EP0124853A1 - Electronic timepiece with analogous display - Google Patents

Electronic timepiece with analogous display Download PDF

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Publication number
EP0124853A1
EP0124853A1 EP84104863A EP84104863A EP0124853A1 EP 0124853 A1 EP0124853 A1 EP 0124853A1 EP 84104863 A EP84104863 A EP 84104863A EP 84104863 A EP84104863 A EP 84104863A EP 0124853 A1 EP0124853 A1 EP 0124853A1
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EP
European Patent Office
Prior art keywords
stator
rod
pinion
axes
mobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84104863A
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German (de)
French (fr)
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EP0124853B1 (en
Inventor
Jean-Claude Schaffner
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 SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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Application filed by Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0124853A1 publication Critical patent/EP0124853A1/en
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Publication of EP0124853B1 publication Critical patent/EP0124853B1/en
Expired legal-status Critical Current

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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
    • G04B33/00—Calibers
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components

Definitions

  • the present invention relates to electronic timepieces with analog display. It relates, more particularly, to an analog watch in which the pins axes as well as the rotor of the stepping motor are pivotally mounted in the stator of the latter, while the mobiles which are not carried by the axes d 'Needles are also pivotally mounted in the stator.
  • the stator thus serves, to the exclusion of any bridge, as a single plate for all of the elements which constitute what is called the motor module.
  • a watch of this type is manufactured and marketed by the applicant under the name SWATCH. Its construction is, moreover, described in patent application GB 2 094 039.
  • This technique not only saves a bridge, but also makes a watch of relatively small thickness while being of easy construction and reduced manufacturing cost. In addition, mounting this motor module in the watch does not require any delicate operation.
  • the present invention represents an additional step in the path opened by the SWATCH watch.
  • This step concerns the mounting of the control or time-setting mechanism of the watch, which generally consists of a sliding control rod, a pinion with edge teeth, called a sliding pinion, slidably mounted on the rod. and integral with the latter in rotation, a mechanism, consisting of a rocker and a pull tab, responding to the sliding of the rod to move the sliding pinion between a rest position and an active position and, finally, d 'a return mobile meshing with one of the mobile motor module and the sliding pinion, when the latter is in the active position.
  • the stator of the motor serves as a single plate not only for all the elements which constitute the motor module, as is achieved in the SWATCH watch, but also for the scale, the pull cord and the mobile for returning the control device.
  • stator 10 the stator, of very particular shape, of a Lavet motor which plays both the normal role of magnetic circuit guiding the magnetic field created by the coil and the role of single platinum for mobiles , the axes of the needles and the rod control device.
  • This stator is made, for example, of a ferro-nickel alloy sold under the brand "Vacoperm”. It typically has a thickness of 0.7 mm.
  • FIG. 1 shows that the stator 10 has roughly the shape of a V whose ends are connected to the core 12 of a coil 14.
  • the stator 10 is pierced with a circular bore 16 in which is housed the rotor 18 of the motor .
  • two notches 20 and 20 ' are provided in the stator to define the isthmus separating the two poles of the stator.
  • Two other notches 22 and 22 ' opposite over a diameter of the bore offset by approximately 50 ° relative to the diameter which joins the notches 20 and 20', serve to define, as is conventional in such a motor, the position rotor 18.
  • a skirt-shaped part 24 closed by a plate 26 is forced into the bore 16.
  • the rotor 18, pivotally mounted inside this skirt consists of a magnet 28 mounted inside a cage 30 integral with an axis 32 engaged in the bearing that constitutes the bottom of the skirt 24 and an axis 34 engaged in the bearing that constitutes the plate 26.
  • the axis 34 is extended towards the outside of the skirt by two pins 36 and 36 'which act as gables.
  • the parts 24 and 26 ensure the positioning of the rotor relative to the stator. This avoids the delicate operation of centering the rotor in the stator during assembly of the movement.
  • stator 10 is pierced, substantially at its center, with a second bore 38 used for mounting the axes of the needles.
  • a guide tube 40 is driven which protrudes from the upper face of the stator.
  • the axis of the seconds 42 at the end of which the second hand will be mounted (not shown), is engaged inside the tube 40.
