EP3410231A1 - Clock mechanism - Google Patents

Clock mechanism Download PDF

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Publication number
EP3410231A1
EP3410231A1 EP17173324.9A EP17173324A EP3410231A1 EP 3410231 A1 EP3410231 A1 EP 3410231A1 EP 17173324 A EP17173324 A EP 17173324A EP 3410231 A1 EP3410231 A1 EP 3410231A1
Authority
EP
European Patent Office
Prior art keywords
locking member
locked
lever
input
segment
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.)
Granted
Application number
EP17173324.9A
Other languages
German (de)
French (fr)
Other versions
EP3410231B1 (en
Inventor
Sebastián ALAGON CARRILLO
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 EP17173324.9A priority Critical patent/EP3410231B1/en
Priority to US15/972,285 priority patent/US10606215B2/en
Priority to JP2018097677A priority patent/JP6533851B2/en
Priority to CN201810520986.3A priority patent/CN108931911B/en
Publication of EP3410231A1 publication Critical patent/EP3410231A1/en
Application granted granted Critical
Publication of EP3410231B1 publication Critical patent/EP3410231B1/en
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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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
    • 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
    • G04B13/005—Gearwork where a revolution in both directions is changed into a revolution in one direction
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
    • G04B5/181—The bearing of the rocking bar is in the centre of rotation combined with a support or guide arrangement
    • 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
    • G04B13/001—Gearwork with the choice of adjustable or varying transmission ratio
    • 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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
    • G04B5/14—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited acting in both directions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G3/00—Devices in which the computing operation is performed mechanically
    • G06G3/04—Devices in which the computing operation is performed mechanically for performing multiplications or divisions, e.g. variable-ratio gearing

Definitions

  • the present invention relates to the field of watchmaking. It relates more particularly to a clockwork mechanism capable of performing a mathematical operation.
  • Inverters are known which make it possible to automatically transform the bidirectional rotary motion of the oscillating mass into a unidirectional rotational movement intended for winding the barrel. It is an object of the present invention to provide an inverting mechanism that is capable of transforming, on demand, an input function into an output function that varies in a similar or inverted manner to the input function. For this purpose, the mechanism is able to provide an output value equal to or opposite to an input value.
  • the angular position of the input segment represents the input value of the mechanism
  • the angular position of the output segment represents an output value that varies similarly to the input value when the first locking member is in the unlocked position and inversely varying from this value when the first locking member is in the locked position.
  • the mechanism thus described makes it possible to supply, on demand, an output value equal to or opposite to an input value.
  • the mechanism comprises a first return means tending to keep the first locking member bearing against the control device.
  • the mechanism comprises a desmodromic connection between the control device and the first locking member.
  • the mechanism comprises a second return means tending to keep the second locking member in its locked position.
  • the first locking member is arranged to move the second locking member in its unlocked position when the first locking member moves into its locked position.
  • the input segment is secured to a probe arranged to follow the profile of a cam intended to be rotated by a clockwork mechanism controlled by a watch movement or by a user.
  • the output segment is integral with a sector geared to transmit the output value represented by the angular position of the output segment.
  • the lever comprises an oblong opening extending in a radial direction with reference to the pivot axis and at least partially housing a pin pivotally connecting by their top, constituted by the second vertex, the third and fourth segments of the rhombus.
  • the second locking member is pivoted on the lever and comprises a hook cooperating with the pin so as to lock the pin in translation in the radial direction.
  • the first locking member is pivoted and comprises a notch cooperating with the lever so as to lock the lever in rotation about the pivot axis.
  • a first embodiment of a watch mechanism according to the invention is represented in different positions on the Figures 1 to 5 .
  • the mechanism of the invention is intended to be mounted on a watch movement, either in an integrated manner or in a modular manner.
  • the mechanism aims to transform, on demand, an input value into an output value that varies in a similar or inverted way to the input value. It is for that reason likely to be in two states, an inverter state as represented on the Figures 1 and 2 and a follower state as represented on the figures 4 and 5 .
  • the particular position of the mechanism represented in figure 3 is the one in which the mechanism is likely to change state.
  • the mechanism comprises a diamond-shaped deformable structure ABCD, comprising four coplanar segments connected in pairs by their vertices pivotally.
  • the ABCD diamond has an AD input segment adjacent to an AB output segment, both rotated around a pivot axis X perpendicular to the plane of the diamond and passing through a first vertex A which is common to the input and output segments AB and which is locked in translation in the plane of the diamond ABCD. This means that the vertex A remains fixed in contrast to the other three vertices that can move in the plane of the ABCD rhombus.
  • the mechanism also comprises a lever 1 pivotally mounted about the pivot axis X, the lever 1 being kinematically connected in rotation, about the pivot axis X, to a second vertex C of the diamond, opposite to the first vertex A.
  • the lever 1 comprises an oblong opening 12 extending in a radial direction with reference to the pivot axis X and at least partially housing a pin 8 pivotally connecting, by their apex, that is to say the second top C, the third DC and fourth CB segments of the diamond.
  • the oblong opening 12 has a width substantially equal to the diameter of the pin 8 and constitutes a slide in which the pin 8 can slide. It is obvious that any equivalent slide link system can be used, for example the oblong opening and the pin can be replaced by two pins flanking a parallel segment.
  • the mechanism also comprises a first locking member 2 in the form of a pivoting arm whose one end is provided with a notch 10 arranged to cooperate with the end of the lever 1.
  • the first locking member 2 is able to move between a position locked, in which the notch 10 covers the end of the lever 1 so as to lock the lever 1 in rotation about the pivot axis X, and an unlocked position in which the first locking member 2 does not hinder the rotation of the lever 1.
  • the mechanism also comprises a second locking member 3, pivoted in Y on the lever 1 and one end has a hook 9 adapted to cooperate with the pin 8 so as to lock the pin 8 in translation in the radial direction.
  • the second locking member 3 is able to move between a locked position, in which the second vertex C is locked in translation in a radial direction with reference to the pivot axis X, and an unlocked position in which the second locking member 3 does not interfere with the radial displacement of the second vertex C.
  • the mechanism further comprises a first return means not shown, tending to maintain the first locking member 2 against a control device 4, described below.
  • the first return means is a resilient return means
  • a desmodromic connection can be used between the control device 4 and the first locking member 2.
  • a second biasing means tends to hold the second locking member 3 in its locked position as shown in FIG. Figures 3 to 6 .
  • the action of the second return means allows the second locking member to lock the pin 8 in translation in the radial direction.
  • the second return means may, for example, be an elastic means or a magnetic means.
  • the mechanism is arranged so that there is always only one of the first and second locking members 2, 3 in the locked position, the other of the first and second locking members 2, 3 then being in position. unlocked position.
  • the mechanism is in its inverter state when the first locking member is locked, and in its follower state when the second member is locked.
  • the movements of the first 2 and second 3 locking members, corresponding to changes in the state of the mechanism are performed in a synchronized manner.
  • the first locking member 2 comprises a stop 11 intended to cooperate with a lever arm 15 that comprises the second locking member 3, in order to move the second locking member 3 in its unlocked position when the first locking member 2 moves to its locked position.
  • the second locking member 3 moves into its locked position under the action of the second return means.
  • the mechanism also comprises the control device 4 which is able to control the displacement of the first locking member 2 between its locked and unlocked positions.
  • the control device 4 is here made using a Maltese cross 13 rotated by an indexing finger 14 intended to be itself driven by the movement.
  • the displacement of the first locking member 2 by the control device 4 occurs when the lever 1 and the pin 8 are in a particular position called permutation, as shown in FIG. figure 3 .
  • the angular position of the input segment AD is governed by the displacement of a probe 5, integral with the input segment AD, and arranged to follow the profile of a cam 6 intended to be rotated by a watch movement.
  • the input segment AD could also be integral with a sector gear able to receive the input value represented by the angular position of the input segment AD.
  • the output segment AB is secured to a toothed sector 7 adapted to mesh with a toothed wheel or a rack to transmit the output value of the mechanism.
  • the figure 6 represents a schematic diagram of the mechanism in its inverter state, the diagonal AC of the diamond ABCD being locked in rotation around the axis X.
  • the angular position ⁇ of the input segment AD represents the input value of the mechanism whereas the output value is represented by the angular position ⁇ of the output segment AB.
  • the permutation value p corresponds to values of 45 ° for the angles ⁇ and ⁇ , which means that the diamond ABCD is a square when the mechanism is in the follower state.
  • the ABCD diamond rotates in one piece around the pivot axis X so that the output value varies similarly to the input value.
  • the output value ⁇ is equal to the input value ⁇ .
  • the output value ⁇ varies inversely with the input value ⁇ .
  • the change of state occurs at the permutation value p which is not necessarily zero.
  • the output value can be transmitted using gear sector 7 to another mechanism or display device.
  • a display means such as a marker, integral with the output segment AB and able to indicate the output value represented by the angular position of the output segment AB.
  • the permutation from one state to the other of the mechanism can only occur at the permutation value p in the configuration of the figure 3 , it is preferable that the control device 4 is synchronized with the displacement of the cam 6.
  • the figure 7 gives an illustration of the inversion of a function by the inverting mechanism. The change of state occurs at a time t p .
  • the left part of the graph corresponds to the follower state in which the input value ⁇ coincides with the output value ⁇ .
  • the left part of the graph corresponds to the inverter state in which the output value ⁇ varies inversely with the input value ⁇ around the permutation value p.
  • the ABCD diamond is integrally formed, each segment of the rhombus being connected to the adjacent segments by flexible elements acting as a pivot.
  • the pivot axis X is also a virtual pivot axis formed by two deformable flexible arms connecting the input segment AD to a fixed base.
  • the lever 1 and the first and second locking members 2, 3 can also be pivoted using virtual pivots.
  • the present invention covers all combinations using physical pivots or virtual pivots.
  • the Figures 9a and 9b present the lever 1 and the first and second locking members 2, 3 of a second embodiment of the invention. Unlike the first embodiment presented, the permutation value p is here variable.
  • the figure 9a corresponds to the inverter state of the mechanism in which the first locking member 2 is in a locked position.
  • the first locking member 2 comprises a tip 16 which is housed between two teeth of a toothing 17 secured to the lever 1. Upon penetrating the toothing 17, the tip 16 presses on a lever arm 15 that includes the second locking member 3 which holds it in an unlocked position in which the pin 8 is free to move radially with reference to the pivot axis X.
  • the figure 9b corresponds to the follower state in which the second locking member 3 is in a locked position.
  • the second locking member 3 comprises a rack 18 whose toothing cooperates with the pin 8 to lock it in translation when the first locking member 2 is placed in its unlocked position.
  • the first 2 and second 3 locking members comprise a plurality of notches respectively hooks.
  • the permutation value is variable.
  • the adjustment can be made by the movement or by the user according to a suitable adjustment device.
  • the values of permutations here take values varying in discrete steps but it is also possible to envisage a continuous variation by reducing the value of the pitch.
  • the mechanism according to the invention makes it possible to selectively invert an input function. Many applications of this mechanism are conceivable.
  • a retrograde display can alternate its movement.
  • the reference means of the retrograde display can evolve together with the permutation.
  • a pusher correction device can act in both directions of correction depending on the state in which one chooses to place the mechanism, the permutation being effected when the correction device is at rest.
  • the present invention is not limited to the illustrated example and is susceptible of various variations and modifications which will become apparent to those skilled in the art.
  • the roles of the segments AD and AB can be reversed, the segment AD then being an output segment and the segment AB being an input segment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electric Clocks (AREA)
  • Transmission Devices (AREA)
  • Mechanical Control Devices (AREA)

