EP3059643B1 - Uhrmechanismus - Google Patents

Uhrmechanismus Download PDF

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Publication number
EP3059643B1
EP3059643B1 EP15156071.1A EP15156071A EP3059643B1 EP 3059643 B1 EP3059643 B1 EP 3059643B1 EP 15156071 A EP15156071 A EP 15156071A EP 3059643 B1 EP3059643 B1 EP 3059643B1
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EP
European Patent Office
Prior art keywords
minute
counter
chronograph
reset
zero
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
EP15156071.1A
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English (en)
French (fr)
Other versions
EP3059643A1 (de
Inventor
Alain Zaugg
Stefan Rombach
Dominique Léchot
Jean-Philippe Rochat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Breguet SA
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Montres Breguet SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP15156071.1A priority Critical patent/EP3059643B1/de
Priority to US15/044,451 priority patent/US9535405B2/en
Priority to JP2016028583A priority patent/JP6253688B2/ja
Priority to CN201610096572.3A priority patent/CN105911854B/zh
Publication of EP3059643A1 publication Critical patent/EP3059643A1/de
Application granted granted Critical
Publication of EP3059643B1 publication Critical patent/EP3059643B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/0895—Special arrangements with a separate barrel for the chronograph functions

Definitions

  • the invention relates to the field of mechanical watchmaking. It relates, more particularly, to a chronograph mechanism comprising an energy accumulator, a regulating system, a chronograph counting wheel comprising a seconds counter and a minute counter, a chronograph reset mechanism comprising a reset mechanism. at zero minutes.
  • the present invention also relates to a timepiece comprising such a chronograph mechanism.
  • the chronograph mechanisms generally include a chronograph counting wheel which allows the counting of the time since the second by means of a chronograph mobile or counter of second, to the minute by means of a minute counter, and possibly to the hour by means of an hour counter.
  • Each counter comprises an indicator member moving on a corresponding graduated scale.
  • the indicator organs are traditionally indexed to an angular position corresponding to the zero of each scale.
  • the indicator members are generally carried by the axis of a corresponding element of the train, the link between the element of the gear and its axis being friction to allow these two members an independent angular displacement beyond a couple.
  • the indicator organs are indexed by means of corresponding heart and hammer mechanisms.
  • Friction links and mechanisms of cores and hammers means that the torque to be supplied during the reset of the different meters is very important, and that a large amount of energy will be consumed only for the resetting of the different counters .
  • the invention particularly aims to overcome the various disadvantages of known chronograph reset mechanisms.
  • an object of the invention is to provide a chronograph mechanism comprising a reset mechanism not using friction bonds and to consume little energy.
  • the present invention relates to a chronograph mechanism comprising an energy accumulator, a regulating system, a chronograph counting wheel comprising a second counter having a second movable and a second indicator member and a minute counter having a minute motive and at least one minute indicator member, a chronograph reset mechanism including a minute reset mechanism.
  • the mechanism for resetting the minutes is arranged to cooperate with the mobile minutes, the minutes indicating member being permanently attached to the mobile minutes to move with him including when the delivery to zero, and the chronograph counting wheel comprises, between the minute counter and the seconds counter, a disengagement device arranged to cinematically bind the mobile minutes and the mobile seconds when counting (during operation of the chronograph) and for disengage the seconds hand from the minute handpiece when resetting the chronograph mechanism.
  • the chronograph mechanism comprises a reset mechanism minutes allowing to keep an indexing of the wheel, including the mobile minutes, with the minute indicator organ.
  • a mechanism does not require a friction connection at the minute counter and saves the torque delivered by the energy accumulator during the reset of the chronograph.
  • the disengaging device may comprise a unidirectional mechanism having a direction of rotation leading to cause the seconds counter via the counter of minutes during the counting and a direction of free rotation during the resetting of the mechanism of chronograph.
