pour que le pignon coulant 6 engrène avec le pignon de remontoir 4 comme le montre la figure 4, puis la tige de remontoir 2 est tournée dans le sens horaire. Cette rotation de la tige de remontoir 2 entraine la rotation du pignon de remontoir 4 dans le sens horaire. Le pignon de remontoir 4 engrène avec la roue de couronne 20 pour la faire pivoter dans le sens antihoraire (lorsque l'on regarde le cadran). La bascule d'embrayage 22 et le pignon entraineur 24 étant solidaires du fait de la friction et de l'absence de transmission de couple à travers les rouages, et le pignon entraineur 24 étant en prise avec la roue de couronne 20, la bascule d'embrayage 22 et le pignon entraineur 24 pivotent solidairement avec ladite roue de couronne 20 autour de son axe 21 dans le sens antihoraire jusqu'à ce que le pignon entraineur 24 entre en contact avec le premier rochet 28 du premier accumulateur d'énergie 3. Le dispositif d'embrayage 16 occupe alors sa première position d'embrayage, comme le montrent les figures 1 à 4. Le pivotement de la bascule d'embrayage 22 étant désormais empêché, le pignon entraineur 24 se désolidarise alors de la bascule d'embrayage 22 grâce à la friction, de sorte que la rotation de la roue de couronne 20 entrainée par le pignon de remontoir 4 entraine maintenant la rotation du pignon entraineur 24 qui engrène avec le premier rochet 28 pour le remontage du premier barillet 3.The operation of the winding mechanism according to the invention is as follows: with reference to Figures 1 to 4 when it is necessary to raise the first energy accumulator 3 or first barrel, the winding stem 2 is positioned in its axial winding position so that the sliding pinion 6 meshes with the winding pinion 4 as shown in FIG. figure 4 then the winding stem 2 is turned clockwise. This rotation of the winding stem 2 causes the rotation of the winding pinion 4 in the clockwise direction. The winding pinion 4 meshes with the crown wheel 20 to rotate it counterclockwise (when looking at the dial). The clutch rocker 22 and the drive pinion 24 being integral because of the friction and the absence of torque transmission through the workings, and the drive pinion 24 being engaged with the crown wheel 20, the latch The clutch 22 and the driving pinion 24 rotate integrally with said crown wheel 20 about its axis 21 counterclockwise until the driving pinion 24 comes into contact with the first ratchet 28 of the first energy accumulator 3. The clutch device 16 then occupies its first clutch position, as shown by the Figures 1 to 4 . The pivoting of the clutch rocker 22 is now prevented, the driving pinion 24 then disengages from the clutch rocker 22 thanks to the friction, so that the rotation of the crown wheel 20 driven by the winding pinion 4 now causes the rotation of the drive pinion 24 which meshes with the first ratchet 28 for reassembly of the first barrel 3.

Lorsqu'il occupe sa première position d'embrayage, le dispositif d'embrayage 16 est positionné de sorte que la chaine cinématique qui le lie au second accumulateur d'énergie 5 est inactive, le dispositif d'embrayage 16 n'ayant aucun contact avec l'un des composants de cette chaine cinématique. Notamment, cette chaine cinématique ne comprend aucun composant en position de décliquetage. Plus particulièrement, comme le montrent les figures 1 à 4, le pignon entraineur 24 ayant pivoté avec la bascule d'embrayage 22 en première position d'embrayage, aucun contact n'est alors possible entre le pignon entraineur 24 et le second rochet 40, ou tout autre composant intermédiaire éventuellement prévu.When it occupies its first clutch position, the clutch device 16 is positioned so that the kinematic chain which links it to the second energy accumulator 5 is inactive, the clutch device 16 having no contact with it. one of the components of this kinematic chain. In particular, this kinematic chain does not include any component in unclipping position. In particular, as shown by the Figures 1 to 4 , the drive pinion 24 having pivoted with the clutch rocker 22 in the first clutch position, no contact is then possible between the drive pinion 24 and the second ratchet 40, or any other intermediate component possibly provided.