Abstract

Le mécanisme d'horlogerie comporte :
- un losange (ABCD) déformable, comportant quatre segments coplanaires reliés deux à deux par leurs sommets de façon pivotante, dont un segment d'entré (AD) adjacent à un segment de sortie (AB), tous deux pivotés autour d'un axe de pivot (X) perpendiculaire au plan du losange et passant par un premier sommet (A) commun aux segments d'entrée (AD) et de sortie (AB) et bloqué en translation dans le plan du losange (ABCD),
- un levier (1) monté pivotant autour de l'axe de pivot (X), le levier (1) étant cinématiquement lié en rotation, autour de l'axe de pivot (X), à un deuxième sommet (C) du losange, opposé au premier sommet (A),
- un premier organe de blocage (2) apte à se déplacer entre une position verrouillée, dans laquelle le levier (1) est bloqué en rotation autour de l'axe de pivot (X), et une position déverrouillée dans laquelle le premier organe de blocage (2) n'entrave pas la rotation du levier (1),
- un second organe de blocage (3) apte à se déplacer entre une position verrouillée, dans laquelle le deuxième sommet (C) est bloqué en translation selon une direction radiale en référence à l'axe de pivot (X), et une position déverrouillée dans laquelle le second organe de blocage (3) n'entrave pas le déplacement radial du deuxième sommet (C), le mécanisme étant agencé de manière à ce que l'un des organes de blocage (2, 3) se trouve en position verrouillée lorsque l'autre est en position déverrouillée,
- un dispositif de commande (4) apte à commander le déplacement du premier organe de blocage (2) entre ses positions verrouillée et déverrouillée.The clockwork mechanism comprises:
a deformable rhombus (ABCD), comprising four coplanar segments pivotally connected to each other vertically, including an input segment (AD) adjacent to an output segment (AB), both pivoted about an axis pivot (X) perpendicular to the diamond plane and passing through a first vertex (A) common to the input (AD) and output (AB) segments and locked in translation in the rhombic plane (ABCD),
- A lever (1) pivotally mounted about the pivot axis (X), the lever (1) being kinematically rotatably connected about the pivot axis (X) to a second vertex (C) of the rhombus opposite to the first vertex (A),
a first locking member (2) able to move between a locked position, in which the lever (1) is locked in rotation around the pivot axis (X), and an unlocked position in which the first locking member blocking (2) does not interfere with the rotation of the lever (1),
a second locking member (3) able to move between a locked position, in which the second vertex (C) is locked in translation in a radial direction with reference to the pivot axis (X), and an unlocked position in which the second locking member (3) does not impede the radial displacement of the second vertex (C), the mechanism being arranged in such a way that one of the locking members (2, 3) is in the locked position when the other is in the unlocked position,
- A control device (4) adapted to control the movement of the first locking member (2) between its locked and unlocked positions.

