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EP1660952B1 - Date corrector - Google Patents

Date corrector Download PDF

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Publication number
EP1660952B1
EP1660952B1 EP04738130A EP04738130A EP1660952B1 EP 1660952 B1 EP1660952 B1 EP 1660952B1 EP 04738130 A EP04738130 A EP 04738130A EP 04738130 A EP04738130 A EP 04738130A EP 1660952 B1 EP1660952 B1 EP 1660952B1
Authority
EP
European Patent Office
Prior art keywords
disk
wheel
thirty
month
months
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.)
Expired - Lifetime
Application number
EP04738130A
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German (de)
French (fr)
Other versions
EP1660952A1 (en
Inventor
Frédéric Crettex
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.)
Vaucher Manufacture Fleurier SA
Original Assignee
Vaucher Manufacture Fleurier SA
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Application filed by Vaucher Manufacture Fleurier SA filed Critical Vaucher Manufacture Fleurier SA
Priority to EP04738130A priority Critical patent/EP1660952B1/en
Publication of EP1660952A1 publication Critical patent/EP1660952A1/en
Application granted granted Critical
Publication of EP1660952B1 publication Critical patent/EP1660952B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches

Definitions

  • the present invention relates to timepieces with date display. It relates, more particularly, based on the same principle, a manual calendar corrector mechanism for single date and automatic date corrector mechanism for perpetual calendar.
  • the date mechanism makes it possible to signify the date of the month by means of a pointer moving on the dial or of a disc rotating under the dial and revealing its indications through a window.
  • This type of system is well known to those skilled in the art and is described in detail, for example, in the book "Théorie de l'horlogerie” by Reymondin et al, Fédération des ijks Techniques, 1798, ISBN 2-940025- 10-X, pages 189 and following.
  • the date indicator disk or needle
  • the date wheel whose last element is a wheel of thirty-one performing a lap in thirty-one. and-one day advancing 360/31 ° every twenty-four hours, around midnight.
  • a needle display it is mounted integral in rotation on the shaft of this wheel.
  • a disk display it is driven by a finger secured to the wheel thirty-one.
  • a toothed wheel called a cam
  • the cam has depressions whose depth is correlated with the length of the months.
  • the cam has forty-eight or twelve sectors, depending on whether the mechanism takes into account leap years or not.
  • the document US212882 describes a watch equipped with a push button for manually entering information relating to the current month and transmitting this information to a date mechanism thereby performing the correct display of the date at the end of the month.
  • the document FR536251 describes a system for automatically controlling the display of the date which takes into account the current month, programming means correct the date at the end of the month.
  • the present invention has the primary purpose of providing a simple date corrector for simply program the correction of the display of the date any day of a month of less than thirty-one days and return it the last day.
  • the second object of the invention is to provide a perpetual calendar mechanism devoid of the usual cams and latches.
  • the mechanism according to the invention is intended to take place in the movement of a mechanical or electro-mechanical watch with date display.
  • the realization of this function being perfectly known to those skilled in the art and not specifically the subject of the invention, it will not be described in detail.
  • the essential member of the mechanism is a ratchet clutch movable 15 having two coaxial toothed discs, lower 16 and upper 17.
  • the lower disc 16 meshes with the thirty-one wheel and thus turns in the opposite direction of clockwise (hereinafter, SIAM).
  • SIAM clockwise
  • the upper disk 17 is driven into the SAM by a pusher 18 protruding from the middle of the box to form a button 19 accessible to the wearer of the watch. Pressing the button 19 advances the disc 17 one step, that is to say 360/31 °, then a spring 20 ensures the return of the pusher 18 to its initial position.
  • Mobile 15 is provided, according to a construction well known to those skilled in the art, ratchets and a spring placed between the two discs 16 and 17, but not visible in the drawing.
  • the lower disk 16 thus rotates in the SIAM independently of the upper disk 17 which drives the disk 16 only when it rotates in the SIAM, but not when it rotates in the SAM, being content, in this case, to load the spring.
  • a first flip-flop 22, called a small flip-flop, is pivotally mounted about an axis 23 on the upper face of the upper disc 17. It consists of two arms 22a and 22b, typically forming an angle of about 120 ° between them, and respectively directed inwards and outwards of the disc.
  • the outer arm 22b is normally held in abutment against a stop 24 disposed at the periphery of the disc 17 by a spring (not shown), while its end is flush with the edge of the disc. Note, as shown in FIG. 2 shows that the small rocker 22 is at the same level as the finger 14 of the thirty-one wheel 10.
  • the mechanism comprises a second rocker 25, called large rocker, which pivots about an axis 26 riveted to the plate.
  • This rocker is roughly L-shaped.
  • Its small arm 25a is positioned at the level of the upper disk 17 and ends with a lug 27 that a jumper 30 applies against the toothing of the disk to prevent its rotation in the SIAM.
  • the large arm 25b of the large lever 25 is disposed on the upper disc 17 and has a shoulder 28 arranged to receive the thrust of the small arm 22a of the small latch 22.
  • the large arm 25b ends with a boss 29 intended to undergo the action of a safety pin 31 riveted to the upper face of the disk 17, when it rotates in the SAM.
  • the series of numbers 28, 29, 30, 31 is inscribed on a portion of the periphery of an indicator disc 32 fixed on the shaft of the upper disc 17, above it.
  • a window 33 formed in the dial 13 shows, depending on the position of the disc 17, one of the numbers in the series.
  • the thirty-one wheel 10 rotates the lower disk 16 of the clutch mobile 15 in the SIAM, without this having any effect, since the upper disk 17 is held stationary by the pin 27 and by the pressure of the jumper 30 on the small arm 25a of the large flip-flop 25.
  • the indicator disc 32 is then positioned so that the number 31 of the series of the disc 32 appears through the aperture 33.
  • the date display needle 12 normally performs its function and the finger 14 passes over the upper disk 17 without its stroke crossing the small rocker 22.
  • the finger 14 comes into contact with the large arm 22b of the small rocker 22 and pivots it around. its axis 23.
  • the small arm 22a then pushes on the shoulder 28 of the big rocker 25, applying a pressure greater than that exerted by the jumper 30.
  • the large rocker 25 pivots and the lug 27 leaves the contact of the toothing of the upper disc 17.
  • the upper disc 17 jumps three steps in the SIAM, moved by the spring that discharges suddenly. It also drives the lower disc 16 which meshes with the thirty-one wheel 10. This and the date indicator hand 12 thus also jump three steps in the SAM.
  • the hand 12 then indicates the first day of the month on the series written on the dial 13.
  • the number 31 of the series of the indicator disc 32 appears from through the aperture 33.
  • the mechanism operates in the manner just described, but the user respectively applies two or one pressure on the button 19 of the pusher 18 thus advancing the upper disc 17 of two or a step.
  • the security pin 31 is at the base of the boss 29 of the large arm 25b of the large rocker 25.
  • a new pressure on the push 18 rotates the upper disk 17 by an additional step in the SAM and the stud 31 pushes the boss 29 by applying a pressure greater than that exerted by the jumper 30.
  • the large rocker 25 rotates in turn and the pin 27 leaves the contact of the toothing of the upper disk 17, allowing the return of the spring of the mobile 15 to its rest position.
  • a date corrector mechanism is proposed to program the correction to be made on any day of a month of less than thirty-one days, this being restored on the last day of the month, around midnight.
  • the present invention finds a second application in a perpetual calendar mechanism, illustrated in Figure 4, which automatically takes into account the number of days of the different months.
  • the mechanism in Figure 4 is presented in a simplified version that does not include leap years. It has a wheel of 40 months divided into twelve sectors 41, each corresponding to one month of the year. Each of these sectors 41 is either toothless if it is identified at a month of thirty-one days, or provided with a tooth 42 for the months of thirty days, or provided with three teeth 42 for the month of February. These teeth 42 are arranged in a manner that will be explained later.
  • the teeth 42 are engaged with an intermediate mobile 43, meshing itself with the upper disc 17 of the clutch mobile 15.
  • the teeth of these different mobiles have identical steps, so that an advance of a not wheel 40 causes the same advance of the disc 17.
  • a star of the months 44 to twelve branches 45 is mounted coaxially and integral in rotation of the wheel 40 months.
  • Each branch 45 corresponds to one month of the year.
  • the star 44 is positioned by a jumper 46 with two inclined planes, so that, for example, when the tooth 42a of the sector 41 of the month April of the wheel 40 is engaged with the mobile 43, the branch 45a of April is in the path of a finger 47 mounted on the shaft of a second wheel of thirty-one 48.
  • the latter is identical to the first thirty-one wheel 10 and meshes with it.
  • the length of the finger 47 is greater than the radius of the wheel 48.
  • the first thirty-one wheel turns in the SAM and drives in the SIAM, on the one hand, the second thirty-one wheel 48 and, on the other hand, the lower disk 16 of the mobile clutch 15 without other incidence.
  • the finger 47 is arranged to be flush with the branch 45b of the star of the months 44 corresponding to this month, preferably the first day of the month. Then, when, on this first day, around midnight, the thirty-one wheel 10 and thus the wheel 48 and the finger 47 advance one step, the latter pushes the branch 45b and drives the star 44 and the wheel 40 months of a step in the SAM. Already, they are in place for the following month.
  • the rotation of the wheel 40 and the star 44 is in two stages. First, the rotation is slow when the branch 45c resting on the jumper 46 raises it by sliding on its first inclined plane. Then the rotation is fast, when this branch arrives on the second inclined plane. The pressure then exerted by the jumper 46 accelerates the movement of the star.
  • the sector 41 b of the wheel of 40 months corresponding to a month of thirty-one days does not have teeth and therefore does not drive the intermediate wheel 43, although it is located with respect to him during the rotation of the wheel.
  • the upper disk 17 of the clutch mobile 15 does not move either and no movement is transmitted to the thirty-one wheel 10.
  • the indicator disk 32 shows, through the window 33, the number 31 corresponding to the number of days in the month.
  • the finger 47 comes flush with the branch 45a of the star of the month 44 corresponding to this month, also the first day of the month. Then, when, around midnight, the thirty-one wheel 10 and thus the wheel 48 and the finger 47 advance one step, the latter pushes the branch 45a and drives the star 44 and the wheel 40 months in the AM.
  • the teeth 42 of the 40-month wheel and, more particularly, the tooth 42a of the sector 41a corresponding to this month of thirty days, are positioned so as to drive the mobile 43 into the SIAM at the time of the fast phase of the rotation of the star 44.
  • the latter rotates a step in the SAM, the upper disc 17 of the clutch mobile 15, charging its spring but without driving the lower disc 16.
  • the small rocker 22 is now positioned so that its large arm 22b comes into contact with the finger 14 on the thirtieth day of the month, around midnight.
  • the number 30 on the indicator disc 32 appears through the counter 33.
  • the large flip-flop 25 prevents any rotation of the upper disk 17 in the SAM.
  • the finger 14 advances by one step, it comes into contact with the large arm 22b of the small rocker 22 which pivots and pushes the large arm 25b of the large rocker 25.
  • the latter turns in turn and releases the upper disc 17.
  • It then jumps a step in the SIAM, moved by the spring of the clutch mobile 15 which discharges suddenly, and together drives the lower disc 16.
  • the wheel of thirty-eight and a 10 and the date indicator hand 12 also jump, too, one step, in the SAM.
  • the needle 12 indicates the 1st day of the month on the recorded series on dial 13 and the number 31 of the series of the disc 32 appears again through the aperture 33.
  • the mechanism For February to twenty-eight or twenty-nine days, the mechanism operates in the manner just described, but the month wheel 40 rotates the intermediate wheel 43 and thus advance the upper disk 17 by three or two steps.
  • the skilled person will have no difficulty in adding a system, called the Maltese cross, to the wheel of the 40's.
  • the sector corresponding to the month of February presents, once every four years, two teeth causing a jump of two steps from the date indicator needle 12 at the end of the month of twenty-nine days.
  • the month wheel makes it possible to display the current month by means of, for example, an indicator needle mounted on its shaft and pivoting on a small dial.
  • a green zone located on the top disk and occupying a 360 ° / 31 angle can scroll under the dial. It is visible through holes corresponding to the positions occupied by this green zone when the corrections were made for the months of 28, 29, 30 or 31 days.
  • the portions adjacent to the green zone are preferably red to signify that the numbers in the series 28, 29, 30, 31 to which red is assigned do not indicate the number of days in the current month.
  • a needle mounted to rotate on the shaft of the upper disk 17 indicates, on a portion of the dial, the number of days that must comprise the current month, according to the actual state of the corrector.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