Pour remonter le second accumulateur d'énergie 5, en référence à la figure 5, la tige de remontoir 2 est toujours positionnée dans sa position axiale de remontage pour que le pignon coulant 6, qui ne s'est pas déplacé, engrène toujours avec le pignon de remontoir 4 (comme le montre la figure 4), puis la tige de remontoir 2 est tournée dans le sens antihoraire. Cette rotation de la tige de remontoir 2 entraine la rotation du pignon de remontoir 4 dans le sens antihoraire. Le pignon de remontoir 4 engrène avec la roue de couronne 20 pour la faire pivoter dans le sens horaire (lorsque l'on regarde le cadran). La bascule d'embrayage 22 et le pignon entraineur 24 étant solidaires du fait de la friction et de l'absence de transmission de couple à travers les rouages, et le pignon entraineur 24 étant toujours en prise avec la roue de couronne 20, la bascule d'embrayage 22 et le pignon entraineur 24 pivotent solidairement avec ladite roue de couronne 20 autour de son axe 21 dans le sens horaire jusqu'à ce que le pignon entraineur 24 entre en contact avec le second rochet 40 du second accumulateur d'énergie 5. Le dispositif d'embrayage 16 occupe alors sa seconde position d'embrayage représentée sur la figure 5. Le pivotement de la bascule d'embrayage 22 étant désormais empêché, le pignon entraineur 24 se désolidarise alors de la bascule d'embrayage 22 grâce à la friction, de sorte que la rotation de la roue de couronne 20 entrainée par le pignon de remontoir 4 entraine maintenant la rotation du pignon entraineur 24 qui engrène avec le second rochet 40 pour le remontage du second barillet 5.To reassemble the second energy accumulator 5, with reference to the figure 5 , the winding stem 2 is always positioned in its axial winding position so that the sliding pinion 6, which has not moved, always meshes with the winding pinion 4 (as shown in FIG. figure 4 ), then the winding stem 2 is turned counterclockwise. This rotation of the winding stem 2 causes the rotation of the winding pinion 4 counterclockwise. The winding pinion 4 meshes with the crown wheel 20 to rotate it clockwise (when looking at the dial). The clutch rocker 22 and the drive pinion 24 being integral because of the friction and the absence of torque transmission through the workings, and the drive pinion 24 is still engaged with the crown wheel 20, the rocker 22 and the drive pinion 24 rotate integrally with said crown wheel 20 about its axis 21 in the clockwise direction until the drive pinion 24 comes into contact with the second ratchet 40 of the second energy accumulator 5 The clutch device 16 then occupies its second clutch position shown in FIG. figure 5 . The pivoting of the clutch rocker 22 is now prevented, the driving pinion 24 then disengages from the clutch rocker 22 thanks to the friction, so that the rotation of the crown wheel 20 driven by the winding pinion 4 now causes the rotation of the drive pinion 24 which meshes with the second ratchet 40 for reassembly of the second cylinder 5.

Lorsqu'il occupe sa seconde position d'embrayage, le dispositif d'embrayage 16 est positionné de sorte que la chaine cinématique qui le lie au premier accumulateur d'énergie 3 est inactive, le dispositif d'embrayage 16 n'ayant aucun contact avec l'un des composants de cette chaine cinématique. Notamment, cette chaine cinématique ne comprend aucun composant en position de décliquetage. Plus particulièrement, comme le montre la figure 5, le pignon entraineur 24 ayant pivoté avec la bascule d'embrayage 22 en seconde position d'embrayage, s'est écarté de la zone occupée par le premier accumulateur d'énergie 3, aucun contact n'étant alors possible entre le pignon entraineur 24 et le premier rochet 28, ou tout autre composant intermédiaire éventuellement prévu.When it occupies its second clutch position, the clutch device 16 is positioned so that the kinematic chain that links it to the first energy accumulator 3 is inactive, the clutch device 16 having no contact with the clutch. one of the components of this kinematic chain. In particular, this kinematic chain does not include any component in unclipping position. In particular, as shown in figure 5 , the drive pinion 24 pivoted with the clutch rocker 22 in the second clutch position, moved away from the area occupied by the first energy accumulator 3, no contact being then possible between the drive pinion 24 and the first ratchet 28, or any other intermediate component possibly provided.

Ainsi, le mécanisme de remontage selon l'invention permet, au moyen d'un dispositif de construction simple, un remontage précis et fiable de deux accumulateurs d'énergie par la seule rotation de la tige de remontoir dans les deux sens, la tige de remontoir occupant une même position axiale de remontage.Thus, the winding mechanism according to the invention allows, by means of a simple construction device, a precise and reliable reassembly of two energy accumulators by the single rotation of the winding stem in both directions, the stem of winder occupying the same axial position of winding.

Claims (7)

