EP1862871A1 - Timepiece comprising an improved time-setting mechanism - Google Patents

Timepiece comprising an improved time-setting mechanism Download PDF

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Publication number
EP1862871A1
EP1862871A1 EP06114759A EP06114759A EP1862871A1 EP 1862871 A1 EP1862871 A1 EP 1862871A1 EP 06114759 A EP06114759 A EP 06114759A EP 06114759 A EP06114759 A EP 06114759A EP 1862871 A1 EP1862871 A1 EP 1862871A1
Authority
EP
European Patent Office
Prior art keywords
setting
time
winding stem
timepiece
pinion
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
EP06114759A
Other languages
German (de)
French (fr)
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EP1862871B1 (en
Inventor
M. Eric Goeller
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 EP06114759A priority Critical patent/EP1862871B1/en
Priority to DE602006001298T priority patent/DE602006001298D1/en
Priority to AT06114759T priority patent/ATE396436T1/en
Priority to SG200703784-9A priority patent/SG137819A1/en
Priority to JP2007143382A priority patent/JP5030091B2/en
Priority to US11/755,863 priority patent/US7654731B2/en
Priority to CN2007101085295A priority patent/CN101082805B/en
Publication of EP1862871A1 publication Critical patent/EP1862871A1/en
Priority to HK08102756.2A priority patent/HK1116262A1/en
Application granted granted Critical
Publication of EP1862871B1 publication Critical patent/EP1862871B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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

Definitions

  • the invention relates to a timepiece having an improved time setting device.
  • the invention more particularly relates to a timepiece comprising a timer train which drives in rotation analog display means via a timer wheel, and a time setting device comprising a winding stem which, when it occupies a time setting position, controls the rotation of the timer wheel in order to perform a time setting operation.
  • a timepiece equipped with a movement comprising a large number of complications
  • setting the time in the opposite direction can cause displacements of parts not provided, for example in a striking mechanism and especially in a perpetual calendar mechanism, which often leads to a deterioration of certain elements of the movement.
  • the user does not always have a good knowledge of the operation of the timepiece and its complications, it happens regularly that unsuitable manipulations, such as setting the time in the opposite direction, are performed despite warnings , which requires a return of the timepiece in after-sales service.
  • the present invention aims to overcome these disadvantages by providing a timepiece that allows the user to turn the winding stem in both directions, in the setting position, without risk of deterioration of the movement.
  • the timepiece according to the invention allows the user to perform the time setting without worrying about the direction in which he must turn the winding stem. Whatever the direction in which it rotates the winding stem, it always turns the display means in the same direction, eliminating the risk of mishandling when setting the time and makes the timepiece easier to use.
  • the toothing arranged on the axis of the output pinion is constituted by an input pinion which is offset axially relative to the output pinion, which facilitates the arrangement of the setting device. the time in the timepiece by minimizing its footprint.
  • the pivoting plate extends generally in a plane parallel to the time-setting lever, the reversing wheels are arranged on a lower face of the pivoting plate, on the side opposite to the time-setting lever.
  • the plate is pivotally mounted on the time setting lever by means of a pivot arranged on the upper face of the plate.
  • the pivot extends axially through a hole in the time-setting latch so that its upper axial end protrudes above the upper face of the time-setting latch, the end the upper axial axis of the pivot comprises an annular groove, and a fork is fixed on the upper face of the time setting lever so that the arms of the fork are received in the annular groove to axially retain the plate on the latch of setting the time.
  • the pivot axis of the time-setting flip-flop coincides with the axis of rotation of the return wheel which guarantees a good adjustment of the position of the first reversing wheel with respect to the return.
  • the winding stem comprises a coaxial time setting pinion and, in the time setting position, the time setting pinion is rotatably connected to the pinion rod. winding and it meshes with a wheel of time setting meshing with the return.
  • the winding stem comprises a coaxial sliding pinion and, in the time setting position, the sliding pinion meshes with axial teeth in crenellations with a complementary toothing of the time-setting pinion so as to bind the pinion in rotation. setting time and the winding stem.
  • This time setting mechanism in particular by the use of the crenellated axial toothing, makes it possible to pass a greater driving torque towards the timer wheel, while minimizing the wear of the teeth used for meshing between the sliding pinion and the setting pinion. The risk of slippage between the sliding pinion and the setting gear is eliminated.
  • the time setting device comprises a pivoting pull which is articulated on the winding stem so that the axial sliding of the winding stem towards the time setting position controls the pivoting of the pull rod towards a time setting position.
  • the pivoting of the pull tab towards its time setting position causes the sliding pinion to slide towards its setting position by means of a driving rocker cooperating with the pull tab and with the sliding pinion, and it controls the pivoting of the time-shift latch to its engaged position.
  • This control system has the advantage of being reliable and easy to assemble.
  • V, L, T defining respectively the vertical, longitudinal, transverse orientations.
  • FIG 1 there is shown a timepiece 10 in the form of a block diagram.
  • the timepiece 10 is preferably constituted by a wristwatch equipped with a mechanical watch movement which is provided with a timer train 12 driving in rotation analog display means 14 such as hands, via a wheel timer 16, shown in particular in Figure 2.
  • the timepiece 10 also includes a device 18 for setting the time which cooperates with the timer train 12, by engaging with the timer wheel 16, to change the time indicated by the display means 14.
  • the setting device 18 is controlled by a manual control device such as a winding crown 20.
  • the hour-setting device 18 is shown in greater detail in FIGS. 2 to 4. It comprises a winding stem 22 sliding along a longitudinal axis A1 oriented, without limitation, from the inside to the outside, which corresponds to a left-to-right orientation in FIG. 2.
  • the winding crown 20 is designed to be fixed on the external axial end 24 of the winding stem 22 so as to allow the user to on the other hand, to control the rotation of the winding stem 22 about its axis A1 and, secondly, to control the axial sliding (A1) of the winding stem 22.
  • the winding stem 22 comprises at least two distinct axial positions, a neutral position towards the inside, called the winding position Pr, and a position pulled outwards, called the setting position Ph, these two positions Pr , Ph being shown respectively in Figures 2 and 3. The function of its two positions will be explained later.
  • the axes of rotation and rotation mentioned are, unless otherwise indicated, substantially vertical, which corresponds to the orientation of the axes of the clock train 12.
  • a pull tab 26 is pivotally controlled by the winding stem 22.
  • the pull tab 26 pivots around a fixed axis A2, on the opposite side to its free end 28, and it comprises a movable axis of articulation A3 which is arranged on the winding stem 22 and which is fixed in axial sliding (A1) of the winding stem 22.
  • the axis of articulation A3 is arranged here between the fixed axis A2 and the free end 28 of the pull tab 26.
  • the sliding pinion 30 meshes here with the winding pinion 34 by teeth in wolf teeth.
  • the winding pinion 34 and the setting pinion 38 are mounted free to rotate on the winding stem 22, the sliding pinion 30 serving to link in rotation one or the other of these two pinions 34, 38 with the winding stem 22.
  • the sliding pinion 30 meshes with the setting pinion 38 by a crenellated axial toothing, the profile of the teeth 40 being substantially rectangular.
  • Each tooth 40 is generally in the form of a block.
  • the intermediate portion of the sliding pinion 30 is provided with a peripheral annular groove 42 which is designed to receive the free end 44 of the drive finger 46 belonging to a swivel-shaped drive rocker 48 in a hinged manner.
  • the drive rocker 48 pivots around a fixed axis A4 and comprises a control arm 50 provided with a pin 52 which is resiliently biased against an inner surface 54 of the pull tab 26, in the vicinity of the free end 28 of the pull tab 26.
  • the drive rocker 48 here comprises an elastic tongue 56 which is held elastically deformed against a fixed element in order to urge the pin 52 against the pull tab 26.
  • the time setting pinion 38 meshes with a time setting wheel 58 which here extends in a horizontal plane, under the winding stem 22.
  • the time setting wheel 58 meshes with a return wheel 60 axis A5.
  • the fixed element against which the elastic tongue 56 rests is constituted by the axis A5 of the return 60.
  • the time-setting device 18 comprises a time-setting flip-flop 62 which carries a device 64 of coupling, shown in detail in Figure 6, and which is controlled pivotally about an axis A5 by the winding stem 22, between a disengaged position Pd and an engaged position Pe respectively corresponding to the winding position Pr and at the time setting position Ph of the winding stem 22.
  • the clocking flip-flop 62 is here pivotally mounted about the axis A5 of the reference 60. According to the embodiment shown, it extends generally along a general direction D1 contained in a horizontal plane and comprises: on either side of its axis A5 pivoting, a first arm 66 which extends on the side of the winding stem 22 and a second arm 68 which extends on the opposite side to the winding stem 22 and which carries the coupling device 64 at its free end.
  • the free end of the first arm 66 is here provided with a pin 70 which is arranged on the upper face 72 of the rocker 24 and which is biased resiliently bearing against the inner surface 54 of the free end 28 of the zipper 26 when the pull tab 26 is in its winding position Pr.
  • the pin 70 can be arranged on an intermediate lever which is pivotally controlled by the pull tab 26 and which bears against the time-setting lever 62 for controlling the pivoting of the latch. time setting flip-flop 62 to the engaged position Pe.
  • the coupling device 64 comprises a drive shaft 74 of axis A6 which is provided, at its lower end, with an input pinion 76 and, at its upper end, with an output pinion 78 designed to meshing with the timer wheel 16, when the time-setting latch 62 is in its engaged position Pe.
  • the two pinions 76, 78 are integral in rotation with the drive shaft 74.
  • the drive shaft 74 is rotatably mounted on the latch 62 for setting the time.
  • the time-setting flip-flop 62 comprises a lower eyelet 80 which is offset orthogonally with respect to the general direction D1 and which extends in the plane of the time-setting latch 62 to carry the lower bearing 82 of the drive shaft 74.
  • a support piece 84 which has an upper eyelet 86 is fixed on the upper face 72 of the time-setting lever 62 for carrying the upper bearing 88 of the shaft Training 74.
  • the input pinion 76 is here arranged below the lower eyelet 80 and the output pinion 78 is here arranged above the upper eyelet 86.
  • the two pinions 76, 78 are therefore offset axially (A6). relative to each other on the drive shaft 74.
  • the coupling device 64 also comprises a plate 90 which is pivotally mounted about an axis A7 on the lower face 92 of the time-setting lever 62 and is provided with a first and a second wheel. 94, 96 of A8, A9 parallel axes meshing with each other, the first reversing wheel 94 also meshing with the reference 60.
  • the plate 90 occupies either a first angular position in which it is the second reversing wheel 96 which meshes with the input gear 76, which corresponds to the position shown in Figure 3, a second angular position in which it is the first reversing wheel 94 which meshes with the input gear 76, which corresponds at the position shown in Figure 4
  • the input gear 76 constitutes a drive gear that allows the output gear 78 to be rotated via one or the other of the reversing wheels 94, 96.
  • the plate 90 extends generally in a plane parallel to the time-setting latch 62 and the inversion wheels 94, 96 are arranged on the lower face 98 of the plate 90.
  • 90 is pivotally mounted on the time-of-use flip-flop 62 by means of a pivot 100 arranged on its upper face 102.
  • the pivot 100 extends axially (A7) through a hole 104 provided in the setting rocker 62 at the time so that its upper axial end 106 is projecting above the upper face 72 of the rocker 62.
  • the upper axial end 106 of the pivot 100 comprises an annular groove 108, and a fork 110 is fixed on the upper face 72 of the flip-flop 62 so that the two arms 112, 114 of the fork 110 are received in the annular groove 108 of the pivot 100 to axially retain the plate 90 on the latch 62 of time.
  • the sliding pinion 30 rotates the winding stem 22 with the winding pinion 34 in order to allow the movement of the timepiece 10 to be reassembled.
  • the time setting pinion 38 is free. rotational with respect to the winding stem 22 and the time-setting latch 62 occupies its disengaged position Pd, so that the output pinion 78 is radially away from the timer wheel 16.
  • the user grasps the winding crown 20 to longitudinally slide A1 the winding stem 22 outwards to its setting position Ph.
  • the winding stem 22 causes the pivoting of the pull tab 26, in the counter-clockwise direction, considering FIG. 2.
  • the winding stem 22 causes the flip-flop 62 to turn to its engaged position Pe, under the effect of an elastic element 116 which urges the pin 70 against the zipper 26.
  • the user can perform the time setting of the display means 14 by rotating the winding stem 22 about its axis A1 by means of the crown winding 20.
  • the setting pinion 38 causes the return 60, via the time setting wheel 58, for example in the clockwise direction, with reference to FIG.
  • the first reversing wheel 94 then rotates counter-clockwise and is biased against the input gear 76 so that the plate 90 occupies its second angular position (FIG.
  • the first reversing wheel 94 then drives the output gear 78, via the input gear 76, clockwise, thereby rotating the timer wheel 16 in the time-setting direction Sh which is counter clockwise considering Figure 3.
  • the setting pinion 38 causes the return 60 in the counter-clockwise direction.
  • the first reversing wheel 94 then rotates clockwise and rolls on the return 60 by pivoting the plate 90 to its first angular position in which the second reversing wheel 96 is biased against the input pinion. 76.
  • the first inversion wheel 94 then drives the second inversion wheel 96 counter-clockwise.
  • the second inversion wheel 96 drives the output gear 78, via the input gear 76, clockwise, which causes the timer wheel 16 in the same time setting direction Sh as before.
  • the elements of the device 18 for setting the time return to their initial position before setting the time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The timepiece has a setting wheel (60) driven in rotation by a winding stem (22) in a setting position and meshed with a reversing wheel (94) in an engaged position. A roller (90) respectively occupies two angular positions in two rotation directions of the winding stem. Two reversing wheels (94, 96) of the roller are meshed, in the respective angular positions, with an input pinion arranged on a staff (A6) of an output pinion (78) such that a minute wheel (16) is driven in a setting direction. The input pinion is axially shifted with respect to the output pinion.

