EP3547043B1 - Timepiece display correction mechanism - Google Patents

Timepiece display correction mechanism 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)
French (fr)
Other versions
EP3547043A1 (en
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/en
Priority to JP2019038268A priority patent/JP6740409B2/en
Priority to US16/291,002 priority patent/US11360433B2/en
Priority to CN201910227765.1A priority patent/CN110361956B/en
Publication of EP3547043A1 publication Critical patent/EP3547043A1/en
Application granted granted Critical
Publication of EP3547043B1 publication Critical patent/EP3547043B1/en
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.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme correcteur pour mécanisme d'affichage de quantième d'horlogerie, agencé pour modifier la position angulaire d'un mobile d'affichage que comporte un dit mécanisme d'affichage de quantième, lequel mécanisme correcteur comporte d'une part un mobile de commande agencé pour être commandé par une action d'un utilisateur ou/et par un mécanisme d'horlogerie, et d'autre part un mobile de sortie agencé pour coopérer avec un dit mobile d'affichage, ledit mécanisme correcteur comportant un mécanisme de roue libre qui est agencé pour débrayer ledit mobile de sortie dudit mobile de commande dans un premier sens relatif de rotation, et à embrayer ledit mobile de sortie avec ledit mobile de commande dans un deuxième sens relatif de rotation opposé audit premier sens relatif de rotation.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.

L'invention concerne encore un mécanisme d'affichage de quantième comportant un mobile d'affichage et un tel mécanisme correcteur.The invention also relates to a date display mechanism comprising a display mobile and such a correcting mechanism.

L'invention concerne encore une pièce d'horlogerie comportant un tel mécanisme d'affichage de quantième avec un tel mécanisme correcteur.The invention also relates to a timepiece comprising such a date display mechanism with such a correcting mechanism.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, et plus particulièrement d'affichage de quantième.The invention relates to the field of clockwork display mechanisms, and more particularly date display mechanisms.

Arrière-plan de l'inventionBackground of the invention

Il existe plusieurs systèmes pour la correction d'un afficheur de quantième, qui permettent de corriger dans un sens est de débrayer dans l'autre. On connaît un système à bascule débrayable, où le mécanisme système débraye lors de la rotation inverse et évite l'entraînement du disque de quantième. On connaît encore un système à friction sur trou oblong, dans lequel le mécanisme débraye par la friction lors de la rotation inverse et évite l'entraînement du disque de quantième.There are several systems for correcting a date display, which make it possible to correct in one direction and to disengage in the other. 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.

Les bascules sont encombrantes, et les mécanismes par friction sont consommateurs d'énergie, et générateurs de pollution dans une montre.The scales are bulky, and the friction mechanisms consume energy, and generate pollution in a watch.

Le document EP2503410A2 au nom de MONTRES BREGUET décrit un mécanisme de calendrier comportant un mobile de 31 prévu pour commander un indicateur de quantième, des moyens d'entraînement de quantième prévus pour entraîner le mobile de 31, un mobile de 12 prévu pour commander un indicateur de mois, et des moyens d'entraînement mensuel prévus pour incrémenter le mobile de 12 à la fin de chaque mois, le mobile de 31 étant agencé pour actionner les moyens d'entraînement mensuel lors du passage de la fin d'un mois au premier jour du mois suivant, le mécanisme de calendrier comprenant en outre un dispositif correcteur rapide actionnable manuellement, le dispositif correcteur rapide étant apte à faire avancer d'une traite le mobile de 31 jusqu'à ce que l'indicateur de quantième passe au mois suivant en actionnant au passage les moyens d'entraînement mensuel. Le dispositif correcteur rapide comporte une butée tournante liée cinématiquement au mobile de 31, et un arrêt mobile entre une position active dans laquelle il intercepte la trajectoire de la butée tournante et une position inactive, et ce dispositif correcteur rapide est agencé pour amener l'arrêt en position active et pour faire avancer d'une traite le mobile de 31 jusqu'à ce que l'arrêt stoppe la butée tournante et immobilise le mobile de 31 dans une position angulaire correspondant à l'indication du premier jour du mois.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.