The invention relates to a calendar corrector for arrangement in a movement of a watchmaking part provided with calendar display means (12) and a thirty-one wheel (10) which goes round in thirty-one days. Said corrector comprises manual control means (18,19), enabling information relating to the fact that the current month comprises less than thirty-one days, to be introduced and programming means (14,15,16,17, 22, 25) coupled to the thirty-one wheel (10), responding to the information introduced by the control means such that the display means can be corrected automatically at the end of said current month.

Description

La présente invention se rapporte aux pièces d'horlogerie à affichage du quantième. Elle concerne, plus particulièrement, basés sur le même principe, un mécanisme correcteur de quantième manuel pour quantième simple et un mécanisme correcteur de quantième automatique pour quantième perpétuel.The present invention relates to timepieces with date display. It relates, more particularly, based on the same principle, a manual calendar corrector mechanism for single date and automatic date corrector mechanism for perpetual calendar.

Dans une montre, le mécanisme de quantième permet de signifier la date du mois au moyen d'une aiguille se déplaçant sur le cadran ou d'un disque tournant sous le cadran et laissant apparaître ses indications au travers d'un guichet. Ce genre de système est bien connu de l'homme de métier et est décrit en détail, par exemple, dans l'ouvrage "Théorie de l'horlogerie" de Reymondin et al, Fédération des Ecoles Techniques, 1798, ISBN 2-940025-10-X, pages 189 et suivantes.In a watch, the date mechanism makes it possible to signify the date of the month by means of a pointer moving on the dial or of a disc rotating under the dial and revealing its indications through a window. This type of system is well known to those skilled in the art and is described in detail, for example, in the book "Théorie de l'horlogerie" by Reymondin et al, Fédération des Ecoles Techniques, 1798, ISBN 2-940025- 10-X, pages 189 and following.

On rappellera que l'indicateur de quantième, disque ou aiguille, est actionné à partir de la roue des heures, par l'intermédiaire du rouage de quantième dont le dernier élément est une roue de trente-et-un effectuant un tour en trente-et-un jours en avançant d'un pas de 360/31° toutes les vingt-quatre heures, vers minuit. Dans le cas d'un affichage par aiguille, celle-ci est montée solidaire en rotation sur l'arbre de cette roue. Dans le cas d'un affichage par disque, celui-ci est entraîné par un doigt solidaire de la roue de trente-et-un.It will be recalled that the date indicator, disk or needle, is actuated from the hour wheel, by means of the date wheel whose last element is a wheel of thirty-one performing a lap in thirty-one. and-one day advancing 360/31 ° every twenty-four hours, around midnight. In the case of a needle display, it is mounted integral in rotation on the shaft of this wheel. In the case of a disk display, it is driven by a finger secured to the wheel thirty-one.