Description

L'invention concerne une pièce d'horlogerie comportant un dispositif de mise à l'heure amélioré.The invention relates to a timepiece having an improved time setting device.

L'invention concerne plus particulièrement une pièce d'horlogerie comportant un rouage de minuterie qui entraîne en rotation des moyens d'affichage analogiques via une roue de minuterie, et un dispositif de mise à l'heure comprenant une tige de remontoir qui, lorsqu'elle occupe une position de mise à l'heure, commande la rotation de la roue de minuterie en vue d'effectuer une opération de mise à l'heure.The invention more particularly relates to a timepiece comprising a timer train which drives in rotation analog display means via a timer wheel, and a time setting device comprising a winding stem which, when it occupies a time setting position, controls the rotation of the timer wheel in order to perform a time setting operation.

Dans une pièce d'horlogerie équipée d'un mouvement comprenant un grand nombre de complications, il est pratique que la mise à l'heure ne s'effectue que dans un seul sens de rotation de la tige de remontoir, de préférence dans le sens horaire. En effet, la mise à l'heure en sens inverse peut provoquer des déplacements de pièces non prévus, par exemple dans un mécanisme de sonnerie et surtout dans un mécanisme à quantième perpétuel, ce qui conduit souvent à une détérioration de certains éléments du mouvement. L'utilisateur n'ayant pas toujours une bonne connaissance du fonctionnement de la pièce d'horlogerie et de ses complications, il arrive régulièrement que des manipulations déconseillées, comme la mise à l'heure en sens inverse, soient effectuées malgré des mises en garde, ce qui nécessite un retour de la pièce d'horlogerie en service après-vente.In a timepiece equipped with a movement comprising a large number of complications, it is convenient for the time to be set to take place only in one direction of rotation of the winding stem, preferably in the direction schedule. In fact, setting the time in the opposite direction can cause displacements of parts not provided, for example in a striking mechanism and especially in a perpetual calendar mechanism, which often leads to a deterioration of certain elements of the movement. The user does not always have a good knowledge of the operation of the timepiece and its complications, it happens regularly that unsuitable manipulations, such as setting the time in the opposite direction, are performed despite warnings , which requires a return of the timepiece in after-sales service.

La présente invention vise à remédier à ces inconvénients en proposant une pièce d'horlogerie qui permette à l'utilisateur de tourner la tige de remontoir dans les deux sens, en position de mise à l'heure, sans risque de détérioration du mouvement.The present invention aims to overcome these disadvantages by providing a timepiece that allows the user to turn the winding stem in both directions, in the setting position, without risk of deterioration of the movement.

