EP2407833B1 - Mécanisme de rattrapage de jeu pour mouvement d'horlogerie - Google Patents

Mécanisme de rattrapage de jeu pour mouvement d'horlogerie Download PDF

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Publication number
EP2407833B1
EP2407833B1 EP10007238A EP10007238A EP2407833B1 EP 2407833 B1 EP2407833 B1 EP 2407833B1 EP 10007238 A EP10007238 A EP 10007238A EP 10007238 A EP10007238 A EP 10007238A EP 2407833 B1 EP2407833 B1 EP 2407833B1
Authority
EP
European Patent Office
Prior art keywords
cam
wheel
backlash
spring
compensating mechanism
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
EP10007238A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2407833A1 (fr
Inventor
Jacques Gabathuler
Serge Nicollin
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.)
Breitling AG
Original Assignee
Breitling AG
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 Breitling AG filed Critical Breitling AG
Priority to EP10007238A priority Critical patent/EP2407833B1/fr
Priority to CN201110193825.6A priority patent/CN102375399B/zh
Priority to JP2011154527A priority patent/JP5840405B2/ja
Priority to US13/182,534 priority patent/US8675453B2/en
Publication of EP2407833A1 publication Critical patent/EP2407833A1/fr
Priority to HK12100793.5A priority patent/HK1160519A1/xx
Application granted granted Critical
Publication of EP2407833B1 publication Critical patent/EP2407833B1/fr
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears
    • 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
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement

