EP1906269A1 - Watch movement including retaining plate for a display ring - Google Patents

Watch movement including retaining plate for a display ring Download PDF

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Publication number
EP1906269A1
EP1906269A1 EP06121273A EP06121273A EP1906269A1 EP 1906269 A1 EP1906269 A1 EP 1906269A1 EP 06121273 A EP06121273 A EP 06121273A EP 06121273 A EP06121273 A EP 06121273A EP 1906269 A1 EP1906269 A1 EP 1906269A1
Authority
EP
European Patent Office
Prior art keywords
plate
holding plate
ring
movement
angular position
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
EP06121273A
Other languages
German (de)
French (fr)
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EP1906269B1 (en
Inventor
Christian Racine
Christophe Cattin
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.)
ETA Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse 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 ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to DE602006007855T priority Critical patent/DE602006007855D1/en
Priority to EP06121273A priority patent/EP1906269B1/en
Priority to SG200706286-2A priority patent/SG141326A1/en
Priority to US11/845,315 priority patent/US7403449B2/en
Priority to JP2007248683A priority patent/JP5117805B2/en
Priority to CN200710161924XA priority patent/CN101154089B/en
Publication of EP1906269A1 publication Critical patent/EP1906269A1/en
Priority to HK08110621.8A priority patent/HK1119261A1/en
Application granted granted Critical
Publication of EP1906269B1 publication Critical patent/EP1906269B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • 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
    • G04B29/00—Frameworks
    • G04B29/04—Connecting or supporting parts