  • the lower end of the axis 42 carries a second mobile 44 constituted by a seconds wheel 44a meshing with the lugs 36 - 36 'and by a pinion 44b.
  • the minute mobile 46 which comprises, in a conventional manner, a carriageway formed by a tube 46a at the end of which is mounted the minute hand (not shown) and a pinion 46b, as well as a wheel 46c.
  • the barrel wheel 48 which comprises, on the one hand, the tube 48a on which is mounted the hour hand (not shown) and, on the other hand, the hour wheel 48b.
  • the stator 10 has a third bore 50 in which a sleeve 52 is forcibly engaged, which has an axial bore 54 serving as a bearing for an axis 56 which projects on either side of the stator 10. At its lower end, is mounted an intermediate wheel 58 which meshes with the second pinion 44b.
  • the axis 56 carries, at its other end, a pinion 60 which meshes with the minute wheel 46c.
  • the upper end of the axis 56 is rectified to serve as a pivot axis for the timer mobile 62 which is, conventionally, constituted by a wheel 62a meshing with the minute pinion 46b and by a pinion 62b meshing with the hour wheel 48b.
  • the tree 56 thus has a double function. On the one hand, it secures in rotation the wheel 58 and the pinion 60 and, on the other hand, it serves as a pivot axis for the timer mobile 62.
  • the control mechanism of the watch shown in FIG. 1, comprises a control rod 64 slidably mounted in the middle part shown partially at 66.
  • This rod comprises a square cross-section portion 64a which cooperates in rotation with the bore of a sliding pinion 68.
  • the rod 64 is in the active position when it is pulled (position shown in FIG. 1) and it is inactive in the pushed back position.
  • This rod communicates a reverse translational movement to the sliding pinion 68 by means of two levers which consist of a pull tab 70 and a rocker 72.
  • the pull tab 70 is pivotally mounted on a tenon 74 fixed to the stator 10.
  • the end 70a of the pull tab is engaged in a groove 64b of the rod 64.
  • the rocker 72 is pivotally mounted around a stud 76 which, like the stud 74, is fixed on the stator 10.
  • the end 72a of the rocker is engaged in a groove of the sliding pig 68, while its other end 72b is in abutment on the rounded portion of the pull tab 70 which is at the level of the stud 74.
  • the end 70b of the pull tab can take place in one or the other of two cutouts 72c and 72d of the lever. This is, finally, pierced with an oblong window 72e through which a tenon 78 also attached to the stator. This pin is used both to maintain the rocker 72 and, by cooperating with the opening 72 thereof, to_limit its stroke.
  • the sliding pinion 68 comprises, on its face which looks at the center of the movement, a toothing 68a which meshes with a reference 80 meshing itself with the timer wheel 62a.
  • the timer wheel return 80 is pivotally mounted around a nail 82 which is driven into a hollow stud 84 forming an integral part of the stator 10.
  • the latter is locally stamped to form a on the one hand, the pin 84 and, on the other hand, a groove 86 which guides the end 64c of the control rod.
  • a plate 88 fixed to the stator by means not shown partially covers the mobiles which provide the connection between the rotor and the axes of the needles.
  • This plate is pierced with a first opening 88a which allows the axes of the needles to pass and a second opening 88b at the upper end of the timer pinion 62b.
  • This plate protects the mobiles and at the same time prevents the upper mobiles, namely the barrel wheel 48 and the timer 62, from escaping from their axes when handling the module.
  • the seconds axis 42 carries, at its upper part, a ring 90 which rotates freely in the tube 46a. This ring, coming into abutment on the guide tube 40, prevents the fall of the second 44 mobile during handling of the module.
  • the first advantage consists in the fact that the assembly produced comprises, with the exception of the control rod, all of the movable mechanical members of the watch. This set can be made separately, then mounted in the watch by an extremely simple operation which requires no special care.
  • Another advantage of the invention lies in the complete elimination of bridges to use a single plate formed by the stator of the motor itself. This results in a significant reduction in the thickness overall version of the watch fitted with such an assembly.
  • a third advantage of the invention lies in the fact that, the time setting mechanism and the timer return being mounted on the stator, it is very easy to guarantee their relative positioning.
  • a fourth advantage of the invention consists in the fact that the end of the rod is guided without other means than the stator itself.

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

Abstract

The stator (10) of the motor serves as a single plate, not only for the rotor, wheels and spindles for hands, but also for the rocker (72), the pulling crank (70) and the setting pinion of the minutes wheel. The stator is shaped locally to form, on the one hand, a groove which guides the end of the setting stem (64) and, on the other hand, a boss (84) into which is driven a pin (82) serving as a spindle for the setting pinion (80).