Definitions

  • the present invention relates to a gaming catch-up mechanism for a watch movement.
  • the present invention relates to a play-catching mechanism of the type comprising a cam, an actuating member resting against the cam and a wheel coaxial with the cam and intended to be driven by a work train, the cam and the wheel being connected to each other so that a rotation turn of the wheel comprises a succession of a first phase where the wheel drives the cam while the cooperation between the cam and the body of the wheel. actuation arms the latter, a second phase where the actuator makes an instant jump to the cam, and a third phase where the cam is immobilized and the wheel continues to advance to catch the cam to train again in the first phase of the next turn.
  • Watches currently on the market are equipped with such a catch-up mechanism. Such watches are also described in the documents. CH 473.417 and EP 1.746.470 .
  • the play catch mechanism is a part of an instant jump date display mechanism.
  • the wheel performs one turn per 24 hours under the action of the motion display time of the movement and the cam drives a drive member which itself moves a date indicator a step once per 24 hours at midnight, during the instant jump of the cam.
  • the support of the actuating member on the cam generates a return torque in the opposite direction to the direction of rotation of the cam and the wheel, and this torque is transmitted to the wheel and propagates upstream to the roadway movement which eliminates the gear games in the time display gear.
  • the third phase lasts until the wheel has caught the angular position of the cam, typically several hours.
  • the gear sets in the time display gear are not overtaken, so that in the event of shock to the watch unwanted relative movements of the hands may occur.
  • Such relative displacements may also occur if a time setting or time zone correction is performed in a sense that the games add up.
  • This problem is particularly critical in the case of a watch having several hour hands, for example needles of two different time zones making a turn in 12 hours or a hand of the hours making a turn in 12 hours and another hour hand taking a turn in 24 hours, and when a differential is used to allow the correction of one of the needles independently of the other.
  • the differential significantly increases the gear sets so that significant offsets can appear between the hour hands, on the one hand, and between each of these hands and the minute hand, on the other hand, during a shock, a time setting or a correction.
  • These offsets visible to the user, will not be caught until the gear sets have themselves been caught by the normal operation of the train after the shock, setting time or correction. This catch-up can take several tens of minutes.
  • the present invention aims to overcome these drawbacks, or at least to mitigate them, and proposes for this purpose a catch-up mechanism of the type mentioned above, characterized in that it further comprises elastic means arranged to act between the cam and the wheel and apply a restoring moment to the wheel during the third phase, said return torque being in the opposite direction to the direction of rotation of the wheel.
  • the elastic means may comprise a spring whose ends are integral with the cam and the wheel respectively.
  • the spring may be a coil spring coaxial with the cam and the wheel.
  • the mechanism according to the invention may also comprise a hub around which is mounted the wheel and whose cam is integral, and the spring may be located around the hub and have its ends respectively fixed to the hub and the wheel.
  • At least one of the ends of the spring can be secured to the cam or the wheel by a hook.
  • the cam and the wheel can be linked by an eccentric pin fixed to the cam and cooperating with an oblong opening made in the wheel, in the form of a circular arc centered on the axis of the wheel.
  • the actuating member may comprise a rocker and a spring applying the rocker against the cam.
  • the present invention also relates to an instant jump display mechanism comprising a play-catching mechanism as defined above, a drive member driven by the cam of the play-catching mechanism and an indicator driven by the driving member.
  • the drive member may be integral with the cam and project radially from the hub.
  • the indicator is for example a date indicator.
  • the present invention also relates to a watch movement comprising a game-catching mechanism or an instant-jump display mechanism as defined above.
  • This movement may include a time display gear arranged to drive the play catch mechanism, the time display train comprising a differential gear connecting a mobile carrying a first hour indicator hand to another mobile carrying a second hour indicator hand.
  • the present invention also relates to a watch comprising a watch movement as defined above.
  • a mechanical watch movement comprises, on a plate 1, a cylinder, a work train, an escapement, a regulating member (not shown) and a time display train 2 driving pointer needles in rotation over a dial 3.
