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EP1624996B1 - Pince pouvant etre actionnee d'une seule main - Google Patents

Pince pouvant etre actionnee d'une seule main Download PDF

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Publication number
EP1624996B1
EP1624996B1 EP04739304A EP04739304A EP1624996B1 EP 1624996 B1 EP1624996 B1 EP 1624996B1 EP 04739304 A EP04739304 A EP 04739304A EP 04739304 A EP04739304 A EP 04739304A EP 1624996 B1 EP1624996 B1 EP 1624996B1
Authority
EP
European Patent Office
Prior art keywords
link
plier
pliers
spring
pliers according
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
EP04739304A
Other languages
German (de)
English (en)
Other versions
EP1624996A2 (fr
Inventor
Ralf Putsch
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.)
Knipex Werk C Gustav Putsch KG
Original Assignee
Knipex Werk C Gustav Putsch KG
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
Priority claimed from DE10343412A external-priority patent/DE10343412A1/de
Application filed by Knipex Werk C Gustav Putsch KG filed Critical Knipex Werk C Gustav Putsch KG
Publication of EP1624996A2 publication Critical patent/EP1624996A2/fr
Application granted granted Critical
Publication of EP1624996B1 publication Critical patent/EP1624996B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06—Joints
    • B25B7/10—Joints with adjustable fulcrum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/14—Locking means

