EP3547043B1 - Mécanisme correcteur d'affichage d'horlogerie - Google Patents

Mécanisme correcteur d'affichage d'horlogerie Download PDF

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Publication number
EP3547043B1
EP3547043B1 EP18163843.8A EP18163843A EP3547043B1 EP 3547043 B1 EP3547043 B1 EP 3547043B1 EP 18163843 A EP18163843 A EP 18163843A EP 3547043 B1 EP3547043 B1 EP 3547043B1
Authority
EP
European Patent Office
Prior art keywords
mobile component
rotor
correction mechanism
rotation
mobile
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
EP18163843.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3547043A1 (fr
Inventor
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
Original Assignee
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 EP18163843.8A priority Critical patent/EP3547043B1/fr
Priority to JP2019038268A priority patent/JP6740409B2/ja
Priority to US16/291,002 priority patent/US11360433B2/en
Priority to CN201910227765.1A priority patent/CN110361956B/zh
Publication of EP3547043A1 publication Critical patent/EP3547043A1/fr
Application granted granted Critical
Publication of EP3547043B1 publication Critical patent/EP3547043B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/001—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—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
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/2536—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement automatically corrected at the end of months having less than 31 days
    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel

Definitions

  • the invention relates to a correcting mechanism for a clockwork date display mechanism, arranged to modify the angular position of a display mobile that comprises a said date display mechanism, which corrective mechanism comprises on the one hand a control mobile arranged to be controlled by an action of a user or / and by a clockwork mechanism, and on the other hand an output mobile arranged to cooperate with a said display mobile, said correcting mechanism comprising a freewheel mechanism which is arranged to disengage said output mobile from said control mobile in a first relative direction of rotation, and to engage said output mobile with said control mobile in a second relative direction of rotation opposite to said first relative direction of rotation. rotation.
  • the invention also relates to a date display mechanism comprising a display mobile and such a correcting mechanism.
  • the invention also relates to a timepiece comprising such a date display mechanism with such a correcting mechanism.
  • the invention relates to the field of clockwork display mechanisms, and more particularly date display mechanisms.
  • a disengageable rocker system is known, where the system mechanism disengages during the reverse rotation and avoids the driving of the date disc.
  • a friction system on an oblong hole is also known, in which the mechanism disengages by friction during the reverse rotation and avoids the driving of the date disc.
  • the scales are bulky, and the friction mechanisms consume energy, and generate pollution in a watch.
  • the document EP2503410A2 in the name of MONTRES BREGUET describes a calendar mechanism comprising a mobile 31 provided to control a date indicator, date drive means provided to drive the mobile 31, a mobile 12 provided to control a month indicator, and monthly training means provided to increase the mobile by 12 at the end of each month, the mobile 31 being arranged to actuate the monthly drive means during the passage from the end of a month to the first day of the following month, the calendar mechanism further comprising a rapid correcting device manually operable, the rapid correcting device being able to move the mobile 31 forward in one go until the date indicator passes to the following month, by activating the monthly drive means.
  • the rapid correction device comprises a rotating stop kinematically linked to the mobile 31, and a mobile stop between an active position in which it intercepts the trajectory of the rotating stop and an inactive position, and this rapid correction device is arranged to bring the stop in the active position and to advance the mobile 31 in one go until the stop stops the rotating stop and immobilizes the mobile 31 in an angular position corresponding to the indication of the first day of the month.
  • the document EP2701014 in the name of ROLEX describes a lever comprising at least a first element for guiding in rotation of a first mobile, at least one friction element intended to cooperate with an at least substantially cylindrical portion of the first mobile and at least one elastic element intended in elastically returning the at least one friction element to a state of cooperation with said portion of the first mobile, in particular in contact with said portion of the first mobile.
  • the document CH710250A2 in the name of ETA describes a disengageable coaxial wheel device for a watch movement, comprising an input wheel, an output wheel, a hub, and a jumper mechanism comprising a spring and positioning elements defining a certain number of angular positions discrete of the input wheel relative to the output wheel about an axis of rotation.
  • the positional elements include hollow elements and protruding elements, the spring being configured to apply an elastic force pushing the protruding elements against the hollow elements to secure the wheels in rotation below a disengagement torque.
  • the protruding members and the hollow members extend in the axial direction and the spring is configured to apply an elastic force in the axial direction.