  • the time display train 2 comprises a roadway 4, a road wheel 5, a wheel and a timer gear 6, 7, a wheel and a gear wheel of 24. hours 8, 9, a differential gear 10 and a 12 hour wheel and pinion 11, 12.
  • the carriageway 4 carries a minute indicator needle running one hour.
  • the road wheel 5 is frictionally mounted on the roadway 4 and is driven by the small average gear of the finishing gear train, designated at the figure 2 by the reference 5a.
  • the roadway 4 drives the timer wheel 6 which drives, via the timer gear 7 which is secured thereto, the 24-hour wheel 8.
  • the 24-hour wheel 8 is rigidly mounted on a tube or barrel 13 freely surrounding 4.
  • the tube 13 defines the 24 hour pinion 9 and carries a first hour indicator needle, said 24 hour hand, making a turn in 24 hours.
  • the 24-hour gear 9 drives a mobile comprising the 12-hour gear 12, the 12-hour wheel 11 and a central tube 14 integral with each other.
  • the tube 14 freely surrounds the tube 13 and carries a second hour indicator needle, said 12-hour hand, making one turn per 12 hours.
  • the differential gear 10 comprises a planet carrier 15 mounted freely around the tube 13 and having a toothing 16 at its periphery, and a satellite mobile pivotally mounted about an eccentric pin 17 fixed to the planet carrier 15.
  • the satellite mobile comprises a pinion 18 which meshes with the pinion 24 hours 9 and a wheel 19 which is integral with the pinion 18 and which meshes with the pinion 12 hours 12.
  • the planet carrier 15 In normal operation, the planet carrier 15 is locked in rotation and the differential gear 10 only serves as a reduction gear for driving the 12 hour pinion 12 from the 24 hour pinion 9.
  • the toothing 16 of the planet carrier 15 is engaged with a coaxial wheel 20 integral with a star 21 on which a positioning jumper 22 acts.
  • the wheel 20 can be actuated by the winding stem 23 of the movement by the intermediate of a gear train 24 when the winding stem 23 is in an intermediate axial position between the winding position and the setting time setting position.
  • a time setting can be performed by turning the winding stem 23 when it is in its axial position of setting time.
  • the rotation of the winding stem 23 actuates the timer wheel 6 via a gear train (not shown), thereby simultaneously rotating the minute hand, the 12-hour hand and the 24-hour hand. .
  • the movement according to the invention also comprises a visible date display mechanism 25 visible to figures 1 and 3 .
  • This mechanism 25 comprises an intermediate mobile 26, a driving mobile 27, an actuating member 28 and an indicator disc 29 bearing the numbers 1 to 31 of the days of the month visible successively through a window 30 made in the dial 3.
  • the intermediate wheel 26 is driven by the 12 hour wheel 11 and comprises a wheel 31 and a pinion 32 integral with each other.
  • the wheel 31 meshes with the 12-hour wheel 11 and the pinion 32 meshes with a wheel 33 of the drive wheel 27 to drive the wheel 33 at a rate of one revolution per 24 hours.
  • the drive wheel 27 further comprises a hub 34 mounted free to rotate about a fixed axis 35, that is to say integral in rotation with the plate 1.
  • a hub 34 mounted free to rotate about a fixed axis 35, that is to say integral in rotation with the plate 1.
  • a drive finger 37 integral with the hub 34 and preferably formed integrally therewith.
  • Around the other axial end 38 of the hub 34 is rigidly fixed an instantaneous jump cam 39.
  • the wheel 33 is mounted freely around the hub 34, between the cam 39 and an assembly part 40 rigidly fixed to the hub 34.
  • wheel 33 is connected to cam 39 so that it can move in rotation relative thereto only at a predetermined angle.
  • an eccentric pin 41 driven into the cam 39 passes into an oblong opening 42 formed in the wheel 33 and having the shape of a circular arc centered on the axis of the wheel 33 (cf. figure 3 ).
  • the cam 39 has a first portion 43 in the form of a spiral portion extending from the center of the cam 39 to a vertex 44, a second convex portion 45 approaching the center of the cam 39 from the top 44 and a third portion 46 shaped hollow.
  • the actuating member 28 comprises a flip-flop 47 pivoting at a point 48 and a spring 49 permanently applying and holding the flip-flop 47 against the cam 39.
  • the flip-flop 47 cooperates with the cam 39 via a roller 50 .
  • the latch 47 exerts on the cam 39 and thus on the wheel 33 (due to the cooperation between the pin 41 and the end 52 of the opening 42) a return torque, that is to say say a torque tending to turn the wheel 33 and the cam 39 in the direction opposite to the direction R.
  • This restoring torque propagates to the gear between the wheel on the road 5 and the small average gear 5a and catches up thus all the gears of the gears of the display gear of the hour 2, the gear sets of the cogwheel of finishing being they already caught up by the tension exerted by the barrel.