Definitions

  • the invention relates to a one-hand operated pliers according to the preamble of claim 1.
  • Einhandbetätigbare pliers of this kind is by the WO 00/13856 known.
  • the pen is there, FIG. 20 , designed as a torsion leg spring and the toggle-like interconnected arms, mounted on the knee joint pin, assigned.
  • the accommodation space is formed by the U-space of the U-folded handlebar of the control.
  • the object of the invention is to provide an advantageous with respect to the control pliers.
  • This task is with a one-hand-operated
  • the spring is a length-adjustable according to the longitudinal direction of a link pressure spring and acts in the axial effective direction eccentric to the knee joint on the other link.
  • a well-handled pliers is achieved
  • the energy storage of the spring drive is a built-in toggle spring. Which comes to anyway existing components ie the knee lever. The assignment is made taking into account the largest possible length of the spring pressure; it is variable in length in the longitudinal direction of the handlebar. With internal accommodation, there is good, leading support.
  • the compression spring and the handlebars of the toggle lever are aligned with each other so that an eccentric effective direction is achieved in relation to the toggle lever, taking into account the operation-typical switching of spring drive and control effect in the buckling toggle contour.
  • Preference is given to a helical compression spring. One is enough. If a higher force is required, two screw compression springs can be inserted into each other associated with a handlebar. This is interesting, for example, when the toggle lever is to be assigned to be particularly close to the crossing region, in which case smaller lengths are available for the handlebars.
  • instead of the typical circular Federwindungsqueritese also flattened cross sections are used, eg elliptical, wherein the longer ellipse axis is perpendicular to the effective direction of the compression spring.
  • the compression spring is housed inside a first link.
  • a handlebar accordingly takes spring chamber function. It practically forms the housing of a force accumulator.
  • the compression spring can be realized directly under appropriate shaping as cooperating with the second link pressure piece;
  • an embodiment is preferred in that the compression spring acts on a second link by means of a separate pressure piece. It is ensured that the pressure piece with respect to the eccentric action, the introduction of force in the other arm outside the toggle lever. The remote from the knee joint pin body of force is located on the Zusarrunenfaltseite, so the molar side of the knee joint. Coming back to the assignment of the pressure piece is further suggested that the pressure piece has an inserted into the cavity of the compression spring neck.
  • the stage may be such that a defined angular position of the handlebars results from each other, maintained or caused by the action of the preferred preloaded compression spring.
  • the step in the region of the support there is designed so that slipping out of the pressure piece upwards, ie the mouth side, is prevented.
  • the first link is supported on the one hand on the movable pliers limb and on the other hand on the second link.
  • first link is longer than the second.
  • the spring chamber can be correspondingly long for the compression spring.
  • an advantageous feature of the invention is that a longitudinal axis of the compression spring is not aligned with the straight connecting line between the two articulation points of the first link. This results in a self-contained force system of the control and also proves structurally advantageous, especially space-saving.
  • a closed position of the pliers in the unused state, can be secured by a locking part which can be pivoted into a movement path of the first link. In this way, a part of the knee joint receives a useful additional function, namely the formation of a fuse.
  • This fuse is optimized in that the associated engagement surfaces of the locking part and the link extend in a plane which forms a secant with respect to a circle of the point remote from the pivot axis of the blocking part. This results in a self-locking superelevation.
  • the pliers legs need only be easily approached each other. Then the locking part can be released by hand, release by gravity or bring it out of the way while exerting centrifugal force.
  • the engagement bolt can be inserted into the pliers legs in a mounting position, which is characterized by spreading the pliers legs on the tethered open position addition and that the engaging pin is held in the bounded open position positively by the pliers legs.
  • the corresponding positive fit assembly secures from existing components; it does not require riveting or screwing the engaging bolt.
  • Control device for disassembly is also the illustrated toggle as the ultimate overshoot barrier. In other words, the plug-in mounting of the engaging bolt is done in a maximum spread of the pliers legs, which is outside the bound by the control, operating spread position.