Definitions

  • the invention relates to a movement for a timepiece comprising a mounting plate for a display ring.
  • the invention more particularly relates to a movement for a timepiece comprising at least one display ring which is rotatably mounted about an axis on a plate and which carries, on its upper face, inscriptions intended to appear in a display area, in which the ring is provided with an internal peripheral toothing which cooperates with drive means in such a way that the markings carried by the ring pass in the display area, and which cooperates with a jumper device, mounted on the plate, capable of stopping the ring in a determined angular position by bearing radially against the internal toothing, the stop device being biased towards its radial bearing position by an elastic return element, and wherein a holding plate is fixed on the plate so as to axially retain the stop device.
  • the assembly operations of this type of movement can be a source of problems, particularly when it comes to fixing the holding plate on the plate.
  • the jumper and its elastic return member are provided to be held in position on the plate, in the armed state, through the holding plate which covers them. Therefore, once the assembly of the jumper and its elastic return member made, the elastic return member can be ejected easily following a shake or vibration, before the holding plate is completely in place, this which complicates assembly operations.
  • the document US 3,893,289 proposes to mount the jumper and the elastic return member on the plate before the display ring, so in the disarmed state, and to make notches in one end of the holding plate, so as to allow mounting of the display ring on the board after fixing the holding plate.
  • the present invention aims to propose an alternative solution to the technical problem mentioned above, while simplifying the assembly operations with respect to the solution proposed in the document US 3,893,289 .
  • the invention proposes a movement of the type described above, characterized in that the holding plate is fixed on the plate by a mounting bayonet type during which the holding plate occupies, on the plate, first a first angular position not fixed and then a second position angularly fixed, and in that the holding plate comprises at least one armature member which cooperates with the stop device during the pivoting of the holding plate from its non-fixed angular position to its fixed angular position, so as to to arm the associated elastic return element.
  • the movement according to the invention is particularly simple to assemble.
  • the use of fixing screws for the holding plate is no longer necessary which simplifies assembly operations and minimizes the number of parts constituting the movement.
  • a single pivoting operation of the holding plate allows both its attachment to the plate and the arming of the elastic return element associated with the jumper.
  • the retaining plate comprises fixing tongues which protrude under the lower face of the holding plate and which cooperate with complementary notches arranged in the plate for axially retaining the holding plate on the plate.
  • the armoring member is constituted by a lug which protrudes under the underside of the holding plate.
  • the stop device comprises a support foot which cooperates with the internal toothing and an elastic arm which constitutes the elastic return element, and the stop device is made in one piece. . An easier assembly and an easier arrangement of the armoring member with respect to the arresting device is obtained.
  • each ring comprising an associated stop device
  • the upper ring having at least one open or transparent window making it possible to appearing the inscriptions carried by the lower ring
  • the driving means cooperating with the inner teeth of the rings so that the inscriptions carried by the lower ring appear successively in the display area through the window, the upper ring remaining stationary, then that, the lower ring being stationary, the inscriptions carried by the upper ring appear successively in the display area, the upper ring covering the inscriptions of the lower ring
  • the stop devices are axially superimposed and that they are pivotally mounted of the same axis.
  • the arming member cooperates with the elastic arms of the two stop devices so as to arm the two stop devices simultaneously, and the pivot axis of the stop devices is constituted by a tenon made in one piece with the plate.
  • the holding plate comprises an angular indexing tab which is provided with an opening and which cooperates with an angular indexing pad arranged on the plate so that the indexing pad is received in the opening at the end of the bayonet mount to block the pivoting of the holding plate about its axis.
  • the angular indexing tab extends generally in a radial plane. It comprises a free radial end and an opposite radial end connected to the holding plate by a bending zone.
  • the opening is delimited circumferentially by two opposite bearing edges, the distance separating the two bearing edges being substantially equal to the diameter of the angular indexing pad.
  • FIGs 1 and 2 there is shown schematically and partially a movement 10 for a timepiece such as a wristwatch made in accordance with the teachings of the invention.
  • the movement 10 is intended to equip a calendar watch which includes a date display, this date display being performed here by means of an upper date ring 12 and a date ring. 14 which are axially superimposed and which are rotatably mounted about the axis A1 on a plate 16.
  • the plate 16 here comprises a central platform 18 defining convex cylindrical wall portions 20 which ensure the rotation guidance of the rings 12, 14.
  • Each ring 12, 14 carries, on its upper face, inscriptions intended to appear in a display area 22 of the dial of the watch (not shown).
  • Each ring 12, 14 is provided with an internal peripheral toothing 24, 26 which cooperates with drive means 28 arranged on plate 16 so that the inscriptions carried by each ring 12, 14 scroll in the display area 22 .
  • the upper ring 12 is provided with an open or transparent window 30 which makes it possible to display in the display area 22 the markings carried by the lower ring 14.
  • the drive means 28 comprise in particular a driving wheel 29 which cooperates with the internal teeth 24, 26 of the rings 12, 14 so that the inscriptions carried by the lower ring 14 appear successively in the display zone 22 through the window 30, the upper ring 12 remaining stationary, then that, the lower ring 14 being stationary, the inscriptions carried by the upper ring 12 appear successively in the display area 22, the upper ring 12 covering the inscriptions of the lower ring 14.
  • each ring 12, 14 also co-operates with a jumper device 32, 34, which will be designated by jumper 32, 34, able to stop the ring 12, 14 associated in a position angular determined by bearing radially against its internal toothing 24, 26.
  • the movement 10 here comprises two jumpers 32, 34 which are mounted to pivot about the same pin 36 of vertical axis A2 arranged on the plate 16 and which are superimposed axially.
  • the pin 36 is made here in one piece with the plate 16.
  • Each jumper 32, 34 is biased towards its radial bearing position by an elastic return element 40, 42 which is constituted here by an elastic arm made in one piece with the main body 44, 46 of the jumper 32, 34.
  • the main body 44, 46 of each jumper 32, 34 constitutes a support foot of generally complementary shape of the internal toothing 24, 26 of the rings 12, 14 associated.
  • the elastic return member 40, 42 could be constituted by a separate spring of the main body 44, 46 of the jumper 32, 34 associated.
  • a holding plate 48 is fixed on the plate 16, in particular with a view to axially retaining the rings 12, 14 and the jumpers 32, 34 on the plate 16.
  • the holding plate 48 also makes it possible to retain the driving wheel axially 29 on its axis on the plate 16.
  • the holding plate 48 is fixed on the plate 16 by a bayonet type mounting.
  • the holding plate 48 is provided with fasteners 50 which cooperate with complementary elements 54 arranged on the plate 16.
  • the mounting of the holding plate 48 on the plate 16 is effected by a first movement of axial translation A1 to the upper face 18 of the plate 16, then by a second pivoting movement of the holding plate 48 relative to the plate 16 about the axis A1.
  • the holding plate 48 first occupies a first non-fixed angular position, which is shown in Figure 3, and then a second fixed angular position, which is shown in Figures 2 and 4, in which the fasteners 50 cooperate with the complementary members 54.
  • the holding plate 48 comprises a winding member 58 which cooperates with the jumpers 32, 34 during the pivoting of the holding plate 48 from its non-fixed angular position to its angular position. fixed.
  • the arming member 58 is constituted by a lug 58 which protrudes under the lower face 60 of the holding plate 48.
  • the lug 58 in the form of a plate, extends here in a vertical plane generally orthogonal to the general plane of the holding plate 48. It comprises a control surface 62 oriented here globally outwards, with respect to the center of the movement 10, so that the control surface 62 is substantially parallel to the elastic arms 40, 42 of the jumpers 32, 34, when the holding plate 48 occupies its fixed angular position. More specifically, the lug 58 and its control surface 62 are arranged so that, in the non-fixed angular position of the holding plate 48, the bearing end 64, 66 of each elastic arm 40, 42 is distant.
  • an advantage of this embodiment is that only one lug 58 is necessary to arm simultaneously the two jumpers 32, 34.
  • the jumpers 32, 34 could be mounted pivoting on two different pins 36 and the holding plate 48 could comprise two lugs 58 respectively associated with each jumper 32, 34, these lugs 58 cooperating simultaneously or shifted with the elastic arms 40, 42 of the jumpers 32, 34 for the arm.
  • the fasteners 50 are here constituted by three L-shaped fastening tabs 50 which project under the lower face 60 of the holding plate 48 and which are intended to be received in the complementary members 54 constituted by notches 54 arranged in the platform 18 of the plate 16 to axially retain the holding plate 48 on the plate 16.
  • each notch 54 has an opening or inlet 65 for the axial insertion of the fastening tongue 50 associated and a flange 67 in which the free end of the L of the fastening tab 50 is positioned, when the holding plate 48 occupies its fixed angular position.
  • the retaining plate 48 comprises an angular indexing tab 52 which is provided with an opening 68 and which cooperates by interlocking with an angular indexing pad 70 arranged on the platform 18 so that the indexing pad 70 is received in the opening 68 at the end of the bayonet mounting, to block the pivoting of the holding plate 48 about its axis A1 fixed angular position.
  • the indexing tongue 52 here extends in a radial plane coinciding with the general plane of the holding plate 48. It comprises a free radial end 72 and an opposite radial end 74 which is connected to the holding plate 48 by a bending zone 76.
  • the opening 68 is delimited circumferentially by two opposite bearing edges 78, 80, the distance separating the two bearing edges 78, 80 being substantially equal to the diameter of the angular indexing pad 70.
  • the holding plate 48 is made of sheet metal by cutting, stamping and folding, which allows the fastening tabs 50, the indexing tab 52 and the lug 58 to be made in one piece with the plate. maintenance 48 in a simple and economical way.
  • the holding plate 48 may be made by molding in metal or in a plastic material.
  • the assembly operations of the movement 10 according to the invention are now described.
  • the two rings 12, 14 are placed on the plate 16, guided axially by the portions 20 of cylindrical wall, and the two jumpers 32, 34 are threaded on the pin 36 associated.
  • the elastic arms 40, 42 of the jumpers 32, 34 are in the rest state, that is to say uncompressed, and the jumpers 32, 34 are not biased in radial support against the internal teeth 24, 26 of the rings 12, 14.
  • the rings 12, 14 can be mounted on the plate 16 before or after the jumpers 32, 34.
  • the holding plate 48 is then placed on the platform 18 of the plate 16 so that the fixing tongues 50 can be inserted axially (A1) in the openings 65 of the notches 54.
  • the holding plate 48 then occupies its angular position. fixed.
  • the elastic arms 40, 42 are always in the idle state and the indexing tab 52 is angularly offset relative to the indexing pad 70, which corresponds to the representation of FIG. 3.
  • the holding plate 48 is then rotated a few degrees about its axis A1, relative to the plate 16, in the clockwise direction by considering the figures, until occupying its fixed angular position which is represented in FIGS.
  • the resilient tongues 40, 42 are armed and resting against the lug 58, the fastening tabs 50 are placed under the flange 67 of the associated notches 54, which holds the plate axially.
  • the indexing pad 70 is received in the opening 68 of the indexing tab 52, which angularly immobilizes the holding plate 48.
  • the lug 58 gradually bears against the bearing ends 64, 66 of the elastic arms 40, 42, which forces the jumpers 32, 34 by elastically urging them against the teeth. 24, 26 associated.
  • the disassembly of the holding plate 48 can be performed easily. It is sufficient to slightly bend the indexing tab 52 upwards to disengage it from the indexing pad 70, and then to pivot the holding plate 48 in the opposite direction to its unfixed angular position.

Abstract

The movement (10) has a holding plate (48) secured on a bottom plate (16) to retain a stop device axially, where the holding plate is secured on the bottom plate by a bayonet type assembly during which the holding plate occupies a non fixed angular position and a fixed angular position. The holding plate includes a winding member (58) which cooperates with the stop device during the pivoting of the holding plate from the non fixed angular position of the holding plate to the fixed angular position for winding the associated elastic return element.

Description

L'invention concerne un mouvement pour une pièce d'horlogerie comprenant une platine de fixation pour un anneau d'affichage.The invention relates to a movement for a timepiece comprising a mounting plate for a display ring.