  • the needles will not shift or little relative to each other, as the latch 47 will remain in place.
  • the flip-flop 47 no longer exerts a restoring torque so that if no play-catching device is provided, as is the case in the case state of the art, the gear sets will not be caught.
  • a differential gear such as the gear 10 illustrated in FIG. figure 1 significantly increases the gear sets. If a time setting is performed by turning the hands counter-clockwise, or if a correction of the angular position of the 12-hour hand is performed counter-clockwise, the gear sets are will add up and a significant shift between the 12-hour and 24-hour hands may appear, as well as between each of these needles and the minute hand. Such shifts may also occur in case of shock suffered by the watch.
  • a return spring 54 is disposed around the hub 34 and its ends are respectively fixed to the wheel 33 and the hub 34 of which the cam 39 is secured.
  • the spring 54 is a coil spring and its ends are fixed to the wheel 33 and the hub 34 by means of hooks 55, 56 (cf. figures 1 and 4 ).
  • the hook 55 hooks into an opening 57 formed in the wheel 33 while the hook 56 clings to the junction between the hub 34 and the drive finger 37.
  • the spring 54 could be attached to the wheel 33 and the hub 34 in a different manner.
  • the spring 54 is stretched in torsion and tends to bring the pin 41 and the end 53 of the opening 42 from each other but the action of the latch 47 on the first portion 43 of the cam 39 is stronger than the action of the spring 54 so that the pin 41 remains in abutment against the end 52 of the opening 42, allowing the wheel 33 to drive the cam 39.
  • the spring 54 relaxes and therefore acts in the same direction as the latch 47, which facilitates the instantaneous jump of the cam 39.
  • the spring 54 is stretched as the wheel 33 advances and thus exerts on the latter a restoring torque which eliminates the gear sets in the gear train d time display 2, like the action of the latch 47 during the first phase.
  • the spring 54 is prestressed so that it begins to exert said return torque from the beginning of the third phase, just after the instantaneous jump.
  • the spring 54 could be of another type than a coil spring. It could for example consist of a form spring whose heel would be fixed, for example riveted, to the wheel 33 and the end of its blade would be fixed, for example hooked, to the pin 41, or a spring-shaped spiral whose inner part would be fixed around an axial annular projection of the wheel 33 and the outer part would be fixed to the pin 41.
  • the spring 54 for example a leaf spring such as the spring 49, could to be fixed to the wheel 33 and could act on a rocker itself pivoted on the wheel 33 and acting on a second cam integral with the cam 39. The second cam would thus have the function of tensioning the spring fixed to the wheel 33 during the third phase, like the action of the first portion 43 of the cam 39 during the first phase.
  • a coil spring is nevertheless preferred in the present invention. Indeed, it is important to reduce as much as possible the return torque difference between the beginning and the end of the third phase so that the return torque of the spring is strong enough without the torque required to reset the spring is too high .
  • the active length of the spring must be as large as possible. Or a coil spring has a large active length.
  • a coil spring is naturally guided by the part, here the hub 34, around which it is mounted. No additional elements are necessary for its guidance.
  • the drive finger 37 may not be integral with the cam 39 but be driven by the pin 41, as is known per se.
  • the present invention is not limited to such an application, nor to an application where several hour hands are provided. .
  • the assembly formed by the intermediate wheel 26, the wheel 33, the cam 39, the pin 41, the actuating member 28 and the spring 54 constitutes a catch-up mechanism that could be used without being associated with a drive finger and an indicator, which could be deleted or driven by another mechanism of movement.
  • the aforementioned set could thus be used only to tension the time display wheel 2 or another gear to remove the gear sets.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Gears, Cams (AREA)
EP10007238A 2010-07-14 2010-07-14 Mécanisme de rattrapage de jeu pour mouvement d'horlogerie Active EP2407833B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10007238A EP2407833B1 (fr) 2010-07-14 2010-07-14 Mécanisme de rattrapage de jeu pour mouvement d'horlogerie
CN201110193825.6A CN102375399B (zh) 2010-07-14 2011-07-05 用于时钟机件的间隙补偿机构
JP2011154527A JP5840405B2 (ja) 2010-07-14 2011-07-13 計時器ムーブメント用のバックラッシ補償機構体
US13/182,534 US8675453B2 (en) 2010-07-14 2011-07-14 Backlash-compensating mechanism for a timepiece movement
HK12100793.5A HK1160519A1 (en) 2010-07-14 2012-01-27 Clearance compensation mechanism for clock movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10007238A EP2407833B1 (fr) 2010-07-14 2010-07-14 Mécanisme de rattrapage de jeu pour mouvement d'horlogerie