  • the procedure is such that the engagement bolt is pivotally supported in the enforcing tong limb, due to the width of the longitudinal slot of the enforcing pliers limb limited pivoting, and that the hinge pin has a locking portion, which only with alignment of an outlet opening of the enforced pliers limb an associated recess of the enforcing pliers leg allows removal of the engagement bolt.
  • the corresponding alignment is also required during assembly, with respect to the desired bondage the total angular slot-like recess is consulted.
  • the hand-operated pliers 1 has two mutually juxtaposed pliers legs 2, 3. The latter are pivotally connected to each other in the crossing region via a hinge pin placing an engagement bolt 4.
  • a forceps jaw M This is formed by a forceps jaw 5 of the forceps leg 2 and a forceps jaw 6 of the forceps leg 3.
  • the engagement bolt 4 passes through a longitudinal slot 9 of the forceps leg 2.
  • the engagement bolt 4 is embedded in the forceps limb 3 penetrated by the forceps limb 2.
  • the engagement bolt 4 carries a pawl 10.
  • The cooperates with tooth gaps 11 of a forceps jaw side lying tooth profiling of the enforcing forceps leg 2 together.
  • FIG. 2 shows the in FIG. 1 present release position
  • FIG. 6 the in FIG. 5 illustrated Einklink ein the locking teeth 10/11. This is realized in a sawtooth structure, blocking acting in the gripping state.
  • the corresponding through-connection has a suitable free space F. This is located on the interspersed leg.
  • the pliers 1 is held by a spring drive 12 in mouth-open basic position (see. FIG. 1 ). To do this, the spring drive 12 accommodated in the intermediate space of the forceps arms 2, 3 acts as a pliers leg splitting. The end position is defined by the stop of the engagement bolt 4 or its pawl 10 at the lower end of the slot-like longitudinal slot 9.
  • the spring of the spring drive 12 is denoted by 14. It is a compression spring, a so-called helical compression spring, linearly wound with a cylindrical helical aisle "lateral surface”.
  • the spring drive 12 has bias.
  • the open position ( FIG. 1 ) effectively but overstretchably biased;
  • the pliers jaw 6 of the displaceable and pivotally mounted pliers leg 3 moves in the direction of the pliers jaw 5 of the fixed, penetrating, pliers limb 2.
  • the pliers leg 2 is closed FIG. 3 seen.
  • the open position according to FIG. 1 Accordingly, after relieving the gripping portions 7, 8 of the pliers legs 2.3 completely automatically by the described spring load.
  • the control 13 protrudes, supported by the enforcing pliers leg 2, from the gusset side freestanding. It forms a kind of cantilever, wherein in a first movement section of the spring drive 12, the forceps jaws 5,6 on each other and in a second movement section, an engagement of the pawl 10 of the engaging bolt 4 takes place in the tooth spaces 11. After this is a force twist of the movable, so passing through forceps leg 3 and its forceps jaw 6, going to the engagement bolt 4, feasible, Here are superimposed movements of a multi-membered joint instead.
  • the control element 13 further consists of two toggle lever-like interconnected arms 15,16.
  • One of these links 15,16, here the link 15, the spring 14 realized as a compression spring is assigned.
  • the prestressed spring 14 is supported on the links 15, 16.
  • the obtuse knee lever or the knee joint K goes out of the FIGS. 1 and 7 out.
  • About the corresponding biased extended position in terms of a maximum toggle opening both the extension of the movable pliers leg 3 of the teeth 11 and the method of the movable pliers leg 3 is caused by the created spring drive 12 in the largest mouth opening position.
  • the longer link 15 engages the end via a pivot pin 17 on the movable, so interspersed pincers 3.
  • the other link 16 is connected via a pivot pin 18 with the enforcing tong limb 2 in connection.
  • the pivot pins 17,18 are spaced differently from each other to the crossing region of the forceps arms 2,3, the engagement bolt 4 so.
  • the pivot pin 17 of the link 15 is closer to said reference point (see. Fig. 1 ) and in the position according to FIG. 3 even closer.
  • the links 15,16 are realized as substantially linear components and of different lengths.
  • the first, namely 15 designated handlebar is longer than the second.
  • the ratio is 3: 1.
  • the spring 14 respectively compression spring is housed inside the first, so longer arm 15.
  • the corresponding spring chamber bears the reference numeral 19. It is a substantially concentric with the jacket wall of a tubular portion having a handlebar bore 15 executed. The clear dimension of the same takes into account a sufficient axial mobility of the spring body in the spring chamber 19.
  • the spring chamber 19 could also, eccentrically located, be designed more in the direction of the forceps jaw M.
  • the blind bore designed spring chamber 19 provides at the bottom of the hole a support 20 for the local end turn of the helical compression spring. Unlike shown, the spring chamber 19 may be formed closed in the region of the support 20.
  • the support in the opposite direction, facing the shorter arm 16, is indirectly, via a separately designed pressure piece 21 going.
  • This support is designated 22 (see. FIG. 7 ).
  • the joint of the two toggle lever interconnected arms 15, 16 facing Endwindung de compression spring 14 may be formed to such a pressure piece 21.