Description

La présente invention se rapporte aux pièces d'horlogerie électronique à affichage analogique. Elle concerne, plus particulièrement, une montre analogique dans laquelle les axes d'aiguilles ainsi que le rotor du moteur pas-â-pas sont montés pivotants dans le stator de ce dernier, tandis que les mobiles qui ne sont pas portés par les axes d'aiguilles sont, eux aussi, montés pivotants dans le stator. Le stator sert ainsi, à l'exclusion de tout pont, de platine unique pour l'ensemble des éléments qui constituent ce que l'on appelle le module moteur.The present invention relates to electronic timepieces with analog display. It relates, more particularly, to an analog watch in which the pins axes as well as the rotor of the stepping motor are pivotally mounted in the stator of the latter, while the mobiles which are not carried by the axes d 'Needles are also pivotally mounted in the stator. The stator thus serves, to the exclusion of any bridge, as a single plate for all of the elements which constitute what is called the motor module.

Une montre de ce type est fabriquée et commercialisée par la demanderesse sous la dénomination SWATCH. Sa construction est, par ailleurs, décrite dans la demande de brevet GB 2 094 039.A watch of this type is manufactured and marketed by the applicant under the name SWATCH. Its construction is, moreover, described in patent application GB 2 094 039.

Cette technique permet non seulement d'économiser un pont, mais aussi de réaliser une montre d'épaisseur relativement faible tout en étant d'une construction aisée et d'un coût de fabrication réduit. En outre, le montage de ce module moteur dans la montre ne nécessite aucune opération délicate.This technique not only saves a bridge, but also makes a watch of relatively small thickness while being of easy construction and reduced manufacturing cost. In addition, mounting this motor module in the watch does not require any delicate operation.

La présente invention représente un pas supplémentaire dans la voie ouverte par la montre SWATCH. Ce pas concerne le montage du mécanisme de commande ou de mise à l'heure de la montre, lequel est généralement constitué d'une tige de commande coulissante, d'un pignon à denture de chant, appelé pignon coulant, monté coulissant sur la tige et solidaire de celle-ci en rotation, d'un mécanisme, constitué d'une bascule et d'une tirette, répondant au coulissement de la tige pour déplacer le pignon coulant entre une position de repos et une position active et, finalement, d'un mobile de renvoi engrenant avec l'un des mobiles du module moteur et le pignon coulant, lorsque celui-ci est en position active.The present invention represents an additional step in the path opened by the SWATCH watch. This step concerns the mounting of the control or time-setting mechanism of the watch, which generally consists of a sliding control rod, a pinion with edge teeth, called a sliding pinion, slidably mounted on the rod. and integral with the latter in rotation, a mechanism, consisting of a rocker and a pull tab, responding to the sliding of the rod to move the sliding pinion between a rest position and an active position and, finally, d 'a return mobile meshing with one of the mobile motor module and the sliding pinion, when the latter is in the active position.

Selon l'invention, le stator du moteur sert de platine unique non seulement pour l'ensemble des éléments qui constituent le module moteur, comme cela est réalisé dans la montre SWATCH, mais aussi pour la bascule, la tirette et le mobile de renvoi du dispositif de commande.According to the invention, the stator of the motor serves as a single plate not only for all the elements which constitute the motor module, as is achieved in the SWATCH watch, but also for the scale, the pull cord and the mobile for returning the control device.

On dispose ainsi d'un module regroupant, à l'exception, bien entendu, de la tige de commande, l'ensemble des éléments mobiles de la montre (moteur, mobiles, axes d'aiguilles et dispositif de commande) dont le montage nécessite des opérations assez délicates. Ce module peut donc être réalisé à part lors d'une phase regroupant la totalité des opérations délicates, puis monté dans la montre par une opération qui, elle, n'exige aucune précision particulière. En outre, et cela constitue un avantage important de l'invention, la position du mobile de renvoi par rapport à l'ensemble bascule- tirette est parfaitement garantie.We thus have a module grouping, with the exception, well understood, from the control rod, all of the mobile elements of the watch (motor, mobile, needle axes and control device), the assembly of which requires fairly delicate operations. This module can therefore be produced separately during a phase bringing together all of the delicate operations, then mounted in the watch by an operation which does not require any particular precision. In addition, and this constitutes an important advantage of the invention, the position of the return mobile relative to the rocker-zipper assembly is perfectly guaranteed.

D'autres caractéristiques et avantages de la présente invention ressortiront de la description qui va suivre, faite en regard des dessins annexés et donnant, à titre explicatif mais nullement limitatif, une forme avantageuse de réalisation de ce module.Other characteristics and advantages of the present invention will emerge from the description which follows, given with reference to the appended drawings and giving, by way of explanation but in no way limiting, an advantageous embodiment of this module.