  • the disengaging device may comprise a driving wheel arranged to be driven by the minute counter and a planet wheel arranged to drive the seconds counter and on which at least one satellite cooperating with the driving wheel is rotatably mounted, said satellite being arranged to allow the driving of the planet carrier wheel by the driving wheel during the counting and to leave free rotation of the planet wheel during the resetting of minutes.
  • the driving wheel may comprise a driving pinion arranged to cooperate with the minute counter and a driving wheel arranged to cooperate with the satellite.
  • the planet carrier wheel can be arranged to carry n satellites, where n is an integer greater than or equal to 1, said planet carrier wheel being disposed substantially coaxially with the axis of the driving wheel and being rotatably mounted around this axis.
  • the satellite may have an asymmetrical tooth profile arranged to lock with the driving wheel during the counting and to be free in rotation during the resetting of the minutes.
  • the mobile minutes may comprise a first toothed sector arranged to cooperate with the energy accumulator and a second toothed sector arranged to cooperate with the disengagement device, the first and second sectors being integral in rotation.
  • first and second tooth sectors are integral with an axis carrying a first minute indicator member on the side of the first toothed sector, and the second toothed sector carries a second minute indicator member.
  • the minute reset mechanism may comprise a rake arranged to cooperate with the first tooth sector of the minute counter and pivotally mounted in a direction of rotation to zero the minute counter.
  • the rake is further arranged to arm the energy accumulator at the same time as resetting the minute counter. Thus, no arming mechanism of the specific accumulator is necessary.
  • the energy accumulator may be a leaf spring.
  • the rake of the minute reset mechanism may also be pivotally mounted in a reverse direction of rotation to drive the chronograph counting wheel, so as to constitute means for driving the chronograph counting gear, the spring blade being arranged to actuate said rake.
  • the present invention also relates to a timepiece comprising such a chronograph mechanism.
  • the chronograph mechanism comprises an energy accumulator 1 constituted by a leaf spring fixed at A on the frame, a work train 2, an exhaust system 3 and a control system 4 comprising a balance 4a and a spiral 4b , said work train 2 connecting the energy accumulator 1 to the exhaust system 3 and the control system 4.
  • the chronograph mechanism comprising its own chronograph movement is autonomous or independent and can be used in a room watchmaking including his own time movement.
  • the finishing gear includes a minute counter and a seconds counter so as to also constitute a chronograph counting wheel.
  • the finishing gear or chronograph counting is subsequently called in general "gear". More specifically, the gear train comprises a minute counter 5 and a seconds counter 6.
  • the minute counter 5 comprises a minute wheel having a first tooth sector 7 arranged to cooperate with the energy accumulator, as will be described in FIG. details below, and a second toothed sector 8 arranged to cooperate with the wheel.
  • the first and second toothed sectors 7, 8 are mounted permanently fixed on the axis 10 of the minute counter 5 so that they are constantly integral in rotation, including with the axis 10. No connection is provided. friction that would allow to separate angularly the axis 10 of one of the toothed sectors 7, 8 beyond a certain torque.
  • the axis 10 carries in solidarity a first minute indicator member (not shown), such as a needle, arranged to appear on the dial side.
  • a second minute indicator member 12, such as an index, is carried by the second toothed sector 8 to appear on the bottom side.
  • the seconds counter 6 comprises a seconds wheel having a second gear 14 arranged to cooperate with the minute counter 5 and a wheel of second 16 arranged to cooperate with the control system 4.
  • the axis 18 of the second mobile bears integrally the second indicator member (not shown), such as a needle.
  • the connection between the mobile seconds and its axis 18 is friction to allow these two bodies an independent angular displacement beyond a certain torque.
  • the chronograph mechanism also includes a reset mechanism including a minute reset mechanism and a second reset mechanism.
  • the seconds reset mechanism is a traditional reset mechanism by means of a core system 20 integral with the axis 18 of the seconds mobile, and a hammer (not shown) controlled by a reset pushbutton. zero 22 (cf. figure 2 ).