  • Said joint between the two links 15,16 is realized by a space parallel to the pivot pin 17,18 retracted knee pivot pin 23.
  • the pressure piece 21 can be plugged into the spring body safely. It has a directed against the spring 14 neck 24th on. The is plugged into the cavity of the compression spring. For example, be on FIG. 7 directed. At the neck 24 includes symmetrically executed, facing away from the spring a widened shoulder 25 at. On this rests supported the knee joint pin 23 closer to the terminal turn of the spring 14 between the neck 24 and shoulder 25, the body of the pressure piece 21 is angled dull (see. FIGS. 7 and 8th ). Such a pressure piece 21 can both consist of plastic as well as casting, possibly forging, be realized.
  • the step 28 is recognizable by an upper, the pliers mouth M facing flank 29 limited.
  • the latter cooperates with a stationary rotation stop 30, provided, for example, by a gusset-sided corner edge or another wall section of a storage shaft 31 of the pliers limb 2 (cf. figure 7 ).
  • the knee lever K is supported on it. It may, for example, be retracted as a stop a pin.
  • the realized in the form of a groove support 22 is designed basically circular. She opens the pliers mouth M facing sector-shaped. The sector includes an angle of slightly more than 90 °. The over the circular Kehlenwandung beyond material of the handlebar 16 forms the already discussed stage 28. The runs vertically and is overhanging that even when falling of the tool, the pressure piece 21 does not fall out of its mere anchorage.
  • the apex of the sector coincides with the radius point of the circular throat respectively support 22 together.
  • the level 28 horizontally delimiting lower edge provides a kind of parapet 32. This takes into account the space requirement of the pressure piece 21. On it, the lumpy sheet 27 can rest.
  • the parapet 32 lifts away from the kehlenabgewandt increasingly from the stalk-like portion 26 of the said part.
  • the described contour of the toggle lever K causes the spring 14, which is variable in length in the longitudinal direction of a link 15, the compression spring, to act on the other link 16 eccentrically to the toggle lever K in the axial effective direction.
  • the knee lever K closes in this spring-loaded basic position ( Fig. 7 ) open an obtuse angle of about 150 ° opening on the mouth side.
  • Fig. 8 shows the case of force actuation, so under detection of an object 33 entering Kniehebeleinknickung. According to position in FIG. 8 this goes against about 110 °.
  • the eye 34 may be formed quite flat, to put it in the correspondingly flat-shaped storage slot or slot 35 of the forceps leg 3 to accommodate.
  • the largest possible length is used for the spring chamber 19.
  • the spring 14 or the surrounding housing of the handlebar 15 can be formed significantly larger cross section than the thickness of the flattened eye 34 is.
  • the spring drive 12 is responsible for biasing the forceps jaw M in an open position.
  • the control element 13 controls the movement sections such that in a first movement section, the forceps jaws 5, 6 approach each other and in a second movement section an attack of the pawl 10 of the engaging bolt 4 in the tooth spaces 11, after which the force rotation of the movable forceps jaw 6 to the Engagement bolt 4 going feasible.
  • FIGS. 13 to 16 illustrated variants of the knee lever K which do not fall under the subject invention, correspond in their basic structure of the solution according to the basic version (see, eg FIG. 7 ).
  • the reference numbers are applied analogously, in part without textual repetitions. It is maintained that the pressure piece 21 with respect to the eccentric action, the introduction of force in the other arm 16 outside the toggle lever K, ie the knee joint pin 23 sets.
  • the spring 14 designed as a variable-length compression spring acts according to the longitudinal direction of the arm 15 receiving it.
  • the spring 14 is compressed via the pressure piece 21 by the eccentrically shaped end 36. It's up FIG. 14 directed.
  • the distance of the eccentric cam to the pin 23 increases in the folding direction of the handlebar increasingly.
  • a release of the pliers legs 2, 3 leads to the basic position of the pliers 1. This on the tax-curve-like silhouette of the end 36.
  • the slings are in principle the same, it does not require the pressure piece 21 securing agent here. The latter is rather captive caught between the end 36 and the spring 14.
  • the pressure piece 21 is provided by a steering member. This is pivotally mounted on a lateral pivot pin 37. Its club-shaped thickened end 36 is under the load of the spring 14, which holds the pressure piece 21 at the eccentric runner or curve of the local end 36 of the arm 16 from. Again, the eccentricity acts in the sense described.
  • FIG. 17 To set the spring force higher is according to FIG. 17 a double occupation shown or practiced.
  • the local, realized as a helical compression springs springs are denoted by 14 and 14 ', the latter being inserted into the winding interior of the designated 14.
  • the spring 14 is designed as a flat spring in the sense of the cross section, an elliptical cross section being the basis.