  • the document EP2945026A1 in the name of ETA describes a clockwork lever for the transmission of a movement between, on the one hand, a transmitting mobile carried by a pivoting plate that comprises said rocker and which is mounted to pivot around a first pivot axis, and on the other hand at least one receiving mobile external to said rocker which comprises, mounted to pivot about a second pivot axis remote from said first pivot axis, at least one transmission mobile carried by the pivoting plate, the angular position of the second pivot axis of the transmission mobile relative to the first pivot axis being variable.
  • This transmitting mobile continuously transmits its movement to the transmission mobile which it drives with a pivoting movement about the second pivot axis
  • the rocker comprises at least, or else a first friction connection between a first friction surface of the emitting mobile and a second friction surface of the pivoting plate, or a second friction connection between a third friction surface of the transmission mobile and a fourth friction surface of the pivoting plate.
  • the invention proposes to implement a compact correction mechanism, to perform a rapid correction with a unidirectional mechanism, and proposes to use a freewheel mechanism, as known in various fields of general mechanics, such as cycles. , machine tools, conveying, or the like, in which the blocking is usually done on rollers.
  • the invention relates to a corrective mechanism for a clockwork date display mechanism, according to claim 1, in order to obtain both a saving of space compared to the prior art, and a notable simplification of the correction system, making it possible in particular to compact the date correction system without having an additional mobile.
  • the invention also relates to a date display mechanism comprising a display mobile and such a correcting mechanism.
  • the invention also relates to a timepiece comprising such a date display mechanism with such a correcting mechanism.
  • the invention relates to a correcting mechanism 1 for a date display mechanism 10 for clockwork, which comprises a display mobile 11.
  • the correcting mechanism 1 is arranged to modify the angular position of this display mobile 11.
  • the correcting mechanism 1 comprises, on the one hand a control mobile 2 arranged to be controlled by an action of a user or / and by a clockwork mechanism 100, and on the other hand an output mobile 3 arranged to cooperate with such a display mobile 11.
  • This correcting mechanism 1 comprises a freewheel mechanism, which is arranged to disengage the output mobile 3 from the control mobile 2 in a first relative direction of rotation, and to engage the output mobile 3 with the control mobile 2 in a second relative direction of rotation opposite to the first relative direction of rotation.
  • this control mobile 2, or respectively this output mobile 3 is integral in rotation with a rotor 4.
  • the output mobile 3 or respectively the control mobile 2 comprises a cavity 30, in which is mobile in pivoting this rotor 4.
  • this rotor 4 and / or this cavity 30 comprises at least a first chamber 5, 50, of variable section radially with respect to the pivot axis D of the rotor 4.
  • this correcting mechanism 1 comprises at least one crazy mobile 6, such as a ball, a roller, or other, enclosed in such a chamber 5, 50, and whose dimensions are arranged to allow its freedom in this chamber 5, 50 , in the first relative direction of rotation of the rotor 4 with respect to the cavity 30, and to cause its blocking on a wall of the chamber 5, 50, in the second relative direction of rotation of the rotor 4 with respect to the cavity 30.
  • crazy mobile 6, such as a ball, a roller, or other enclosed in such a chamber 5, 50, and whose dimensions are arranged to allow its freedom in this chamber 5, 50 , in the first relative direction of rotation of the rotor 4 with respect to the cavity 30, and to cause its blocking on a wall of the chamber 5, 50, in the second relative direction of rotation of the rotor 4 with respect to the cavity 30.
  • the idler 6 is movable only in a plane perpendicular to the pivot axis D of the rotor 4.
  • the idle mobile 6 is mobile only parallel to the pivot axis D of the rotor 4.
  • the idler 6 is movable both in a plane perpendicular to the pivot axis D of rotor 4 and parallel to the pivot axis D of rotor 4.
  • the peripheral surface 40 of the rotor 4 constitutes, in each chamber 5, a cam in a plane perpendicular to an axis of rotation D common to the output mobile 3 and to the rotor 4.
  • the peripheral surface 40 of the rotor 4 constitutes, in each chamber 5, a cam in a direction parallel to an axis of rotation D common to the output mobile 3 and to the rotor 4.
  • the peripheral surface 40 of the rotor 4 constitutes, in each chamber 5, a cam both in a plane perpendicular to an axis of rotation D common to the output mobile 3 and to the rotor 4, and according to a direction parallel to the axis of rotation D.
  • each chamber 5, 50 comprises, in the same circumferential direction as all the other chambers 5, 50, a zone of progressive widening at the level of an inclined surface 7, followed by a widened zone limited by a stop surface 8. And the idle mobile 6 is free in the widened zone in the first relative direction of rotation, and comes to rest against the inclined surface 7 in the second relative direction of rotation.
  • each crazy mobile 6 is a ball.
  • the idle mobiles 6 can take other forms: locking elements that are not rolling but only sliding, of the wedge type, provided that they are unblocked, or even geometries which are not strictly of revolution, for example idler gears.