  • the minute reset mechanism comprises a rake 24 having an end 24a arranged to cooperate with the energy accumulator 1, as will be described hereinafter, and another end 24b having a toothing arranged to cooperate with the first toothed sector 7 of the mobile minutes.
  • the rake 24 is pivotally mounted at B on the frame, and is arranged to pivot in one direction to provide the reset functions minutes and arming of the energy accumulator, and to rotate in the other direction to ensure the drive function of the wheel, and more particularly the counting minute counter, when the chronograph mechanism is in operation.
  • the rake 24 constitutes both on the one hand the driving means of the gear train and on the other hand the mechanism for resetting the minutes and the mechanism for winding the leaf spring 1.
  • the end 24a of the rake 24 is arranged to be actuated by the free end 1a of the leaf spring 1 and rotate the rake 24 when the leaf spring 1 releases its energy and relaxes to return to his unarmed position.
  • the toothing provided at the end 24b of the rake 24 and the first tooth sector 7 of the minute counter 5 are not concentric.
  • the use of a non-concentric gear system makes it possible to correct the lack of constancy of the torque delivered by the leaf spring and consequently to smooth this torque in order to obtain a constant amplitude and running of the chronograph.
  • the chronograph mechanism comprises a torque adjusting device.
  • this torque adjusting device comprises an eccentric cam 26 adjustable by the manufacturer by means of a key.
  • the cam 26 is disposed near the end 1b of the leaf spring 1, beyond the point A, opposite the free end 1a.
  • the cam 26 is arranged so as not to be in contact with the end 1b, as shown in FIG. figure 3 .
  • the cam 26 is rotated in the direction of the arrow a as shown in FIG.
  • the chronograph mechanism is held stationary until it is triggered by means of a counting trigger mechanism arranged to release the regulating system when the count is triggered.
  • the counting trigger mechanism comprises a first flip-flop 28 controlled by a "start" pusher 30 and provided with its jumper 31.
  • the first flip-flop 28 controls a second flip-flop 32 pivotally mounted on the frame and carrying a stop-and-balance lever 34 whose free end 34a comprises a spout arranged to cooperate with the pendulum and block until the chronograph mechanism is not triggered.
  • the second flip-flop 32 carries also an index 36 whose pivoting allows to indicate the state of the chronograph.
  • the mechanism for resetting the minutes and arming of the leaf spring comprises, with reference to the figure 2 a lever 40 actuated by the reset pushbutton 22.
  • the lever 40 comprises a spout 40a which cooperates with the end 42a of a first latch 42, its other end cooperating with a second latch 44.
  • This second latch 44 presents an arm 44a arranged to press the end 24a of the rake 24 and rotate the rake 24 B.
  • the end 24a of the rake 24 presses on the leaf spring 1 to move and arm during that the other end 24b of the rake 24 causes the first tooth sector 7 to pivot in the reset direction of the minute counter 5.
  • the resetting of the leaf spring 1 is effected by the reset function of the minute counter 5. No other specific arming action is required.
  • a stop mechanism arranged to stop the balance 4a and the indicator organs of the chronograph mechanism to allow reading or for a dead time.
  • the reset pushbutton 22 is also a pusher for stopping the chronograph mechanism.
  • the lever 40 controlled by the pusher 22 also cooperates with the latch 32 via a pin 43 secured to said latch 32 and moving in an oblong slot 45 provided on a latch 41. The pivoting of the lever 40 causes the pivoting of the latch 32 to bring the rocker stopper 34 to the locking position of the balance 4a and stop the chronograph mechanism, without resetting.
  • the latch 41 has a nose 41 arranged to cooperate with the latch 42 and maintain its end 42a away from the nose 40a of the lever 40 until the reset function is engaged.
  • the pivoting of the rocker 32 causes the pin 43 to pivot to pivot the rocker 41.
  • the configuration is provided so that at the end of the stop function of the chronograph, the latch 41 has rotated enough to release the latch 42 which then falls on the lever 40 so that the end 42a of the rocker 42 and the spout 40a of the lever 40 are locked.
  • a first pressure on the pusher 22 allows the stop of the chronograph mechanism and a second pressure on the same pusher 22 allows the resetting of the counters and the resetting of the leaf spring.