Pour les mois de moins de trente-et-un jours, il est nécessaire, dans le cas des quantièmes simples, d'effectuer une correction manuelle. Cette opération peut être réalisée soit par rotation de la tige de remontoir dans sa position de mise à la date rapide, soit par actionnement d'un poussoir ajusté librement dans la carrure de la boîte de montre. Bien entendu, l'opération doit être exécutée le dernier jour d'un mois de moins de trente-et-un jours ou le premier jour du mois suivant.For months less than thirty-one days, it is necessary, in the case of simple calendars, to perform a manual correction. This operation can be performed either by rotating the winding stem in its fast setting position, or by actuating a pusher freely adjusted in the middle of the watch case. Of course, the operation must be performed on the last day of a month less than thirty-one days or the first day of the following month.

Afin d'éviter à l'utilisateur d'effectuer de telles mises à jour, divers mécanismes, dits de quantième perpétuel, ont été développés. Ils s'adaptent automatiquement à la longueur des mois, en prévoyant même, parfois, les années bissextiles. Une roue dentée, appelée came, présente des creux dont la profondeur est corrélée avec la longueur des mois. Schématiquement, la came comporte quarante-huit ou douze secteurs, selon que le mécanisme tient compte ou pas des années bissextiles. Un assemblage complexe de plusieurs autres cames et bascules, dont une munie d'un bec coopérant avec la première came, transmet à la roue de trente-et-un l'ordre de sauter de un, deux, ou trois jours, respectivement à la fin d'un mois de trente, vingt-neuf ou vingt-huit jours.To avoid the user to perform such updates, various mechanisms, called perpetual calendar, have been developed. They adapt automatically to the length of the months, even planning, sometimes, the leap years. A toothed wheel, called a cam, has depressions whose depth is correlated with the length of the months. Schematically, the cam has forty-eight or twelve sectors, depending on whether the mechanism takes into account leap years or not. A complex assembly of several other cams and latches, one of which has a spout cooperating with the first cam, transmits to the thirty-one wheel the order to jump one, two, or three days, respectively to the end of a month of thirty, twenty-nine or twenty-eight days.

Le document US212882 décrit une montre équipée d'un bouton-poussoir permettant d'introduire manuellement une information relative au mois courant et transmettant cette information à un mécanisme de quantième effectuant ainsi l'affichage correct du quantième à la fin du mois.The document US212882 describes a watch equipped with a push button for manually entering information relating to the current month and transmitting this information to a date mechanism thereby performing the correct display of the date at the end of the month.

Le document FR536251 décrit un système de commande automatique de l'affichage du quantième qui tient compte du mois en cours, des moyens de programmation corrigent le quantième à la fin du mois.The document FR536251 describes a system for automatically controlling the display of the date which takes into account the current month, programming means correct the date at the end of the month.

US212882 et FR536251 décrivent tous les deux l'utilisation d'un affichage à aiguille avec une roue de 31 jours.US212882 and FR536251 both describe the use of a needle display with a 31-day wheel.

La présente invention a pour premier but de proposer un correcteur de quantième simple permettant de programmer simplement la rectification de l'affichage de la date n'importe quel jour d'un mois de moins de trente-et-un jours et de la restituer le dernier jour.The present invention has the primary purpose of providing a simple date corrector for simply program the correction of the display of the date any day of a month of less than thirty-one days and return it the last day.

De façon plus précise, il s'agit d'un correcteur de quantième simple destiné à prendre place dans un mouvement de pièce d'horlogerie munie de moyens d'affichage du quantième et d'une roue de trente-et-un effectuant un tour en trente-et-un jours. Ce correcteur comporte :

  • des moyens de commande manuelle permettant d'introduire une information relative au fait que le mois en cours comporte moins de trente-et-un jours, et
  • des moyens de programmation comprenant un mobile d'embrayage doté de deux disques dentés coaxiaux, soit un premier disque entraînable en rotation dans un premier sens par la roue de trente-et-un et un deuxième disque entraînable en rotation dans un deuxième sens, opposé au premier, par les moyens de commande, de manière à ce qu'à la fin du mois en cours, les moyens d'affichage soient automatiquement corrigés.
More precisely, it is a simple date corrector intended to take place in a timepiece movement provided with date display means and a wheel of thirty-one performing a lap in thirty-one days. This corrector includes:
  • manual control means making it possible to introduce information relating to the fact that the current month comprises less than thirty-one days, and
  • programming means comprising a clutch mobile having two coaxial toothed discs, ie a first disc rotatable in a first direction by the thirty-one wheel and a second disc drivable in rotation in a second direction, opposite to the first, by the control means, so that at the end of the current month, the display means are automatically corrected.

L'invention a pour deuxième but de fournir un mécanisme de quantième perpétuel dépourvu des habituelles cames et bascules.The second object of the invention is to provide a perpetual calendar mechanism devoid of the usual cams and latches.

Pour atteindre ce deuxième but, le correcteur de quantième perpétuel selon l'invention comporte :

  • des moyens de commande automatique produisant, au cours de chaque mois de moins de trente-et-un jours, une information relative à la correction à effectuer à la fin dudit mois, et
  • des moyens de programmation comprenant un mobile d'embrayage doté de deux disques dentés coaxiaux, soit un premier disque entraînable en rotation dans un premier sens par la roue de trente-et-un et un deuxième disque entraînable en rotation dans un deuxième sens, opposé au premier, par les moyens de commande, de manière à ce qu'à la fin du mois en cours, les moyens d'affichage soient automatiquement corrigés.
To achieve this second goal, the perpetual calendar corrector according to the invention comprises:
  • automatic control means producing, during each month of less than thirty-one days, information relating to the correction to be made at the end of said month, and
  • programming means comprising a clutch mobile having two coaxial toothed discs, ie a first disc rotatable in a first direction by the thirty-one wheel and a second disc drivable in rotation in a second direction, opposite to the first, by the control means, so that at the end of the current month, the display means are automatically corrected.

Dans les deux cas, qu'il s'agisse d'un quantième simple ou d'un quantième perpétuel, les disques sont accouplés entre eux par un ressort et par un système de cliquets agencés de manière à ce que :

  • ■ le premier disque tourne dans le premier sens indépendamment du deuxième,
  • ■ le deuxième disque entraîne le premier lorsqu'il tourne dans le premier sens, et
  • ■ le deuxième disque n'entraîne pas le premier lorsqu'il tourne dans le deuxième sens, se contentant alors de charger ledit ressort.
In both cases, whether it is a single calendar or a perpetual calendar, the discs are coupled together by a spring and by a system of pawls arranged so that:
  • The first disc rotates in the first direction independently of the second,
  • ■ the second disk drives the first when it rotates in the first direction, and
  • ■ the second disc does not drive the first when it rotates in the second direction, then simply load said spring.

En outre, les moyens de programmation comportent :

  • un doigt fixé sur la roue de trente-et-un,
  • une première bascule montée pivotante sur le deuxième disque et actionnable par ledit doigt le dernier jour du mois, et
  • une deuxième bascule montée indépendante du mobile d'embrayage, actionnable par la première bascule lorsque celle-ci est mue par le doigt, immobilisant le deuxième disque et le libérant lorsqu'elle est actionnée de manière à ce que, soumis à l'action dudit ressort, le premier disque progresse rapidement pour rectifier l'affichage du quantième.
In addition, the programming means comprise:
  • a finger fixed on the wheel of thirty-one,
  • a first rocker pivotally mounted on the second disk and operable by said finger on the last day of the month, and
  • a second rocker mounted independently of the clutch mobile, operable by the first rocker when it is moved by the finger, immobilizing the second disk and releasing it when it is actuated so that, subjected to the action of said spring, the first disc progresses quickly to correct the display of the date.