Ainsi, la position angulaire du segment d'entrée (AD) représentant la valeur d'entrée du mécanisme, la position angulaire du segment de sortie (AB) représente une valeur de sortie variant similairement à la valeur d'entrée lorsque le premier organe de blocage (2) est en position déverrouillée et variant à l'inverse de cette valeur lorsque le premier organe de blocage (2) est en position verrouillée.Thus, the angular position of the input segment (AD) representing the input value of the mechanism, the angular position of the output segment (AB) represents an output value varying similarly to the input value when the first input member blocking (2) is in the unlocked position and varies inversely with this value when the first locking member (2) is in the locked position.

Dans une réalisation particulière le mécanisme permet de fournir, à la demande, une valeur de sortie égale ou opposée à la valeur d'entrée.

Figure imgaf001
In a particular embodiment, the mechanism makes it possible, on demand, to supply an output value equal to or opposite to the input value.
Figure imgaf001

Description

Domaine de l'inventionField of the invention

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne plus particulièrement un mécanisme d'horlogerie capable de réaliser une opération mathématique.The present invention relates to the field of watchmaking. It relates more particularly to a clockwork mechanism capable of performing a mathematical operation.

Arrière-plan de l'inventionBackground of the invention

On connait les inverseurs qui permettent de transformer automatiquement le mouvement rotatif bidirectionnel de la masse oscillante en un mouvement de rotation unidirectionnel destiné à l'armage du barillet. La présente invention se propose de présenter un mécanisme inverseur qui soit capable de transformer, à la demande, une fonction d'entrée en une fonction de sortie variant d'une façon similaire ou inversée à la fonction d'entrée. A cette fin, le mécanisme est apte à fournir une valeur de sortie égale ou opposée à une valeur d'entrée.Inverters are known which make it possible to automatically transform the bidirectional rotary motion of the oscillating mass into a unidirectional rotational movement intended for winding the barrel. It is an object of the present invention to provide an inverting mechanism that is capable of transforming, on demand, an input function into an output function that varies in a similar or inverted manner to the input function. For this purpose, the mechanism is able to provide an output value equal to or opposite to an input value.

Résumé de l'inventionSummary of the invention

De façon plus précise, l'invention concerne un mécanisme d'horlogerie comportant :

  • un losange déformable, comportant quatre segments coplanaires reliés deux à deux par leurs sommets de façon pivotante, dont un segment d'entrée adjacent à un segment de sortie, tous deux pivotés autour d'un axe de pivot perpendiculaire au plan du losange et passant par un premier sommet qui est commun aux segments d'entrée et de sortie et qui est bloqué en translation dans le plan du losange,
  • un levier monté pivotant autour de l'axe de pivot, le levier étant cinématiquement lié en rotation, autour de l'axe de pivot, à un deuxième sommet du losange, opposé au premier sommet,
  • un premier organe de blocage apte à se déplacer entre une position verrouillée, dans laquelle le levier est bloqué en rotation autour de l'axe de pivot, et une position déverrouillée dans laquelle le premier organe de blocage n'entrave pas la rotation du levier,
  • un second organe de blocage apte à se déplacer entre une position verrouillée, dans laquelle le deuxième sommet est bloqué en translation selon une direction radiale en référence à l'axe de pivot, et une position déverrouillée dans laquelle le second organe de blocage n'entrave pas le déplacement radial du deuxième sommet, le mécanisme étant agencé de manière à ce que l'un des premier et second organes de blocage se trouve en position verrouillée lorsque l'autre des premier et second organes de blocage est en position déverrouillée,
  • un dispositif de commande apte à commander le déplacement du premier organe de blocage entre ses positions verrouillée et déverrouillée.
More specifically, the invention relates to a clockwork mechanism comprising:
  • a deformable rhombus, having four coplanar segments pivotally connected to each other by two vertices, including an input segment adjacent to an output segment, both pivoted about a pivot axis perpendicular to the diamond plane and passing through a first vertex which is common to the input and output segments and which is locked in translation in the plane of the rhombus,
  • a lever pivotally mounted about the pivot axis, the lever being kinematically rotatably connected about the pivot axis to a second vertex of the diamond opposite the first vertex,
  • a first locking member adapted to move between a locked position, in which the lever is locked in rotation about the pivot axis, and an unlocked position in which the first locking member does not impede the rotation of the lever,
  • a second locking member adapted to move between a locked position, in which the second vertex is locked in translation in a radial direction with reference to the pivot axis, and an unlocked position in which the second locking member does not obstruct not the radial displacement of the second vertex, the mechanism being arranged so that one of the first and second locking members is in the locked position when the other of the first and second locking members is in the unlocked position,
  • a control device adapted to control the movement of the first locking member between its locked and unlocked positions.

Ainsi, la position angulaire du segment d'entrée représentant la valeur d'entrée du mécanisme, la position angulaire du segment de sortie représente une valeur de sortie variant similairement à la valeur d'entrée lorsque le premier organe de blocage est en position déverrouillée et variant à l'inverse de cette valeur lorsque le premier organe de blocage est en position verrouillée.Thus, since the angular position of the input segment represents the input value of the mechanism, the angular position of the output segment represents an output value that varies similarly to the input value when the first locking member is in the unlocked position and inversely varying from this value when the first locking member is in the locked position.

Le mécanisme ainsi décrit permet de fournir, à la demande, une valeur de sortie égale ou opposée à une valeur d'entrée.The mechanism thus described makes it possible to supply, on demand, an output value equal to or opposite to an input value.

Selon un aspect avantageux de l'invention, le mécanisme comporte un premier moyen de rappel tendant à maintenir le premier organe de blocage en appui contre le dispositif de commande.According to an advantageous aspect of the invention, the mechanism comprises a first return means tending to keep the first locking member bearing against the control device.

Selon un autre aspect avantageux de l'invention, le mécanisme comporte une liaison desmodromique entre le dispositif de commande et le premier organe de blocage.According to another advantageous aspect of the invention, the mechanism comprises a desmodromic connection between the control device and the first locking member.

Selon un autre aspect avantageux, le mécanisme comporte un second moyen de rappel tendant à maintenir le second organe de blocage dans sa position verrouillée.According to another advantageous aspect, the mechanism comprises a second return means tending to keep the second locking member in its locked position.

Selon un autre aspect avantageux de l'invention, le premier organe de blocage est agencé pour déplacer le second organe de blocage dans sa position déverrouillée lorsque le premier organe de blocage se déplace dans sa position verrouillée.According to another advantageous aspect of the invention, the first locking member is arranged to move the second locking member in its unlocked position when the first locking member moves into its locked position.