Publications (2)

Publication Number Publication Date
EP2407833A1 EP2407833A1 (fr) 2012-01-18
EP2407833B1 true EP2407833B1 (fr) 2013-03-13

Family

ID=43385561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10007238A Active EP2407833B1 (fr) 2010-07-14 2010-07-14 Mécanisme de rattrapage de jeu pour mouvement d'horlogerie

Country Status (5)

Country Link
US (1) US8675453B2 (zh)
EP (1) EP2407833B1 (zh)
JP (1) JP5840405B2 (zh)
CN (1) CN102375399B (zh)
HK (1) HK1160519A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2503407B1 (fr) * 2011-03-23 2017-06-28 Montres Breguet SA Mouvement horloger comportant un actionneur instantané commandé par le mouvement
JP5831705B2 (ja) * 2012-03-06 2015-12-09 カシオ計算機株式会社 指針時計
EP2642354B1 (fr) * 2012-03-23 2015-10-21 Omega SA Mécanisme d'affichage et de correction d'état de deux grandeurs temporelles différentes
DE102014117436B3 (de) * 2014-11-27 2015-11-05 Lange Uhren Gmbh Schrittschalteinrichtung
US9878329B2 (en) 2015-03-23 2018-01-30 SYFR, Inc. Self-contained slide receptacle for patient specimens
EP3451077A1 (fr) 2017-09-05 2019-03-06 Breitling AG Mecanisme de calendrier pour piece d'horlogerie
WO2019123821A1 (ja) * 2017-12-20 2019-06-27 シチズン時計株式会社 指針の停止位置のばらつき低減機構
EP3677970A1 (fr) * 2019-01-07 2020-07-08 Rolex Sa Dispositif d'entraînement d'un élément d'affichage
EP3686694B1 (fr) * 2019-01-28 2021-08-18 Patek Philippe SA Genève Mécanisme de réveil et pièce d'horlogerie comportant un tel mécanisme
CH717255B1 (fr) * 2020-03-24 2023-06-15 Officine Panerai Ag Mouvement horloger mécanique à affichage du quantième.
EP4189489B1 (fr) * 2020-07-30 2024-04-24 Montres Breguet S.A. Procédé de mise à l'heure d'une montre dans un ensemble sympathique d'horlogerie

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Publication number Priority date Publication date Assignee Title
DE1523864A1 (de) * 1966-05-27 1969-11-13 Ruhla Uhren Veb K Kalenderschaltwerk
CH473417A (fr) * 1966-10-13 1969-02-14 Centre Electron Horloger Pièce d'horlogerie à calendrier
JPS4520298Y1 (zh) * 1966-12-21 1970-08-14
CH1635569A4 (zh) * 1969-11-03 1971-08-13
JPS54161361A (en) * 1978-06-09 1979-12-20 Seiko Instr & Electronics Ltd Display mechanism for electronic watch of analog display type
US4240249A (en) * 1979-03-05 1980-12-23 Kruglov Gennady A Instantaneous calendar device for timepieces
JPS599782B2 (ja) * 1980-05-27 1984-03-05 株式会社精工舎 歯車間のバツクラツシユ除去装置
JP2564964Y2 (ja) * 1992-03-13 1998-03-11 シチズン時計株式会社 指針式多時刻表示時計
TW494283B (en) * 2000-12-22 2002-07-11 Ebauchesfabrik Eta Ag Instantaneous drive mechanism for a date indicator
EP1335253B1 (fr) * 2002-02-11 2009-04-22 Rolex Sa Mécanisme de quantième annuel pour mouvement d'horlogerie
DE602005001798T8 (de) * 2004-05-14 2008-08-28 Rolex Sa Jährlicher Kalendermechanismus für Uhrwerk
EP1746470A1 (fr) * 2005-07-20 2007-01-24 Breitling AG Pièce d'horlogerie à mécanisme de quantième
ATE528699T1 (de) * 2005-11-11 2011-10-15 Omega Sa Jahreskalendermechanismus für uhrwerk
ATE500537T1 (de) * 2007-07-13 2011-03-15 Omega Sa Augenblicklicher anzeigemechanismus für uhr
EP2112567B1 (fr) * 2008-04-21 2016-07-13 Rolex Sa Engrenage à compensation de jeu pour mécanisme d'horlogerie.
ATE543125T1 (de) * 2008-10-24 2012-02-15 Eta Sa Mft Horlogere Suisse Hilfsvorrichtung zur positionshaltung einer datumsanzeigescheibe für uhrwerk

Also Published As

Publication number Publication date
CN102375399B (zh) 2014-10-22
JP5840405B2 (ja) 2016-01-06
US8675453B2 (en) 2014-03-18
EP2407833A1 (fr) 2012-01-18
JP2012021987A (ja) 2012-02-02
CN102375399A (zh) 2012-03-14
US20120014224A1 (en) 2012-01-19
HK1160519A1 (en) 2012-08-17

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