  • Another variant at conversely, concerns a magnetic retention of a crazy mobile 6, in particular a ball, on one of the cages, and combination with a cam imparting a force allowing take-off and change of position: the cam is then no longer used for maintenance, but upon release.
  • the whole system is on the same axis, the rotary movement comes via a lower pinion constituting the control wheel 2, integral in rotation with the rotor 4, and is transmitted by the cover by means of flanges inclined forming the inclined surfaces 7 and balls, constituting the idle wheels 6, which are blocked on an upper corrector pinion constituting the output mobile 3.
  • the balls are released by the inclined faces and no movement is transmitted .
  • control mobile 2, the output mobile 3, the rotor 4, and each idle mobile 6, are made of non-magnetic material. More particularly, at least one of the control mobile 2, the output mobile 3, the rotor 4, and each idle mobile 6, is made of ceramic material; more particularly still, the control mobile 2, the output mobile 3, the rotor 4, and each idle mobile 6, are made of ceramic material
  • the correcting mechanism 1 comprises, at the level of the output mobile 3 or the control mobile 2, a single pivoting bearing surface 9, which is arranged to cooperate with a structure 90 or plate or bridge of a clockwork mechanism. 100 or a movement 200 to which this correcting mechanism 1 is arranged to be fixed.
  • the invention also relates to a date display mechanism 10 comprising a display mobile 11 and such a correcting mechanism 1.
  • the invention also relates to a timepiece 1000 comprising a date display mechanism 10 comprising a display mobile 11, and a control mobile 2 arranged to be controlled by an action of a user and / or by a user.
  • this timepiece 1000 is a watch.
  • the mechanism according to the invention is a simple and compact (coaxial) system which has a limited number of components.
  • This mechanism has no friction system, and is fixed center distance.
  • mobile 1 and which engages permanently with a toothing 4 of a shaft 5 at least in rotation with the second mobile 2.
  • This at least one satellite 3 engages permanently with a ring 6 constituting another input or output of the differential mechanism 10
  • the control means 20 are here arranged to block the crown 6, to engage the differential mechanism 10, or to fully release the crown 6, to release the differential mechanism 10, depending on the position printed on the control means. 20 by such a selector 30.
  • a lever 21 comprising a first beak 22 at one end, by this first beak 22, lock the teeth of the outer ring 6 of the differential gear, the rotation applied to input 2 is transmitted to output 1.
  • control is controlled by a selector 30 which comprises at least one column wheel 31 arranged to, depending on its angular position, modify the angular position of the rocker 21 that the control means 20 comprise.
  • a selector 30 which comprises at least one column wheel 31 arranged to, depending on its angular position, modify the angular position of the rocker 21 that the control means 20 comprise.
  • Alternative control means can be used, such as shuttle, rocker, or the like.
  • the locking is indirect by elastic return means 40 in the form of a control spring here connected to a frame 7, or to a plate, a bridge or the like, which offers the possibility of a safety release if the transmitted torque becomes greater than the passing torque of the teeth of the ring gear 6 on the control.
  • the control means 20 are returned to the crown 6, to engage the differential mechanism 10, by elastic return means 40 arranged to exert on the crown 6 a meshing or friction torque, the setting of which allows a safety clutch when the torque transmitted from the first mobile 1 to the second mobile 2, or vice versa, is greater than the engagement or friction torque.
  • the ring gear 6 has external toothed teeth so as to allow a safety release in one direction of rotation.
  • the invention also relates to a timepiece movement 500 comprising at least one such transmission mechanism 100.
  • the invention also relates to a timepiece 1000, in particular a watch, comprising at least one such movement 500 and / or comprising at least one such transmission mechanism 100.
  • the invention constitutes an alternative solution to known solutions, and has the advantage of limiting the number of moving components to perform the clutching and disengaging function, in particular in comparison with the clamps of vertical clutches.
  • the invention makes it possible to limit the forces (forces and / or torques) necessary to ensure the engagement and disengagement.
  • the invention can be sized to ensure the transmission of a greater torque, in particular in the case of the construction of a vertical chronograph clutch where the torque is provided by friction.
  • the invention allows the construction of single clutches such as the chronograph clutch: On / Off, and double such as the winding and time-setting mechanisms: function 1 / function 2.
  • the invention also makes it possible to size a torque threshold with safety clutch.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP18163843.8A 2018-03-26 2018-03-26 Mécanisme correcteur d'affichage d'horlogerie Active EP3547043B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18163843.8A EP3547043B1 (fr) 2018-03-26 2018-03-26 Mécanisme correcteur d'affichage d'horlogerie
JP2019038268A JP6740409B2 (ja) 2018-03-26 2019-03-04 計時器の表示修正機構
US16/291,002 US11360433B2 (en) 2018-03-26 2019-03-04 Timepiece display correction mechanism
CN201910227765.1A CN110361956B (zh) 2018-03-26 2019-03-25 钟表显示校正机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18163843.8A EP3547043B1 (fr) 2018-03-26 2018-03-26 Mécanisme correcteur d'affichage d'horlogerie