Selon un autre aspect avantageux de l'invention, le segment d'entrée est solidaire d'un palpeur agencé pour suivre le profil d'une came destinée à être entraînée en rotation par un mécanisme d'horlogerie commandé par un mouvement horloger ou par un utilisateur.According to another advantageous aspect of the invention, the input segment is secured to a probe arranged to follow the profile of a cam intended to be rotated by a clockwork mechanism controlled by a watch movement or by a user.

Selon un autre aspect avantageux de l'invention, le segment de sortie est solidaire d'un secteur denté apte à transmettre la valeur de sortie représentée par la position angulaire du segment de sortie.According to another advantageous aspect of the invention, the output segment is integral with a sector geared to transmit the output value represented by the angular position of the output segment.

Selon un autre aspect avantageux de l'invention, le levier comporte une ouverture oblongue s'étendant dans une direction radiale en référence à l'axe de pivot et logeant au moins partiellement une goupille connectant de façon pivotante par leur sommet, constitué par le deuxième sommet, les troisième et quatrième segments du losange.According to another advantageous aspect of the invention, the lever comprises an oblong opening extending in a radial direction with reference to the pivot axis and at least partially housing a pin pivotally connecting by their top, constituted by the second vertex, the third and fourth segments of the rhombus.

Selon un autre aspect avantageux de l'invention, le deuxième organe de blocage est pivoté sur le levier et comporte un crochet coopérant avec la goupille de façon à pouvoir bloquer la goupille en translation selon la direction radiale.According to another advantageous aspect of the invention, the second locking member is pivoted on the lever and comprises a hook cooperating with the pin so as to lock the pin in translation in the radial direction.

Selon un autre aspect avantageux de l'invention, le premier organe de blocage est pivoté et comporte une encoche coopérant avec le levier de façon à pouvoir bloquer le levier en rotation autour de l'axe de pivot.According to another advantageous aspect of the invention, the first locking member is pivoted and comprises a notch cooperating with the lever so as to lock the lever in rotation about the pivot axis.

Description sommaire des dessinsBrief description of the drawings

D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence aux dessins annexés dans lesquels :

  • les figures 1 à 5 représentent un premier mode de réalisation d'un mécanisme de l'invention dans différentes positions,
  • la figure 6 représente une vue schématique du mécanisme dans l'état inverseur,
  • la figure 7 représente un graphe de fonctions entrée et sortie du mécanisme,
  • la figure 8 représente une variante d'exécution du premier mode de réalisation, et
  • les figures 9a et 9b représentent le levier et les premier et deuxième organes de blocage d'un deuxième mode de réalisation de l'invention.
Other details of the invention will appear more clearly on reading the description which follows, made with reference to the appended drawings in which:
  • the Figures 1 to 5 represent a first embodiment of a mechanism of the invention in different positions,
  • the figure 6 represents a schematic view of the mechanism in the inverter state,
  • the figure 7 represents a graph of input and output functions of the mechanism,
  • the figure 8 represents an alternative embodiment of the first embodiment, and
  • the Figures 9a and 9b represent the lever and the first and second locking members of a second embodiment of the invention.

Description détaillée d'un mode de réalisation préféréDetailed description of a preferred embodiment

Un premier mode de réalisation d'un mécanisme d'horlogerie selon l'invention est représenté dans différentes positions sur les figures 1 à 5. Le mécanisme de l'invention est destiné à être monté sur un mouvement horloger, soit de façon intégrée, soit de façon modulaire. Le mécanisme a pour objectif de transformer, à la demande, une valeur d'entrée en une valeur de sortie variant d'une façon similaire ou inversée à la valeur d'entrée. Il est pour cela susceptible de se trouver dans deux états, un état inverseur tel que représenté sur les figures 1 et 2 et un état suiveur tel que représenté sur les figures 4 et 5. La position particulière du mécanisme représentée à la figure 3 est celle dans laquelle le mécanisme est susceptible de changer d'état.A first embodiment of a watch mechanism according to the invention is represented in different positions on the Figures 1 to 5 . The mechanism of the invention is intended to be mounted on a watch movement, either in an integrated manner or in a modular manner. The mechanism aims to transform, on demand, an input value into an output value that varies in a similar or inverted way to the input value. It is for that reason likely to be in two states, an inverter state as represented on the Figures 1 and 2 and a follower state as represented on the figures 4 and 5 . The particular position of the mechanism represented in figure 3 is the one in which the mechanism is likely to change state.

Le mécanisme comporte une structure déformable en forme de losange ABCD, comportant quatre segments coplanaires reliés deux à deux par leurs sommets de façon pivotante. Le losange ABCD comporte un segment d'entré AD adjacent à un segment de sortie AB, tous deux pivotés autour d'un axe de pivot X perpendiculaire au plan du losange et passant par un premier sommet A qui est commun aux segments d'entrée AD et de sortie AB et qui est bloqué en translation dans le plan du losange ABCD. Cela signifie que le sommet A reste fixe au contraire des trois autres sommets qui peuvent se déplacer dans le plan du losange ABCD.The mechanism comprises a diamond-shaped deformable structure ABCD, comprising four coplanar segments connected in pairs by their vertices pivotally. The ABCD diamond has an AD input segment adjacent to an AB output segment, both rotated around a pivot axis X perpendicular to the plane of the diamond and passing through a first vertex A which is common to the input and output segments AB and which is locked in translation in the plane of the diamond ABCD. This means that the vertex A remains fixed in contrast to the other three vertices that can move in the plane of the ABCD rhombus.

Le mécanisme comporte également un levier 1 monté pivotant autour de l'axe de pivot X, le levier 1 étant cinématiquement lié en rotation, autour de l'axe de pivot X, à un deuxième sommet C du losange, opposé au premier sommet A. Le levier 1 comporte une ouverture oblongue 12 s'étendant dans une direction radiale en référence à l'axe de pivot X et logeant au moins partiellement une goupille 8 connectant de façon pivotante, par leur sommet, c'est-à-dire le deuxième sommet C, les troisième DC et quatrième CB segments du losange. L'ouverture oblongue 12 a une largeur sensiblement égale au diamètre de la goupille 8 et constitue une glissière dans laquelle la goupille 8 peut coulisser. Il est bien évident que tout système de liaison glissière équivalent peut être utilisé, par exemple l'ouverture oblongue et la goupille peuvent être remplacées par deux goupilles encadrant un segment parallèle.The mechanism also comprises a lever 1 pivotally mounted about the pivot axis X, the lever 1 being kinematically connected in rotation, about the pivot axis X, to a second vertex C of the diamond, opposite to the first vertex A. The lever 1 comprises an oblong opening 12 extending in a radial direction with reference to the pivot axis X and at least partially housing a pin 8 pivotally connecting, by their apex, that is to say the second top C, the third DC and fourth CB segments of the diamond. The oblong opening 12 has a width substantially equal to the diameter of the pin 8 and constitutes a slide in which the pin 8 can slide. It is obvious that any equivalent slide link system can be used, for example the oblong opening and the pin can be replaced by two pins flanking a parallel segment.