Dans ce but, l'invention propose une pièce d'horlogerie du type décrit précédemment, caractérisée en ce que le dispositif de mise à l'heure comporte une bascule de mise à l'heure qui porte un dispositif d'accouplement et qui est commandée en pivotement par la tige de remontoir, entre une position débrayée et une position embrayée correspondant à la position de mise à l'heure de la tige de remontoir, en ce que le dispositif d'accouplement comporte un pignon de sortie qui, en position embrayée, engrène avec la roue de minuterie, et un plateau qui est monté pivotant sur la bascule de mise à l'heure et qui est pourvu d'une première et d'une seconde roues d'inversion d'axes parallèles engrenant l'une avec l'autre, en ce qu'un renvoi, qui est entraîné en rotation par la tige de remontoir en position de mise à l'heure, engrène avec la première roue d'inversion, et en ce que, en position embrayée:

  • dans un premier sens de rotation de la tige de remontoir, le plateau occupe une première position angulaire dans laquelle la première roue d'inversion engrène avec une denture agencée sur l'axe du pignon de sortie de manière que la roue de minuterie soit entraînée dans un sens de rotation déterminé appelé sens de mise à l'heure, et
  • dans un second sens de rotation de la tige de remontoir, le plateau occupe une seconde position angulaire dans laquelle la seconde roue d'inversion engrène avec la denture agencée sur l'axe du pignon de sortie de manière que la roue de minuterie soit entraînée dans le sens de mise à l'heure.
For this purpose, the invention proposes a timepiece of the type described above, characterized in that the time setting device comprises a time-setting latch which carries a coupling device and which is controlled. pivoting by the winding stem, between a disengaged position and an engaged position corresponding to the setting position of the winding stem, in that the coupling device comprises an output gear which, in the engaged position , meshes with the timer wheel, and a platen which is pivotally mounted on the time-setting latch and which is provided with first and second parallel axis reversing wheels meshing with one with the other, in that a return, which is rotated by the winding stem in the time setting position, meshes with the first reversing wheel, and that, in the engaged position:
  • in a first direction of rotation of the winding stem, the plate occupies a first angular position in which the first reversing wheel meshes with a toothing arranged on the axis of the output pinion so that the timer wheel is driven into a determined direction of rotation called the time setting direction, and
  • in a second direction of rotation of the winding stem, the plate occupies a second angular position in which the second reversing wheel meshes with the toothing arranged on the axis of the output pinion so that the timer wheel is driven into the sense of setting the time.

La pièce d'horlogerie selon l'invention permet à l'utilisateur d'effectuer la mise à l'heure sans se préoccuper du sens dans lequel il doit tourner la tige de remontoir. Quel que soit le sens dans lequel il fait tourner la tige de remontoir, il fait toujours tourner les moyens d'affichage dans le même sens, ce qui élimine le risque d'une erreur de manipulation lors de la mise à l'heure et rend la pièce d'horlogerie plus facile à utiliser.The timepiece according to the invention allows the user to perform the time setting without worrying about the direction in which he must turn the winding stem. Whatever the direction in which it rotates the winding stem, it always turns the display means in the same direction, eliminating the risk of mishandling when setting the time and makes the timepiece easier to use.

Selon une autre caractéristique de l'invention, la denture agencée sur l'axe du pignon de sortie est constituée par un pignon d'entrée qui est déporté axialement par rapport au pignon de sortie, ce qui facilite l'agencement du dispositif de mise à l'heure dans la pièce d'horlogerie en minimisant son aire d'encombrement.According to another characteristic of the invention, the toothing arranged on the axis of the output pinion is constituted by an input pinion which is offset axially relative to the output pinion, which facilitates the arrangement of the setting device. the time in the timepiece by minimizing its footprint.

Avantageusement, le plateau pivotant s'étend globalement dans un plan parallèle à la bascule de mise à l'heure, les roues d'inversion sont agencées sur une face inférieure du plateau pivotant, du côté opposé à la bascule de mise à l'heure, et le plateau est monté pivotant sur la bascule de mise à l'heure au moyen d'un pivot agencé sur la face supérieure du plateau. Le pivot s'étend axialement à travers un trou aménagé dans la bascule de mise à l'heure de manière que son extrémité axiale supérieure soit en saillie au-dessus de la face supérieure de la bascule de mise à l'heure, l'extrémité axiale supérieure du pivot comporte une gorge annulaire, et une fourchette est fixée sur la face supérieure de la bascule de mise à l'heure de manière que les bras de la fourchette soient reçus dans la gorge annulaire pour retenir axialement le plateau sur la bascule de mise à l'heure. On obtient ainsi un système pivotant particulièrement simple, avec un minimum de pièces. L'utilisation de la fourchette permet de fixer le plateau de manière pivotant sans recourir à des vis supplémentaires ou à des pièces de formes complexes, ce qui facilite les opérations de montage et de démontage du dispositif d'accouplement.Advantageously, the pivoting plate extends generally in a plane parallel to the time-setting lever, the reversing wheels are arranged on a lower face of the pivoting plate, on the side opposite to the time-setting lever. , and the plate is pivotally mounted on the time setting lever by means of a pivot arranged on the upper face of the plate. The pivot extends axially through a hole in the time-setting latch so that its upper axial end protrudes above the upper face of the time-setting latch, the end the upper axial axis of the pivot comprises an annular groove, and a fork is fixed on the upper face of the time setting lever so that the arms of the fork are received in the annular groove to axially retain the plate on the latch of setting the time. This results in a particularly simple pivoting system with a minimum of parts. The use of the fork makes it possible to fix the plate pivotally without resorting to additional screws or to pieces of complex shapes, which facilitates the assembly and disassembly operations of the coupling device.

De préférence, l'axe de pivotement de la bascule de mise à l'heure est confondu avec l'axe de rotation du renvoi ce qui garantit un bon ajustement de la position de la première roue d'inversion par rapport au renvoi.Preferably, the pivot axis of the time-setting flip-flop coincides with the axis of rotation of the return wheel which guarantees a good adjustment of the position of the first reversing wheel with respect to the return.

Selon une autre caractéristique de l'invention, la tige de remontoir comporte un pignon de mise à l'heure coaxial et, en position de mise à l'heure, le pignon de mise à l'heure est lié en rotation à la tige de remontoir et il engrène avec une roue de mise à l'heure engrenant avec le renvoi. La tige de remontoir comporte un pignon coulant coaxial et, en position de mise à l'heure, le pignon coulant engrène par une denture axiale en créneaux avec une denture complémentaire du pignon de mise à l'heure de manière à lier en rotation le pignon de mise à l'heure et la tige de remontoir. Ce mécanisme de mise à l'heure, en particulier par l'utilisation de la denture axiale en créneaux, permet de faire passer un couple d'entraînement plus important vers la roue de minuterie, tout en minimisant l'usure des dents servant à l'engrènement entre le pignon coulant et le pignon de mise à l'heure. Le risque de patinage entre le pignon coulant et le pignon de mise à l'heure est éliminé.According to another characteristic of the invention, the winding stem comprises a coaxial time setting pinion and, in the time setting position, the time setting pinion is rotatably connected to the pinion rod. winding and it meshes with a wheel of time setting meshing with the return. The winding stem comprises a coaxial sliding pinion and, in the time setting position, the sliding pinion meshes with axial teeth in crenellations with a complementary toothing of the time-setting pinion so as to bind the pinion in rotation. setting time and the winding stem. This time setting mechanism, in particular by the use of the crenellated axial toothing, makes it possible to pass a greater driving torque towards the timer wheel, while minimizing the wear of the teeth used for meshing between the sliding pinion and the setting pinion. The risk of slippage between the sliding pinion and the setting gear is eliminated.