Mécanisme de remontage d'une pièce d'horlogerie comprenant au moins un premier accumulateur d'énergie (3) agencé pour alimenter en énergie un premier mécanisme et un second accumulateur d'énergie (5) agencé pour alimenter en énergie un second mécanisme, ledit mécanisme de remontage comportant une tige de remontoir (2), un pignon de remontoir (4) et un pignon coulant (6) portés par ladite tige de remontoir (2) et présentant en regard l'un de l'autre des dentures droites agencées pour permettre l'entrainement du pignon de remontoir (4) par le pignon coulant (6) dans les deux sens de rotation de la tige de remontoir (2), ladite tige de remontoir (2) et le pignon coulant (6) occupant une même position axiale de remontage, caractérisé en ce que le mécanisme de remontage comprend un dispositif d'embrayage (16) coopérant avec le pignon de remontoir (4) et agencé pour occuper une première position d'embrayage selon laquelle il embraye le pignon de remontoir (4) et le premier accumulateur d'énergie (3) lorsque la tige de remontoir (2) est tournée dans un sens, le second accumulateur d'énergie (5) étant débrayé, sans aucun contact avec ledit dispositif d'embrayage (16), et une seconde position d'embrayage selon laquelle il embraye le pignon de remontoir (4) et le second accumulateur d'énergie (5) lorsque la tige de remontoir (2) est tournée dans l'autre sens, le premier accumulateur d'énergie (3) étant débrayé, sans aucun contact avec ledit dispositif d'embrayage (16).A winding mechanism of a timepiece comprising at least a first energy accumulator (3) arranged to supply energy to a first mechanism and a second energy accumulator (5) arranged to supply power to a second mechanism, said winding mechanism comprising a winding stem (2), a winding pinion (4) and a sliding pinion (6) carried by said winding stem (2) and presenting arranged straight teeth facing one another to allow the driving of the winding pinion (4) by the sliding pinion (6) in both directions of rotation of the winding stem (2), said winding stem (2) and the sliding pinion (6) occupying a same axial position of winding, characterized in that the winding mechanism comprises a clutch device (16) cooperating with the winding pinion (4) and arranged to occupy a first clutch position according to which it engages the winding pinion (4) and the first st energy accumulator (3) when the winding stem (2) is rotated in one direction, the second energy accumulator (5) being disengaged, without any contact with said clutch device (16), and a second clutch position in which it engages the winding pinion (4) and the second energy accumulator (5) when the winding stem (2) is rotated in the other direction, the first energy accumulator (3) being disengaged, without any contact with said clutch device (16). Mécanisme de remontage selon la revendication 1, caractérisé en ce que le dispositif d'embrayage (16) comprend une roue de couronne (20) coopérant avec le pignon de remontoir (4) et sur laquelle est montée une bascule d'embrayage (22) portant un pignon entraineur (24) agencé pour pouvoir relier cinématiquement la roue de couronne (20) à l'un ou l'autre des premier et second accumulateurs d'énergie (3, 5), ladite bascule d'embrayage (22) étant montée libre sur la roue de couronne (20) et le pignon entraineur (24) étant monté à friction sur la bascule d'embrayage (22) de manière à pivoter solidairement avec ladite roue de couronne (20) dans la première position d'embrayage pour lier cinématiquement le pignon entraineur (24) au premier accumulateur d'énergie (3) puis permettre l'entrainement du pignon entraineur (24) par la roue de couronne (20) pour remonter le premier accumulateur d'énergie (3), lorsque la tige de remontoir (2) est tournée dans un premier sens, et de manière à pivoter solidairement avec ladite roue de couronne (20) dans la seconde position d'embrayage pour lier cinématiquement le pignon entraineur (24) au second accumulateur d'énergie (5) puis permettre l'entrainement du pignon entraineur (24) par la roue de couronne (20) pour remonter le second accumulateur d'énergie (5), lorsque la tige de remontoir (2) est tournée dans un second sens inverse.Winding mechanism according to claim 1, characterized in that the clutch device (16) comprises a crown wheel (20) cooperating with the winding pinion (4) and on which is mounted a clutch rocker (22). carrying a driving pinion (24) arranged to be able to kinematically connect the crown wheel (20) to one or the other of the first and second energy accumulators (3, 5), said clutch lever (22) being free mounting on the crown wheel (20) and the driving pinion (24) being mounted frictionally on the clutch rocker (22) of so as to pivot integrally with said crown wheel (20) in the first clutch position to cinematically link the driving pinion (24) to the first energy accumulator (3) and then allow the drive pinion (24) to be driven by the crown wheel (20) for refitting the first energy accumulator (3), when the winding stem (2) is rotated in a first direction, and so as to pivot integrally with said crown wheel (20) in the second clutch position for kinematically binding the driving pinion (24) to the second energy accumulator (5) and then allowing the drive pinion (24) to be driven by the crown wheel (20) to raise the second energy accumulator ( 5), when the winding stem (2) is turned in a second opposite direction. Mécanisme de remontage selon l'une des revendications précédentes, caractérisé en ce que les dentures droites du pignon coulant (6) et du pignon de remontoir (4) sont des dentures à crabot.Winding mechanism according to one of the preceding claims, characterized in that the straight teeth of the sliding pinion (6) and the winding pinion (4) are toothed to clutch. Mécanisme de remontage selon la revendication précédente, caractérisé en ce que le pignon coulant (6) et le pignon de remontoir (4) présentent respectivement des dents (8) en forme de créneaux se terminant par deux faces inclinées se joignant au sommet et alternant avec des évidements (10) de forme complémentaire à celle des dents (8) permettant leur engrènement par l'engagement des dents (8) de l'un dans les évidements (10) correspondants de l'autre.Winding mechanism according to the preceding claim, characterized in that the sliding pinion (6) and the winding pinion (4) respectively have teeth (8) in the form of crenellations ending in two inclined faces joining the top and alternating with recesses (10) of complementary shape to that of the teeth (8) allowing their meshing by the engagement of the teeth (8) of one in the recesses (10) corresponding to the other. Mécanisme de remontage selon l'une des revendications 2 à 4, caractérisé en ce que le pignon entraineur (24) est agencé pour pouvoir engrener avec un premier rochet (28) coopérant avec le premier accumulateur d'énergie (3) lorsque le dispositif d'embrayage (16) est en première position d'embrayage et pour pouvoir engrener avec un second rochet (40) coopérant avec le second accumulateur d'énergie (5) lorsque le dispositif d'embrayage (16) est en seconde position d'embrayage.Winding mechanism according to one of Claims 2 to 4, characterized in that the driving pinion (24) is arranged to be able to mesh with a first ratchet (28) cooperating with the first energy accumulator (3) when the device clutch (16) is in first clutch position and for meshing with a second ratchet (40) cooperating with the second energy accumulator (5) when the clutch device (16) is in second clutch position . Mécanisme de remontage selon l'une des revendications précédentes, caractérisé en ce que les premier et second accumulateurs d'énergie (3, 5) sont disposés dans un même plan.Winding mechanism according to one of the preceding claims, characterized in that the first and second energy accumulators (3, 5) are arranged in the same plane. Pièce d'horlogerie comprenant au moins un premier accumulateur d'énergie (3) agencé pour alimenter en énergie un premier mécanisme, un second accumulateur d'énergie (5) agencé pour alimenter en énergie un second mécanisme, et un mécanisme de remontage selon l'une des revendications précédentes.Timepiece comprising at least a first energy accumulator (3) arranged to supply power to a first mechanism, a second energy accumulator (5) arranged to supply power to a second mechanism, and a winding mechanism according to the invention. one of the preceding claims.
EP17161690.7A 2017-03-17 2017-03-17 Winding mechanism of a timepiece Active EP3376309B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17161690.7A EP3376309B1 (en) 2017-03-17 2017-03-17 Winding mechanism of a timepiece
JP2018045294A JP6706639B2 (en) 2017-03-17 2018-03-13 Winding mechanism of timer
US15/919,258 US10802445B2 (en) 2017-03-17 2018-03-13 Winding mechanism of a timepiece
CN201810218496.8A CN108628142B (en) 2017-03-17 2018-03-16 Winding mechanism for clock
RU2018109333A RU2760425C2 (en) 2017-03-17 2018-03-16 Node for winding up clock and clock containing such a node