L'invention concerne plus particulièrement un mouvement pour une pièce d'horlogerie comprenant au moins un anneau d'affichage qui est monté à rotation autour d'un axe sur une platine et qui porte, sur sa face supérieure, des inscriptions prévues pour apparaître dans une zone d'affichage, dans lequel l'anneau est muni d'une denture périphérique intérieure qui coopère avec des moyens d'entraînement de telle manière que les inscriptions portées par l'anneau défilent dans la zone d'affichage, et qui coopère avec un dispositif d'arrêt par effet de sautoir, monté sur la platine, apte à arrêter l'anneau dans une position angulaire déterminée en venant en appui radial contre la denture intérieure, le dispositif d'arrêt étant sollicité vers sa position d'appui radial par un élément élastique de rappel, et dans lequel une plaque de maintien est fixée sur la platine de manière à retenir axialement le dispositif d'arrêt.The invention more particularly relates to a movement for a timepiece comprising at least one display ring which is rotatably mounted about an axis on a plate and which carries, on its upper face, inscriptions intended to appear in a display area, in which the ring is provided with an internal peripheral toothing which cooperates with drive means in such a way that the markings carried by the ring pass in the display area, and which cooperates with a jumper device, mounted on the plate, capable of stopping the ring in a determined angular position by bearing radially against the internal toothing, the stop device being biased towards its radial bearing position by an elastic return element, and wherein a holding plate is fixed on the plate so as to axially retain the stop device.

Les opérations d'assemblage de ce type de mouvement peuvent être une source de problème, en particulier lorsqu'il s'agit de fixer la plaque de maintien sur la platine. En effet, le sautoir et son élément élastique de rappel sont prévus pour être maintenus en position sur la platine, à l'état armé, par l'intermédiaire de la plaque de maintien qui vient les recouvrir. Par conséquent, une fois le montage du sautoir et de son élément élastique de rappel effectué, l'élément élastique de rappel peut être éjecté facilement à la suite d'une secousse ou vibration, avant que la plaque de maintien soit complètement en place, ce qui complique les opérations d'assemblage.The assembly operations of this type of movement can be a source of problems, particularly when it comes to fixing the holding plate on the plate. Indeed, the jumper and its elastic return member are provided to be held in position on the plate, in the armed state, through the holding plate which covers them. Therefore, once the assembly of the jumper and its elastic return member made, the elastic return member can be ejected easily following a shake or vibration, before the holding plate is completely in place, this which complicates assembly operations.

Pour résoudre ce problème, le document US 3 893 289 propose de monter le sautoir et l'élément élastique de rappel sur la platine avant l'anneau d'affichage, donc à l'état désarmé, et de réaliser des encoches dans une extrémité de la plaque de maintien, de manière à permettre le montage de l'anneau d'affichage sur la platine après la fixation de la plaque de maintien.To resolve this problem, the document US 3,893,289 proposes to mount the jumper and the elastic return member on the plate before the display ring, so in the disarmed state, and to make notches in one end of the holding plate, so as to allow mounting of the display ring on the board after fixing the holding plate.

La présente invention vise à proposer une solution alternative au problème technique mentionné précédemment, tout en simplifiant les opérations d'assemblage par rapport à la solution proposée dans le document US 3 893 289 .The present invention aims to propose an alternative solution to the technical problem mentioned above, while simplifying the assembly operations with respect to the solution proposed in the document US 3,893,289 .

Dans ce but, l'invention propose un mouvement du type décrit précédemment, caractérisé en ce que la plaque de maintien est fixée sur la platine par un montage du type à baïonnette au cours duquel la plaque de maintien occupe, sur la platine, d'abord une première position angulaire non fixée puis une seconde position angulaire fixée, et en ce que la plaque de maintien comporte au moins un organe d'armage qui coopère avec le dispositif d'arrêt au cours du pivotement de la plaque de maintien depuis sa position angulaire non fixée vers sa position angulaire fixée, de manière à armer l'élément élastique de rappel associé.For this purpose, the invention proposes a movement of the type described above, characterized in that the holding plate is fixed on the plate by a mounting bayonet type during which the holding plate occupies, on the plate, first a first angular position not fixed and then a second position angularly fixed, and in that the holding plate comprises at least one armature member which cooperates with the stop device during the pivoting of the holding plate from its non-fixed angular position to its fixed angular position, so as to to arm the associated elastic return element.

Grâce à ces caractéristiques, le mouvement selon l'invention est particulièrement simple à assembler. L'utilisation de vis de fixation pour la plaque de maintien n'est plus nécessaire ce qui simplifie les opérations d'assemblage et ce qui minimise le nombre de pièces constituant le mouvement. Une seule opération de pivotement de la plaque de maintien permet à la fois sa fixation sur la platine et l'armage de l'élément élastique de rappel associé au sautoir.Thanks to these characteristics, the movement according to the invention is particularly simple to assemble. The use of fixing screws for the holding plate is no longer necessary which simplifies assembly operations and minimizes the number of parts constituting the movement. A single pivoting operation of the holding plate allows both its attachment to the plate and the arming of the elastic return element associated with the jumper.

De préférence, la plaque de maintien comporte des languettes de fixation qui sont en saillies sous la face inférieure de la plaque de maintien et qui coopèrent avec des encoches complémentaires aménagées dans la platine pour retenir axialement la plaque de maintien sur la platine. L'organe d'armage est constitué par un ergot qui s'étend en saillie sous la face inférieure de la plaque de maintien. Une telle plaque de maintien est particulièrement facile à fabriquer, notamment à partir d'une tôle par découpage, estampage et pliage, ou sous la forme d'une pièce moulée.Preferably, the retaining plate comprises fixing tongues which protrude under the lower face of the holding plate and which cooperate with complementary notches arranged in the plate for axially retaining the holding plate on the plate. The armoring member is constituted by a lug which protrudes under the underside of the holding plate. Such a holding plate is particularly easy to manufacture, especially from a sheet metal by cutting, stamping and folding, or in the form of a molded part.

Selon un mode de réalisation avantageux, le dispositif d'arrêt comporte un pied d'appui qui coopère avec la denture intérieure et un bras élastique qui constitue l'élément élastique de rappel, et le dispositif d'arrêt est réalisé d'une seule pièce. On obtient un montage plus facile et un agencement plus facile de l'organe d'armage par rapport au dispositif d'arrêt.According to an advantageous embodiment, the stop device comprises a support foot which cooperates with the internal toothing and an elastic arm which constitutes the elastic return element, and the stop device is made in one piece. . An easier assembly and an easier arrangement of the armoring member with respect to the arresting device is obtained.

Dans un mode de réalisation comportant un anneau supérieur et un anneau inférieur qui sont superposés axialement et qui constituent des anneaux de quantième, chaque anneau comportant un dispositif d'arrêt associé, l'anneau supérieur présentant au moins une fenêtre ouverte ou transparente permettant de faire apparaître les inscriptions portées par l'anneau inférieur, les moyens d'entraînement coopérant avec les dentures intérieures des anneaux de telle manière que les inscriptions portées par l'anneau inférieur apparaissent successivement dans la zone d'affichage au travers de la fenêtre, l'anneau supérieur restant immobile, puis que, l'anneau inférieur étant immobile, les inscriptions portées par l'anneau supérieur apparaissent successivement dans la zone d'affichage, l'anneau supérieur recouvrant les inscriptions de l'anneau inférieur, on prévoit avantageusement que les dispositifs d'arrêt soient superposés axialement et qu'ils soient montés pivotant autour du même axe. De plus, l'organe d'armage coopère avec les bras élastiques des deux dispositifs d'arrêt de manière à armer les deux dispositifs d'arrêt simultanément, et l'axe de pivotement des dispositifs d'arrêt est constitué par un tenon réalisé d'une seule pièce avec la platine. Ces caractéristiques contribuent à faciliter les opérations d'assemblage du mouvement en simplifiant sa structure. La fiabilité du fonctionnement du mouvement s'en trouve aussi améliorée.In an embodiment comprising an upper ring and a lower ring which are superposed axially and which constitute date rings, each ring comprising an associated stop device, the upper ring having at least one open or transparent window making it possible to appearing the inscriptions carried by the lower ring, the driving means cooperating with the inner teeth of the rings so that the inscriptions carried by the lower ring appear successively in the display area through the window, the upper ring remaining stationary, then that, the lower ring being stationary, the inscriptions carried by the upper ring appear successively in the display area, the upper ring covering the inscriptions of the lower ring, it is advantageously provided that the stop devices are axially superimposed and that they are pivotally mounted of the same axis. In addition, the arming member cooperates with the elastic arms of the two stop devices so as to arm the two stop devices simultaneously, and the pivot axis of the stop devices is constituted by a tenon made in one piece with the plate. These features help to facilitate assembly operations of the movement by simplifying its structure. The reliability of the operation of the movement is also improved.

