EP4246247B1 - Betätigungsmechanismus für uhr - Google Patents

Betätigungsmechanismus für uhr

Info

Publication number
EP4246247B1
EP4246247B1 EP22161897.8A EP22161897A EP4246247B1 EP 4246247 B1 EP4246247 B1 EP 4246247B1 EP 22161897 A EP22161897 A EP 22161897A EP 4246247 B1 EP4246247 B1 EP 4246247B1
Authority
EP
European Patent Office
Prior art keywords
mobile
lever
actuated
actuating mechanism
pivots
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.)
Active
Application number
EP22161897.8A
Other languages
English (en)
French (fr)
Other versions
EP4246247A1 (de
Inventor
Dimitri GLAUS
Julien Giacobino
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP22161897.8A priority Critical patent/EP4246247B1/de
Publication of EP4246247A1 publication Critical patent/EP4246247A1/de
Application granted granted Critical
Publication of EP4246247B1 publication Critical patent/EP4246247B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00Mechanical devices for setting the time indicating means
    • G04B27/001Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B11/00Click devices; Stop clicks; Clutches
    • G04B11/02Devices allowing the motion of a rotatable part in only one direction
    • G04B11/04Pawl constructions therefor, e.g. pawl secured to an oscillating member actuating a ratchet
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00Indicating the time by visual means
    • G04B19/24Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247Clocks 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
    • G04B19/253Driving or releasing mechanisms
    • G04B19/25333Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00Mechanical devices for setting the time indicating means
    • G04B27/005Mechanical devices for setting the time indicating means stepwise or on determined values

Definitions

  • the present invention relates to an actuating mechanism for a timepiece comprising in particular a pivotally mounted lever and arranged to actuate a mobile, in particular a star, when the lever pivots in a first direction while the lever does not actuate said star when it pivots in the other direction.
  • the present invention relates in particular to a corrector or correction mechanism, namely an actuating mechanism designed to be controlled by a user to correct an indication displayed by the timepiece.
  • a corrector or correction mechanism is an actuating mechanism comprising a small button which is most often embedded in the case of a timepiece, and which is arranged to cooperate with a mobile, generally a star, to correct one of the indications displayed by the timepiece.
  • the user of the watch or a watchmaker can operate the corrector either with the finger or with a special tool called a "push button".
  • the corrector is in the form of a lever pivotally mounted around an axis, connected to a button which can be actuated from outside the timepiece for its pivoting and subjected to the action of a return spring to return the lever to its rest position.
  • the lever further comprises a beak which is arranged to cooperate with the teeth of a mobile connected to an indicator member. The position of the mobile is generally indexed by a jump spring.
  • the calendar of some well-known complication watches is equipped with one-way drive organs.
  • These drive organs which most often operate like pawls, are arranged to automatically disengage when a user activates the corrector of the star they are in the process of incrementing.
  • One-way drive organs do indeed prevent breakage when a user activates a corrector around midnight.
  • their implementation also comes with a number of drawbacks. In particular, disengaging a drive organ causes it to de-index from the toothing with which it cooperates.
  • the patent document EP 3 489 766 A1 describes a corrector whose actuating arm separates into two branches, one of the two branches being flexible and the other rigid.
  • One end of the flexible branch is arranged to push a tooth of a star wheel when the actuating arm pivots from its rest position to its tilted position.
  • the trajectory of the rigid branch for its part, always remains outside the trajectory of the teeth of the star wheel.
  • the flexible branch has a support zone which is provided to come to bear against a support surface presented by the rigid branch, when the end of the flexible branch pushes the tooth of the star wheel.
  • This corrector of the prior art has the advantage of being able to return to the rest position without pushing the star wheel backwards.
  • the document EP 3 734 372 describes an actuating device comprising a rocker with a pawl and guide means for positioning the pawl.
  • the guide means comprise an opening fixed to the frame and an orienting element both cooperating with a guide fixed to the pawl.
  • an object of the present invention is to provide an actuating mechanism, in particular a correction mechanism, comprising among other things a rocker which allows reliable actuation of a mobile when the rocker pivots in a first direction as well as the pivoting of the rocker in a second direction without driving the mobile and this, at any time, and without limiting the number of successive actuations of the mechanism.
  • Another object of the present invention is to provide an actuation mechanism, in particular a correction mechanism, which is robust, efficient, space-saving and easy to produce.
  • the present invention relates to an actuating mechanism according to claim 1.
  • THE figures 1 to 5 are schematic plan views of a corrector which corresponds to a particular embodiment of the actuating mechanism of the invention, the corrector being shown at four successive times during its pivoting from its rest position ( figure 1 ) towards its tilted position.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Electromechanical Clocks (AREA)

Claims (9)