Sur ces dessins:

  • - la figure 1 est une vue en plan d'une pièce d'horlogerie selon l'invention;
  • - la figure 2 est une vue partielle en coupe verticale selon la ligne II-II de la figure 1; et
  • - la figure 3 est une autre vue en coupe verticale selon la ligne III-III de la figure 1.
In these drawings:
  • - Figure 1 is a plan view of a timepiece according to the invention;
  • - Figure 2 is a partial view in vertical section along the line II-II of Figure 1; and
  • - Figure 3 is another view in vertical section along line III-III of Figure 1.

Sur ces figures, on a représente en 10 le stator, de forme très particulière, d'un moteur Lavet qui joue à la fois le rôle normal de circuit magnétique guidant le champ magnétique créé par la bobine et le rôle de platine unique pour les mobiles, les axes des aiguilles et le dispositif de commande par tige. Ce stator est réalisé, par exemple, en un alliage ferro-nickel commercialisé sous la marque "Vacoperm". Il a, typiquement, une épaisseur de 0,7 mm.In these figures, there is shown at 10 the stator, of very particular shape, of a Lavet motor which plays both the normal role of magnetic circuit guiding the magnetic field created by the coil and the role of single platinum for mobiles , the axes of the needles and the rod control device. This stator is made, for example, of a ferro-nickel alloy sold under the brand "Vacoperm". It typically has a thickness of 0.7 mm.

La figure 1 montre que le stator 10 a grossièrement la forme d'un V dont les extrémités sont reliées au noyau 12 d'une bobine 14. Le stator 10 est percé d'un alésage circulaire 16 dans lequel est logé le rotor 18 du moteur. Au droit de cet alésage, deux encoches 20 et 20' sont ménagées dans le stator pour définir les isthmes séparant les deux pôles du stator. Deux autres encoches 22 et 22', opposées sur un diamètre de l'alésage décalé d'environ 50° par rapport au diamètre qui joint les enchoches 20 et 20', servent à définir, comme cela est classique dans un tel moteur, la position de repos du rotor 18.Figure 1 shows that the stator 10 has roughly the shape of a V whose ends are connected to the core 12 of a coil 14. The stator 10 is pierced with a circular bore 16 in which is housed the rotor 18 of the motor . To the right of this bore, two notches 20 and 20 'are provided in the stator to define the isthmus separating the two poles of the stator. Two other notches 22 and 22 ', opposite over a diameter of the bore offset by approximately 50 ° relative to the diameter which joins the notches 20 and 20', serve to define, as is conventional in such a motor, the position rotor 18.

Comme on le voit sur la figure 2, une pièce en forme de jupe 24 fermée par une plaque 26 est enfoncée à force dans l'alésage 16. Le rotor 18, monté pivotant à l'intérieur de cette jupe, est constitué d'un aimant 28 monté à l'intérieur d'une cage 30 solidaire d'un axe 32 engagé dans le palier que constitue le fond de la jupe 24 et d'un axe 34 engagé dans le palier que constitue la plaque 26. L'axe 34 se prolonge vers l'extérieur de la jupe par deux ergots 36 et 36' qui jouent le rôle de pignon.As seen in Figure 2, a skirt-shaped part 24 closed by a plate 26 is forced into the bore 16. The rotor 18, pivotally mounted inside this skirt, consists of a magnet 28 mounted inside a cage 30 integral with an axis 32 engaged in the bearing that constitutes the bottom of the skirt 24 and an axis 34 engaged in the bearing that constitutes the plate 26. The axis 34 is extended towards the outside of the skirt by two pins 36 and 36 'which act as gables.

On voit ainsi que les pièces 24 et 26 assurent le positionnement du rotor par rapport au stator. On évite, de cette manière, l'opération délicate de centrage du rotor dans le stator lors du montage d'ensemble du mouvement.It can thus be seen that the parts 24 and 26 ensure the positioning of the rotor relative to the stator. This avoids the delicate operation of centering the rotor in the stator during assembly of the movement.