Avantageusement, la plaque de maintien comporte une languette d'indexation angulaire qui est munie d'une ouverture et qui coopère avec un plot d'indexation angulaire agencé sur la platine de manière que le plot d'indexation soit reçu dans l'ouverture à la fin du montage à baïonnette en vue de bloquer le pivotement de la plaque de maintien autour de son axe. La languette d'indexation angulaire s'étend globalement dans un plan radial. Elle comporte une extrémité radiale libre et une extrémité radiale opposée liée à la plaque de maintien par une zone de flexion. L'ouverture est délimitée circonférentiellement par deux bords d'appui opposés, la distance séparant les deux bords d'appui étant sensiblement égale au diamètre du plot d'indexation angulaire. Ceci permet d'obtenir une plus grande précision dans le positionnement angulaire de la plaque de maintien et une fixation plus fiable de la plaque de maintien sur la platine, sans compliquer les opérations de fabrication et d'assemblage.Advantageously, the holding plate comprises an angular indexing tab which is provided with an opening and which cooperates with an angular indexing pad arranged on the plate so that the indexing pad is received in the opening at the end of the bayonet mount to block the pivoting of the holding plate about its axis. The angular indexing tab extends generally in a radial plane. It comprises a free radial end and an opposite radial end connected to the holding plate by a bending zone. The opening is delimited circumferentially by two opposite bearing edges, the distance separating the two bearing edges being substantially equal to the diameter of the angular indexing pad. This makes it possible to obtain greater precision in the angular positioning of the holding plate and a more reliable fixation of the holding plate on the plate, without complicating the manufacturing and assembly operations.

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 une vue en perspective éclatée qui représente schématiquement un mouvement de pièce d'horlogerie à affichage de quantième réalisé conformément aux enseignements de l'invention;
  • la figure 2 est une vue en perspective qui représente le mouvement de la figure 1 après la fixation de la plaque de maintien sur la platine associée du mouvement;
  • la figure 3 est une vue de dessus qui représente la plaque de maintien en position angulaire non fixée;
  • la figure 4 est une vue similaire à celle de la figure 3 qui représente la plaque de maintien en position angulaire fixée.
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 an exploded perspective view which schematically shows a timepiece movement date display made according to the teachings of the invention;
  • Figure 2 is a perspective view showing the movement of Figure 1 after fixing the holding plate on the associated plate of the movement;
  • Figure 3 is a top view which shows the holding plate in the unfixed angular position;
  • Figure 4 is a view similar to that of Figure 3 which shows the holding plate in fixed angular position.

Dans la suite de la description, des éléments similaires ou identiques pourront être désignés par les mêmes références.In the remainder of the description, similar or identical elements may be designated by the same references.

Sur les figures 1 et 2, on a représenté schématiquement et partiellement un mouvement 10 pour une pièce d'horlogerie telle qu'une montre-bracelet réalisé conformément aux enseignements de l'invention.In Figures 1 and 2, there is shown schematically and partially a movement 10 for a timepiece such as a wristwatch made in accordance with the teachings of the invention.

Dans la suite de la description, on utilisera à titre non limitatif une orientation axiale A1 verticale suivant l'axe du mouvement 10, celui-ci étant ici en forme de disque.In the remainder of the description, use will be made without limitation of a vertical axial orientation A1 along the axis of the movement 10, the latter here being disk-shaped.

Selon le mode de réalisation représenté, le mouvement 10 est prévu pour équiper une montre-calendrier qui comporte un affichage du quantième, cet affichage de quantième s'effectuant ici au moyen d'un anneau de quantième supérieur 12 et d'un anneau de quantième inférieur 14 qui sont superposés axialement et qui sont montés à rotation autour de l'axe A1 sur une platine 16. La platine 16 comporte ici une plateforme centrale 18 définissant des portions 20 de paroi cylindrique convexe qui assurent le guidage en rotation des anneaux 12, 14.According to the embodiment shown, the movement 10 is intended to equip a calendar watch which includes a date display, this date display being performed here by means of an upper date ring 12 and a date ring. 14 which are axially superimposed and which are rotatably mounted about the axis A1 on a plate 16. The plate 16 here comprises a central platform 18 defining convex cylindrical wall portions 20 which ensure the rotation guidance of the rings 12, 14.

Chaque anneau 12, 14 porte, sur sa face supérieure, des inscriptions prévues pour apparaître dans une zone d'affichage 22 du cadran de la montre (non représenté). Chaque anneau 12, 14 est muni d'une denture périphérique intérieure 24, 26 qui coopère avec des moyens d'entraînement 28 agencés sur platine 16 de telle manière que les inscriptions portées par chaque anneau 12, 14 défilent dans la zone d'affichage 22.Each ring 12, 14 carries, on its upper face, inscriptions intended to appear in a display area 22 of the dial of the watch (not shown). Each ring 12, 14 is provided with an internal peripheral toothing 24, 26 which cooperates with drive means 28 arranged on plate 16 so that the inscriptions carried by each ring 12, 14 scroll in the display area 22 .

L'anneau supérieur 12 est pourvu d'une fenêtre 30 ouverte ou transparente qui permet de faire apparaître dans la zone d'affichage 22 les inscriptions portées par l'anneau inférieur 14. Les moyens d'entraînement 28 comportent notamment une roue entraîneuse 29 qui coopère avec les dentures intérieures 24, 26 des anneaux 12, 14 de telle manière que les inscriptions portées par l'anneau inférieur 14 apparaissent successivement dans la zone d'affichage 22 au travers de la fenêtre 30, l'anneau supérieur 12 restant immobile, puis que, l'anneau inférieur 14 étant immobile, les inscriptions portées par l'anneau supérieur 12 apparaissent successivement dans la zone d'affichage 22, l'anneau supérieur 12 recouvrant les inscriptions de l'anneau inférieur 14.The upper ring 12 is provided with an open or transparent window 30 which makes it possible to display in the display area 22 the markings carried by the lower ring 14. The drive means 28 comprise in particular a driving wheel 29 which cooperates with the internal teeth 24, 26 of the rings 12, 14 so that the inscriptions carried by the lower ring 14 appear successively in the display zone 22 through the window 30, the upper ring 12 remaining stationary, then that, the lower ring 14 being stationary, the inscriptions carried by the upper ring 12 appear successively in the display area 22, the upper ring 12 covering the inscriptions of the lower ring 14.