Le document EP2701014 au nom de ROLEX décrit une bascule comprenant au moins un premier élément de guidage en rotation d'un premier mobile, au moins un élément de friction destiné à venir coopérer avec une portion au moins sensiblement cylindrique du premier mobile et au moins un élément élastique destiné à rappeler élastiquement l'au moins un élément de friction en état de coopération avec ladite portion du premier mobile, notamment en contact avec ladite portion du premier mobile.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.

Le document CH710250A2 au nom de ETA décrit un dispositif de roues coaxiales débrayables pour un mouvement horloger, comprenant une roue d'entrée, une roue de sortie, un moyeu, et un mécanisme sautoir comprenant un ressort et des éléments de positionnement définissant un certain nombre de positions angulaires discrètes de la roue d'entrée par rapport à la roue de sortie autour d'un axe de rotation. Les éléments de position comprennent des éléments creux et des éléments saillants, le ressort étant configuré pour appliquer une force élastique poussant les éléments saillants contre les éléments creux pour solidariser les roues en rotation en dessous d'un couple de débrayage. Les éléments saillants et les éléments creux s'étendent dans la direction axiale et le ressort est configuré pour appliquer une force élastique dans la direction axiale.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.

Le document EP2945026A1 au nom de ETA décrit une bascule d'horlogerie pour la transmission d'un mouvement entre, d'une part un mobile émetteur que porte une plaque pivotante que comporte ladite bascule et qui est monté pivotant autour d'un premier axe de pivotement, et d'autre part au moins un mobile récepteur externe à ladite bascule laquelle comporte, monté pivotant autour d'un deuxième axe de pivotement distant dudit premier axe de pivotement, au moins un mobile de transmission porté par la plaque pivotante, la position angulaire du deuxième axe de pivotement du mobile de transmission par rapport au premier axe de pivotement étant variable. Ce mobile émetteur transmet en permanence son mouvement au mobile de transmission qu'il anime d'un mouvement de pivotement autour du deuxième axe de pivotement, et la bascule comporte au moins, ou bien une première liaison à friction entre une première surface de friction du mobile émetteur et une deuxième surface de friction de la plaque pivotante, ou une deuxième liaison à friction entre une troisième surface de friction du mobile de transmission et une quatrième surface de friction de la plaque pivotante.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, and 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.

Résumé de l'inventionSummary of the invention

L'invention se propose de mettre en oeuvre un mécanisme de correction compact, pour effectuer une correction rapide avec un mécanisme unidirectionnel, et se propose d'utiliser un mécanisme de roue libre, tel que connu dans différents domaines de mécanique générale, tels que cycles, machines-outils, convoyage, ou autres, dans lequel le blocage se fait usuellement sur des rouleaux.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.

A cet effet, l'invention concerne un mécanisme correcteur pour un mécanisme d'affichage de quantième d'horlogerie, selon la revendication 1, pour obtenir à la fois un gain de place par rapport à l'art antérieur, et une simplification notable du système de correction, permettant notamment de compacter le système de correction de quantième sans avoir un mobile supplémentaire.To this end, 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.

L'invention concerne encore un mécanisme d'affichage de quantième comportant un mobile d'affichage et un tel mécanisme correcteur.The invention also relates to a date display mechanism comprising a display mobile and such a correcting mechanism.