  • the gear train comprises, between the minute counter 5 and the seconds counter 6, a disengagement device arranged to kinematically link the mobile of the minutes. and the seconds mobile when counting, when the chronograph mechanism operates, and to disengage the mobile seconds of the mobile minutes when resetting the minutes.
  • This disengagement device comprises a unidirectional mechanism having a direction of rotation leading to driving the seconds counter 6 via the minute counter 5 during counting and a free direction of rotation when the chronograph mechanism is reset.
  • this unidirectional mechanism may be a ratchet wheel.
  • the disengaging device comprises a drive wheel, comprising a drive gear 46 cooperating with the second gear sector 8 of the minute counter 5 and a drive wheel 48, and a planet gear wheel 50 arranged coaxially with the axis 52 of the driving wheel and mounted rotatably about this axis 52.
  • the planet wheel 50 cooperates with the second gear 14 of the seconds counter 6.
  • Said satellite carrier wheel 50 carries 5 satellites 54, regularly distributed and mounted free in rotation.
  • the satellites 54 are arranged to cooperate with the drive wheel 48 of the drive wheel.
  • the satellites 54 are unidirectionally toothed and have an asymmetric tooth profile arranged to lock with the drive wheel 48 when it rotates in one direction during counting, and to be free in rotation when the drive wheel 48 rotates. in the opposite direction when resetting the minutes and arming the leaf spring 1.
  • the satellites 54 enable the drive wheel 50 to be driven by the driving wheel during the counting operation so as to ensure that the train is driven by the minute counter 5 to the regulating system 4 during the counting and free to rotate said planet carrier wheel 50 during the resetting of the minutes and the arming of the leaf spring 1 in order to disengage the mobile seconds mobile minutes, thus constituting another variant of unidirectional mechanism.
  • a disengagement device can be used with any type of energy accumulator and drive means, independently of the leaf spring / rake system. In particular, it could advantageously be used in the case of a winding movement with rocket.
  • the seconds counter When pressing the reset and arming pushbutton 22, the seconds counter has also zeroed in a known manner.
  • the count can then begin.
  • the energy is released by the leaf spring whose end 1a presses on the end 24a of the rake 24 to rotate it in B in the opposite direction to that of the reset minutes and the arming.
  • the teeth 24b leads the first gear sector 7 and therefore the second gear sector 8 in the opposite direction to that of the reset of the minutes and the arming.
  • the indicator organs of the minutes begin to rotate at the rate of one graduation per minute.
  • the second gear sector 8 of the minute counter 5 meshes with the driving wheel 46, 48, but because of the asymmetrical toothing of the satellites 54, the said satellites 54 lock up so that the rotation of the wheel
  • the drive 48 causes rotation of the planet wheel 50, which in turn causes the seconds counter 6 to transmit the torque delivered by the leaf spring to the other elements of the train.
  • the seconds indicator will start rotating to indicate seconds.
  • the balance and the indicator organs can be stopped by a first pressure on the pusher 22 for reading or for a dead time.
  • a first pressure on the pusher 22 according to the arrow has caused the pivoting of the lever 40 according to the arrow b, which causes the movement of the latches 32 and 41 along the arrow c so as to bring the stop-balance 34 against the balance 4a to block it.
  • the indicator organs are stopped for an intermediate reading or a dead time.
  • the latch 41 has also pivoted along the arrow d to release the latch 42 which falls on the lever 40 to occupy its position for a possible reset. Pressing again on the "start" pushbutton 30 makes it possible to restart the chronograph mechanism, as described above, without resetting to zero.
  • a new first pressure on the pusher 22 makes it possible to stop the chronograph mechanism, as described above.
  • a second pressure on the pusher 22 resets the chronograph, and reset the leaf spring as already described above.
  • the chronograph mechanism according to the invention has a constant torque sufficient to function properly and represents a smaller footprint than known chronograph mechanisms. Its resetting mechanism, and more particularly the resetting of the minutes, also provides the function of re-energizing the energy accumulator, so that no specific reset mechanism is necessary.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (13)