De préférence, le dispositif de mise à l'heure comporte une tirette pivotante qui est articulée sur la tige de remontoir de manière que le coulissement axial de la tige de remontoir vers la position de mise à l'heure commande le pivotement de la tirette vers une position de mise à l'heure. Le pivotement de la tirette vers sa position de mise à l'heure commande le coulissement du pignon coulant vers sa position de mise à l'heure par l'intermédiaire d'une bascule d'entraînement coopérant avec la tirette et avec le pignon coulant, et elle commande le pivotement de la bascule de mise à l'heure vers sa position embrayée. Ce système de commande présente l'avantage d'être fiable et d'être facile à assembler.Preferably, the time setting device comprises a pivoting pull which is articulated on the winding stem so that the axial sliding of the winding stem towards the time setting position controls the pivoting of the pull rod towards a time setting position. The pivoting of the pull tab towards its time setting position causes the sliding pinion to slide towards its setting position by means of a driving rocker cooperating with the pull tab and with the sliding pinion, and it controls the pivoting of the time-shift latch to its engaged position. This control system has the advantage of being reliable and easy to assemble.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit, faite en référence aux dessins annexés donnés à titre d'exemple non limitatifs et dans lesquels :

  • la figure 1 est un schéma fonctionnel qui représente les principaux éléments de la pièce d'horlogerie selon l'invention;
  • la figure 2 est une vue de dessus qui représente le dispositif de mise à l'heure de la pièce d'horlogerie de la figure 1 en position de remontage;
  • la figure 3 est une vue similaire à celle de la figure 2 qui représente le dispositif de mise à l'heure en position de mise à l'heure et le dispositif d'accouplement équipant le dispositif de mise à l'heure lorsqu'il occupe une première position angulaire;
  • la figure 4 est une vue d'un détail de la figure 3 qui représente le dispositif d'accouplement dans une seconde position angulaire;
  • la figure 5 est une vue de côté qui représente le dispositif de mise à l'heure de la figure 3;
  • la figure 6 est une vue en perspective éclatée qui représente le dispositif d'accouplement de la figure 3.
Other features and advantages of the present invention will appear more clearly on reading the detailed description which follows, made with reference to the accompanying drawings given by way of non-limiting example and in which:
  • Figure 1 is a block diagram showing the main elements of the timepiece according to the invention;
  • Figure 2 is a top view which shows the time setting device of the timepiece of Figure 1 in the winding position;
  • FIG. 3 is a view similar to that of FIG. 2, which shows the time setting device in the time-setting position and the coupling device equipping the time-setting device when it is occupied. a first angular position;
  • Figure 4 is a view of a detail of Figure 3 which shows the coupling device in a second angular position;
  • Fig. 5 is a side view showing the time setting device of Fig. 3;
  • FIG. 6 is an exploded perspective view showing the coupling device of FIG. 3.

Dans la suite de la description, on utilisera à titre non limitatif un repère orthogonal V, L, T définissant respectivement les orientations verticale, longitudinale, transversale.In the remainder of the description, use will be made non-limitingly of an orthogonal reference V, L, T defining respectively the vertical, longitudinal, transverse orientations.

Dans les figures annexées, les dents des rouages ne sont pas représentées systématiquement, pour simplifier les dessins et faciliter la compréhension des figures.In the appended figures, the teeth of the wheels are not represented systematically, to simplify the drawings and to facilitate the understanding of the figures.

Sur la figure 1, on a représenté une pièce d'horlogerie 10 sous la forme d'un schéma fonctionnel. La pièce d'horlogerie 10 est constituée de préférence par une montre-bracelet équipée d'un mouvement horloger mécanique qui est pourvu d'un rouage de minuterie 12 entraînant en rotation des moyens d'affichage 14 analogiques tels que des aiguilles, via une roue de minuterie 16, représentée notamment sur la figure 2.In Figure 1, there is shown a timepiece 10 in the form of a block diagram. The timepiece 10 is preferably constituted by a wristwatch equipped with a mechanical watch movement which is provided with a timer train 12 driving in rotation analog display means 14 such as hands, via a wheel timer 16, shown in particular in Figure 2.

La pièce d'horlogerie 10 comporte aussi un dispositif 18 de mise à l'heure qui coopère avec le rouage de minuterie 12, en embrayant avec la roue de minuterie 16, pour modifier l'heure indiquée par les moyens d'affichage 14. Le dispositif 18 de mise à l'heure est commandé par un organe de commande manuel tel qu'une couronne de remontoir 20.The timepiece 10 also includes a device 18 for setting the time which cooperates with the timer train 12, by engaging with the timer wheel 16, to change the time indicated by the display means 14. The setting device 18 is controlled by a manual control device such as a winding crown 20.

Le dispositif 18 de mise à l'heure est représenté plus en détail sur les figures 2 à 4. Il comporte une tige de remontoir 22 coulissant suivant un axe A1 longitudinal orienté, à titre non limitatif, de l'intérieur vers l'extérieur, ce qui correspond à une orientation de gauche à droite sur la figure 2. La couronne de remontoir 20 est prévue pour être fixée sur l'extrémité axiale externe 24 de la tige de remontoir 22 de manière à permettre à l'utilisateur, d'une part, de commander la rotation de la tige de remontoir 22 autour de son axe A1 et, d'autre part, de commander le coulissement axial (A1) de la tige de remontoir 22.The hour-setting device 18 is shown in greater detail in FIGS. 2 to 4. It comprises a winding stem 22 sliding along a longitudinal axis A1 oriented, without limitation, from the inside to the outside, which corresponds to a left-to-right orientation in FIG. 2. The winding crown 20 is designed to be fixed on the external axial end 24 of the winding stem 22 so as to allow the user to on the other hand, to control the rotation of the winding stem 22 about its axis A1 and, secondly, to control the axial sliding (A1) of the winding stem 22.

La tige de remontoir 22 comporte au moins deux positions axiales distinctes, une position neutre vers l'intérieur, dite position de remontage Pr, et une position tirée vers l'extérieur, dite position de mise à l'heure Ph, ces deux positions Pr, Ph étant représentées respectivement sur les figures 2 et 3. La fonction de ses deux positions sera expliquée par la suite.The winding stem 22 comprises at least two distinct axial positions, a neutral position towards the inside, called the winding position Pr, and a position pulled outwards, called the setting position Ph, these two positions Pr , Ph being shown respectively in Figures 2 and 3. The function of its two positions will be explained later.

Dans la suite de la description, les axes de pivotement et de rotation mentionnés sont, sauf indication contraire, sensiblement verticaux, ce qui correspond à l'orientation des axes du rouage de minuterie 12.In the following description, the axes of rotation and rotation mentioned are, unless otherwise indicated, substantially vertical, which corresponds to the orientation of the axes of the clock train 12.

Une tirette 26 est commandée en pivotement par la tige de remontoir 22. La tirette 26 pivote autour d'un axe fixe A2, du côté opposé à son extrémité libre 28, et elle comporte un axe d'articulation A3 mobile qui est agencé sur la tige de remontoir 22 et qui est solidaire en coulissement axial (A1) de la tige de remontoir 22. L'axe d'articulation A3 est agencé ici entre l'axe fixe A2 et l'extrémité libre 28 de la tirette 26.A pull tab 26 is pivotally controlled by the winding stem 22. The pull tab 26 pivots around a fixed axis A2, on the opposite side to its free end 28, and it comprises a movable axis of articulation A3 which is arranged on the winding stem 22 and which is fixed in axial sliding (A1) of the winding stem 22. The axis of articulation A3 is arranged here between the fixed axis A2 and the free end 28 of the pull tab 26.

Un pignon coulant 30, qui est coaxial et solidaire en rotation de la tige de remontoir 22, est guidé en coulissement longitudinal sur la tige de remontoir 22 entre une position de remontage Pr dans laquelle son extrémité interne 32 engrène avec un pignon de remontoir 34 coaxial à la tige de remontoir 22, et une position de mise à l'heure Ph dans laquelle son extrémité externe 36 engrène avec un pignon de mise à l'heure 38 coaxial à la tige de remontoir 22. Le pignon coulant 30 engrène ici avec le pignon de remontoir 34 par une denture en dents de loup.A sliding pinion 30, which is coaxial and rotatably connected to the winding rod 22, is guided in longitudinal sliding on the winding stem 22 between a winding position Pr in which its inner end 32 meshes with a coaxial winding pinion 34 to the winding stem 22, and a time-setting position Ph in which its outer end 36 meshes with a setting pinion 38 coaxial with the winding stem 22. The sliding pinion 30 meshes here with the winding pinion 34 by teeth in wolf teeth.

Le pignon de remontoir 34 et le pignon de mise à l'heure 38 sont montés libres à rotation sur la tige de remontoir 22, le pignon coulant 30 servant à lier en rotation l'un ou l'autre de ces deux pignons 34, 38 avec la tige de remontoir 22.The winding pinion 34 and the setting pinion 38 are mounted free to rotate on the winding stem 22, the sliding pinion 30 serving to link in rotation one or the other of these two pinions 34, 38 with the winding stem 22.