L'invention concerne encore une pièce d'horlogerie comportant un tel mécanisme d'affichage de quantième avec un tel mécanisme correcteur.The invention also relates to a timepiece comprising such a date display mechanism with such a correcting mechanism.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • la figure 1 représente, de façon schématisée, et en perspective, un mécanisme à friction sur trou oblong de l'art antérieur;
  • la figure 2 représente, de façon similaire à la figure 1, une partie d'un mécanisme de quantième équipé d'un mécanisme correcteur selon l'invention ;
  • la figure 3 est un détail de la figure 2, montant le mécanisme de roue libre incorporé dans le mécanisme correcteur ;
  • la figure 4 est une coupe du mécanisme correcteur passant par l'axe de pivotement du rotor du mécanisme de roue libre ;
  • la figure 4 représente, en vue de dessus, ce mécanisme de roue libre ;
  • la figure 5 est une coupe du mécanisme de roue libre dans un plan perpendiculaire à l'axe de pivotement de son rotor ;
  • les figures 6 et 7 représentent, de façon schématisée, et en perspective, de dessus et de dessous, un mécanisme de quantième équipé de ce mécanisme correcteur ;
  • la figure 8 est un schéma-blocs représentant une montre comportant un mouvement, un mécanisme de quantième, un tel mécanisme correcteur, et un moyen de commande par un utilisateur.
Other characteristics and advantages of the invention will become apparent on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically and in perspective, a friction mechanism on an oblong hole of the prior art;
  • the figure 2 represents, similarly to the figure 1 , part of a date mechanism equipped with a correcting mechanism according to the invention;
  • the figure 3 is a detail of the figure 2 , mounting the freewheel mechanism incorporated in the corrective mechanism;
  • the figure 4 is a section through the corrective mechanism passing through the pivot axis of the rotor of the freewheel mechanism;
  • the figure 4 shows, in top view, this freewheel mechanism;
  • the figure 5 is a section through the freewheel mechanism in a plane perpendicular to the pivot axis of its rotor;
  • the figures 6 and 7 represent, schematically, and in perspective, from above and below, a date mechanism equipped with this correcting mechanism;
  • the figure 8 is a block diagram representing a watch comprising a movement, a date mechanism, such a correcting mechanism, and a means of control by a user.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

L'invention concerne un mécanisme correcteur 1 pour un mécanisme d'affichage de quantième 10 d'horlogerie, lequel comporte un mobile d'affichage 11.The invention relates to a correcting mechanism 1 for a date display mechanism 10 for clockwork, which comprises a display mobile 11.

Le mécanisme correcteur 1 est agencé pour modifier la position angulaire de ce mobile d'affichage 11.The correcting mechanism 1 is arranged to modify the angular position of this display mobile 11.

Le mécanisme correcteur 1 comporte, d'une part un mobile de commande 2 agencé pour être commandé par une action d'un utilisateur ou/et par un mécanisme d'horlogerie 100, et d'autre part un mobile de sortie 3 agencé pour coopérer avec un tel mobile d'affichage 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.

Ce mécanisme correcteur 1 comporte un mécanisme de roue libre, qui est agencé pour débrayer le mobile de sortie 3 du mobile de commande 2 dans un premier sens relatif de rotation, et à embrayer le mobile de sortie 3 avec le mobile de commande 2 dans un deuxième sens relatif de rotation opposé au premier sens relatif de rotation.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.

Selon l'invention, ce mobile de commande 2, ou respectivement ce mobile de sortie 3, est solidaire en rotation d'un rotor 4. Le mobile de sortie 3 ou respectivement le mobile de commande 2 comporte une cavité 30, dans laquelle est mobile en pivotement ce rotor 4. Et ce rotor 4 et/ou cette cavité 30 comporte au moins une première chambre 5, 50, de section variable radialement par rapport à l'axe de pivotement D du rotor 4.According to the invention, 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. And 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.

Et ce mécanisme correcteur 1 comporte au moins un mobile fou 6, tel qu'une bille, un rouleau, ou autre, enfermé dans une telle chambre 5, 50, et dont les dimensions sont agencées pour autoriser sa liberté dans cette chambre 5, 50, dans le premier sens relatif de rotation du rotor 4 par rapport à la cavité 30, et pour provoquer son blocage sur une paroi de la chambre 5, 50, dans le deuxième sens relatif de rotation du rotor 4 par rapport à la cavité 30.And 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.