Le mécanisme comporte également un premier organe de blocage 2 en forme de bras pivotant dont une extrémité est pourvue d'une encoche 10 agencée pour coopérer avec l'extrémité du levier 1. Le premier organe de blocage 2 est apte à se déplacer entre une position verrouillée, dans laquelle l'encoche 10 recouvre l'extrémité du levier 1 de façon à bloquer le levier 1 en rotation autour de l'axe de pivot X, et une position déverrouillée dans laquelle le premier organe de blocage 2 n'entrave pas la rotation du levier 1.The mechanism also comprises a first locking member 2 in the form of a pivoting arm whose one end is provided with a notch 10 arranged to cooperate with the end of the lever 1. The first locking member 2 is able to move between a position locked, in which the notch 10 covers the end of the lever 1 so as to lock the lever 1 in rotation about the pivot axis X, and an unlocked position in which the first locking member 2 does not hinder the rotation of the lever 1.

Le mécanisme comporte également un second organe de blocage 3, pivoté en Y sur le levier 1 et dont une extrémité comporte un crochet 9 apte à coopérer avec la goupille 8 de façon à pouvoir bloquer la goupille 8 en translation selon la direction radiale. Le second organe de blocage 3 est apte à se déplacer entre une position verrouillée, dans laquelle le deuxième sommet C est bloqué en translation selon une direction radiale en référence à l'axe de pivot X, et une position déverrouillée dans laquelle le second organe de blocage 3 n'entrave pas le déplacement radial du deuxième sommet C.The mechanism also comprises a second locking member 3, pivoted in Y on the lever 1 and one end has a hook 9 adapted to cooperate with the pin 8 so as to lock the pin 8 in translation in the radial direction. The second locking member 3 is able to move between a locked position, in which the second vertex C is locked in translation in a radial direction with reference to the pivot axis X, and an unlocked position in which the second locking member 3 does not interfere with the radial displacement of the second vertex C.

Le mécanisme comporte en outre un premier moyen de rappel non représenté, tendant à maintenir le premier organe de blocage 2 en appui contre un dispositif de commande 4, décrit ci-après. Typiquement, le premier moyen de rappel est un moyen de rappel élastique Alternativement à un moyen de rappel, une liaison desmodromique peut être utilisée entre le dispositif de commande 4 et le premier organe de blocage 2.The mechanism further comprises a first return means not shown, tending to maintain the first locking member 2 against a control device 4, described below. Typically, the first return means is a resilient return means Alternatively to a return means, a desmodromic connection can be used between the control device 4 and the first locking member 2.

Un second moyen de rappel, non représenté, tend à maintenir le second organe de blocage 3 dans sa position verrouillée telle que représentée au figures 3 à 6. L'action du second moyen de rappel permet au second organe de blocage de bloquer la goupille 8 en translation selon la direction radiale. Le second moyen de rappel peut, par exemple, être un moyen élastique ou un moyen magnétique.A second biasing means, not shown, tends to hold the second locking member 3 in its locked position as shown in FIG. Figures 3 to 6 . The action of the second return means allows the second locking member to lock the pin 8 in translation in the radial direction. The second return means may, for example, be an elastic means or a magnetic means.

Le mécanisme est agencé de manière à ce qu'il n'y ait toujours qu'un seul des premier et second organes de blocage 2, 3 en position verrouillée, l'autre des premier et second organes de blocage 2, 3 étant alors en position déverrouillée. Le mécanisme est dans son état inverseur lorsque le premier organe de blocage est verrouillé, et dans son état suiveur lorsque le second organe est verrouillé. Autrement dit, les déplacements des premier 2 et second 3 organes de blocage, correspondant à des changements d'état du mécanisme, s'effectuent de façon synchronisée. Pour cela, le premier organe de blocage 2 comporte une butée 11 destinée à coopérer avec un bras de levier 15 que comporte le second organe de blocage 3, afin de déplacer le second organe de blocage 3 dans sa position déverrouillée lorsque le premier organe de blocage 2 se déplace dans sa position verrouillée. Inversement, lorsque le premier organe de blocage 2 se déplace dans sa position déverrouillée, le second organe de blocage 3 se déplace dans sa position verrouillée sous l'action du second moyen de rappel.The mechanism is arranged so that there is always only one of the first and second locking members 2, 3 in the locked position, the other of the first and second locking members 2, 3 then being in position. unlocked position. The mechanism is in its inverter state when the first locking member is locked, and in its follower state when the second member is locked. In other words, the movements of the first 2 and second 3 locking members, corresponding to changes in the state of the mechanism, are performed in a synchronized manner. For this, the first locking member 2 comprises a stop 11 intended to cooperate with a lever arm 15 that comprises the second locking member 3, in order to move the second locking member 3 in its unlocked position when the first locking member 2 moves to its locked position. Conversely, when the first locking member 2 moves in its unlocked position, the second locking member 3 moves into its locked position under the action of the second return means.

Le mécanisme comporte également le dispositif de commande 4 qui est apte à commander le déplacement du premier organe de blocage 2 entre ses positions verrouillée et déverrouillée. Le dispositif de commande 4 est ici réalisé à l'aide d'une croix de Malte 13 entrainée en rotation par un doigt d'indexation 14 destiné à être lui-même entrainé par le mouvement. Le déplacement du premier organe de blocage 2 par le dispositif de commande 4 intervient lorsque le levier 1 et la goupille 8 sont dans une position particulière dite de permutation, telle que représentée à la figure 3.The mechanism also comprises the control device 4 which is able to control the displacement of the first locking member 2 between its locked and unlocked positions. The control device 4 is here made using a Maltese cross 13 rotated by an indexing finger 14 intended to be itself driven by the movement. The displacement of the first locking member 2 by the control device 4 occurs when the lever 1 and the pin 8 are in a particular position called permutation, as shown in FIG. figure 3 .

La position angulaire du segment d'entrée AD est régie par le déplacement d'un palpeur 5, solidaire du segment d'entrée AD, et agencé pour suivre le profil d'une came 6 destinée à être entraînée en rotation par un mouvement horloger. Alternativement, le segment d'entrée AD pourrait également être solidaire d'un secteur denté apte à recevoir la valeur d'entrée représentée par la position angulaire du segment d'entrée AD.The angular position of the input segment AD is governed by the displacement of a probe 5, integral with the input segment AD, and arranged to follow the profile of a cam 6 intended to be rotated by a watch movement. Alternatively, the input segment AD could also be integral with a sector gear able to receive the input value represented by the angular position of the input segment AD.

Le segment de sortie AB est solidaire d'un secteur denté 7 apte à engrener avec une roue dentée ou une crémaillère pour transmettre la valeur de sortie du mécanisme.The output segment AB is secured to a toothed sector 7 adapted to mesh with a toothed wheel or a rack to transmit the output value of the mechanism.