La denture intérieure 24, 26 de chaque anneau 12, 14 coopère aussi avec un dispositif 32, 34 d'arrêt par effet de sautoir, qui sera désigné par sautoir 32, 34, apte à arrêter l'anneau 12, 14 associé dans une position angulaire déterminée en venant en appui radial contre sa denture intérieure 24, 26. Le mouvement 10 comporte ici deux sautoirs 32, 34 qui sont montés pivotant autour d'un même tenon 36 d'axe A2 vertical agencé sur la platine 16 et qui sont superposés axialement. Le tenon 36 est réalisé ici d'une seule pièce avec la platine 16.The internal toothing 24, 26 of each ring 12, 14 also co-operates with a jumper device 32, 34, which will be designated by jumper 32, 34, able to stop the ring 12, 14 associated in a position angular determined by bearing radially against its internal toothing 24, 26. The movement 10 here comprises two jumpers 32, 34 which are mounted to pivot about the same pin 36 of vertical axis A2 arranged on the plate 16 and which are superimposed axially. The pin 36 is made here in one piece with the plate 16.

Chaque sautoir 32, 34 est sollicité vers sa position d'appui radial par un élément élastique de rappel 40, 42 qui est constitué ici par un bras élastique réalisé d'une seule pièce avec le corps principal 44, 46 du sautoir 32, 34. Le corps principal 44, 46 de chaque sautoir 32, 34 constitue un pied d'appui de forme globalement complémentaire de la denture intérieure 24, 26 des anneaux 12, 14 associés.Each jumper 32, 34 is biased towards its radial bearing position by an elastic return element 40, 42 which is constituted here by an elastic arm made in one piece with the main body 44, 46 of the jumper 32, 34. The main body 44, 46 of each jumper 32, 34 constitutes a support foot of generally complementary shape of the internal toothing 24, 26 of the rings 12, 14 associated.

Bien entendu, selon une variante non représentée, l'élément élastique de rappel 40, 42 pourrait être constitué par un ressort distinct du corps principal 44, 46 du sautoir 32, 34 associé.Of course, according to a variant not shown, the elastic return member 40, 42 could be constituted by a separate spring of the main body 44, 46 of the jumper 32, 34 associated.

Un tel système d'affichage de quantième à deux anneaux superposés est décrit en détail dans le document US 6 925 032 , auquel on pourra se reporter pour plus de précision, et incorporé ici par référence.Such a two-ring overlapping calendar display system is described in detail in the document US 6,925,032 , to which reference may be made for more precision, and incorporated herein by reference.

Une plaque de maintien 48 est fixée sur la platine 16, notamment en vue de retenir axialement les anneaux 12, 14 et les sautoirs 32, 34 sur la platine 16. Ici, la plaque de maintien 48 permet aussi de retenir axialement la roue entraîneuse 29 sur son axe sur la platine 16.A holding plate 48 is fixed on the plate 16, in particular with a view to axially retaining the rings 12, 14 and the jumpers 32, 34 on the plate 16. Here, the holding plate 48 also makes it possible to retain the driving wheel axially 29 on its axis on the plate 16.

Selon une caractéristique avantageuse de l'invention, la plaque de maintien 48 est fixée sur la platine 16 par un montage du type à baïonnette. A cet effet, la plaque de maintien 48 est munie d'organes de fixation 50 qui coopèrent avec des éléments complémentaires 54 agencés sur la platine 16. Le montage de la plaque de maintien 48 sur la platine 16 s'effectue par un premier mouvement de translation axiale A1 vers la face supérieure 18 de la platine 16, puis par un second mouvement de pivotement de la plaque de maintien 48 relativement à la platine 16 autour de l'axe A1. Au cours du mouvement de pivotement, la plaque de maintien 48 occupe d'abord une première position angulaire non fixée, qui est représentée sur la figure 3, puis une seconde position angulaire fixée, qui est représentée sur les figures 2 et 4, dans laquelle les organes de fixation 50 coopèrent avec les organes complémentaires 54.According to an advantageous characteristic of the invention, the holding plate 48 is fixed on the plate 16 by a bayonet type mounting. For this purpose, the holding plate 48 is provided with fasteners 50 which cooperate with complementary elements 54 arranged on the plate 16. The mounting of the holding plate 48 on the plate 16 is effected by a first movement of axial translation A1 to the upper face 18 of the plate 16, then by a second pivoting movement of the holding plate 48 relative to the plate 16 about the axis A1. During the pivoting movement, the holding plate 48 first occupies a first non-fixed angular position, which is shown in Figure 3, and then a second fixed angular position, which is shown in Figures 2 and 4, in which the fasteners 50 cooperate with the complementary members 54.

Selon une autre caractéristique avantageuse de l'invention, la plaque de maintien 48 comporte un organe d'armage 58 qui coopère avec les sautoirs 32, 34 au cours du pivotement de la plaque de maintien 48 depuis sa position angulaire non fixée vers sa position angulaire fixée. De préférence, l'organe d'armage 58 est constitué par un ergot 58 qui s'étend en saillie sous la face inférieure 60 de la plaque de maintien 48.According to another advantageous characteristic of the invention, the holding plate 48 comprises a winding member 58 which cooperates with the jumpers 32, 34 during the pivoting of the holding plate 48 from its non-fixed angular position to its angular position. fixed. Preferably, the arming member 58 is constituted by a lug 58 which protrudes under the lower face 60 of the holding plate 48.

L'ergot 58, en forme de plaque, s'étend ici dans un plan vertical globalement orthogonal au plan général de la plaque de maintien 48. Il comporte une surface de commande 62 orientée ici globalement vers l'extérieur, par rapport au centre du mouvement 10, de sorte que la surface de commande 62 est sensiblement parallèle aux bras élastiques 40, 42 des sautoirs 32, 34, lorsque la plaque de maintien 48 occupe sa position angulaire fixée. Plus précisément, l'ergot 58 et sa surface de commande 62 sont agencés de manière que, dans la position angulaire non fixée de la plaque de maintien 48, l'extrémité d'appui 64, 66 de chaque bras élastique 40, 42 est distante de la surface de commande 62 et de manière que, dans la position angulaire fixée de la plaque de maintien 48, l'extrémité d'appui 64, 66 de chaque bras élastique 40, 42 est en appui contre la surface de commande 62 ce qui sollicite les sautoirs 32, 34 en appui radial contre les dentures intérieures 24, 26.The lug 58, in the form of a plate, extends here in a vertical plane generally orthogonal to the general plane of the holding plate 48. It comprises a control surface 62 oriented here globally outwards, with respect to the center of the movement 10, so that the control surface 62 is substantially parallel to the elastic arms 40, 42 of the jumpers 32, 34, when the holding plate 48 occupies its fixed angular position. More specifically, the lug 58 and its control surface 62 are arranged so that, in the non-fixed angular position of the holding plate 48, the bearing end 64, 66 of each elastic arm 40, 42 is distant. of the control surface 62 and so that in the position fixed angle of the holding plate 48, the bearing end 64, 66 of each elastic arm 40, 42 is in abutment against the control surface 62 which urges the jumpers 32, 34 in radial support against the internal teeth 24 , 26.