D'autres caractéristiques de l'invention apparaîtront plus clairement à la lecture de la description qui suit, en référence au dessin annexé, dans lequel :

  • les figures 1 et 3 sont des vues de dessus du correcteur simple selon l'invention, respectivement à la fin de mois de 31 et de 28 jours,
  • la figure 2 est une vue en coupe transversale du mécanisme de la figure 1, et
  • la figure 4 est une vue de dessus du mécanisme de quantième perpétuel, à la fin d'un mois de trente jours.
Other features of the invention will emerge more clearly on reading the description which follows, with reference to the appended drawing, in which:
  • FIGS. 1 and 3 are top views of the simple corrector according to the invention, respectively at the end of the month of 31 and 28 days,
  • FIG. 2 is a cross-sectional view of the mechanism of FIG. 1, and
  • Figure 4 is a top view of the perpetual calendar mechanism, at the end of a month of thirty days.

Le mécanisme selon l'invention est destiné à prendre place dans le mouvement d'une montre mécanique ou électro-mécanique à affichage de quantième. La réalisation de cette fonction étant parfaitement connue de l'homme de métier et ne faisant pas précisément l'objet de l'invention, elle ne sera pas décrite en détail.The mechanism according to the invention is intended to take place in the movement of a mechanical or electro-mechanical watch with date display. The realization of this function being perfectly known to those skilled in the art and not specifically the subject of the invention, it will not be described in detail.

On a représenté, sur les figures 1 à 3, une roue de trente-et-un 10 tournant dans le sens des aiguilles d'une montre (ci-après, SAM) à raison d'un tour en trente-et-un jours. Elle porte, fixés sur son arbre 11 :

  • une aiguille 12 indiquant le quantième sur une série de nombres allant de 1 à 31, inscrite sur un cadran 13, et
  • un doigt 14 de longueur supérieure au rayon de la roue 10.
FIGS. 1 to 3 show a thirty-one wheel turning clockwise (hereinafter SAM) at the rate of one revolution in thirty-one days . She carries, fixed on her tree 11:
  • a hand 12 indicating the date on a series of numbers ranging from 1 to 31, inscribed on a dial 13, and
  • a finger 14 of greater length than the radius of the wheel 10.

L'organe essentiel du mécanisme est un mobile d'embrayage à cliquets 15 comportant deux disques dentés coaxiaux, inférieur 16 et supérieur 17. Le disque inférieur 16 engrène avec la roue de trente-et-un 10 et tourne donc dans le sens inverse des aiguilles d'une montre (ci-après, SIAM). Le disque supérieur 17 est entraîné dans le SAM par un poussoir 18 dépassant de la carrure de la boîte pour former un bouton 19 accessible au porteur de la montre. Une pression sur le bouton 19 fait avancer le disque 17 d'un pas, c'est-à-dire de 360/31°, puis un ressort 20 assure le retour du poussoir 18 à sa position initiale.The essential member of the mechanism is a ratchet clutch movable 15 having two coaxial toothed discs, lower 16 and upper 17. The lower disc 16 meshes with the thirty-one wheel and thus turns in the opposite direction of clockwise (hereinafter, SIAM). The upper disk 17 is driven into the SAM by a pusher 18 protruding from the middle of the box to form a button 19 accessible to the wearer of the watch. Pressing the button 19 advances the disc 17 one step, that is to say 360/31 °, then a spring 20 ensures the return of the pusher 18 to its initial position.

Le mobile 15 est doté, selon une construction bien connue de l'homme de métier, de cliquets et d'un ressort placés entre les deux disques 16 et 17, mais non visibles au dessin. Le disque inférieur 16 tourne ainsi dans le SIAM indépendamment du disque supérieur 17 qui entraîne le disque 16 seulement lorsqu'il tourne dans le SIAM, mais pas lorsqu'il tourne dans le SAM, se contentant, dans ce cas, de charger le ressort.Mobile 15 is provided, according to a construction well known to those skilled in the art, ratchets and a spring placed between the two discs 16 and 17, but not visible in the drawing. The lower disk 16 thus rotates in the SIAM independently of the upper disk 17 which drives the disk 16 only when it rotates in the SIAM, but not when it rotates in the SAM, being content, in this case, to load the spring.

Une première bascule 22, appelée petite bascule, est montée pivotante autour d'un axe 23 sur la face supérieure du disque supérieur 17. Elle est constituée de deux bras 22a et 22b, formant typiquement entre eux un angle d'environ 120°, et respectivement dirigés vers l'intérieur et vers l'extérieur du disque. Le bras extérieur 22b est normalement maintenu en appui contre une butée 24 disposée à la périphérie du disque 17 par un ressort (non représenté), tandis que son extrémité affleure le bord du disque. On notera, comme le montre la figure 2, que la petite bascule 22 est au même niveau que le doigt 14 de la roue de trente-et-un 10.A first flip-flop 22, called a small flip-flop, is pivotally mounted about an axis 23 on the upper face of the upper disc 17. It consists of two arms 22a and 22b, typically forming an angle of about 120 ° between them, and respectively directed inwards and outwards of the disc. The outer arm 22b is normally held in abutment against a stop 24 disposed at the periphery of the disc 17 by a spring (not shown), while its end is flush with the edge of the disc. Note, as shown in FIG. 2 shows that the small rocker 22 is at the same level as the finger 14 of the thirty-one wheel 10.

Le mécanisme comprend une deuxième bascule 25, appelée grande bascule, qui pivote autour d'un axe 26 rivé sur la platine. Cette bascule est grossièrement en forme de L. Son petit bras 25a est positionné au niveau du disque supérieur 17 et se termine par un ergot 27 qu'un sautoir 30 applique contre la denture du disque afin d'empêcher sa rotation dans le SIAM. Le grand bras 25b de la grande bascule 25 est disposé sur le disque supérieur 17 et doté d'un épaulement 28 agencé de manière à recevoir la poussée du petit bras 22a de la petite bascule 22. Le grand bras 25b se termine par un bossage 29 destiné à subir l'action d'un plot de sécurité 31 rivé sur la face supérieure du disque 17, lorsque celui-ci pivote dans le SAM.The mechanism comprises a second rocker 25, called large rocker, which pivots about an axis 26 riveted to the plate. This rocker is roughly L-shaped. Its small arm 25a is positioned at the level of the upper disk 17 and ends with a lug 27 that a jumper 30 applies against the toothing of the disk to prevent its rotation in the SIAM. The large arm 25b of the large lever 25 is disposed on the upper disc 17 and has a shoulder 28 arranged to receive the thrust of the small arm 22a of the small latch 22. The large arm 25b ends with a boss 29 intended to undergo the action of a safety pin 31 riveted to the upper face of the disk 17, when it rotates in the SAM.

De manière avantageuse, la série de nombres 28, 29, 30, 31 est inscrite sur une portion de la périphérie d'un disque indicateur 32 fixé sur l'arbre du disque supérieur 17, au-dessus de celui-ci. Un guichet 33 ménagé dans le cadran 13 laisse apparaître, en fonction de la position du disque 17, l'un des nombres de la série. L'utilité de ce système indicateur va apparaître plus clairement à la lecture de la suite du descriptif, expliquant le fonctionnement du mécanisme selon l'invention.Advantageously, the series of numbers 28, 29, 30, 31 is inscribed on a portion of the periphery of an indicator disc 32 fixed on the shaft of the upper disc 17, above it. A window 33 formed in the dial 13 shows, depending on the position of the disc 17, one of the numbers in the series. The utility of this indicator system will appear more clearly on reading the rest of the description, explaining the operation of the mechanism according to the invention.

Au cours d'un mois de trente-et-un jours, il n'est pas besoin de corriger l'affichage du quantième. La roue de trente-et-un 10 fait tourner le disque inférieur 16 du mobile d'embrayage 15 dans le SIAM, sans que cela ne produise d'effet, puisque le disque supérieur 17 est maintenu immobile par l'ergot 27 et par la pression du sautoir 30 sur le petit bras 25a de la grande bascule 25. Le disque indicateur 32 est alors positionné de manière à ce que le nombre 31 de la série du disque 32 apparaisse à travers le guichet 33.During a month of thirty-one days, there is no need to correct the date display. The thirty-one wheel 10 rotates the lower disk 16 of the clutch mobile 15 in the SIAM, without this having any effect, since the upper disk 17 is held stationary by the pin 27 and by the pressure of the jumper 30 on the small arm 25a of the large flip-flop 25. The indicator disc 32 is then positioned so that the number 31 of the series of the disc 32 appears through the aperture 33.