La figure 6 représente un schéma de principe du mécanisme dans son état inverseur, la diagonale AC du losange ABCD étant bloquée en rotation autour de l'axe X. La position angulaire α du segment d'entrée AD, représente la valeur d'entrée du mécanisme alors que la valeur de sortie est représentée par la position angulaire β du segment de sortie AB. Dans le premier mode de réalisation représenté, la valeur de permutation p correspond à des valeurs de 45° pour les angles α et β ce qui signifie que le losange ABCD est un carré lorsque le mécanisme est dans l'état suiveur.The figure 6 represents a schematic diagram of the mechanism in its inverter state, the diagonal AC of the diamond ABCD being locked in rotation around the axis X. The angular position α of the input segment AD, represents the input value of the mechanism whereas the output value is represented by the angular position β of the output segment AB. In the first embodiment shown, the permutation value p corresponds to values of 45 ° for the angles α and β, which means that the diamond ABCD is a square when the mechanism is in the follower state.

Lorsque le mécanisme est dans l'état suiveur, c'est-à-dire quand le premier organe de blocage 2 est en position déverrouillée, le losange ABCD pivote de façon monobloc autour de l'axe de pivot X de telle sorte que la valeur de sortie varie similairement à la valeur d'entrée. Avec les repères choisis pour la figure 6, la valeur de sortie β est égale à la valeur d'entrée α.When the mechanism is in the follower state, that is to say when the first locking member 2 is in the unlocked position, the ABCD diamond rotates in one piece around the pivot axis X so that the output value varies similarly to the input value. With the benchmarks chosen for the figure 6 , the output value β is equal to the input value α.

Lorsque le mécanisme est dans l'état inverseur représenté à la figure 6, c'est-à-dire quand le premier organe de blocage 2 est en position verrouillée, la valeur de sortie β varie à l'inverse de la valeur d'entrée α. Le changement d'état s'effectue à la valeur de permutation p qui n'est pas nécessairement nulle. La valeur de sortie s'exprime ainsi : β = 2p - α. Dans le cas particulier où la valeur de permutation p est nulle, la valeur de sortie β est l'opposée de la valeur d'entrée α.When the mechanism is in the inverter state represented at figure 6 , that is to say when the first locking member 2 is in the locked position, the output value β varies inversely with the input value α. The change of state occurs at the permutation value p which is not necessarily zero. The output value is expressed as: β = 2p - α. In the particular case where the permutation value p is zero, the output value β is the opposite of the input value α.

La valeur de sortie peut être transmise à l'aide du secteur dentée 7 à destination d'un autre mécanisme ou d'un dispositif d'affichage. Alternativement, il est possible de prévoir un moyen d'affichage tel un repère, solidaire du segment de sortie AB et apte à indiquer la valeur de sortie représentée par la position angulaire du segment de sortie AB.The output value can be transmitted using gear sector 7 to another mechanism or display device. Alternatively, it is possible to provide a display means such as a marker, integral with the output segment AB and able to indicate the output value represented by the angular position of the output segment AB.

Dans le premier mode de réalisation, la permutation d'un état à l'autre du mécanisme ne pouvant intervenir qu'à la valeur de permutation p dans la configuration de la figure 3, il est préférable que le dispositif de commande 4 soit synchronisé avec le déplacement de la came 6. La figure 7 donne une illustration de l'inversion d'une fonction par le mécanisme inverseur. Le changement d'état a lieu à un instant tp. La partie gauche du graphe correspond à l'état suiveur dans lequel la valeur d'entrée α est confondue avec la valeur de sortie β. La partie gauche du graphe correspond à l'état inverseur dans lequel la valeur de sortie β varie de manière inversée à la valeur d'entrée α autour de la valeur de permutation p.In the first embodiment, the permutation from one state to the other of the mechanism can only occur at the permutation value p in the configuration of the figure 3 , it is preferable that the control device 4 is synchronized with the displacement of the cam 6. The figure 7 gives an illustration of the inversion of a function by the inverting mechanism. The change of state occurs at a time t p . The left part of the graph corresponds to the follower state in which the input value α coincides with the output value β. The left part of the graph corresponds to the inverter state in which the output value β varies inversely with the input value α around the permutation value p.

Selon une variante d'exécution représentée à la figure 8, le losange ABCD est formé de façon monobloc, chaque segment du losange étant relié aux segments adjacents par des éléments flexibles faisant office de pivot. Dans cette variante, l'axe de pivot X est également un axe de pivot virtuel formé par deux bras flexibles déformables reliant le segment d'entrée AD à une base fixe. De la même façon, le levier 1 et les premier et deuxième organes de blocage 2, 3 peuvent également être pivotés à l'aide de pivots virtuels. La présente invention couvre toutes les combinaisons faisant appel à des pivots physiques ou des pivots virtuels.According to an alternative embodiment represented in figure 8 , the ABCD diamond is integrally formed, each segment of the rhombus being connected to the adjacent segments by flexible elements acting as a pivot. In this variant, the pivot axis X is also a virtual pivot axis formed by two deformable flexible arms connecting the input segment AD to a fixed base. In the same way, the lever 1 and the first and second locking members 2, 3 can also be pivoted using virtual pivots. The present invention covers all combinations using physical pivots or virtual pivots.

Les figures 9a et 9b présentent le levier 1 et les premier et deuxième organes 2, 3 de blocage d'un deuxième mode de réalisation de l'invention. Contrairement au premier mode de réalisation présenté, la valeur de permutation p est ici variable.The Figures 9a and 9b present the lever 1 and the first and second locking members 2, 3 of a second embodiment of the invention. Unlike the first embodiment presented, the permutation value p is here variable.

La figure 9a correspond à l'état inverseur du mécanisme dans lequel le premier organe de blocage 2 est dans une position verrouillée. Le premier organe de blocage 2 comporte une pointe 16 se logeant entre deux dents d'une denture 17 solidaire du levier 1. En pénétrant dans la denture 17, la pointe 16 appuie sur un bras de levier 15 que comporte le second organe de blocage 3 ce qui le maintient dans une position déverrouillée dans laquelle la goupille 8 est libre de se déplacer radialement en référence à l'axe de pivot X.The figure 9a corresponds to the inverter state of the mechanism in which the first locking member 2 is in a locked position. The first locking member 2 comprises a tip 16 which is housed between two teeth of a toothing 17 secured to the lever 1. Upon penetrating the toothing 17, the tip 16 presses on a lever arm 15 that includes the second locking member 3 which holds it in an unlocked position in which the pin 8 is free to move radially with reference to the pivot axis X.

La figure 9b correspond à l'état suiveur dans lequel le second organe de blocage 3 est dans une position verrouillée. Le second organe de blocage 3 comporte une crémaillère 18 dont la denture coopère avec la goupille 8 pour la bloquer en translation lorsque le premier organe de blocage 2 est placé dans sa position déverrouillée.The figure 9b corresponds to the follower state in which the second locking member 3 is in a locked position. The second locking member 3 comprises a rack 18 whose toothing cooperates with the pin 8 to lock it in translation when the first locking member 2 is placed in its unlocked position.