Dans une variante, le mobile fou 6 est mobile seulement dans un plan perpendiculaire à l'axe de pivotement D du rotor 4.In a variant, the idler 6 is movable only in a plane perpendicular to the pivot axis D of the rotor 4.

Dans une autre variante, le mobile fou 6 est mobile seulement parallèlement à l'axe de pivotement D du rotor 4.In another variant, the idle mobile 6 is mobile only parallel to the pivot axis D of the rotor 4.

Dans une autre variante encore, le mobile fou 6 est mobile à la fois dans un plan perpendiculaire à l'axe de pivotement D du rotor 4 et parallèlement à l'axe de pivotement D du rotor 4.In yet another variant, 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.

Selon une caractéristique particulière, la surface périphérique 40 du rotor 4 constitue, dans chaque chambre 5, une came dans un plan perpendiculaire à un axe de rotation D commun au mobile de sortie 3 et au rotor 4.According to one particular characteristic, 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.

Selon une autre caractéristique particulière, la surface périphérique 40 du rotor 4 constitue, dans chaque chambre 5, une came selon une direction parallèle à un axe de rotation D commun au mobile de sortie 3 et au rotor 4.According to another particular characteristic, 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.

Selon encore une autre caractéristique particulière, la surface périphérique 40 du rotor 4 constitue, dans chaque chambre 5, une came à la fois dans un plan perpendiculaire à un axe de rotation D commun au mobile de sortie 3 et au rotor 4, et selon une direction parallèle à l'axe de rotation D.According to yet another particular characteristic, 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.

Plus particulièrement, et tel que visible sur la figure 5, chaque chambre 5, 50, comporte, dans le même sens circonférentiel que toutes les autres chambres 5, 50, une zone d'élargissement progressif au niveau d'une surface inclinée 7, suivie d'une zone élargie limitée par une surface de butée 8. Et le mobile fou 6 est libre dans la zone élargie dans le premier sens relatif de rotation, et vient en appui de blocage sur la surface inclinée 7 dans le deuxième sens relatif de rotation.More particularly, and as visible on the figure 5 , 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.

Plus particulièrement, chaque mobile fou 6 est une bille. Dans d'autres variantes non illustrées, les mobiles fous 6 peuvent prendre d'autres formes : des éléments bloquants non roulants mais seulement glissants, de type coins, à condition d'en assurer le déblocage, ou encore des géométries qui ne sont pas strictement de révolution, par exemple des pignons fous. Une autre variante, à l'inverse, concerne un maintien magnétique d'un mobile fou 6, notamment une bille, sur l'une des cages, et combinaison avec une came imprimant un effort permettant le décollage et le changement de position: la came ne sert alors plus au maintien, mais au déblocage.More particularly, each crazy mobile 6 is a ball. In other variants not shown, 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.

Sur la variante particulière illustrée par les figures, tout le système est sur un même axe, le mouvement rotatif vient par un pignon inférieur constituant le mobile de commande 2, solidaire en rotation du rotor 4, et est transmis par le couvercle au moyen de pans inclinés constituant les surfaces inclinées 7 et des billes, constituant les mobiles fous 6,qui se bloquent sur un pignon correcteur supérieur constituant le mobile de sortie 3. Dans le sens inverse les billes sont libérées par les pans inclinés et aucun mouvement n'est transmis.In the particular variant illustrated by the figures, 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. In the opposite direction, the balls are released by the inclined faces and no movement is transmitted .

Selon une caractéristique particulière, le mobile de commande 2, le mobile de sortie 3, le rotor 4, et chaque mobile fou 6, sont en matériau amagnétique. Plus particulièrement, au moins l'un parmi le mobile de commande 2, le mobile de sortie 3, le rotor 4, et chaque mobile fou 6, est en matériau céramique ; plus particulièrement encore, le mobile de commande 2, le mobile de sortie 3, le rotor 4, et chaque mobile fou 6, sont en matériau céramiqueAccording to one particular characteristic, the 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

Plus particulièrement, le mécanisme correcteur 1 comporte, au niveau du mobile de sortie 3 ou du mobile de commande 2, une portée 9 unique de pivotement, qui est agencée pour coopérer avec une structure 90 ou platine ou pont d'un mécanisme d'horlogerie 100 ou d'un mouvement 200 auquel ce mécanisme correcteur 1 est agencé pour être fixé.More particularly, 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.