Par ailleurs, le stator 10 est percé, sensiblement en son centre, d'un deuxième alésage 38 servant au montage des axes des aiguilles. Dans cet alésage, est chassé un tube de guidage 40 qui fait saillie hors de la face supérieure du stator. L'axe des .secondes 42, à l'extrémité duquel sera montée l'aiguille des secondes (non représentée), est engagé a l'intérieur du tube 40. L'extrémité inférieure de l'axe 42 porte un mobile de secondes 44 constitué par une roue de secondes 44a engrènant avec les ergots 36 - 36' et par un pignon 44b. Sur la face externe du tube 40, est monté le mobile des minutes 46 qui comprend, de façon classique, une chaussée formée d'un tube 46a à l'extrémité duquel est montée l'aiguille des minutes (non représentée) et d'un pignon 46b, ainsi qu'une roue 46c. Sur la face externe du tube 46a de la chaussée, est montée la roue à canon 48 qui comprend, d'une part, le tube 48a sur lequel est montée l'aiguille des heures (non représentée) et, d'autre part, la roue des heures 48b.Furthermore, the stator 10 is pierced, substantially at its center, with a second bore 38 used for mounting the axes of the needles. In this bore, a guide tube 40 is driven which protrudes from the upper face of the stator. The axis of the seconds 42, at the end of which the second hand will be mounted (not shown), is engaged inside the tube 40. The lower end of the axis 42 carries a second mobile 44 constituted by a seconds wheel 44a meshing with the lugs 36 - 36 'and by a pinion 44b. On the external face of the tube 40 is mounted the minute mobile 46 which comprises, in a conventional manner, a carriageway formed by a tube 46a at the end of which is mounted the minute hand (not shown) and a pinion 46b, as well as a wheel 46c. On the external face of the tube 46a of the roadway, is mounted the barrel wheel 48 which comprises, on the one hand, the tube 48a on which is mounted the hour hand (not shown) and, on the other hand, the hour wheel 48b.

Le stator 10 comporte un troisième alésage 50 dans lequel est engagé à force un manchon 52, lequel possède un alésage axial 54 servant de palier pour un axe 56 qui déborde de part et d'autre du stator 10. A son extrémité inférieure, est montée une roue intermédiaire 58 qui engrène avec le pignon des secondes 44b. L'axe 56 porte, à son autre extrémité, un pignon 60 qui engrène avec la roue des minutes 46c. En outre, l'extrémité supérieure de l'axe 56 est rectifiée pour servir d'axe de pivotement pour le mobile de minuterie 62 qui est constitué, de façon classique, par une roue 62a engrenant avec le pignon des minutes 46b et par un pignon 62b engrènant avec la roue des heures 48b. L'arbre 56 a ainsi une double fonction. D'une part, il solidarise en rotation la roue 58 et le pignon 60 et, d'autre part, il sert d'axe de pivotement pour le mobile de minuterie 62.The stator 10 has a third bore 50 in which a sleeve 52 is forcibly engaged, which has an axial bore 54 serving as a bearing for an axis 56 which projects on either side of the stator 10. At its lower end, is mounted an intermediate wheel 58 which meshes with the second pinion 44b. The axis 56 carries, at its other end, a pinion 60 which meshes with the minute wheel 46c. In addition, the upper end of the axis 56 is rectified to serve as a pivot axis for the timer mobile 62 which is, conventionally, constituted by a wheel 62a meshing with the minute pinion 46b and by a pinion 62b meshing with the hour wheel 48b. The tree 56 thus has a double function. On the one hand, it secures in rotation the wheel 58 and the pinion 60 and, on the other hand, it serves as a pivot axis for the timer mobile 62.

Le mécanisme de commande de la montre, représenté sur la figure 1, comprend une tige de commande 64 montée coulissante dans la carrure représenté partiellement en 66. Cette tige comporte une portion à section droite carrée 64a qui coopère en rotation avec l'alésage d'un pignon coulant 68. La tige 64 est en position active lorsqu'elle est tirée (position représentée sur la figure 1) et elle est inactive dans la position repoussée. Cette tige communique un mouvement de translation inverse au pignon coulant 68 par l'intermédiaire de deux leviers qui sont constitués d'une tirette 70 et d'une bascule 72.The control mechanism of the watch, shown in FIG. 1, comprises a control rod 64 slidably mounted in the middle part shown partially at 66. This rod comprises a square cross-section portion 64a which cooperates in rotation with the bore of a sliding pinion 68. The rod 64 is in the active position when it is pulled (position shown in FIG. 1) and it is inactive in the pushed back position. This rod communicates a reverse translational movement to the sliding pinion 68 by means of two levers which consist of a pull tab 70 and a rocker 72.

La tirette 70 est montée pivotante sur un tenon 74 fixé sur le stator 10. L'extrémité 70a de la tirette est engagée dans une gorge 64b de la tige 64.The pull tab 70 is pivotally mounted on a tenon 74 fixed to the stator 10. The end 70a of the pull tab is engaged in a groove 64b of the rod 64.