Selon un mode de réalisation avantageux, le pignon coulant 30 engrène avec le pignon de mise à l'heure 38 par une denture axiale en forme de créneaux, le profil des dents 40 étant sensiblement rectangulaire. Chaque dent 40 a globalement la forme d'un pavé.According to an advantageous embodiment, the sliding pinion 30 meshes with the setting pinion 38 by a crenellated axial toothing, the profile of the teeth 40 being substantially rectangular. Each tooth 40 is generally in the form of a block.

Le tronçon intermédiaire du pignon coulant 30 est pourvu d'une gorge 42 annulaire périphérique qui est prévue pour recevoir à articulation l'extrémité libre 44 du doigt d'entraînement 46 appartenant à une bascule d'entraînement 48 en forme de col de cygne. La bascule d'entraînement 48 pivote autour d'un axe A4 fixe et comporte un bras de commande 50 muni d'un pion 52 qui est sollicité élastiquement en appui contre une surface interne 54 de la tirette 26, au voisinage de l'extrémité libre 28 de la tirette 26. La bascule d'entraînement 48 comporte ici une languette 56 élastique qui est maintenue déformée élastiquement contre un élément fixe en vue de solliciter le pion 52 contre la tirette 26. Ainsi, un pivotement de la tirette 26 vers la position de mise à l'heure Ph provoque un pivotement de la bascule d'entraînement 48 ce qui entraîne le pignon coulant 30, au moyen du doigt d'entraînement 46, vers l'extérieur, c'est-à-dire vers la position de mise à l'heure Ph.The intermediate portion of the sliding pinion 30 is provided with a peripheral annular groove 42 which is designed to receive the free end 44 of the drive finger 46 belonging to a swivel-shaped drive rocker 48 in a hinged manner. The drive rocker 48 pivots around a fixed axis A4 and comprises a control arm 50 provided with a pin 52 which is resiliently biased against an inner surface 54 of the pull tab 26, in the vicinity of the free end 28 of the pull tab 26. The drive rocker 48 here comprises an elastic tongue 56 which is held elastically deformed against a fixed element in order to urge the pin 52 against the pull tab 26. Thus, a pivoting of the pull tab 26 to the position time setting Ph causes a pivoting of the drive rocker 48 which drives the sliding pinion 30, by means of the drive finger 46, outwardly, that is to say towards the position of setting the time Ph.

Le pignon de mise à l'heure 38 engrène avec une roue de mise à l'heure 58 qui s'étend ici dans un plan horizontal, sous la tige de remontoir 22. La roue de mise à l'heure 58 engrène avec un renvoi 60 d'axe A5.The time setting pinion 38 meshes with a time setting wheel 58 which here extends in a horizontal plane, under the winding stem 22. The time setting wheel 58 meshes with a return wheel 60 axis A5.

Selon le mode de réalisation représenté ici, l'élément fixe contre lequel s'appuie la languette 56 élastique est constitué par l'axe A5 du renvoi 60.According to the embodiment represented here, the fixed element against which the elastic tongue 56 rests is constituted by the axis A5 of the return 60.

Conformément aux enseignements de l'invention, le dispositif 18 de mise à l'heure comporte une bascule 62 de mise à l'heure qui porte un dispositif 64 d'accouplement, représenté en détail sur la figure 6, et qui est commandée en pivotement autour d'un axe A5 par la tige de remontoir 22, entre une position débrayée Pd et une position embrayée Pe correspondant respectivement à la position de remontage Pr et à la position de mise à l'heure Ph de la tige de remontoir 22.In accordance with the teachings of the invention, the time-setting device 18 comprises a time-setting flip-flop 62 which carries a device 64 of coupling, shown in detail in Figure 6, and which is controlled pivotally about an axis A5 by the winding stem 22, between a disengaged position Pd and an engaged position Pe respectively corresponding to the winding position Pr and at the time setting position Ph of the winding stem 22.

La bascule 62 de mise à l'heure est ici montée pivotante autour de l'axe A5 du renvoi 60. Selon le mode de réalisation représenté, elle s'étend globalement suivant une direction générale D1 contenue dans un plan horizontal et elle comprend, de part et d'autre de son axe A5 de pivotement, un premier bras 66 qui s'étend du côté de la tige de remontoir 22 et un second bras 68 qui s'étend du côté opposé à la tige de remontoir 22 et qui porte le dispositif 64 d'accouplement à son extrémité libre.The clocking flip-flop 62 is here pivotally mounted about the axis A5 of the reference 60. According to the embodiment shown, it extends generally along a general direction D1 contained in a horizontal plane and comprises: on either side of its axis A5 pivoting, a first arm 66 which extends on the side of the winding stem 22 and a second arm 68 which extends on the opposite side to the winding stem 22 and which carries the coupling device 64 at its free end.

L'extrémité libre du premier bras 66 est ici munie d'un pion 70 qui est agencé sur la face supérieure 72 de la bascule 24 et qui est sollicité élastiquement en appui contre la surface interne 54 de l'extrémité libre 28 de la tirette 26, lorsque la tirette 26 occupe sa position de remontage Pr.The free end of the first arm 66 is here provided with a pin 70 which is arranged on the upper face 72 of the rocker 24 and which is biased resiliently bearing against the inner surface 54 of the free end 28 of the zipper 26 when the pull tab 26 is in its winding position Pr.

Selon une variante de réalisation (non représentée), le pion 70 peut être agencé sur une bascule intermédiaire qui est commandée en pivotement par la tirette 26 et qui vient en appui contre la bascule 62 de mise à l'heure pour commander le pivotement de la bascule 62 de mise à l'heure vers la position embrayée Pe.According to an alternative embodiment (not shown), the pin 70 can be arranged on an intermediate lever which is pivotally controlled by the pull tab 26 and which bears against the time-setting lever 62 for controlling the pivoting of the latch. time setting flip-flop 62 to the engaged position Pe.

Le dispositif 64 d'accouplement comporte un arbre d'entraînement 74 d'axe A6 qui est pourvu, à son extrémité inférieure, d'un pignon d'entrée 76 et, à son extrémité supérieure, d'un pignon de sortie 78 prévu pour engrener avec la roue de minuterie 16, lorsque la bascule 62 de mise à l'heure occupe sa position embrayée Pe. Les deux pignons 76, 78 sont solidaires en rotation avec l'arbre d'entraînement 74.The coupling device 64 comprises a drive shaft 74 of axis A6 which is provided, at its lower end, with an input pinion 76 and, at its upper end, with an output pinion 78 designed to meshing with the timer wheel 16, when the time-setting latch 62 is in its engaged position Pe. The two pinions 76, 78 are integral in rotation with the drive shaft 74.

L'arbre d'entraînement 74 est monté libre à rotation sur la bascule 62 de mise à l'heure. A cet effet, la bascule 62 de mise à l'heure comporte un oeillet inférieur 80 qui est décalé orthogonalement par rapport à la direction générale D1 et qui s'étend dans le plan de la bascule 62 de mise à l'heure pour porter le palier inférieur 82 de l'arbre d'entraînement 74. Une pièce de support 84 qui comporte un oeillet supérieur 86 est fixée sur la face supérieure 72 de la bascule 62 de mise à l'heure pour porter le palier supérieur 88 de l'arbre d'entraînement 74.The drive shaft 74 is rotatably mounted on the latch 62 for setting the time. For this purpose, the time-setting flip-flop 62 comprises a lower eyelet 80 which is offset orthogonally with respect to the general direction D1 and which extends in the plane of the time-setting latch 62 to carry the lower bearing 82 of the drive shaft 74. A support piece 84 which has an upper eyelet 86 is fixed on the upper face 72 of the time-setting lever 62 for carrying the upper bearing 88 of the shaft Training 74.

Le pignon d'entrée 76 est ici agencé au-dessous de l'oeillet inférieur 80 et le pignon de sortie 78 est ici agencé au-dessus de l'oeillet supérieur 86. Les deux pignons 76, 78 sont donc déportés axialement (A6) l'un par rapport à l'autre sur l'arbre d'entraînement 74.The input pinion 76 is here arranged below the lower eyelet 80 and the output pinion 78 is here arranged above the upper eyelet 86. The two pinions 76, 78 are therefore offset axially (A6). relative to each other on the drive shaft 74.