  • the longer ellipse axis is perpendicular to the longitudinal axis xx.
  • the small or shorter axis corresponds to about half of the major axis.
  • a blocking part 38 is installed. This is double-arm and rotatably received in a gap 39 of the enforced pliers arm 3.
  • the locking member 38 is pivotally mounted on a gap 39 crossing the axle journal 40.
  • the geometric axis of the axle journal 40 extends parallel to the space relative to the relevant geometric axis of the pivot pin 17, which supports the handlebar end of the first link 15.
  • the double-arm shaped locking member 38 has an actuation-accessible, preferably back-roughened arm and a cooperating with the first arm 15 locking arm.
  • the latter can be pivoted into a movement path 41 of the first link 15.
  • the radius point of this movement path 41 is the knee joint pin 23, the radius point of the locking part 38 of the pivot pin 17th
  • the mutually associated engagement surfaces 42, 43 of the locking member 38 and the first arm 15 thereby extend in the closed position in a plane EE, which forms a secant with respect to a circle of the pivot axis of the locking member 38 remote point 44.
  • the Auskeilende, the pivot axis of the locking member 38 closer point 45 is located at the intersection of path of movement 41 and level EE (see. Fig. 28a ). The other point of intersection is close to the outside of the forceps leg 3.
  • the pliers 1 is closed and the locking member 38 is pivoted counterclockwise in the locking position. This can not be exceeded by virtue of a hump-shaped abutment near the pivot pin 17 formed by the periphery of the eye 34, starting at the point 44.
  • the release position of the locking member 38 is indicated in dash-dotted line style. It is recognizable ergonomically favorable at the pliers head end of the handle portion. 8
  • the disclosed securing means applies in principle also with respect to in the FIGS. 30 and 31 illustrated variant, according to which the locking member 38 is not mounted above the eye 34, but below the eye 34.
  • the explained suit in the sense of intentionally defied self-assurance attacks.
  • the Doppelarmmaschine the locking member 38 is given here functionally, d. H. in the sense of an actuation section and a barrier section located away from it.
  • Essential is the proximity of the locking member 38 to the handle portion. It is arranged so that it can be comfortably reached by the thumb of the hand holding the pliers.
  • the Figures 21-27 illustrate a Verachsungscindddling that make classical elements such as screws, rivets, etc. for the engagement bolt 4 dispensable. This is achieved in the crossing region of the pliers legs 2, 3, characterized in that the engaging bolt 4 is inserted into the pliers legs 2, 3 in a mounting position, which pliers legs 2, 3 is characterized by spreading the same about the tethered open position and that the engaging pin 4 in the bounded opening position is positively held by the forceps arms 2, 3.
  • the spreading lock forming control 13 is posted.
  • the Verachsung happens, so to speak, over an angular slit going.
  • The is traversed by a blocking portion 46.
  • the locking portion 46 is a finger integrally formed with the engaging bolt 4. It's up FIG. 25 directed.
  • the locking portion 46 is aligned with an outlet opening 47, which acts accordingly when assigned as an inlet opening.
  • the outlet opening 47 is located on the enforced pliers legs 3. With the said outlet opening 47 is aligned axially oriented a recess 48 of the enforcing pliers limb 2. The latter is recognizable by greater width than the passage for the radial finger wede outlet opening 47. From this concludes that the lock section 46 only when the outlet opening is aligned 47 of the enforced pliers leg 3 with the associated recess 48 of the enforcing pliers leg 2 allows the removal of the engaging bolt 4 and vice versa the assignment.
  • the mobility required for the locking of the engaging bolt 4 is also given in this variant of the pliers 1 by the engagement bolt 4 is pivotally supported in the enforcing pliers legs 2, due to the game-forming width of the longitudinal slot 9 of the enforcing pliers leg 2.
  • the recess 48 is axially limited, through the through-connection of the pliers legs 2, 3 spatially delimiting, parallel wall surfaces 49 of the enforced pliers limb 3. Said wall surfaces 49 take a light distance to each other, the substantially or at most the axial length of the locking portion 46th equivalent.
  • the recess 48 is a niche of the multiple width of the locking portion 46 projecting beyond the local end of the longitudinal slot 9.
  • the engagement bolt 4 is three graded in the axial direction, the different diameters arise FIG. 25 , The steps take in the direction of entry, in FIG. 25 going up, down. In the region of the middle stage is the radially projecting aligned locking portion 46. Below is the bolt portion 4 'largest diameter. At the other, upper end, there is a bolt portion 4 "of the smallest diameter, which projects into a suitable bearing bore 50 of an upper wall portion 51 of the enforced pliers limb 3. In contrast, the larger cross-section bolt portion 4" sits coaxially in one corresponding bearing bore 52 of a lower wall portion 53 of the enforced pliers leg third