Au cours de la révolution de la roue 10, l'aiguille 12 d'affichage de quantième assure normalement sa fonction et le doigt 14 passe au dessus du disque supérieur 17 sans que sa course croise la petite bascule 22.During the revolution of the wheel 10, the date display needle 12 normally performs its function and the finger 14 passes over the upper disk 17 without its stroke crossing the small rocker 22.

Lors d'un mois de février à vingt-huit jours, il est nécessaire d'apporter une correction de trois pas, de manière à ce que, le vingt-huitième jour du mois, vers minuit, l'aiguille 12 saute les jours 29, 30 et 31 et indique directement le premier jour du mois de mars.During a month of February at twenty-eight days, it is necessary to make a correction of three steps, so that, on the twenty-eighth day of the month, around midnight, the needle 12 jumps the days 29 , 30 and 31 and directly indicates the first day of March.

Pour ce faire, le jour à sa convenance du mois de février, l'utilisateur applique trois pressions successives sur le bouton 19 du poussoir 18, ce qui a pour effet de faire tourner le disque supérieur 17 dans le SAM d'un angle de 3 fois 360/31 °. Le disque inférieur 16 ne tourne pas, mais le ressort du mobile 15 se charge. La grande bascule 25 empêche le retour du disque 17 dans le SIAM sous l'effet du ressort du mobile 15. Bien entendu, comme le montre la figure 3, la petite bascule 22 et le plot de sécurité 31 se sont rapprochés du point d'engrenage de la roue de trente-et-un 10 et du mobile d'embrayage 15. Il est important de noter que le grand bras 22b de la petite bascule 22 est maintenant sur la trajectoire du doigt 14. Plus précisément, elle est positionnée pour le rencontrer au moment où l'aiguille indicatrice de quantième 12 passe du vingt-huitième au vingt-neuvième jour. Le nombre 28 de la série 28, 29, 30, 31 du disque 32 apparaît alors au travers du guichet 33.To do this, the day at its convenience in February, the user applies three successive presses on the button 19 of the pusher 18, which has the effect of rotating the upper disk 17 in the SAM of an angle of 3 times 360/31 °. The lower disk 16 does not rotate, but the spring of the mobile 15 is loaded. The large flip-flop 25 prevents the disc 17 from returning to the SIAM under the effect of the spring of the mobile 15. Of course, as shown in FIG. 3, the small flip-flop 22 and the security pad 31 have come closer to the point of contact. gear wheel of thirty-one 10 and the clutch mobile 15. It is important to note that the large arm 22b of the small rocker 22 is now in the path of the finger 14. More precisely, it is positioned for meet him at the moment when the indicator hand of date 12 passes from the twenty-eighth to the twenty-ninth day. The number 28 of the series 28, 29, 30, 31 of the disc 32 then appears through the aperture 33.

Lorsque, le vingt-huitième jour du mois, vers minuit, la roue de trente-et-un 10 avance d'un pas, le doigt 14 entre en contact avec le grand bras 22b de la petite bascule 22 et la fait pivoter autour de son axe 23. Le petit bras 22a vient alors pousser sur l'épaulement 28 de la grande bascule 25, en appliquant une pression supérieure à celle exercée par le sautoir 30. La grande bascule 25 pivote et l'ergot 27 quitte le contact de la denture du disque supérieur 17.When, on the twenty-eighth day of the month, around midnight, the thirty-one wheel advances by one step, the finger 14 comes into contact with the large arm 22b of the small rocker 22 and pivots it around. its axis 23. The small arm 22a then pushes on the shoulder 28 of the big rocker 25, applying a pressure greater than that exerted by the jumper 30. The large rocker 25 pivots and the lug 27 leaves the contact of the toothing of the upper disc 17.

Ainsi libéré, le disque supérieure 17 saute de trois pas dans le SIAM, mû par le ressort qui se décharge brusquement. Il entraîne conjointement le disque inférieur 16 qui engrène avec la roue de trente-et-un 10. Celle-ci et l'aiguille indicatrice de quantième 12 sautent donc, elles aussi, de trois pas dans le SAM.Thus released, the upper disc 17 jumps three steps in the SIAM, moved by the spring that discharges suddenly. It also drives the lower disc 16 which meshes with the thirty-one wheel 10. This and the date indicator hand 12 thus also jump three steps in the SAM.

L'aiguille 12 indique alors le premier jour du mois sur la série inscrite sur le cadran 13. Le nombre 31 de la série du disque indicateur 32 apparaît de à travers le guichet 33.The hand 12 then indicates the first day of the month on the series written on the dial 13. The number 31 of the series of the indicator disc 32 appears from through the aperture 33.

Pour des mois de vingt-neuf ou trente jours, le mécanisme fonctionne de la manière qui vient d'être décrite, mais l'utilisateur applique respectivement deux ou une pression sur le bouton 19 du poussoir 18 faisant ainsi avancer le disque supérieur 17 de deux ou d'un pas.For months of twenty-nine or thirty days, the mechanism operates in the manner just described, but the user respectively applies two or one pressure on the button 19 of the pusher 18 thus advancing the upper disc 17 of two or a step.

Il n'est pas de situation où il est nécessaire de modifier l'affichage de quantième de quatre jours. Ainsi, si le porteur appuyait quatre fois sur le poussoir 18, l'affichage se décalerait au moment du passage au premier jour du mois. De plus, il pourrait être fâcheux d'appliquer une trop forte contrainte sur le ressort du mobile 15.There is no situation where it is necessary to change the four-day calendar display. Thus, if the carrier pressed four times on the pusher 18, the display would shift at the time of passage to the first day of the month. In addition, it could be unfortunate to apply too much stress on the spring of the mobile 15.

Pour contourner ces problèmes, lorsque trois corrections ont été apportées, comme dans l'exemple présenté ci-dessus, le plot de sécurité 31 se trouve à la base du bossage 29 du grand bras 25b de la grande bascule 25. Une nouvelle pression sur le poussoir 18 fait tourner le disque supérieur 17 d'un pas supplémentaire dans le SAM et le plot 31 pousse le bossage 29 en appliquant une pression supérieure à celle exercée par le sautoir 30. La grande bascule 25 pivote à son tour et l'ergot 27 quitte le contact de la denture du disque supérieur 17, permettant le retour du ressort du mobile 15 à sa position de repos.To circumvent these problems, when three corrections have been made, as in the example presented above, the security pin 31 is at the base of the boss 29 of the large arm 25b of the large rocker 25. A new pressure on the push 18 rotates the upper disk 17 by an additional step in the SAM and the stud 31 pushes the boss 29 by applying a pressure greater than that exerted by the jumper 30. The large rocker 25 rotates in turn and the pin 27 leaves the contact of the toothing of the upper disk 17, allowing the return of the spring of the mobile 15 to its rest position.

Ainsi est proposé un mécanisme correcteur de quantième permettant de programmer la correction à apporter n'importe quel jour d'un mois de moins de trente-et-un jours, celle-ci étant restituée le dernier jour du mois, vers minuit.Thus, a date corrector mechanism is proposed to program the correction to be made on any day of a month of less than thirty-one days, this being restored on the last day of the month, around midnight.

Pour éviter à l'utilisateur d'avoir à effectuer lui-même les corrections, la présente invention trouve une deuxième application dans un mécanisme de quantième perpétuel, illustré sur la figure 4, qui tient automatiquement compte du nombre de jours des différents mois.To avoid the user having to make corrections himself, the present invention finds a second application in a perpetual calendar mechanism, illustrated in Figure 4, which automatically takes into account the number of days of the different months.