Publications (2)

Publication Number Publication Date
EP3547043A1 EP3547043A1 (fr) 2019-10-02
EP3547043B1 true EP3547043B1 (fr) 2021-02-17

Family

ID=61768168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18163843.8A Active EP3547043B1 (fr) 2018-03-26 2018-03-26 Mécanisme correcteur d'affichage d'horlogerie

Country Status (4)

Country Link
US (1) US11360433B2 (zh)
EP (1) EP3547043B1 (zh)
JP (1) JP6740409B2 (zh)
CN (1) CN110361956B (zh)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019595A (en) * 1957-08-20 1962-02-06 Murrle Kurt Inertia wound watch with overwind preventer
JP5151637B2 (ja) * 2008-04-10 2013-02-27 セイコーエプソン株式会社 日付表示機構付時計
EP2503410B1 (fr) 2011-03-22 2014-05-21 Montres Breguet SA Mecanisme de calendrier comportant un correcteur rapide de mois
JP6334111B2 (ja) 2012-08-21 2018-05-30 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 時計機構の連結レバーおよび連結装置
CN203773235U (zh) 2013-09-17 2014-08-13 奥米加股份有限公司 钟表显示和校正机构
US9841734B2 (en) 2014-05-14 2017-12-12 Eta Sa Manufacture Horlogere Suisse Timepiece display mechanism with a fast corrector
EP2945026B1 (fr) * 2014-05-14 2018-01-03 ETA SA Manufacture Horlogère Suisse Mécanisme de correction rapide d'horlogerie
CN106662838B (zh) * 2014-06-19 2020-08-04 劳力士有限公司 计时器传动装置
CH710250A2 (fr) * 2014-10-02 2016-04-15 Eta Sa Mft Horlogère Suisse Dispositif de roues coaxiales débrayables d'un mouvement horloger.
EP3032347B1 (fr) * 2014-12-10 2017-06-14 Montres Breguet S.A. Dispositif de remontage mécanique pour une montre
EP3040787B1 (fr) * 2014-12-29 2017-07-19 Montres Breguet S.A. Mécanisme de calendrier d'horlogerie
EP3144743B1 (fr) 2015-09-15 2018-03-14 ETA SA Manufacture Horlogère Suisse Mouvement horloger comprenant un mécanisme de correction de la date
US9851695B1 (en) * 2016-11-14 2017-12-26 Geoffrey H. H. Roth Watch bezel assembly
CN207037340U (zh) 2017-07-19 2018-02-23 天津海鸥表业集团有限公司 一种手表日历的可调定位机构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US11360433B2 (en) 2022-06-14
CN110361956A (zh) 2019-10-22
JP2019174451A (ja) 2019-10-10
CN110361956B (zh) 2020-12-11
US20190294112A1 (en) 2019-09-26
EP3547043A1 (fr) 2019-10-02
JP6740409B2 (ja) 2020-08-12

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