Un avantage de ce mode de réalisation est qu'un seul ergot 58 est nécessaire pour armer simultanément les deux sautoirs 32, 34. Bien entendu, selon une variante de réalisation (non représentée) de l'invention, les sautoirs 32, 34 pourraient être montés pivotants sur deux tenons 36 différents et la plaque de maintien 48 pourrait comporter deux ergots 58 associés respectivement à chaque sautoir 32, 34, ces ergots 58 coopérant simultanément ou de manière décalée avec les bras élastiques 40, 42 des sautoirs 32, 34 pour les armer.An advantage of this embodiment is that only one lug 58 is necessary to arm simultaneously the two jumpers 32, 34. Of course, according to an alternative embodiment (not shown) of the invention, the jumpers 32, 34 could be mounted pivoting on two different pins 36 and the holding plate 48 could comprise two lugs 58 respectively associated with each jumper 32, 34, these lugs 58 cooperating simultaneously or shifted with the elastic arms 40, 42 of the jumpers 32, 34 for the arm.

De préférence, les organes de fixation 50 sont constitués ici par trois languettes de fixation 50 en forme de L qui sont en saillies sous la face inférieure 60 de la plaque de maintien 48 et qui sont prévues pour être reçues dans les organes complémentaires 54 constitués par des encoches 54 aménagées dans la plateforme 18 de la platine 16 en vue de retenir axialement la plaque de maintien 48 sur la platine 16. A cet effet, chaque encoche 54 comporte une ouverture ou entrée 65 pour l'insertion axiale de la languette de fixation 50 associée et un rebord 67 sous lequel l'extrémité libre du L de la languette de fixation 50 vient se positionner, lorsque la plaque de maintien 48 occupe sa position angulaire fixée.Preferably, the fasteners 50 are here constituted by three L-shaped fastening tabs 50 which project under the lower face 60 of the holding plate 48 and which are intended to be received in the complementary members 54 constituted by notches 54 arranged in the platform 18 of the plate 16 to axially retain the holding plate 48 on the plate 16. For this purpose, each notch 54 has an opening or inlet 65 for the axial insertion of the fastening tongue 50 associated and a flange 67 in which the free end of the L of the fastening tab 50 is positioned, when the holding plate 48 occupies its fixed angular position.

Avantageusement, la plaque de maintien 48 comporte une languette d'indexation 52 angulaire qui est munie d'une ouverture 68 et qui coopère par emboîtement avec un plot d'indexation 70 angulaire agencé sur la plateforme 18 de manière que le plot d'indexation 70 soit reçu dans l'ouverture 68 à la fin du montage à baïonnette, pour bloquer le pivotement de la plaque de maintien 48 autour de son axe A1 en position angulaire fixée.Advantageously, the retaining plate 48 comprises an angular indexing tab 52 which is provided with an opening 68 and which cooperates by interlocking with an angular indexing pad 70 arranged on the platform 18 so that the indexing pad 70 is received in the opening 68 at the end of the bayonet mounting, to block the pivoting of the holding plate 48 about its axis A1 fixed angular position.

La languette d'indexation 52 s'étend ici dans un plan radial confondu avec le plan général de la plaque de maintien 48. Elle comporte une extrémité radiale libre 72 et une extrémité radiale opposée 74 qui est liée à la plaque de maintien 48 par une zone de flexion 76. L'ouverture 68 est délimitée circonférentiellement par deux bords d'appui 78, 80 opposés, la distance séparant les deux bords d'appui 78, 80 étant sensiblement égale au diamètre du plot d'indexation 70 angulaire.The indexing tongue 52 here extends in a radial plane coinciding with the general plane of the holding plate 48. It comprises a free radial end 72 and an opposite radial end 74 which is connected to the holding plate 48 by a bending zone 76. The opening 68 is delimited circumferentially by two opposite bearing edges 78, 80, the distance separating the two bearing edges 78, 80 being substantially equal to the diameter of the angular indexing pad 70.

De préférence, la plaque de maintien 48 est réalisée en tôle par découpage, estampage et pliage, ce qui permet de réaliser les languettes de fixation 50, la languette d'indexation 52 et l'ergot 58 d'une seule pièce avec la plaque de maintien 48 de manière simple et économique. Bien entendu, selon une variante de réalisation, la plaque de maintien 48 peut être réalisée par moulage en métal ou dans une matière plastique.Preferably, the holding plate 48 is made of sheet metal by cutting, stamping and folding, which allows the fastening tabs 50, the indexing tab 52 and the lug 58 to be made in one piece with the plate. maintenance 48 in a simple and economical way. Of course, according to an alternative embodiment, the holding plate 48 may be made by molding in metal or in a plastic material.

Les opérations d'assemblage du mouvement 10 selon l'invention sont maintenant décrites. Les deux anneaux 12, 14 sont placés sur la platine 16, guidés axialement par les portions 20 de paroi cylindrique, et les deux sautoirs 32, 34 sont enfilés sur le tenon 36 associé. A ce stade de l'assemblage, les bras élastiques 40, 42 des sautoirs 32, 34 sont à l'état de repos, c'est à dire non comprimés, et les sautoirs 32, 34 ne sont pas sollicités en appui radial contre les dentures intérieures 24, 26 des anneaux 12, 14. On note que les anneaux 12, 14 peuvent être montés sur la platine 16 avant ou après les sautoirs 32, 34.The assembly operations of the movement 10 according to the invention are now described. The two rings 12, 14 are placed on the plate 16, guided axially by the portions 20 of cylindrical wall, and the two jumpers 32, 34 are threaded on the pin 36 associated. At this stage of assembly, the elastic arms 40, 42 of the jumpers 32, 34 are in the rest state, that is to say uncompressed, and the jumpers 32, 34 are not biased in radial support against the internal teeth 24, 26 of the rings 12, 14. It is noted that the rings 12, 14 can be mounted on the plate 16 before or after the jumpers 32, 34.

La plaque de maintien 48 est ensuite placée sur la plateforme 18 de la platine 16 de manière que les languettes de fixation 50 puissent être insérées axialement (A1) dans les ouvertures 65 des encoches 54. La plaque de maintien 48 occupe alors sa position angulaire non fixée. A ce stade, les bras élastiques 40, 42 sont toujours à l'état de repos et la languette d'indexation 52 est décalée angulairement par rapport au plot d'indexation 70, ce qui correspond à la représentation de la figure 3.The holding plate 48 is then placed on the platform 18 of the plate 16 so that the fixing tongues 50 can be inserted axially (A1) in the openings 65 of the notches 54. The holding plate 48 then occupies its angular position. fixed. At this stage, the elastic arms 40, 42 are always in the idle state and the indexing tab 52 is angularly offset relative to the indexing pad 70, which corresponds to the representation of FIG. 3.