On retrouve, dans ce mécanisme :

  • la roue de trente-et-un 10,
  • le mobile d'embrayage à cliquets 15,
  • la petite bascule 22 et sa butée 24,
  • la grande bascule 25 et son sautoir 30, et
  • le disque indicateur 32.
We find, in this mechanism:
  • the wheel of thirty-one 10,
  • the ratchet clutch mobile 15,
  • the small rocker 22 and its stop 24,
  • the big flip-flop 25 and its jumper 30, and
  • the indicator disk 32.

Ces différents éléments sont disposés de la manière décrite précédemment, mais, cette fois, le disque supérieur 17 n'est plus entraîné par un poussoir.These different elements are arranged in the manner described above, but this time, the upper disk 17 is no longer driven by a pusher.

Le mécanisme de la figure 4 est présenté dans une version simplifiée qui ne tient pas compte des années bissextiles. Il comporte une roue des mois 40 divisée en douze secteurs 41, correspondant chacun à un mois de l'année. Chacun des ces secteurs 41 est soit dépourvu de dents s'il est identifié à un mois de trente-et-un jours, soit muni d'une dent 42 pour les mois de trente jours, soit muni de trois dents 42 pour le mois de février. Ces dents 42 sont disposées d'une manière qui sera exposée plus loin.The mechanism in Figure 4 is presented in a simplified version that does not include leap years. It has a wheel of 40 months divided into twelve sectors 41, each corresponding to one month of the year. Each of these sectors 41 is either toothless if it is identified at a month of thirty-one days, or provided with a tooth 42 for the months of thirty days, or provided with three teeth 42 for the month of February. These teeth 42 are arranged in a manner that will be explained later.

Les dents 42 sont en prise avec un mobile intermédiaire 43, engrenant lui-même avec le disque supérieur 17 du mobile d'embrayage 15. Les dentures de ces différents mobiles ont des pas identiques, de manière à ce qu'une avancée d'un pas de la roue 40 entraîne la même avancée du disque 17.The teeth 42 are engaged with an intermediate mobile 43, meshing itself with the upper disc 17 of the clutch mobile 15. The teeth of these different mobiles have identical steps, so that an advance of a not wheel 40 causes the same advance of the disc 17.

Une étoile des mois 44 à douze branches 45 est montée coaxiale et solidaire en rotation de la roue des mois 40. Chaque branche 45 correspond à un mois de l'année. L'étoile 44 est positionnée par un sautoir 46 à deux plans inclinés, de manière à ce que, par exemple, lorsque la dent 42a du secteur 41 a du mois d'avril de la roue 40 est en prise avec le mobile 43, la branche 45a du mois d'avril soit sur la trajectoire d'un doigt 47 monté sur l'arbre d'une deuxième roue de trente-et-un 48. Cette dernière est identique à la première roue de trente-et-un 10 et engrène avec elle. La longueur du doigt 47 est supérieure au rayon de la roue 48.A star of the months 44 to twelve branches 45 is mounted coaxially and integral in rotation of the wheel 40 months. Each branch 45 corresponds to one month of the year. The star 44 is positioned by a jumper 46 with two inclined planes, so that, for example, when the tooth 42a of the sector 41 of the month April of the wheel 40 is engaged with the mobile 43, the branch 45a of April is in the path of a finger 47 mounted on the shaft of a second wheel of thirty-one 48. The latter is identical to the first thirty-one wheel 10 and meshes with it. The length of the finger 47 is greater than the radius of the wheel 48.

En fonctionnement, la première roue de trente-et-un 10 tourne dans le SAM et entraîne dans le SIAM, d'une part, la deuxième roue de trente-et-un 48 et, d'autre part, le disque inférieur 16 du mobile d'embrayage 15 sans autre incidence.In operation, the first thirty-one wheel turns in the SAM and drives in the SIAM, on the one hand, the second thirty-one wheel 48 and, on the other hand, the lower disk 16 of the mobile clutch 15 without other incidence.

Pour un mois de trente-et-un jours, le doigt 47 est disposé de manière à affleurer la branche 45b de l'étoile des mois 44 correspondant à ce mois, de préférence le premier jour du mois. Puis, lorsque, ce premier jour, vers minuit, la roue de trente-et-un 10 et donc la roue 48 et le doigt 47 avancent d'un pas, ce dernier pousse la branche 45b et entraîne l'étoile 44 et la roue des mois 40 d'un pas dans le SAM. D'ores et déjà, ils sont en place pour le mois suivant.For a month of thirty-one days, the finger 47 is arranged to be flush with the branch 45b of the star of the months 44 corresponding to this month, preferably the first day of the month. Then, when, on this first day, around midnight, the thirty-one wheel 10 and thus the wheel 48 and the finger 47 advance one step, the latter pushes the branch 45b and drives the star 44 and the wheel 40 months of a step in the SAM. Already, they are in place for the following month.

La rotation de la roue 40 et de l'étoile 44 se fait en deux temps. D'abord, la rotation est lente lorsque la branche 45c appuyée sur le sautoir 46 le soulève en glissant sur son premier plan incliné. Puis la rotation est rapide, lorsque cette branche arrive sur le deuxième plan incliné. La pression exercée alors par le sautoir 46 accélère le mouvement de l'étoile.The rotation of the wheel 40 and the star 44 is in two stages. First, the rotation is slow when the branch 45c resting on the jumper 46 raises it by sliding on its first inclined plane. Then the rotation is fast, when this branch arrives on the second inclined plane. The pressure then exerted by the jumper 46 accelerates the movement of the star.

Le secteur 41 b de la roue des mois 40 correspondant à un mois de trente-et-un jours ne comporte pas de dents et n'entraîne donc pas le mobile intermédiaire 43, bien qu'il soit situé vis à vis de lui au cours de la rotation de la roue. Le disque supérieur 17 du mobile d'embrayage 15 ne bouge donc pas non plus et aucun mouvement n'est transmis à la roue de trente-et-un 10.The sector 41 b of the wheel of 40 months corresponding to a month of thirty-one days does not have teeth and therefore does not drive the intermediate wheel 43, although it is located with respect to him during the rotation of the wheel. The upper disk 17 of the clutch mobile 15 does not move either and no movement is transmitted to the thirty-one wheel 10.

Comme dans le cas du correcteur manuel présenté ci-dessus, le disque indicateur 32 montre, à travers le guichet 33, le nombre 31 correspondant au nombre de jours que compte le mois.As in the case of the manual corrector presented above, the indicator disk 32 shows, through the window 33, the number 31 corresponding to the number of days in the month.

Pour un mois de trente jours, le doigt 47 vient affleurer la branche 45a de l'étoile des mois 44 correspondant à ce mois, également le premier jour du mois. Puis, lorsque, vers minuit, la roue de trente-et-un 10 et donc la roue 48 et le doigt 47 avancent d'un pas, ce dernier pousse la branche 45a et entraîne l'étoile 44 et la roue des mois 40 dans le SAM.For a month of thirty days, the finger 47 comes flush with the branch 45a of the star of the month 44 corresponding to this month, also the first day of the month. Then, when, around midnight, the thirty-one wheel 10 and thus the wheel 48 and the finger 47 advance one step, the latter pushes the branch 45a and drives the star 44 and the wheel 40 months in the AM.