L'invention concerne encore un mécanisme d'affichage de quantième 10 comportant un mobile d'affichage 11 et un tel mécanisme correcteur 1.The invention also relates to a date display mechanism 10 comprising a display mobile 11 and such a correcting mechanism 1.

L'invention concerne encore une pièce d'horlogerie 1000 comportant un mécanisme d'affichage de quantième 10 comportant un mobile d'affichage 11, et un mobile de commande 2 agencé pour être commandé par une action d'un utilisateur et/ou par un mécanisme d'horlogerie 100 que comporte la pièce d'horlogerie 1000, et/ou par un mouvement 200 que comporte la pièce d'horlogerie 1000, laquelle comporte un tel mécanisme correcteur 1, qui est plus particulièrement agencé pour corriger la position du mobile d'affichage 11 pour modifier l'affichage du quantième.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. clockwork mechanism 100 that the timepiece 1000 comprises, and / or by a movement 200 that the timepiece 1000 comprises, which comprises such a correcting mechanism 1, which is more particularly arranged to correct the position of the mobile d 'display 11 to modify the date display.

Plus particulièrement, cette pièce d'horlogerie 1000 est une montre.More particularly, this timepiece 1000 is a watch.

Le mécanisme selon l'invention est un système simple et compact (coaxial), qui comporte un nombre de composants limité. Ce mécanisme est dépourvu de système à friction, et est à entraxe fixe.
mobile 1, et qui engrène en permanence avec une denture 4 d'un arbre 5 solidaire au moins en rotation du deuxième mobile 2. Cet au moins un satellite 3 engrène en permanence avec une couronne 6 constituant une autre entrée ou sortie du mécanisme différentiel 10. Les moyens de commande 20 sont ici agencés pour bloquer la couronne 6, pour réaliser l'embrayage du mécanisme différentiel 10, ou pour libérer entièrement la couronne 6, pour réaliser le débrayage du mécanisme différentiel 10, selon la position imprimée aux moyens de commande 20 par un tel sélecteur 30.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.

Lorsque le sélecteur 30 et les moyens de commande 20, qui comportent, non limitativement sur la réalisation particulière illustrée par les figures, une bascule 21 comportant un premier bec 22 à une extrémité, verrouillent par ce premier bec 22 la denture de la couronne 6 extérieure du rouage différentiel, la rotation appliquée à l'entrée 2 est transmise à la sortie 1.When the selector 30 and the control means 20, which comprise, without limitation on the particular embodiment illustrated by the figures, 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.

Lorsque le sélecteur 30 et les moyens de commande 20 déverrouillent la denture de la couronne 6 extérieure du rouage différentiel, la rotation appliquée à l'entrée 2 est transmise à la couronne 6 du différentiel qui n'est plus verrouillée, peut alors tourner librement, et supprimer la transmission de couple vers la sortie 1.When the selector 30 and the control means 20 unlock the teeth of the outer ring gear 6 of the differential gear, the rotation applied to the input 2 is transmitted to the ring gear 6 of the differential which is no longer locked, can then rotate freely, and remove torque transmission to output 1.

Dans cet exemple non limitatif, la commande est pilotée par un sélecteur 30 qui comporte au moins une roue à colonnes 31 agencée pour, selon sa position angulaire, modifier la position angulaire de la bascule 21 que comportent les moyens de commande 20. D'autres moyens de commande alternatifs sont utilisables, tels que navette, bascule, ou autre.In this non-limiting example, the 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. Alternative control means can be used, such as shuttle, rocker, or the like.