Le dispositif 64 d'accouplement comporte aussi un plateau 90 qui est monté pivotant autour d'un axe A7 sur la face inférieure 92 de la bascule 62 de mise à l'heure et qui est pourvu d'une première et d'une seconde roues d'inversion 94, 96 d'axes A8, A9 parallèles engrenant l'une avec l'autre, la première roue d'inversion 94 engrenant aussi avec le renvoi 60.The coupling device 64 also comprises a plate 90 which is pivotally mounted about an axis A7 on the lower face 92 of the time-setting lever 62 and is provided with a first and a second wheel. 94, 96 of A8, A9 parallel axes meshing with each other, the first reversing wheel 94 also meshing with the reference 60.

En position embrayée, suivant le sens de rotation du renvoi 60, qui dépend du sens de rotation de la tige de remontoir 22, le plateau 90 occupe, soit une première position angulaire dans laquelle c'est la seconde roue d'inversion 96 qui engrène avec le pignon d'entrée 76, ce qui correspond à la position représentée sur la figure 3, soit une seconde position angulaire dans laquelle c'est la première roue d'inversion 94 qui engrène avec le pignon d'entrée 76, ce qui correspond à la position représentée sur la figure 4In the engaged position, according to the direction of rotation of the reference 60, which depends on the direction of rotation of the winding stem 22, the plate 90 occupies either a first angular position in which it is the second reversing wheel 96 which meshes with the input gear 76, which corresponds to the position shown in Figure 3, a second angular position in which it is the first reversing wheel 94 which meshes with the input gear 76, which corresponds at the position shown in Figure 4

Le pignon d'entrée 76 constitue une denture d'entraînement qui permet l'entraînement en rotation du pignon de sortie 78 via l'une ou l'autre des roues d'inversion 94, 96.The input gear 76 constitutes a drive gear that allows the output gear 78 to be rotated via one or the other of the reversing wheels 94, 96.

Selon un mode de réalisation avantageux, le plateau 90 s'étend globalement dans un plan parallèle à la bascule 62 de mise à l'heure et les roues d'inversion 94, 96 sont agencées sur la face inférieure 98 du plateau 90. Le plateau 90 est monté pivotant sur la bascule 62 de mise à l'heure au moyen d'un pivot 100 agencé sur sa face supérieure 102. Le pivot 100 s'étend axialement (A7) à travers un trou 104 aménagé dans la bascule 62 de mise à l'heure de manière que son extrémité axiale supérieure 106 soit en saillie au-dessus de la face supérieure 72 de la bascule 62. L'extrémité axiale supérieure 106 du pivot 100 comporte une gorge annulaire 108, et une fourchette 110 est fixée sur la face supérieure 72 de la bascule 62 de mise à l'heure de sorte que les deux bras 112, 114 de la fourchette 110 soient reçus dans la gorge annulaire 108 du pivot 100 pour retenir axialement le plateau 90 sur la bascule 62 de mise à l'heure.According to an advantageous embodiment, the plate 90 extends generally in a plane parallel to the time-setting latch 62 and the inversion wheels 94, 96 are arranged on the lower face 98 of the plate 90. 90 is pivotally mounted on the time-of-use flip-flop 62 by means of a pivot 100 arranged on its upper face 102. The pivot 100 extends axially (A7) through a hole 104 provided in the setting rocker 62 at the time so that its upper axial end 106 is projecting above the upper face 72 of the rocker 62. The upper axial end 106 of the pivot 100 comprises an annular groove 108, and a fork 110 is fixed on the upper face 72 of the flip-flop 62 so that the two arms 112, 114 of the fork 110 are received in the annular groove 108 of the pivot 100 to axially retain the plate 90 on the latch 62 of time.

On explique maintenant le fonctionnement du dispositif 18 de mise à l'heure de la pièce d'horlogerie 10 selon l'invention à partir de la position de remontage Pr de la figure 2.The operation of the device 18 for setting the time of the timepiece 10 according to the invention from the winding position Pr of FIG. 2 is now explained.

En position de remontage Pr, le pignon coulant 30 rend solidaire en rotation la tige de remontoir 22 avec le pignon de remontoir 34 pour permettre le remontage du mouvement de la pièce d'horlogerie 10. Le pignon de mise à l'heure 38 est libre à rotation par rapport à la tige de remontoir 22 et la bascule 62 de mise à l'heure occupe sa position débrayée Pd, de sorte que le pignon de sortie 78 est éloigné radialement de la roue de minuterie 16.In the winding position Pr, the sliding pinion 30 rotates the winding stem 22 with the winding pinion 34 in order to allow the movement of the timepiece 10 to be reassembled. The time setting pinion 38 is free. rotational with respect to the winding stem 22 and the time-setting latch 62 occupies its disengaged position Pd, so that the output pinion 78 is radially away from the timer wheel 16.

Lorsqu'il souhaite effectuer une opération de mise à l'heure, l'utilisateur saisit la couronne de remontoir 20 pour faire coulisser longitudinalement A1 la tige de remontoir 22 vers l'extérieur jusqu'à sa position de mise à l'heure Ph. En coulissant vers l'extérieur, la tige de remontoir 22 provoque le pivotement de la tirette 26, dans le sens anti-horaire en considérant la figure 2.When he wishes to carry out a time-setting operation, the user grasps the winding crown 20 to longitudinally slide A1 the winding stem 22 outwards to its setting position Ph. By sliding outwards, the winding stem 22 causes the pivoting of the pull tab 26, in the counter-clockwise direction, considering FIG. 2.

Comme le pion 52 de la bascule d'entraînement 48 est sollicité en appui contre la tirette 26 par la languette 56 élastique, le pivotement de la tirette 26 provoque le pivotement de la bascule d'entraînement 48, ici dans le sens horaire, et le doigt d'entraînement 46 provoque le coulissement longitudinal A1 du pignon coulant 30 jusqu'à sa position de mise à l'heure Ph dans laquelle il engrène avec le pignon de mise à l'heure 38.As the pin 52 of the drive rocker 48 is biased against the pull tab 26 by the elastic tongue 56, the pivoting of the pull tab 26 causes the pivoting of the drive rocker 48, here in the clockwise direction, and the drive finger 46 causes the longitudinal sliding A1 of the sliding pinion 30 to its time setting position Ph in which it meshes with the setting pinion 38.

Simultanément, en coulissant vers l'extérieur, la tige de remontoir 22 provoque le pivotement de la bascule 62 de mise à l'heure vers sa position embrayée Pe, sous l'effet d'un élément élastique 116 qui sollicite le pion 70 contre la tirette 26.Simultaneously, by sliding outwards, the winding stem 22 causes the flip-flop 62 to turn to its engaged position Pe, under the effect of an elastic element 116 which urges the pin 70 against the zipper 26.

En position de mise à l'heure Ph et en position embrayée Pe, l'utilisateur peut effectuer la mise à l'heure des moyens d'affichage 14 en faisant tourner la tige de remontoir 22 autour de son axe A1 au moyen de la couronne de remontoir 20.In the setting position Ph and in the engaged position Pe, the user can perform the time setting of the display means 14 by rotating the winding stem 22 about its axis A1 by means of the crown winding 20.

Dans un premier sens de rotation de la tige de remontoir 22, le pignon de mise à l'heure 38 entraîne le renvoi 60, via la roue de mise à l'heure 58, par exemple dans le sens horaire, en considérant la figure 3. La première roue d'inversion 94 tourne alors dans le sens anti-horaire et elle est sollicitée contre le pignon d'entrée 76 de sorte que le plateau 90 occupe sa seconde position angulaire (figure 4). La première roue d'inversion 94 entraîne alors le pignon de sortie 78, via le pignon d'entrée 76, dans le sens horaire, ce qui entraîne en rotation la roue de minuterie 16 dans le sens de mise à l'heure Sh qui est le sens anti-horaire en considérant la figure 3.In a first direction of rotation of the winding stem 22, the setting pinion 38 causes the return 60, via the time setting wheel 58, for example in the clockwise direction, with reference to FIG. The first reversing wheel 94 then rotates counter-clockwise and is biased against the input gear 76 so that the plate 90 occupies its second angular position (FIG. The first reversing wheel 94 then drives the output gear 78, via the input gear 76, clockwise, thereby rotating the timer wheel 16 in the time-setting direction Sh which is counter clockwise considering Figure 3.