Les dents 42 de la roue des mois 40 et, plus particulièrement, la dent 42a du secteur 41 a correspondant à ce mois de trente jours, sont positionnées de manière à entraîner le mobile 43 dans le SIAM, au moment de la phase rapide de la rotation de l'étoile 44. Ce dernier, à son tour, fait tourner d'un pas, dans le SAM, le disque supérieur 17 du mobile d'embrayage 15, chargeant son ressort mais sans entraîner le disque inférieur 16. La petite bascule 22 est maintenant positionnée de manière à ce que son grand bras 22b entre en contact du doigt 14 le trentième jour du mois, vers minuit. Le nombre 30 figurant sur le disque indicateur 32 apparaît à travers le guichet 33.The teeth 42 of the 40-month wheel and, more particularly, the tooth 42a of the sector 41a corresponding to this month of thirty days, are positioned so as to drive the mobile 43 into the SIAM at the time of the fast phase of the rotation of the star 44. The latter, in turn, rotates a step in the SAM, the upper disc 17 of the clutch mobile 15, charging its spring but without driving the lower disc 16. The small rocker 22 is now positioned so that its large arm 22b comes into contact with the finger 14 on the thirtieth day of the month, around midnight. The number 30 on the indicator disc 32 appears through the counter 33.

A l'instar de ce qui se passe avec le correcteur manuel présenté ci-dessus, la grande bascule 25 empêche toute rotation du disque supérieur 17 dans le SAM. Le trentième jour du mois, vers minuit, lorsque le doigt 14 avance d'un pas, il entre en contact avec le grand bras 22b de la petite bascule 22 qui pivote et vient pousser le grand bras 25b de la grande bascule 25. Cette dernière tourne à son tour et libère le disque supérieure 17. Il saute alors d'un pas dans le SIAM, mû par le ressort du mobile d'embrayage 15 qui se décharge brusquement, et entraîne conjointement le disque inférieur 16. La roue de trente-et-un 10 et l'aiguille indicatrice de quantième 12 sautent alors, elles aussi, d'un pas, dans le SAM. L'aiguille 12 indique alors le 1er jour du mois sur la série inscrite sur le cadran 13 et le nombre 31 de la série du disque 32 apparaît de nouveau à travers le guichet 33.Like what happens with the manual corrector presented above, the large flip-flop 25 prevents any rotation of the upper disk 17 in the SAM. On the thirtieth day of the month, around midnight, when the finger 14 advances by one step, it comes into contact with the large arm 22b of the small rocker 22 which pivots and pushes the large arm 25b of the large rocker 25. The latter turns in turn and releases the upper disc 17. It then jumps a step in the SIAM, moved by the spring of the clutch mobile 15 which discharges suddenly, and together drives the lower disc 16. The wheel of thirty-eight and a 10 and the date indicator hand 12 also jump, too, one step, in the SAM. The needle 12 then indicates the 1st day of the month on the recorded series on dial 13 and the number 31 of the series of the disc 32 appears again through the aperture 33.

Pour des mois de février à vingt-huit ou vingt-neuf jours, le mécanisme fonctionne de la manière qui vient d'être décrite, mais la roue des mois 40 fait tourner le mobile intermédiaire 43 et donc avancer le disque supérieur 17 de trois ou de deux pas.For February to twenty-eight or twenty-nine days, the mechanism operates in the manner just described, but the month wheel 40 rotates the intermediate wheel 43 and thus advance the upper disk 17 by three or two steps.

Pour que le mécanisme décrit ci-dessus tienne compte des années bissextiles, l'homme de métier n'aura aucune difficulté à ajouter un système, dit de croix de Malte, à la roue des mois 40. Ainsi, le secteur correspondant au mois de février présente, une fois tous les quatre ans, deux dents provoquant un saut de deux pas de l'aiguille 12 indicatrice de quantième à la fin du mois de vingt-neuf jours.For the mechanism described above to take into account leap years, the skilled person will have no difficulty in adding a system, called the Maltese cross, to the wheel of the 40's. Thus, the sector corresponding to the month of February presents, once every four years, two teeth causing a jump of two steps from the date indicator needle 12 at the end of the month of twenty-nine days.

Il est évident que la roue des mois permet d'afficher le mois courant au moyen, par exemple, d'une aiguille indicatrice montée sur son arbre et pivotant sur un petit cadran.It is obvious that the month wheel makes it possible to display the current month by means of, for example, an indicator needle mounted on its shaft and pivoting on a small dial.

La description ci-dessus n'a été donnée qu'à titre d'exemple et ne limite pas la portée de l'invention. Elle peut facilement s'adapter à un mécanisme d'affichage du quantième par disques, ceux-ci étant pilotés par un train de renvoi depuis la roue de trente-et-un 10.The above description has been given by way of example only and does not limit the scope of the invention. It can easily adapt to a date display mechanism discs, they being driven by a gear from the thirty-one wheel 10.

De même, différentes solutions sont utilisables pour afficher le nombre de jours programmés pour le mois. Par exemple, une zone verte disposée sur le disque supérieur et occupant un angle de 360°/31 peut défiler sous le cadran. Elle est visible à travers des trous correspondant aux positions occupées par cette zone verte lorsque les corrections ont été apportées pour les mois de 28, 29, 30 ou 31 jours. Les portions adjacentes à la zone verte sont avantageusement de couleur rouge pour bien signifier que les nombres de la série 28, 29, 30, 31 auxquels le rouge est attribué n'indiquent pas le nombre de jours du mois en cours.Similarly, different solutions can be used to display the number of days programmed for the month. For example, a green zone located on the top disk and occupying a 360 ° / 31 angle can scroll under the dial. It is visible through holes corresponding to the positions occupied by this green zone when the corrections were made for the months of 28, 29, 30 or 31 days. The portions adjacent to the green zone are preferably red to signify that the numbers in the series 28, 29, 30, 31 to which red is assigned do not indicate the number of days in the current month.

Dans une autre solution encore plus simple, une aiguille montée solidaire en rotation sur l'arbre du disque supérieur 17 indique, sur une portion du cadran, le nombre de jours que doit comporter le mois en cours, d'après l'état effectif du correcteur.In another even simpler solution, a needle mounted to rotate on the shaft of the upper disk 17 indicates, on a portion of the dial, the number of days that must comprise the current month, according to the actual state of the corrector.

Claims (10)