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17161690.7A EP3376309B1 (en) 2017-03-17 2017-03-17 Winding mechanism of a timepiece

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EP3376309A1 true EP3376309A1 (en) 2018-09-19
EP3376309B1 EP3376309B1 (en) 2022-05-18

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EP (1) EP3376309B1 (en)
JP (1) JP6706639B2 (en)
CN (1) CN108628142B (en)
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EP3376305B1 (en) * 2017-03-17 2020-07-22 Harry Winston SA Winding device with push-button for watch

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CH151727A (en) * 1930-11-14 1931-12-31 Koehler Wilhelm Winding and adjusting devices for clocks.
CH330202A (en) 1956-03-05 1958-05-31 Omega Brandt & Freres Sa Louis Alarm clock
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CH35121A (en) * 1905-11-18 1906-07-15 Freres Pellaton Winding mechanism for watches with two barrels
CH47977A (en) 1909-08-06 1910-09-01 Eugene Favre Louis Winding and time-setting mechanism in two-barrel alarm watches
CH151727A (en) * 1930-11-14 1931-12-31 Koehler Wilhelm Winding and adjusting devices for clocks.
CH330202A (en) 1956-03-05 1958-05-31 Omega Brandt & Freres Sa Louis Alarm clock
EP2701014A1 (en) * 2012-08-21 2014-02-26 Rolex Sa Clutch lever and clutch device for a clockwork mechanism
CH708340A2 (en) * 2013-07-04 2015-01-15 Richemont Int Sa Manual winding mechanism for a timepiece.

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RU2760425C2 (en) 2021-11-24
RU2018109333A (en) 2019-09-16
JP6706639B2 (en) 2020-06-10
JP2018155751A (en) 2018-10-04
CN108628142A (en) 2018-10-09
US10802445B2 (en) 2020-10-13
EP3376309B1 (en) 2022-05-18
RU2018109333A3 (en) 2021-07-23
CN108628142B (en) 2020-06-12
US20180267475A1 (en) 2018-09-20

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