Dans le deuxième mode de réalisation représenté sur les figures 9a et 9b, les premier 2 et deuxième 3 organes de blocage comportent une pluralité d'encoches respectivement de crochets. Ainsi la valeur d'entrée à laquelle s'effectue le déplacement des organes de blocage 2, 3 entre leurs positions verrouillées et déverrouillées, dite valeur de permutation, est variable. Le réglage peut être fait par le mouvement ou par l'utilisateur selon un dispositif de réglage approprié. Les valeurs de permutations prennent ici des valeurs variant par pas discrets mais il est également possible d'envisager une variation continue en réduisant la valeur du pas.In the second embodiment shown on the Figures 9a and 9b , the first 2 and second 3 locking members comprise a plurality of notches respectively hooks. Thus, the input value at which the blocking members 2, 3 move between their locked and unlocked positions, called the permutation value, is variable. The adjustment can be made by the movement or by the user according to a suitable adjustment device. The values of permutations here take values varying in discrete steps but it is also possible to envisage a continuous variation by reducing the value of the pitch.

Ainsi le mécanisme selon l'invention permet de réaliser l'inversion sélective d'une fonction d'entrée. De nombreuses applications de ce mécanisme sont envisageables.Thus, the mechanism according to the invention makes it possible to selectively invert an input function. Many applications of this mechanism are conceivable.

Un affichage rétrograde peut alterner son mouvement. Pour faciliter la lecture de l'information, les moyens de repère de l'affichage rétrograde peuvent évoluer conjointement à la permutation.A retrograde display can alternate its movement. To facilitate the reading of the information, the reference means of the retrograde display can evolve together with the permutation.

Un dispositif de correction par poussoir peut agir dans les deux sens de correction en fonction de l'état dans lequel on choisit de placer le mécanisme, la permutation s'effectuant lorsque le dispositif de correction est au repos.A pusher correction device can act in both directions of correction depending on the state in which one chooses to place the mechanism, the permutation being effected when the correction device is at rest.

La présente invention ne se limite pas à l'exemple illustré et est susceptible de diverses variantes et modifications qui apparaîtront de manière évidente à l'homme du métier. Ainsi par exemple, les rôles des segments AD et AB peuvent être inversés, le segment AD étant alors un segment de sortie et le segment AB étant un segment d'entrée.The present invention is not limited to the illustrated example and is susceptible of various variations and modifications which will become apparent to those skilled in the art. For example, the roles of the segments AD and AB can be reversed, the segment AD then being an output segment and the segment AB being an input segment.

Claims (14)

Mécanisme d'horlogerie caractérisé en ce qu'il comporte : - un losange (ABCD) déformable, comportant quatre segments coplanaires reliés deux à deux par leurs sommets de façon pivotante, dont un segment d'entré (AD) adjacent à un segment de sortie (AB), tous deux pivotés autour d'un axe de pivot (X) perpendiculaire au plan du losange et passant par un premier sommet (A) qui est commun aux segments d'entrée (AD) et de sortie (AB) et qui est bloqué en translation dans le plan du losange (ABCD), - un levier (1) monté pivotant autour de l'axe de pivot (X), le levier (1) étant cinématiquement lié en rotation, autour de l'axe de pivot (X), à un deuxième sommet (C) du losange, opposé au premier sommet (A), - un premier organe de blocage (2) apte à se déplacer entre une position verrouillée, dans laquelle le levier (1) est bloqué en rotation autour de l'axe de pivot (X), et une position déverrouillée dans laquelle le premier organe de blocage (2) n'entrave pas la rotation du levier (1), - un second organe de blocage (3) apte à se déplacer entre une position verrouillée, dans laquelle le deuxième sommet (C) est bloqué en translation selon une direction radiale en référence à l'axe de pivot (X), et une position déverrouillée dans laquelle le second organe de blocage (3) n'entrave pas le déplacement radial du deuxième sommet (C), le mécanisme étant agencé de manière à ce que l'un des premier et second organes de blocage (2, 3) se trouve en position verrouillée lorsque l'autre des premier et second organes de blocage (2, 3) est en position déverrouillée, - un dispositif de commande (4) apte à commander le déplacement du premier organe de blocage (2) entre ses positions verrouillée et déverrouillée, et en ce que la position angulaire du segment de sortie (AB) représente une valeur de sortie variant similairement à une valeur d'entrée lorsque le premier organe de blocage (2) est en position déverrouillée et variant à l'inverse de cette valeur lorsque le premier organe de blocage (2) est en position verrouillée, la valeur d'entrée étant représentée par la position angulaire du segment d'entrée (AD).Clock mechanism, characterized in that it comprises: a deformable rhombus (ABCD), comprising four coplanar segments pivotally connected to each other vertically, including an input segment (AD) adjacent to an output segment (AB), both pivoted about an axis pivot (X) perpendicular to the diamond plane and passing through a first vertex (A) which is common to the input (AD) and output (AB) segments and which is locked in translation in the diamond plane (ABCD) , - A lever (1) pivotally mounted about the pivot axis (X), the lever (1) being kinematically rotatably connected about the pivot axis (X) to a second vertex (C) of the rhombus opposite to the first vertex (A), a first locking member (2) able to move between a locked position, in which the lever (1) is locked in rotation around the pivot axis (X), and an unlocked position in which the first locking member blocking (2) does not interfere with the rotation of the lever (1), a second locking member (3) able to move between a locked position, in which the second vertex (C) is locked in translation in a radial direction with reference to the pivot axis (X), and an unlocked position in which the second locking member (3) does not interfere with the radial displacement of the second vertex (C), the mechanism being arranged in such a way that one of the first and second locking members (2, 3) is located in the locked position when the other one of the first and second locking members (2, 3) is in the unlocked position, a control device (4) able to control the displacement of the first locking member (2) between its locked and unlocked positions, and in that the angular position of the output segment (AB) represents an output value varying similarly to an input value when the first locking member (2) is in the unlocked position and varies inversely with this value when the first locking member (2) is in the locked position, the input value being represented by the angular position of the input segment (AD). Mécanisme selon la revendication 1, caractérisée en ce qu'il comporte un premier moyen de rappel tendant à maintenir le premier organe de blocage (2) en appui contre le dispositif de commande (4).Mechanism according to claim 1, characterized in that it comprises a first return means tending to keep the first locking member (2) bearing against the control device (4). Mécanisme selon la revendication 1, caractérisé en ce qu'il comporte une liaison desmodromique entre le dispositif de commande (4) et le premier organe de blocage (2).Mechanism according to claim 1, characterized in that it comprises a desmodromic connection between the control device (4) and the first locking member (2). Mécanisme selon l'une des revendications précédentes, caractérisée en ce qu'il comporte un second moyen de rappel tendant à maintenir le second organe de blocage (3) dans sa position verrouillée.Mechanism according to one of the preceding claims, characterized in that it comprises a second return means tending to keep the second locking member (3) in its locked position. Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le premier organe de blocage (2) est agencé pour déplacer le second organe de blocage (3) dans sa position déverrouillée lorsque le premier organe de blocage (2) se déplace dans sa position verrouillée.Mechanism according to one of the preceding claims, characterized in that the first locking member (2) is arranged to move the second locking member (3) in its unlocked position when the first locking member (2) moves in its locked position. Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le segment d'entrée (AD) est solidaire d'un palpeur (5) agencé pour suivre le profil d'une came (6) destinée à être entraînée en rotation par un mouvement horloger ou par un utilisateur.Mechanism according to one of the preceding claims, characterized in that the input segment (AD) is integral with a feeler (5) arranged to follow the profile of a cam (6) intended to be rotated by a clock movement or by a user. Mécanisme selon l'une des revendications 1 à 5, caractérisée en ce que le segment d'entrée (AD) est solidaire d'un secteur denté apte à recevoir la valeur d'entrée représentée par la position angulaire du segment d'entrée (AD).Mechanism according to one of claims 1 to 5, characterized in that the input segment (AD) is integral with a tooth sector adapted to receive the input value represented by the angular position of the input segment (AD ). Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le segment de sortie (AB) est solidaire d'un secteur denté (7) apte à transmettre la valeur de sortie représentée par la position angulaire du segment de sortie (AB).Mechanism according to one of the preceding claims, characterized in that the output segment (AB) is integral with a sector gear (7) adapted to transmit the output value represented by the angular position of the output segment (AB). Mécanisme selon l'une des revendications 1 à 7, caractérisée en ce qu'il comporte un repère solidaire du segment de sortie (AB) et apte à indiquer la valeur de sortie représentée par la position angulaire du segment de sortie (AB).Mechanism according to one of claims 1 to 7, characterized in that it comprises a reference integral with the output segment (AB) and able to indicate the output value represented by the angular position of the output segment (AB). Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le levier (1) comporte une ouverture oblongue (12) s'étendant dans une direction radiale en référence à l'axe de pivot (X) et logeant au moins partiellement une goupille (8) connectant de façon pivotante par leur sommet, constitué par le deuxième sommet (C), les troisième (DC) et quatrième (CB) segments du losange.Mechanism according to one of the preceding claims, characterized in that the lever (1) has an oblong opening (12) extending in a radial direction with reference to the pivot axis (X) and at least partially housing a pin (8) pivotally connecting at their vertex, constituted by the second vertex (C), the third (DC) and fourth (CB) segments of the rhombus. Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le deuxième organe de blocage (3) est pivoté sur le levier (1) et comporte un crochet (9) coopérant avec la goupille (8) de façon à pouvoir bloquer la goupille (8) en translation selon la direction radiale.Mechanism according to one of the preceding claims, characterized in that the second locking member (3) is pivoted on the lever (1) and comprises a hook (9) cooperating with the pin (8) so as to be able to lock the pin (8) in translation in the radial direction. Mécanisme selon l'une des revendications précédentes, caractérisée en ce que le premier organe de blocage (2) est pivoté et comporte une encoche (10) coopérant avec le levier (1) de façon à pouvoir bloquer le levier (1) en rotation autour de l'axe de pivot. (X)Mechanism according to one of the preceding claims, characterized in that the first locking member (2) is pivoted and comprises a notch (10) cooperating with the lever (1) so as to lock the lever (1) in rotation around of the pivot axis. (X) Mécanisme selon les revendications 11 et 12, caractérisée en ce que les premier (2) et deuxième (3) organes de blocage comportent une pluralité d'encoches respectivement de crochets.Mechanism according to claims 11 and 12, characterized in that the first (2) and second (3) locking members comprise a plurality of notches respectively hooks. Mécanisme selon l'une des revendications précédentes, caractérisé en ce que la valeur d'entrée à laquelle s'effectue le déplacement des organes de blocage (2, 3) entre leur position verrouillée et déverrouillée est variable.Mechanism according to one of the preceding claims, characterized in that the input value at which the locking members (2, 3) move between their locked and unlocked position is variable.
EP17173324.9A 2017-05-29 2017-05-29 Clock mechanism Active EP3410231B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17173324.9A EP3410231B1 (en) 2017-05-29 2017-05-29 Clock mechanism
US15/972,285 US10606215B2 (en) 2017-05-29 2018-05-07 Timepiece mechanism
JP2018097677A JP6533851B2 (en) 2017-05-29 2018-05-22 Timer mechanism
CN201810520986.3A CN108931911B (en) 2017-05-29 2018-05-28 Clock mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17173324.9A EP3410231B1 (en) 2017-05-29 2017-05-29 Clock mechanism