  1. A calendar corrector intended to fit in a movement of a timepiece equipped with a thirty-one wheel (10) that makes one revolution in thirty-one days, with calendar-display means (12) that can be driven by said wheel, and with manual control means (18, 19) allowing information relating to the fact that the month in progress comprises fewer than thirty-one days to be input, and
    characterized in that it comprises in addition
    programming means comprising a clutch runner (15) equipped with two coaxial toothed disks, namely a first disk (16) that can be rotationally driven in a first direction by said thirty-one wheel (10) and a second disk (17) that can be rotationally driven in a second direction, the opposite to the first, by said control means, so that, at the end of said month in progress, said display means are automatically corrected.
  2. A calendar corrector intended to fit in a movement of a timepiece equipped with a thirty-one wheel (10) that makes one revolution in thirty-one days, with calendar-display means (12) that can be driven by said wheel, and with automatic control means (40, 41, 42, 43, 44, 45) which, during each month comprising fewer than thirty-one days, produce information relating to the correction that will have to be made at the end of said month, and
    characterized in that it comprises in addition
    programming means comprising a clutch runner (15) equipped with two coaxial toothed disks, namely a first disk (16) that can be rotationally driven in a first direction by said thirty-one wheel (10) and a second disk (17) that can be rotationally driven in a second direction, the opposite to the first, by said control means, so that, at the end of said month in progress, said display means are automatically corrected.
  3. The calendar corrector as claimed in one of claims 1 and 2, characterized in that said disks (16, 17) are coupled together by a spring and by a system of pawls which are arranged in such a way that:
    - the first disk (16) rotates in the first direction independently of the second (17),
    - the second disk (17) drives the first (16) when it rotates in the first direction,
    - the second disk (17) does not drive the first (16) when it rotates in the second direction, at that time merely loading said spring,
    and in that the programming means further comprise:
    - a finger (14) fixed to the thirty-one wheel (10),
    - a first lever (22) pivotably mounted on the second disk (17) and that can be actuated by said finger (14) on the last day of the month, and
    - a second lever (25) mounted independent of the clutch runner (15), that can be actuated by the first lever (22) when the latter is moved by the finger (14), immobilizing the second disk (17) and releasing it when actuated in such a way that, subjected to the action of said spring, the first disk (16) progresses rapidly in order to correct the calendar display.
  4. The calendar corrector as claimed in claim 3, characterized in that the first lever (22) is pivotably mounted on one face of the second disk (17) and comprises two arms (22a, 22b), the first facing toward the inside and the second toward the outside of the disk, the outer arm (22b) being held pressed against a stop (24) positioned at the periphery of the disk (17), while its end lies flush with the edge of the disk.
  5. The calendar corrector as claimed in claim 3, characterized in that the second lever (25) comprises:
    - a first arm (25a) positioned at the second disk (17) and ending in a lug (27) that a jumper (30) presses against the toothset of said disk so as to prevent it from rotating in the first direction, and
    - a second arm (25b) arranged on the second disk (17) and provided with a shoulder (28) designed in such a way as to take the thrust of the inner arm (22a) of said first lever (22) and ending in a boss (29) intended to experience the action of a safety block (31) riveted to one face of the second disk (17) when the latter pivots in the second direction.
  6. The calendar corrector as claimed in one of claims 3, 4 and 5, excluding claim 2, characterized in that said manual control means comprise a push-button (18, 19) accessible to the wearer of the timepiece and arranged in such a way that pressing it causes said second disk (17) to move on by one step.
  7. The calendar corrector as claimed in one of claims 3, 4 and 5, excluding claim 1, characterized in that said automatic control means comprise:
    - a months wheel (40) divided into sectors (41) each corresponding to one month of the year, these sectors (41) being either devoid of teeth if they are identified with a thirty-one-day month or equipped with one, two or three teeth (42) for months comprising thirty, twenty-nine or twenty-eight days, respectively,
    - a months star (44) mounted coaxial to and rotating as one with the months wheel (40), defining branches (45) each one corresponding to one of said sectors (41),
    - an intermediate runner (43) driven by the teeth (42) of said months wheel (40), itself meshing with the second disk (17) of the clutch runner (15), and
    - means for causing said months wheel (40) and said months star (44) to rotate in such a way that, at the start of each month, that one of said sectors (41) that corresponds to the following month lies facing said runner (43) and, if it comprises at least one tooth (42), that it drives said runner (43) as the date moves on to the next month.
  8. The calendar corrector as claimed in claim 7, characterized in that said means for causing said months wheel (40) and said months star (44) to rotate comprise:
    - a second thirty-one wheel (48) identical to the first thirty-one wheel (10) and meshing with it, and
    - a finger (47) mounted on this wheel and intended to collaborate with said months star (44).
  9. The calendar corrector as claimed in one of claims 3 to 8, characterized in that it further comprises an indicator system (32) collaborating with said second disk (17) of the clutch runner in order to display the number of days in the month in progress for which correction is programmed.
  10. The calendar corrector as claimed in one of claims 5 to 8, characterized in that the end of the first arm (25a) of the second lever (25) exhibits a boss (29) and the second disk (17) of the clutch runner is provided with a block (21) intended to push said boss (29) when the disk rotates excessively, so as to cause said lever to pivot and allow said spring to return to its rest position.
EP04738130A 2003-08-12 2004-08-05 Date corrector Expired - Lifetime EP1660952B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04738130A EP1660952B1 (en) 2003-08-12 2004-08-05 Date corrector

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03405589A EP1507179A1 (en) 2003-08-12 2003-08-12 Date corrector
EP04738130A EP1660952B1 (en) 2003-08-12 2004-08-05 Date corrector
PCT/CH2004/000490 WO2005015323A1 (en) 2003-08-12 2004-08-05 Calendar corrector

Publications (2)

Publication Number Publication Date
EP1660952A1 EP1660952A1 (en) 2006-05-31
EP1660952B1 true EP1660952B1 (en) 2007-01-10

Family

ID=33560912

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03405589A Withdrawn EP1507179A1 (en) 2003-08-12 2003-08-12 Date corrector
EP04738130A Expired - Lifetime EP1660952B1 (en) 2003-08-12 2004-08-05 Date corrector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03405589A Withdrawn EP1507179A1 (en) 2003-08-12 2003-08-12 Date corrector

Country Status (8)

Country Link
US (1) US7333397B2 (en)
EP (2) EP1507179A1 (en)
JP (1) JP4787748B2 (en)
KR (1) KR20060086351A (en)
CN (1) CN100589047C (en)
DE (1) DE602004004284T2 (en)
ES (1) ES2280026T3 (en)
WO (1) WO2005015323A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410389B1 (en) 2010-07-21 2013-10-30 Blancpain S.A. Bi-directional date correction mechanism for a date mechanism. Date mechanism. Time piece.
EP2503410B1 (en) * 2011-03-22 2014-05-21 Montres Breguet SA Calendar mechanism comprising a quick month corrector
JP5822695B2 (en) * 2011-12-01 2015-11-24 セイコーインスツル株式会社 Calendar mechanism and watch having the same
CN103644808B (en) * 2013-11-30 2015-12-30 江苏宏丰奥凯机电有限公司 Silicone oil damper scale detection tool
EP2950164A1 (en) * 2014-05-28 2015-12-02 Omega SA System for optional quick correction of time information
CH713659A1 (en) * 2017-03-30 2018-10-15 Richemont Int Sa Clock with digital time display.
EP4016196B1 (en) * 2020-12-21 2024-08-21 Blancpain SA Timepiece display mechanism with multiple jump

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Publication number Priority date Publication date Assignee Title
US212882A (en) * 1879-03-04 Improvement in calendar-watches
FR536251A (en) * 1921-05-20 1922-04-29 Perpetual calendar system applicable to watches, clocks and clocks
US1846962A (en) * 1926-09-16 1932-02-23 Charles J Reitz Clock-controlled calendar
DE626045C (en) * 1934-07-17 1936-02-19 Alois Mendl Perpetual calendar
US3673789A (en) * 1970-06-13 1972-07-04 Citizen Watch Co Ltd Calendar timepiece with month advancement mechanism for 29,30,or 31 day months
JPS515594B1 (en) * 1970-06-22 1976-02-20
JPS5336343B2 (en) * 1972-08-03 1978-10-02
CH624534GA3 (en) * 1979-04-04 1981-08-14
US4291397A (en) * 1979-10-15 1981-09-22 Timex Corporation Manual date advance mechanism for a watch
DE3046569A1 (en) * 1980-12-11 1982-07-15 Timex Corp., 06720 Waterbury, Conn. DATE SWITCHING DEVICE FOR AN ANALOG CLOCK
CN2131125Y (en) * 1992-07-25 1993-04-28 黄清权 Multifunctional full-automatic calendar apparatus
JP3081992B2 (en) * 1996-10-02 2000-08-28 セイコーインスツルメンツ株式会社 Wristwatch with calendar
CN2391224Y (en) * 1999-09-30 2000-08-09 邓擎义 Calendar caliber for ultrathin quartz clock
EP1158374B1 (en) * 2000-05-25 2008-09-24 Vaucher Manufacture Fleurier SA Calendar display mechanism
CN2517000Y (en) * 2001-12-13 2002-10-16 金明弟 Tall case clock with lunar and solar calendar regulating device

Also Published As

Publication number Publication date
CN1856750A (en) 2006-11-01
JP2007501933A (en) 2007-02-01
HK1087794A1 (en) 2006-10-20
US20070195649A1 (en) 2007-08-23
EP1507179A1 (en) 2005-02-16
CN100589047C (en) 2010-02-10
DE602004004284D1 (en) 2007-02-22
JP4787748B2 (en) 2011-10-05
EP1660952A1 (en) 2006-05-31
KR20060086351A (en) 2006-07-31
WO2005015323A1 (en) 2005-02-17
DE602004004284T2 (en) 2007-11-15
US7333397B2 (en) 2008-02-19
ES2280026T3 (en) 2007-09-01

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