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Catching Or Destruction (AREA)
  • Scissors And Nippers (AREA)

Claims (15)

  1. Pince qu'on tient dans une main (1) avec deux branches de pince (2,3) qui s'approchent l'une de l'autre quand on les actionne de l'extérieur autour d'un boulon de contact (4), les branches de pince (2,3) passant en outre l'une au-dessus de l'autre à une zone de croisement, dans laquelle sont formées, sur un côté de la zone de croisement des branches de pince (2,3), une mâchoire de pince (M) et sur le côté opposé en dessous de la zone de croisement sur les branches de pince (2,3), des parties de prise (7,8), les branches de pince (2,3) étant encore reliées par un organe de commande (13) et par un mouvement de ressort (12), lequel précontraint la mâchoire de pince (M) dans une position d'ouverture, laquelle position d'ouverture se produit automatiquement par ressort après décharge des sections de prise (7,8), de plus dans une première partie de mouvement du mouvement de ressort (12), les mâchoires du bec de pince (5, 6) vont l'une vers l'autre et dans une deuxième partie de mouvement se produit la prise d'un doigt (10) du boulon de contact (4) dans une denture à encoches (10,11), après quoi il est possible d'effectuer une rotation appliquée de l'extérieur de la mâchoire mobile du bec de pince (6) autour du boulon de contact (4), l'organe de commande (13) étant composé de deux bras (15,16) raccordés l'un à l'autre, au moyen d'une genouillère, à la manière d'un levier à genouillère et, accompagnant chaque fois un bras, un ressort (14) étant agencé, lequel précontraint, en s'appuyant (20,22) sur les bras (15,16), les bras (15,16) dans une position étirée et de ce fait, actionne le cas échéant la sortie de la branche mobile de pince (3) hors de la denture (11), comme il le fait aussi chaque fois pour le démarrage de l'action de la branche mobile de pince (3) au moyen du mouvement de ressort (12) mis de la sorte en action, dans la plus grande position d'ouverture des mâchoires,
    caractérisée en ce que le ressort (14) est, conformément à la direction longitudinale du premier bras (15), un ressort de pression modifiable en longueur et qui agit en direction axiale de manoeuvre, excentriquement à la genouillère (K), sur l'autre bras (16).
  2. Pince selon la revendication 1, caractérisée en ce que le ressort de pression est logé à l'intérieur d'un premier bras (15).
  3. Pince selon l'une des revendications précédentes, caractérisée en ce que le ressort de pression agit sur l'autre bras (16) par le biais d'une pièce spéciale de pression (21).
  4. Pince selon la revendication 3, caractérisée en ce que la pièce de pression (21), en tenant compte de l'action excentrique, pose la force appliquée dans l'autre bras (16) à l'extérieur de la genouillère (K).
  5. Pince selon l'une des revendications 3 ou 4, caractérisée en ce que la pièce de pression (21) présente un cou (24) inséré dans le ressort de pression.
  6. Pince selon la revendication 5, caractérisée en ce que le cou (24) s'étend dans le ressort de pression au gré du déport.
  7. Pince selon l'une des revendications 3 à 6, caractérisée en ce que la pièce de pression (21) sur le deuxième bras (16) est fixée, par rapport à l'appui local (22), par un recouvrement par complémentarité de forme.
  8. Pince selon la revendication 7, caractérisée en ce que la pièce de pression (21), par rapport à l'appui (22), est assise fixe sur un plot (28).
  9. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que le premier bras (15) est maintenu d'un côté sur la branche mobile de pince (3) et de l'autre côté sur le deuxième bras (16).
  10. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que le premier bras (15) est plus long que le deuxième.
  11. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un axe longitudinal (x-x) du ressort de pression n'évolue pas avec la ligne droite de raccordement (y-y) entre les deux points d'articulation (17,23) du premier bras (15).
  12. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une position fermée de la pince (1), à l'état non utilisé, peut être sécurisée par une pièce de blocage (38) qui se déplace dans une trajectoire de mouvement (41) du premier bras (15).
  13. Pince selon la revendication 12, caractérisée en ce que les surfaces de prise (42,43) dépendantes de la pièce de blocage (38) et du premier bras (15) évoluent sur un niveau (E-E) qui forme, par rapport à un cercle du point éloigné (44) de l'axe de déport de la pièce de blocage (38), une sécante.
  14. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que le boulon de contact (4) peut être inséré dans les branches de pince (2,3) dans une position de montage, laquelle est caractérisée par l'extension des branches de pince (2,3) par delà la position d'ouverture bloquée et en ce que le boulon de contact (4) est maintenu dans la position d'ouverture bloquée par complémentarité de forme par les branches de pince (2,3).
  15. Pince selon la revendication 14, caractérisée en ce que le boulon de contact (4) est maintenu apte au déport dans la branche de pince (2) traversante et, en raison de la largeur de la fente longitudinale (9) de la branche de pince (2) traversante, son déport est limité, et en ce que le boulon de contact (44) présente une partie de blocage (46) qui ne permet le retrait du boulon de contact (4) qu'en cas d'alignement d'une ouverture de sortie (47) de la branche de pince (3) traversée avec un évidement associé (48) de la branche de pince (2) traversante.
EP04739304A 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main Expired - Lifetime EP1624996B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10323083 2003-05-22
DE10343412A DE10343412A1 (de) 2003-05-22 2003-09-19 Einhandbetätigbare Zange
PCT/EP2004/005537 WO2004103646A2 (fr) 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main

Publications (2)

Publication Number Publication Date
EP1624996A2 EP1624996A2 (fr) 2006-02-15
EP1624996B1 true EP1624996B1 (fr) 2010-06-23

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EP04739304A Expired - Lifetime EP1624996B1 (fr) 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main

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Country Link
US (1) US7503243B2 (fr)
EP (1) EP1624996B1 (fr)
JP (1) JP4490972B2 (fr)
RU (1) RU2347672C2 (fr)
WO (1) WO2004103646A2 (fr)

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US20070169592A1 (en) 2007-07-26
WO2004103646A3 (fr) 2005-05-12
US7503243B2 (en) 2009-03-17
JP2007500085A (ja) 2007-01-11
RU2347672C2 (ru) 2009-02-27
EP1624996A2 (fr) 2006-02-15
JP4490972B2 (ja) 2010-06-30
RU2005140095A (ru) 2006-06-27
WO2004103646A2 (fr) 2004-12-02

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