La plaque de maintien 48 est ensuite pivotée de quelques degrés autour de son axe A1, par rapport à la platine 16, dans le sens horaire en considérant les figures, jusqu'à occuper sa position angulaire fixée qui est représentée sur les figures 2 et 4. Dans cette position angulaire fixée, les languettes élastiques 40, 42 sont armées et en appui contre l'ergot d'armage 58, les languettes de fixation 50 sont placées sous le rebord 67 des encoches 54 associées, ce qui retient axialement la plaque de maintien 48 sur la platine 16, et le plot d'indexation 70 est reçu dans l'ouverture 68 de la languette d'indexation 52, ce qui immobilise angulairement la plaque de maintien 48.The holding plate 48 is then rotated a few degrees about its axis A1, relative to the plate 16, in the clockwise direction by considering the figures, until occupying its fixed angular position which is represented in FIGS. In this fixed angular position, the resilient tongues 40, 42 are armed and resting against the lug 58, the fastening tabs 50 are placed under the flange 67 of the associated notches 54, which holds the plate axially. holding 48 on the plate 16, and the indexing pad 70 is received in the opening 68 of the indexing tab 52, which angularly immobilizes the holding plate 48.

Au cours du pivotement de la plaque de maintien 48, l'ergot 58 vient progressivement en appui contre les extrémités d'appui 64, 66 des bras élastiques 40, 42, ce qui arme les sautoirs 32, 34 en les sollicitant élastiquement contre les dentures intérieures 24, 26 associées.During the pivoting of the holding plate 48, the lug 58 gradually bears against the bearing ends 64, 66 of the elastic arms 40, 42, which forces the jumpers 32, 34 by elastically urging them against the teeth. 24, 26 associated.

On note que le démontage de la plaque de maintien 48 peut s'effectuer aisément. Il suffit de fléchir légèrement la languette d'indexation 52 vers le haut pour la désengager du plot d'indexation 70, puis de faire pivoter la plaque de maintien 48 en sens inverse jusqu'à sa position angulaire non fixée.It is noted that the disassembly of the holding plate 48 can be performed easily. It is sufficient to slightly bend the indexing tab 52 upwards to disengage it from the indexing pad 70, and then to pivot the holding plate 48 in the opposite direction to its unfixed angular position.

Claims (8)

Mouvement (10) pour une pièce d'horlogerie comprenant au moins un anneau (12, 14) d'affichage qui est monté à rotation autour d'un axe (A1) sur une platine (16) et qui porte, sur sa face supérieure, des inscriptions prévues pour apparaître dans une zone d'affichage (22), dans lequel l'anneau (12, 14) est muni d'une denture périphérique intérieure (24, 26) qui coopère avec des moyens d'entraînement (20) de telle manière que les inscriptions portées par l'anneau (12, 14) défilent dans la zone d'affichage (22), et qui coopère avec un dispositif d'arrêt (32, 34) par effet de sautoir, monté sur la platine (16), apte à arrêter l'anneau (12, 14) dans une position angulaire déterminée en venant en appui radial contre la denture intérieure (24, 26), le dispositif d'arrêt (32, 34) étant sollicité vers sa position d'appui radial par un élément élastique de rappel (40, 42), et dans lequel une plaque de maintien (48) est fixée sur la platine (16) de manière à retenir axialement le dispositif d'arrêt (32, 34), caractérisé en ce que la plaque de maintien (48) est fixée sur la platine (16) par un montage du type à baïonnette au cours duquel la plaque de maintien (48) occupe, sur la platine (16), d'abord une première position angulaire non fixée puis une seconde position angulaire fixée, et en ce que la plaque de maintien (48) comporte au moins un organe d'armage (58) qui coopère avec le dispositif d'arrêt (32, 34) au cours du pivotement de la plaque de maintien (48) depuis sa position angulaire non fixée vers sa position angulaire fixée, de manière à armer l'élément élastique de rappel (40, 42) associé.Movement (10) for a timepiece comprising at least one display ring (12, 14) which is rotatably mounted about an axis (A1) on a plate (16) and which carries on its upper face , inscriptions intended to appear in a display area (22), in which the ring (12, 14) is provided with an inner peripheral toothing (24, 26) which cooperates with drive means (20) in such a way that the markings carried by the ring (12, 14) run in the display area (22), and which cooperates with a jumper (32, 34), mounted on the turntable (16), able to stop the ring (12, 14) in a determined angular position by bearing radially against the internal toothing (24, 26), the stop device (32, 34) being biased towards its position radial support by an elastic return member (40, 42), and wherein a holding plate (48) is fixed to the plate (16) so as to retain axially the stop device (32, 34), characterized in that the holding plate (48) is fixed on the plate (16) by a bayonet-type mounting during which the holding plate (48) occupies, on the plate (16), first a first non-fixed angular position and then a second fixed angular position, and in that the holding plate (48) comprises at least one arming member (58) which cooperates with the device stop (32, 34) during the pivoting of the holding plate (48) from its unattached angular position to its fixed angular position, so as to arm the associated elastic return member (40, 42). Mouvement (10) selon la revendication précédente, caractérisé en ce que la plaque de maintien (48) comporte des languettes de fixation (50) qui sont en saillies sous la face inférieure (60) de la plaque de maintien (48) et qui coopèrent avec des encoches complémentaires (54) aménagées dans la platine (16) pour retenir axialement la plaque de maintien (48) sur la platine (16).Movement (10) according to the preceding claim, characterized in that the holding plate (48) has fastening tabs (50) which protrude under the lower face (60) of the holding plate (48) and which cooperate with complementary notches (54) arranged in the plate (16) for axially retaining the holding plate (48) on the plate (16). Mouvement (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe d'armage (58) est constitué par un ergot (58) qui s'étend en saillie sous la face inférieure (60) de la plaque de maintien (48).Movement (10) according to any one of the preceding claims, characterized in that the arming member (58) is constituted by a lug (58) projecting under the lower face (60) of the plate holding (48). Mouvement (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'arrêt (32, 34) comporte un pied d'appui (44, 46) qui coopère avec la denture intérieure (24, 26) et un bras élastique (40, 42) qui constitue l'élément élastique de rappel, et en ce que le dispositif d'arrêt (32, 34) est réalisé d'une seule pièce.Movement (10) according to any one of the preceding claims, characterized in that the stop device (32, 34) comprises a support foot (44, 46) which cooperates with the internal toothing (24, 26) and an elastic arm (40, 42) which constitutes the elastic return member, and in that the stop device (32, 34) is made in one piece. Mouvement (10) selon la revendication précédente, comportant un anneau supérieur (12) et un anneau inférieur (14) qui sont superposés axialement et qui constituent des anneaux de quantième, chaque anneau (12, 14) comportant un dispositif d'arrêt (32, 34) associé, l'anneau supérieur (12) présentant au moins une fenêtre (30) ouverte ou transparente permettant de faire apparaître les inscriptions portées par l'anneau inférieur (14), les moyens d'entraînement (20) coopérant avec les dentures intérieures (24, 26) des anneaux (12, 14) de telle manière que les inscriptions portées par l'anneau inférieur (14) apparaissent successivement dans la zone d'affichage (22) au travers de la fenêtre (30), l'anneau supérieur (12) restant immobile, puis que, l'anneau inférieur (14) étant immobile, les inscriptions portées par l'anneau supérieur (12) apparaissent successivement dans la zone d'affichage (22), l'anneau supérieur (12) recouvrant les inscriptions de l'anneau inférieur (14), caractérisé en ce que les dispositifs d'arrêt (32, 34) sont superposés axialement et ils sont montés pivotant autour du même axe (A2), et en ce que l'organe d'armage (58) coopère avec les bras élastiques (40, 42) des deux dispositifs d'arrêt (32, 34) de manière à armer les deux dispositifs d'arrêt (32, 34) simultanément.Movement (10) according to the preceding claim, comprising an upper ring (12) and a lower ring (14) which are superposed axially and which constitute date rings, each ring (12, 14) comprising a stop device (32, 34) associated, the upper ring (12) having at least one window (30) open or transparent to reveal the inscriptions carried by the lower ring (14), the drive means (20) cooperating with the internal teeth (24, 26) of the rings (12, 14) so that the inscriptions carried by the lower ring (14) ) appear successively in the display area (22) through the window (30), the upper ring (12) remaining stationary, and that, the lower ring (14) being stationary, the inscriptions carried by the upper ring (12) appear successively in the display area (22), the upper ring (12) covering the inscriptions of the lower ring (14), characterized in that the stop devices (32, 34). are superimposed axially and they are mounted pivoting about the same axis (A2), and in that the arming member (58) cooperates with the elastic arms (40, 42) of the two arresting devices (32, 34) so as to arm the two arresting devices (32, 34) simultaneously. Mouvement (10) selon la revendication précédente, caractérisé en ce que l'axe de pivotement (A2) des dispositifs d'arrêt (32, 34) est constitué par un tenon (36) réalisé d'une seule pièce avec la platine (16).Movement (10) according to the preceding claim, characterized in that the pivot axis (A2) of the stop devices (32, 34) consists of a tenon (36) made in one piece with the plate (16). ). Mouvement (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque de maintien (48) comporte une languette d'indexation (52) angulaire qui est munie d'une ouverture (68) et qui coopère avec un plot d'indexation (70) angulaire agencé sur la platine (16) de manière que le plot d'indexation (70) soit reçu dans l'ouverture (68) à la fin du montage à baïonnette en vue de bloquer le pivotement de la plaque de maintien (48) autour de son axe (A1).Movement (10) according to any one of the preceding claims, characterized in that the holding plate (48) comprises an angular indexing tab (52) which is provided with an opening (68) and which cooperates with a stud indexing device (70) angularly arranged on the plate (16) so that the indexing stud (70) is received in the opening (68) at the end of the bayonet mounting to block the pivoting of the plate holding (48) about its axis (A1). Mouvement (10) selon la revendication précédente, caractérisé en ce que la languette d'indexation (52) angulaire s'étend globalement dans un plan radial, en ce qu'elle comporte une extrémité radiale libre (72) et une extrémité radiale opposée (74) liée à la plaque de maintien (48) par une zone de flexion (76), en ce que l'ouverture (68) est délimitée circonférentiellement par deux bords d'appui (78, 80) opposés, la distance séparant les deux bords d'appui (78, 80) étant sensiblement égale au diamètre du plot d'indexation (70) angulaire.Movement (10) according to the preceding claim, characterized in that the angular indexing tab (52) extends generally in a radial plane, in that it comprises a free radial end (72) and an opposite radial end ( 74) connected to the holding plate (48) by a bending zone (76), in that the opening (68) is delimited circumferentially by two opposite bearing edges (78, 80), the distance separating the two bearing edges (78, 80) being substantially equal to the diameter of the angular indexing pad (70).
EP06121273A 2006-09-26 2006-09-26 Watch movement including retaining plate for a display ring Active EP1906269B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE602006007855T DE602006007855D1 (en) 2006-09-26 2006-09-26 Movement comprising a mounting plate for a display ring
EP06121273A EP1906269B1 (en) 2006-09-26 2006-09-26 Watch movement including retaining plate for a display ring
SG200706286-2A SG141326A1 (en) 2006-09-26 2007-08-24 Watch movement including a display ring holding plate
US11/845,315 US7403449B2 (en) 2006-09-26 2007-08-27 Watch movement including a display ring holding plate
JP2007248683A JP5117805B2 (en) 2006-09-26 2007-09-26 Watch movement with indicator ring fixing plate
CN200710161924XA CN101154089B (en) 2006-09-26 2007-09-26 Watch movement including a display ring holding plate
HK08110621.8A HK1119261A1 (en) 2006-09-26 2008-09-24 Watch movement including a display ring holding plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06121273A EP1906269B1 (en) 2006-09-26 2006-09-26 Watch movement including retaining plate for a display ring