  1. Betätigungsmechanismus für Uhr, der eine Wippe (1) umfasst, die schwenkbar gelagert ist, wobei die Wippe einen biegsamen Betätigungsarm (2) umfasst, der ein aktives Ende (23) umfasst, das dazu gestaltet ist, mit der Zahnung eines zu betätigenden Drehteils (4) zusammenzuwirken, wenn die Wippe (1) in einer ersten Richtung schwenkt, wobei der Betätigungsmechanismus ferner einen festen Anschlag (6) umfasst, der dazu bestimmt ist, auf einem festen Teil der Uhr montiert zu sein, wobei der biegsame Betätigungsarm (2) der Wippe (1) einen starren Abschnitt (22) umfasst, der eine Anlagezone (221) aufweist, die dazu gestaltet ist, derart mit dem festen Anschlag (6) zusammenzuwirken, dass die Anlagezone (221) sich auf den festen Anschlag (6) stützt, wenn die Wippe (1) in der ersten Richtung schwenkt und das aktive Ende (23) mit einem Zahn der Zahnung des zu betätigenden Drehteils (4) zusammenwirkt.
  2. Betätigungsmechanismus nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass er ein Steuerorgan umfasst, das manuell von der Außenseite der Uhr betätigbar ist, und dadurch, dass die Wippe (1) ein Steuerelement (11) umfasst, das dazu gestaltet ist, mit dem Steuerorgan zusammenzuwirken, um die Wippe (1) zum Schwenken zu bringen, wenn das Steuerorgan von der Außenseite der Uhr betätigt wird.
  3. Betätigungsmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Wippe (1) der Wirkung einer Rückzugfeder (3) unterliegt, die dazu neigt, die Wippe (1) in eine Ruheposition zurückzuziehen.
  4. Betätigungsmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zu betätigende Drehteil (4) der Wirkung einer elastischen Indexierungskraft (5) unterliegt, die dazu gestaltet ist, Winkelpositionen des Drehteils (4) zu bestimmen, wobei die elastische Indexierungskraft (5) dazu gestaltet ist, das Drehteil (4) in eine indexierte Winkelposition zurückzuziehen, wenn das Drehteil von der indexierten Winkelposition wegrückt; und dadurch, dass der biegsame Betätigungsarm (2) eine Steifigkeit aufweist, die derart ist, dass:
    • der Arm nicht einen der Zähne der Zahnung des zu betätigenden Drehteils (4) mit einer Kraft drücken kann, die ausreicht, um das Moment der elastischen Indexierungskraft (5) zu überwinden, wenn die Wippe (1) in der ersten Richtung schwenkt und solange die Anlagezone (221) des biegsamen Betätigungsarms (2) sich nicht gegen den festen Anschlag (6) stützt, und derart dass
    • der biegsame Betätigungsarm (2) einen der Zähne der Zahnung des zu betätigenden Drehteils (4) mit einer Kraft drücken kann, die ausreicht, um das Moment der elastischen Indexierungskraft (5) zu überwinden, wenn die Anlagezone (221) des biegsamen Betätigungsarms (2) sich gegen den festen Anschlag (6) stützt und die Wippe (1) in der ersten Richtung schwenkt.
  5. Betätigungsmechanismus nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der biegsame Betätigungsarm (2) dazu gestaltet ist, sich zu verformen, ohne eine Änderung der Winkelposition des zu betätigenden Drehteils (4) herbeizuführen, wenn die Wippe (1) in eine zweite Richtung schwenkt, die der ersten entgegengesetzt ist, und das aktive Ende (23) mit einem Zahn des zu betätigenden Drehteils (4) in Kontakt gelangt, wobei der biegsame Betätigungsarm (2) eine Steifigkeit aufweist, die derart ist, dass er sich verformen kann, ohne die elastische Indexierungskraft (5) des zu betätigenden Drehteils (4) zu überwinden, wenn die Wippe (1) in der zweiten Richtung schwenkt und das aktive Ende (23) mit einem Zahn des zu betätigenden Drehteils (4) in Kontakt gelangt.
  6. Betätigungsmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der biegsame Betätigungsarm einen elastischen Abschnitt (21) umfasst, der die Form eines Federblatts aufweist, und dadurch, dass der starre Abschnitt (22) eine Biegung mit dem elastischen Abschnitt (21) bildet, wobei die Spitze (23) der Biegung das aktive Ende des Betätigungsarms bildet.
  7. Betätigungsmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zu betätigende Drehteil ein Stern (4) ist.
  8. Betätigungsmechanismus nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das zu betätigende Drehteil (4) der Wirkung einer elastischen Indexierungskraft (5) unterliegt, die dazu gestaltet ist, die Winkelpositionen des Drehteils (4) zu bestimmen, wobei die elastische Indexierungskraft (5) dazu gestaltet ist, das Drehteil (4) in eine indexierte Winkelposition zurückzuziehen, wenn das Drehteil von der indexierten Winkelposition wegrückt; und dadurch, dass eine Sperrfeder (5) dazu gestaltet ist, die elastische Indexierungskraft auszuüben.
  9. Uhr, die mit einem Betätigungsmechanismus nach einem der vorhergehenden Ansprüche ausgestattet ist.
EP22161897.8A 2022-03-14 2022-03-14 Betätigungsmechanismus für uhr Active EP4246247B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22161897.8A EP4246247B1 (de) 2022-03-14 2022-03-14 Betätigungsmechanismus für uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22161897.8A EP4246247B1 (de) 2022-03-14 2022-03-14 Betätigungsmechanismus für uhr

Publications (2)

Publication Number Publication Date
EP4246247A1 EP4246247A1 (de) 2023-09-20
EP4246247B1 true EP4246247B1 (de) 2025-08-13

Family

ID=80739007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22161897.8A Active EP4246247B1 (de) 2022-03-14 2022-03-14 Betätigungsmechanismus für uhr

Country Status (1)

Country Link
EP (1) EP4246247B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2973123B1 (fr) * 2011-03-23 2014-01-03 Samep Montres Emile Pequignet Mecanisme d'entrainement instantane pour mouvement horloger
US10216146B2 (en) * 2017-07-18 2019-02-26 Patek Philippe Sa Geneve Indicator actuating organ for a timepiece
EP3489766B1 (de) 2017-11-27 2025-11-05 Montres Breguet S.A. Mechanismus zur korrektur einer bewegungsfunktion einer uhr
EP3734372B1 (de) * 2019-05-02 2022-10-12 Patek Philippe SA Genève Betätigungsvorrichtung eines zahnrads in einem uhrwerksmechanismus

Also Published As

Publication number Publication date
EP4246247A1 (de) 2023-09-20

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