Publications (2)

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EP3410231A1 true EP3410231A1 (en) 2018-12-05
EP3410231B1 EP3410231B1 (en) 2021-06-30

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EP17173324.9A Active EP3410231B1 (en) 2017-05-29 2017-05-29 Clock mechanism

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US (1) US10606215B2 (en)
EP (1) EP3410231B1 (en)
JP (1) JP6533851B2 (en)
CN (1) CN108931911B (en)

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EP3486735B1 (en) * 2017-11-20 2020-09-30 Montres Breguet S.A. Second reset clock mechanism with snail cam
EP3605243A1 (en) * 2018-07-31 2020-02-05 Montres Breguet S.A. Variable geometry timepiece display mechanism with elastic needle
EP3869280B1 (en) * 2020-02-19 2024-04-17 Montres Breguet S.A. Timepiece display mechanism

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CH694175A5 (en) * 1999-12-16 2004-08-13 Agenhor Sa Retrograde indication or display incorporates mobile indicatory component displaceable angularly in forward and backward movements between position between zero

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JPS5335499Y2 (en) * 1974-01-23 1978-08-30
USD357883S (en) * 1994-03-08 1995-05-02 Krauss Kenneth W Clock hand
EP1637942A1 (en) * 2004-09-15 2006-03-22 Frédéric Piguet S.A. Calender timepiece comprising an equation-of-time device
DE05405596T1 (en) * 2005-10-21 2007-10-11 Rolex Sa Clock with a mechanism for measuring adjustable predetermined time periods
US9261859B2 (en) * 2012-02-27 2016-02-16 Blancpain Sa Universal running equation of time mechanism and method of setting the same
EP2824521A3 (en) * 2013-07-12 2016-06-01 Rolex Sa Clockwork mechanism, clock movement and timepiece
CH713069A2 (en) * 2016-10-25 2018-04-30 Eta Sa Mft Horlogere Suisse Mechanical watch with rotary isochronous resonator, insensitive to positions.
EP3410232B1 (en) * 2017-05-29 2021-07-21 Montres Breguet S.A. Clock mechanism

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CH694175A5 (en) * 1999-12-16 2004-08-13 Agenhor Sa Retrograde indication or display incorporates mobile indicatory component displaceable angularly in forward and backward movements between position between zero

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Publication number Publication date
CN108931911B (en) 2020-06-19
US10606215B2 (en) 2020-03-31
CN108931911A (en) 2018-12-04
US20180341224A1 (en) 2018-11-29
EP3410231B1 (en) 2021-06-30
JP2018200312A (en) 2018-12-20
JP6533851B2 (en) 2019-06-19

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