Publications (2)

Publication Number Publication Date
EP1906269A1 true EP1906269A1 (en) 2008-04-02
EP1906269B1 EP1906269B1 (en) 2009-07-15

Family

ID=37964899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121273A Active EP1906269B1 (en) 2006-09-26 2006-09-26 Watch movement including retaining plate for a display ring

Country Status (7)

Country Link
US (1) US7403449B2 (en)
EP (1) EP1906269B1 (en)
JP (1) JP5117805B2 (en)
CN (1) CN101154089B (en)
DE (1) DE602006007855D1 (en)
HK (1) HK1119261A1 (en)
SG (1) SG141326A1 (en)

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Publication number Priority date Publication date Assignee Title
EP1923754B1 (en) * 2006-11-14 2009-10-14 ETA SA Manufacture Horlogère Suisse Timepiece movement equipped with a display module
EP2141556B1 (en) * 2008-07-03 2012-06-27 ETA SA Manufacture Horlogère Suisse Calendar mechanism for a timepiece
KR101239589B1 (en) 2010-12-27 2013-03-05 주식회사 포스코 High corrosion resistance martensite stainless steel and method of manufacturing the same
USD739269S1 (en) * 2013-04-16 2015-09-22 Swatch Ltd Wristwatch
AU351858S (en) * 2013-04-16 2013-11-04 Swatch Ag Swatch Sa Swatch Ltd Watch movement
USD759527S1 (en) * 2013-10-16 2016-06-21 Swatch Ltd Oscillating weight
USD755660S1 (en) * 2015-01-16 2016-05-10 Montblanc-Simplo Gmbh Watch dial
USD864781S1 (en) * 2017-03-17 2019-10-29 Lvmh Swiss Manufactures Sa Watch movement
USD894778S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD894777S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD891284S1 (en) * 2018-03-02 2020-07-28 Tudor Watch U.S.A., Llc Watch movement
USD894779S1 (en) * 2018-03-06 2020-09-01 Rolex Watch U.S.A., Inc. Watch movement

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Also Published As

Publication number Publication date
US7403449B2 (en) 2008-07-22
CN101154089B (en) 2011-04-06
EP1906269B1 (en) 2009-07-15
JP2008083054A (en) 2008-04-10
DE602006007855D1 (en) 2009-08-27
SG141326A1 (en) 2008-04-28
HK1119261A1 (en) 2009-02-27
JP5117805B2 (en) 2013-01-16
CN101154089A (en) 2008-04-02
US20080074952A1 (en) 2008-03-27

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