  1. Chronographenmechanismus, umfassend einen Energiespeicher (1), ein Reguliersystem (4), ein Chronographen-Zählräderwerk, das einen ein Minutendrehteil und mindestens ein Minutenanzeigeorgan (12) aufweisenden Minutenzähler (5) und einen ein Sekundendrehteil und ein Sekundenanzeigeorgan aufweisenden Sekundenzähler (6) und einen einen Minuten-Nullrücksetzmechanismus enthaltenden Nullrücksetzmechanismus des Chronographen umfasst, wobei der Minuten-Nullrücksetzmechanismus dafür ausgelegt ist, mit dem Minutendrehteil zusammenzuwirken, dadurch gekennzeichnet, dass das Minutenanzeigeorgan (12) mit dem Minutendrehteil dauerhaft fest verbunden ist und dass das Chronographen-Zählräderwerk zwischen dem Minutenzähler (5) und dem Sekundenzähler (6) eine Auskuppelvorrichtung aufweist, die dafür ausgelegt ist, das Minutendrehteil und das Sekundendrehteil bei der Zählung kinematisch zu verbinden und das Sekundendrehteil von dem Minutendrehteil bei der Nullrücksetzung des Chronographenmechanismus zu entkoppeln.
  2. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die Auskuppelvorrichtung einen unidirektionalen Mechanismus umfasst, der einen Antriebsdrehrichtungssinn aufweist, um den Sekundenzähler (6) über den Minutenzähler (5) bei der Zählung anzutreiben, und einen Freidrehrichtungssinn bei der Nullrücksetzung des Chronographenmechanismus aufweist.
  3. Chronographenmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Auskuppelvorrichtung ein Antriebsdrehteil, das dafür ausgelegt ist, durch den Minutenzähler (5) angetrieben zu werden, und ein Planetenträgerrad (50) umfasst, das dafür ausgelegt ist, den Sekundenzähler (6) anzutreiben, und an dem mindestens ein Planetenrad (54), das mit dem Antriebsdrehteil zusammenwirkt, frei drehbar montiert ist, wobei das Planetenrad (54) dafür ausgelegt ist, den Antrieb des Planetenträgerrades (50) durch das Antriebsdrehteil bei der Zählung zu ermöglichen und um das Planetenträgerrad (50) bei der Nullrücksetzung der Minuten frei drehbar zu lassen.
  4. Chronographenmechanismus nach Anspruch 3, dadurch gekennzeichnet, dass das Antriebsdrehteil ein Antriebsritzel (46), das dafür ausgelegt ist, mit dem Minutenzähler (5) zusammenzuwirken, und ein Antriebsrad (48) umfasst, das dafür ausgelegt ist, mit dem Planetenrad (54) zusammenzuwirken.
  5. Chronographenmechanismus nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, dass das Planetenträgerrad (50) dafür ausgelegt ist, n Planetenräder (54) zu tragen, wobei n eine ganze Zahl größer oder gleich 1 ist, und das Planetenträgerrad (50) koaxial zu der Achse (52) des Antriebsdrehteils angeordnet ist und drehbeweglich um diese Achse (52) montiert ist.
  6. Chronographenmechanismus nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das Planetenrad (54) ein asymmetrisches Zahnprofil aufweist, das dafür ausgelegt ist, bei der Zählung mit dem Antriebsdrehteil zu blockieren und bei der Nullrücksetzung der Minuten frei drehbar zu sein.
  7. Chronographenmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Minutendrehteil einen ersten Zahnsektor (7), der dafür ausgelegt ist, mit dem Energiespeicher (1) zusammenzuwirken, und einen zweiten Zahnsektor (8) umfasst, der dafür ausgelegt ist mit der Auskuppelvorrichtung zusammenzuwirken, und dass der erste Zahnsektor (7) und der zweite Zahnsektor (8) drehfest miteinander verbunden sind.
  8. Chronographenmechanismus nach Anspruch 7, dadurch gekennzeichnet, dass der erste Zahnsektor (7) und der zweite Zahnsektor (8) mit einer Achse (10) fest verbunden sind, die ein erstes Minutenanzeigeorgan auf Seiten des ersten Zahnsektors (7) trägt, und dass der zweite Zahnsektor (8) ein zweites Minutenanzeigeorgan (12) trägt.
  9. Chronographenmechanismus nach einem der Ansprüche 7 und 8, dadurch gekennzeichnet, dass der Minuten-Nullrücksetzmechanismus einen Rechen (24) umfasst, der dafür ausgelegt ist, mit dem ersten Zahnsektor (7) des Minutenzählers (5) zusammenzuwirken, und drehbar in einer Drehrichtung montiert ist, um den Minutenzähler (5) auf null zu setzen.
  10. Chronographenmechanismus nach Anspruch 9, dadurch gekennzeichnet, dass der Rechen (24) ferner dafür ausgelegt ist, den Energiespeicher (1) bei der Nullrücksetzung des Minutenzählers (5) zu spannen.
  11. Chronographenmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Energiespeicher (1) eine Blattfeder ist.
  12. Chronographenmechanismus nach den Ansprüchen 9 bis 11, dadurch gekennzeichnet, dass der Rechen (24) des Minuten-Nullrücksetzmechanismus ferner drehbar in einer entgegengesetzten Drehrichtung montiert ist, um das Chronographen-Zählräderwerk anzutreiben, und dass die Blattfeder dafür ausgelegt ist, den Rechen (24) zu betätigen.
  13. Zeitmessgerät, das einen Chronographenmechanismus nach einem der vorhergehenden Ansprüche umfasst.
EP15156071.1A 2015-02-23 2015-02-23 Uhrmechanismus Active EP3059643B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15156071.1A EP3059643B1 (de) 2015-02-23 2015-02-23 Uhrmechanismus
US15/044,451 US9535405B2 (en) 2015-02-23 2016-02-16 Chronograph mechanism
JP2016028583A JP6253688B2 (ja) 2015-02-23 2016-02-18 クロノグラフ機構
CN201610096572.3A CN105911854B (zh) 2015-02-23 2016-02-22 计时机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15156071.1A EP3059643B1 (de) 2015-02-23 2015-02-23 Uhrmechanismus