Si l'utilisateur change le sens de rotation de la tige de remontoir 22, alors le pignon de mise à l'heure 38 entraîne le renvoi 60 dans le sens anti-horaire. La première roue d'inversion 94 tourne alors dans le sens horaire et elle roule sur le renvoi 60 en faisant pivoter le plateau 90 jusqu'à sa première position angulaire dans laquelle la seconde roue d'inversion 96 est sollicitée contre le pignon d'entrée 76. La première roue d'inversion 94 entraîne alors la seconde roue d'inversion 96 dans le sens anti-horaire. La seconde roue d'inversion 96 entraîne le pignon de sortie 78, via le pignon d'entrée 76, dans le sens horaire, ce qui entraîne la roue de minuterie 16 dans le même sens de mise à l'heure Sh que précédemment.If the user changes the direction of rotation of the winding stem 22, then the setting pinion 38 causes the return 60 in the counter-clockwise direction. The first reversing wheel 94 then rotates clockwise and rolls on the return 60 by pivoting the plate 90 to its first angular position in which the second reversing wheel 96 is biased against the input pinion. 76. The first inversion wheel 94 then drives the second inversion wheel 96 counter-clockwise. The second inversion wheel 96 drives the output gear 78, via the input gear 76, clockwise, which causes the timer wheel 16 in the same time setting direction Sh as before.

Ainsi, quel que soit le sens dans lequel l'utilisateur tourne la tige de remontoir 22, y compris s'il change de sens au cours de l'opération de mise à l'heure, la roue de minuterie 16 et les organes d'affichage analogiques tournent toujours dans le même sens, éliminant tout risque d'erreur de manipulation.Thus, regardless of the direction in which the user turns the winding stem 22, even if it changes direction during the setting operation, the wheel Timer 16 and analog display devices always turn in the same direction, eliminating any risk of mishandling.

Lorsque l'utilisateur repousse la tige de remontoir 22 vers la position de remontage Pr, les éléments du dispositif 18 de mise à l'heure reprennent leur position initiale avant mise à l'heure.When the user pushes the winding stem 22 to the winding position Pr, the elements of the device 18 for setting the time return to their initial position before setting the time.

Claims (9)

Pièce d'horlogerie (10) comportant un rouage de minuterie (12) qui entraîne en rotation des moyens d'affichage (14) analogiques via une roue de minuterie (16), et un dispositif (18) de mise à l'heure comprenant une tige de remontoir (22) qui, lorsqu'elle occupe une position de mise à l'heure (Ph), commande la rotation de la roue de minuterie (16) en vue d'effectuer une opération de mise à l'heure,
caractérisée en ce que le dispositif (18) de mise à l'heure comporte une bascule de mise à l'heure (62) qui porte un dispositif (64) d'accouplement et qui est commandée en pivotement par la tige de remontoir (22), entre une position débrayée (Pd) et une position embrayée (Pe) correspondant à la position de mise à l'heure (Ph) de la tige de remontoir (22), en ce que le dispositif (64) d'accouplement comporte un pignon de sortie (78) qui, en position embrayée (Pe), engrène avec la roue de minuterie (16), et un plateau (90) qui est monté pivotant sur la bascule (62) de mise à l'heure et qui est pourvu d'une première et d'une seconde roues d'inversion (94, 96) d'axes (A8, A9) parallèles engrenant l'une avec l'autre, en ce qu'un renvoi (60), qui est entraîné en rotation par la tige de remontoir (22) en position de mise à l'heure (Ph), engrène avec la première roue d'inversion (94), et en ce que, en position embrayée (Pe): - dans un premier sens de rotation de la tige de remontoir (22), le plateau (90) occupe une première position angulaire dans laquelle la première roue d'inversion (94) engrène avec une denture (76) agencée sur l'axe (A6) du pignon de sortie (78) de manière que la roue de minuterie (16) soit entraînée dans un sens de rotation déterminé appelé sens de mise à l'heure (Sh), et - dans un second sens de rotation de la tige de remontoir (22), le plateau (90) occupe une seconde position angulaire dans laquelle la seconde roue d'inversion (96) engrène avec la denture (76) agencée sur l'axe (A6) du pignon de sortie (78) de manière que la roue de minuterie (16) soit entraînée dans le sens de mise à l'heure (Sh). Timepiece (10) having a timer train (12) which rotates analog display means (14) via a timer wheel (16), and a time-setting device (18) comprising a winding stem (22) which, when in a time setting position (Ph), controls the rotation of the timer wheel (16) to perform a time setting operation,
characterized in that the time setting device (18) comprises a time setting latch (62) which carries a coupling device (64) and which is pivotally controlled by the winding stem (22). ), between a disengaged position (Pd) and an engaged position (Pe) corresponding to the setting position (Ph) of the winding stem (22), in that the coupling device (64) comprises an output gear (78) which, in the engaged position (Pe), meshes with the timer wheel (16), and a platen (90) which is pivotally mounted on the time-setting latch (62) and which is provided with first and second reversing wheels (94, 96) of parallel axes (A8, A9) meshing with each other, in that a deflection (60), which is rotated by the winding stem (22) in the setting position (Ph), meshes with the first reversing wheel (94), and in that in the engaged position (Pe): in a first direction of rotation of the winding stem (22), the plate (90) occupies a first angular position in which the first reversing wheel (94) meshes with a toothing (76) arranged on the axis ( A6) of the output gear (78) so that the timer wheel (16) is driven in a determined direction of rotation called the time setting direction (Sh), and in a second direction of rotation of the winding stem (22), the plate (90) occupies a second angular position in which the second inversion wheel (96) meshes with the toothing (76) arranged on the axis ( A6) of the output gear (78) so that the timer wheel (16) is driven in the time setting direction (Sh). Pièce d'horlogerie (10) selon la revendication précédente, caractérisée en ce que la denture (76) agencée sur l'axe (A6) du pignon de sortie (78) est constituée par un pignon d'entrée (76) qui est déporté axialement par rapport au pignon de sortie (78).Timepiece (10) according to the preceding claim, characterized in that the toothing (76) arranged on the axis (A6) of the output gear (78) is constituted by an input pinion (76) which is deported axially with respect to the output gear (78). Pièce d'horlogerie (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que le plateau (90) s'étend globalement dans un plan parallèle à la bascule (62) de mise à l'heure, en ce que les roues d'inversion (94, 96) sont agencées sur une face inférieure (98) du plateau (90), du côté opposé à la bascule (62) de mise à l'heure, et en ce que le plateau (90) est monté pivotant sur la bascule (62) de mise à l'heure au moyen d'un pivot (100) agencé sur la face supérieure (102) du plateau (90).Timepiece (10) according to any one of the preceding claims, characterized in that the plate (90) extends generally in a plane parallel to the time-setting latch (62), in that the reversing wheels (94, 96) are arranged on a lower face (98) of the plate (90), on the opposite side to the time-setting lever (62), and in that the plate (90) is pivotally mounted on the rocker (62). ) setting time by means of a pivot (100) arranged on the upper face (102) of the plate (90). Pièce d'horlogerie (10) selon la revendication précédente, caractérisée en ce que le pivot (100) s'étend axialement à travers un trou (104) aménagé dans la bascule (62) de mise à l'heure de manière que son extrémité axiale supérieure (106) soit en saillie au-dessus de la face supérieure (72) de la bascule (62) de mise à l'heure, en ce que l'extrémité axiale supérieure (106) du pivot (100) comporte une gorge annulaire (108), et en ce qu'une fourchette (110) est fixée sur la face supérieure (72) de la bascule (62) de mise à l'heure de manière que les bras (112, 114) de la fourchette (110) soient reçus dans la gorge annulaire (108) pour retenir axialement le plateau (90) sur la bascule (62) de mise à l'heure.Timepiece (10) according to the preceding claim, characterized in that the pivot (100) extends axially through a hole (104) arranged in the latch (62) for setting the time so that its end upper axial axis (106) projecting above the upper face (72) of the time-setting lever (62), in that the upper axial end (106) of the pivot (100) comprises a groove annular (108), and that a fork (110) is fixed on the upper face (72) of the time-setting lever (62) so that the arms (112, 114) of the fork ( 110) are received in the annular groove (108) to axially retain the plate (90) on the time-setting latch (62). Pièce d'horlogerie (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'axe (A5) de pivotement de la bascule (62) de mise à l'heure est confondu avec l'axe (A5) de rotation du renvoi (60).Timepiece (10) according to any one of the preceding claims, characterized in that the pivot axis (A5) of the time-setting lever (62) coincides with the axis (A5) of rotation of the return (60). Pièce d'horlogerie (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la tige de remontoir (22) comporte un pignon de mise à l'heure (38) coaxial et en ce que, en position de mise à l'heure (Ph), le pignon de mise à l'heure (38) est lié en rotation à la tige de remontoir (22) et il engrène avec une roue de mise à l'heure (58) engrenant avec le renvoi (60).Timepiece (10) according to any one of the preceding claims, characterized in that the winding stem (22) comprises a coaxial setting pinion (38) and that , in the setting position at the time (Ph), the setting gear (38) is rotatably connected to the winding stem (22) and meshes with a setting wheel (58) meshing with the gear ( 60). Pièce d'horlogerie (10) selon la revendication précédente, caractérisée en ce que la tige de remontoir (22) comporte un pignon coulant (30) coaxial et en ce que, en position de mise à l'heure (Ph), le pignon coulant (30) engrène par une denture axiale en créneaux avec une denture complémentaire du pignon de mise à l'heure (38) de manière à lier en rotation le pignon de mise à l'heure (38) et la tige de remontoir (22).Timepiece (10) according to the preceding claim, characterized in that the winding stem (22) comprises a coaxial sliding pinion (30) and that , in the setting position (Ph), the pinion runner (30) meshes with a crenellated axial toothing with a complementary toothing of the time setting gear (38) so as to connect in rotation the setting pinion (38) and the winding stem (22). ). Pièce d'horlogerie (10) selon la revendication précédente, caractérisée en ce que le dispositif (18) de mise à l'heure comporte une tirette (26) pivotante qui est articulée sur la tige de remontoir (22) de manière que le coulissement axial de la tige de remontoir (22) vers la position de mise à l'heure (Ph) commande le pivotement de la tirette (26) vers une position de mise à l'heure (Ph), et en ce que le pivotement de la tirette (26) vers sa position de mise à l'heure (Ph) commande le coulissement du pignon coulant (30) vers sa position de mise à l'heure (Ph) par l'intermédiaire d'une bascule d'entraînement (48) coopérant avec la tirette (26) et avec le pignon coulant (30).Timepiece (10) according to the preceding claim, characterized in that the device (18) for setting the time comprises a pivoting pull (26) which is articulated on the winding stem (22) so that the sliding axial movement of the winding stem (22) to the setting position (Ph) controls the pivoting of the pull rod (26) to a time-setting position (Ph), and that the pivoting of the pull tab (26) towards its setting position (Ph) controls sliding of the sliding pinion (30) towards its setting position (Ph) by means of a driving lever ( 48) cooperating with the pull tab (26) and with the sliding pinion (30). Pièce d'horlogerie (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif (18) de mise à l'heure comporte une tirette (26) pivotante qui est articulée sur la tige de remontoir (22) de manière que le coulissement axial de la tige de remontoir (22) vers la position de mise à l'heure (Ph) commande le pivotement de la tirette (22) vers sa position de mise à l'heure (Ph), et en ce que le pivotement de la tirette (26) vers sa position de mise à l'heure (Ph) commande le pivotement de la bascule (62) de mise à l'heure vers sa position embrayée (Pe).Timepiece (10) according to any one of the preceding claims, characterized in that the device (18) for setting the time comprises a swivel (26) pivoting which is articulated on the winding stem (22) of whereby axial sliding of the winding stem (22) to the time-setting position (Ph) controls the pivoting of the pull tab (22) to its time-setting position (Ph), and in that that the pivoting of the pull tab (26) to its time setting position (Ph) controls the pivoting of the time setting lever (62) to its engaged position (Pe).
EP06114759A 2006-05-31 2006-05-31 Timepiece comprising an improved time-setting mechanism Active EP1862871B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP06114759A EP1862871B1 (en) 2006-05-31 2006-05-31 Timepiece comprising an improved time-setting mechanism
DE602006001298T DE602006001298D1 (en) 2006-05-31 2006-05-31 Clock comprising an improved time setting device
AT06114759T ATE396436T1 (en) 2006-05-31 2006-05-31 CLOCK COMPRISING AN IMPROVED TIME SETTING DEVICE
SG200703784-9A SG137819A1 (en) 2006-05-31 2007-05-25 Timepiece comprising an improved time-setting device
JP2007143382A JP5030091B2 (en) 2006-05-31 2007-05-30 Clock with improved time setting device
US11/755,863 US7654731B2 (en) 2006-05-31 2007-05-31 Timepiece comprising an improved time-setting device
CN2007101085295A CN101082805B (en) 2006-05-31 2007-05-31 Timepiece comprising an improved time-setting mechanism
HK08102756.2A HK1116262A1 (en) 2006-05-31 2008-03-10 Timepiece comprising an improved time-setting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06114759A EP1862871B1 (en) 2006-05-31 2006-05-31 Timepiece comprising an improved time-setting mechanism