Dans la réalisation illustrée par les figures 1 et 3, le verrouillage est indirect par des moyens de rappel élastique 40 sous la forme d'un ressort de commande ici relié à un bâti 7, ou à une platine, un pont ou similaire, ce qui offre la possibilité d'un débrayage de sécurité si le couple transmis devient supérieur au couple de passage des dents de la couronne 6 sur la commande. Ainsi les moyens de commande 20 sont rappelés vers la couronne 6, pour réaliser l'embrayage du mécanisme différentiel 10, par des moyens de rappel élastique 40 agencés pour exercer sur la couronne 6 un couple d'engrènement ou de friction, dont le tarage autorise un débrayage de sécurité quand le couple transmis du premier mobile 1 au deuxième mobile 2, ou réciproquement, est supérieur au couple d'engrènement ou de friction.In the embodiment illustrated by figures 1 and 3 , 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. Thus 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.

Dans une variante avantageuse, et tel que visible sur la figure 3, la couronne 6 comporte une denture extérieure à dents de loup de façon à permettre un débrayage de sécurité dans un sens de rotation.In an advantageous variant, and as visible on the figure 3 , the ring gear 6 has external toothed teeth so as to allow a safety release in one direction of rotation.

L'invention concerne encore un mouvement d'horlogerie 500 comportant au moins un tel mécanisme de transmission 100.The invention also relates to a timepiece movement 500 comprising at least one such transmission mechanism 100.

L'invention concerne encore une pièce d'horlogerie 1000, en particulier une montre, comportant au moins un tel mouvement 500 et/ou comportant au moins un tel mécanisme de transmission 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.

En somme, l'invention constitue une solution alternative aux solutions connues, et présente l'avantage de limiter le nombre de composants en mouvement pour réaliser la fonction d'embrayage et débrayage, en particulier en comparaison avec les pinces des embrayages verticaux.In short, 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.

L'invention permet de limiter les efforts (forces et/ou couples) nécessaires pour assurer l'embrayage et le débrayage.The invention makes it possible to limit the forces (forces and / or torques) necessary to ensure the engagement and disengagement.

L'invention peut être dimensionnée pour assurer la transmission d'un couple plus important, notamment dans le cas de la construction d'un embrayage vertical de chronographe où le couple est assuré par une friction.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.

L'invention permet la construction d'embrayages simples comme l'embrayage de chronographe: On/Off, et doubles comme les mécanismes de remontage et mise à l'heure: fonction 1 / fonction 2.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.

L'invention permet, encore, de dimensionner un seuil de couple avec débrayage de sécurité.The invention also makes it possible to size a torque threshold with safety clutch.

Claims (15)