Publications (2)

Publication Number Publication Date
EP3059643A1 EP3059643A1 (de) 2016-08-24
EP3059643B1 true EP3059643B1 (de) 2017-07-19

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US (1) US9535405B2 (de)
EP (1) EP3059643B1 (de)
JP (1) JP6253688B2 (de)
CN (1) CN105911854B (de)

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JP6801423B2 (ja) * 2016-12-13 2020-12-16 セイコーエプソン株式会社 時計用ムーブメントおよび機械式時計
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EP3671135B1 (de) * 2018-12-21 2022-08-17 The Swatch Group Research and Development Ltd System und verfahren zur bestimmung mindestens eines parameters der winkelbewegung einer achse
EP3876042B1 (de) * 2020-03-05 2023-12-06 Montres Breguet S.A. Nullstellungssystem eines chronographen
CN115453843B (zh) * 2022-08-29 2023-08-22 中国计量大学 一种带复位功能的计时机械结构

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Also Published As

Publication number Publication date
CN105911854A (zh) 2016-08-31
JP2016156816A (ja) 2016-09-01
US9535405B2 (en) 2017-01-03
JP6253688B2 (ja) 2017-12-27
CN105911854B (zh) 2018-06-19
EP3059643A1 (de) 2016-08-24
US20160246261A1 (en) 2016-08-25

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