Publications (2)

Publication Number Publication Date
EP1862871A1 true EP1862871A1 (en) 2007-12-05
EP1862871B1 EP1862871B1 (en) 2008-05-21

Family

ID=37769414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114759A Active EP1862871B1 (en) 2006-05-31 2006-05-31 Timepiece comprising an improved time-setting mechanism

Country Status (8)

Country Link
US (1) US7654731B2 (en)
EP (1) EP1862871B1 (en)
JP (1) JP5030091B2 (en)
CN (1) CN101082805B (en)
AT (1) ATE396436T1 (en)
DE (1) DE602006001298D1 (en)
HK (1) HK1116262A1 (en)
SG (1) SG137819A1 (en)

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EP2133758A1 (en) * 2008-06-12 2009-12-16 Blancpain S.A. Timepiece with a striking mechanism
CN102262390B (en) * 2010-05-28 2012-11-21 天津海鸥表业集团有限公司 Winding hand-setting conversion mechanism of watch
EP3339967A1 (en) * 2011-06-21 2018-06-27 Rolex Sa Timepiece including a winding mechanism and at least one correction mechanism operating on at least one indicating component
US9164482B2 (en) * 2012-08-21 2015-10-20 Rolex S.A. Coupling lever and coupling device for a horology mechanism
EP2945024B1 (en) * 2014-05-14 2017-07-12 ETA SA Manufacture Horlogère Suisse Timepiece lever
EP2945026B1 (en) * 2014-05-14 2018-01-03 ETA SA Manufacture Horlogère Suisse Quick correction mechanism of a timepiece
CH709796A1 (en) * 2014-06-19 2015-12-31 Société Anonyme De La Manufacture D Horlogerie Audemars Piguet & Cie An rocker clutch timepiece.
EP3376309B1 (en) * 2017-03-17 2022-05-18 Montres Jaquet Droz SA Winding mechanism of a timepiece
EP3462251B1 (en) * 2017-09-29 2020-06-10 Montres Breguet S.A. Time-setting mechanism for a clock movement

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GB1241936A (en) * 1968-08-09 1971-08-04 Seiko Instr & Electronics Hand setting mechanism for a timepiece
CH539287A (en) * 1970-07-10 1973-03-30 Omega Brandt & Freres Sa Louis Calendar watch whose hour hand can be moved by itself
EP0640892A1 (en) * 1993-08-31 1995-03-01 Eta SA Fabriques d'Ebauches Timepiece
WO2002077721A1 (en) * 2001-03-21 2002-10-03 Glashütter Uhrenbetrieb GmbH Device for adjusting a time indicator

Also Published As

Publication number Publication date
JP5030091B2 (en) 2012-09-19
EP1862871B1 (en) 2008-05-21
HK1116262A1 (en) 2008-12-19
US7654731B2 (en) 2010-02-02
US20080259741A1 (en) 2008-10-23
DE602006001298D1 (en) 2008-07-03
ATE396436T1 (en) 2008-06-15
CN101082805A (en) 2007-12-05
CN101082805B (en) 2010-11-17
JP2007322430A (en) 2007-12-13
SG137819A1 (en) 2007-12-28

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