  1. Correction mechanism (1) for a timepiece date display mechanism (10), arranged to change the angular position of a display mobile component (11) included in a said date display mechanism (10), said correction mechanism (1) includes, on the one hand, a control mobile component (2) arranged to be controlled by user action and/or by a timepiece mechanism (100), and on the other hand an output mobile component (3) arranged to cooperate with a said display mobile component (11), said correction mechanism (1) including a freewheel mechanism which is arranged to disengage said output mobile component (3) from said control mobile component (2) in a first relative direction of rotation, and to engage said output mobile component (3) with said control mobile component (2) in a second relative direction of rotation opposite to said first relative direction of rotation, characterised in that said control mobile component (2) or respectively said output mobile component (3) is integral in rotation with a rotor (4), in that said output mobile component (3) or respectively said control mobile component (2) includes a cavity (30) inside which said rotor (4) can pivot, and in that said rotor (4) and/or said cavity (30) includes at least a first chamber (5; 50) with a cross-section variable radially with respect to the pivot axis (D) of said rotor (4),and in that said correction mechanism (1) includes at least one loose mobile component (6) enclosed inside a said chamber (5; 50), and the dimensions of which are arranged to allow said loose mobile component freedom inside said chamber (5; 50) in said first relative direction of rotation of said rotor (4) with respect to said cavity (30), and to cause said loose mobile component to lock on a wall of said chamber (5; 50) in said second relative direction of rotation of said rotor (4) with respect to said cavity (30).
  2. Correction mechanism (1) according to claim 1, characterised in that said loose mobile component (6) is movable only in a plane perpendicular to said pivot axis (D) of said rotor (4).
  3. Correction mechanism (1) according to claim 1, characterised in that said loose mobile component (6) is movable only parallel to said pivot axis (D) of said rotor (4).
  4. Correction mechanism (1) according to claim 1, characterised in that said loose mobile component (6) is movable both in a plane perpendicular to said pivot axis (D) of said rotor (4) and parallel to said pivot axis (D) of said rotor (4).
  5. Correction mechanism (1) according to claim 2, characterised in that the peripheral surface (40) of said rotor (4) forms a cam in each said chamber (5), in a plane perpendicular to an axis of rotation (D) common to said output mobile component (3) and to said rotor (4).
  6. Correction mechanism (1) according to claim 3, characterised in that the peripheral surface (40) of said rotor (4) forms a cam in each said chamber (5), in a direction parallel to an axis of rotation (D) common to said output mobile component (3) and to said rotor (4).
  7. Correction mechanism (1) according to claim 4, characterised in that the peripheral surface (40) of said rotor (4) forms a cam in each said chamber (5), both in a plane perpendicular to an axis of rotation (D) common to said output mobile component (3) and to said rotor (4), and in a direction parallel to said axis of rotation (D).
  8. Correction mechanism (1) according to one of claims 1 to7, characterised in that each said chamber (5; 50) including, in the same circumferential direction as all the other said chambers (5; 50), a progressive enlargement area on an inclined surface (7), followed by an enlarged area delimited by a stop surface (8), and in that said loose mobile component (6) is free in said enlarged area in said first relative direction of rotation, and in locking abutment on said inclined surface (7) in said second relative direction of rotation.
  9. Correction mechanism (1) according to one of claims 1 to 8, characterised in that each said free mobile component (6) is a ball.
  10. Correction mechanism (1) according to one of claims 1 to 9, characterised in that said control mobile component (2), said output mobile component (3), said rotor (4) and each said loose mobile component (6), are made of non-magnetic material.
  11. Correction mechanism (1) according to claim 10, characterised in that said control mobile component (2), said output mobile component (3), said rotor (4) and each said loose mobile component (6) are made of ceramic material.
  12. Correction mechanism (1) according to one of claims 1 to 11, characterised in that said correction mechanism (1) includes, on said output mobile component (3) or said control mobile component (2), a single pivot shoulder (9) arranged to cooperate with a structure (90) or plate or bridge of a timepiece mechanism (100) or of a movement (200) to which said correction mechanism (1) is arranged to be fixed.
  13. Date display mechanism (10) including a display mobile component (11) and a correction mechanism (1) according to one of claims 1 to 12.
  14. Timepiece (1000) including a date display mechanism (10) including a display mobile component (11), and a control mobile component (2) arranged to be controlled by user action and/or by a timepiece mechanism (100) included in said timepiece (1000) and/or by a movement (200) included in said timepiece (1000), which includes a correction mechanism (1) according to one of claims 1 to 12, arranged to correct the position of said display mobile component (11) to change the date display.
  15. Timepiece (1000) according to claim 14, characterised in that it is a watch.
EP18163843.8A 2018-03-26 2018-03-26 Timepiece display correction mechanism Active EP3547043B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18163843.8A EP3547043B1 (en) 2018-03-26 2018-03-26 Timepiece display correction mechanism
JP2019038268A JP6740409B2 (en) 2018-03-26 2019-03-04 Display correction mechanism of timer
US16/291,002 US11360433B2 (en) 2018-03-26 2019-03-04 Timepiece display correction mechanism
CN201910227765.1A CN110361956B (en) 2018-03-26 2019-03-25 Clock display correction mechanism

Applications Claiming Priority (1)

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EP18163843.8A EP3547043B1 (en) 2018-03-26 2018-03-26 Timepiece display correction mechanism

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EP3547043B1 true EP3547043B1 (en) 2021-02-17

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

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