La bascule 72 est montée pivotante autour d'un plot 76 qui, comme le tenon 74, est fixé sur le stator 10. L'extrémité 72a de la bascule est engagée dans une gorge du pigon coulant 68, tandis que son autre extrémité 72b est en butée sur la portion arrondie de la tirette 70 qui se trouve au niveau du tenon 74. L'extrémité 70b de la tirette peut prendre place dans l'une ou l'autre de deux découpes 72c et 72d de la bascule. Celle-ci est, enfin, percée d'une fenêtre oblongue 72e que traverse un tenon 78 lui aussi fixé sur le stator. Ce tenon sert à la fois au maintien de la bascule 72 et, en coopérant avec l'ouverture 72 de celui-ci, à_limiter sa course.The rocker 72 is pivotally mounted around a stud 76 which, like the stud 74, is fixed on the stator 10. The end 72a of the rocker is engaged in a groove of the sliding pig 68, while its other end 72b is in abutment on the rounded portion of the pull tab 70 which is at the level of the stud 74. The end 70b of the pull tab can take place in one or the other of two cutouts 72c and 72d of the lever. This is, finally, pierced with an oblong window 72e through which a tenon 78 also attached to the stator. This pin is used both to maintain the rocker 72 and, by cooperating with the opening 72 thereof, to_limit its stroke.

Le pignon coulant 68 comporte, sur sa face qui regarde le centre du mouvement, une denture de chant 68a qui engrène avec un renvoi 80 engrènant lui-même avec la roue de minuterie 62a.The sliding pinion 68 comprises, on its face which looks at the center of the movement, a toothing 68a which meshes with a reference 80 meshing itself with the timer wheel 62a.

Comme le montre mieux la figure 3, le renvoi de roue de minuterie 80 est monté pivotant autour d'un clou 82 qui est chassé dans un tenon creux 84 faisant partie intégrante du stator 10. Ce dernier est localement embouti pour former, d'une part, le tenon 84 et, d'autre part, une rainure 86 qui assure le guidage de l'extrémité 64c de la tige de commande.As best shown in Figure 3, the timer wheel return 80 is pivotally mounted around a nail 82 which is driven into a hollow stud 84 forming an integral part of the stator 10. The latter is locally stamped to form a on the one hand, the pin 84 and, on the other hand, a groove 86 which guides the end 64c of the control rod.

Une plaque 88, fixée sur le stator par des moyens non représentés recouvre partiellement les mobiles qui assurent la liaison entre le rotor et les axes d'aiguilles. Cette plaque est percée d'une première ouverture 88a qui laisse passer les axes d'aiguilles et d'une deuxième ouverture 88b au niveau de l'extrémité-supérieure du pignon de minuterie 62b. Cette plaque assure la protection des mobiles et évite en même temps, lors des manipulations du module, que les mobiles supérieurs, à savoir la roue à canon 48 et la minuterie 62, s'échappent de leurs axes.A plate 88, fixed to the stator by means not shown partially covers the mobiles which provide the connection between the rotor and the axes of the needles. This plate is pierced with a first opening 88a which allows the axes of the needles to pass and a second opening 88b at the upper end of the timer pinion 62b. This plate protects the mobiles and at the same time prevents the upper mobiles, namely the barrel wheel 48 and the timer 62, from escaping from their axes when handling the module.

Enfin, l'axe des secondes 42 porte, à sa partie supérieure, une bague 90 qui tourne librement dans le tube 46a. Cette bague, venant en butée sur le tube de guidage 40, empêche la chute du mobile des secondes 44 lors des manipulations du modulé.Finally, the seconds axis 42 carries, at its upper part, a ring 90 which rotates freely in the tube 46a. This ring, coming into abutment on the guide tube 40, prevents the fall of the second 44 mobile during handling of the module.

Le fonctionnement du mécanisme de commande découle de la description qui précède. Lorsque la tige 64 est en position repoussée, l'extrémité 70b de la tirette prend place dans la découpe 72d de la bascule dont l'extrémité 72a éloigne le pignon coulant 68, et donc sa denture de chant 68a, du renvoi de roue de minuterie 80. Le pigon coulant est ainsi en position de repos et la rotation de la tige est sans effet sur le renvoi 80. Au contraire, lorsque la tige 64 est en position tirée (position représentée sur la figure 1), l'extrémité , 70b de la tirette vient prendre place dans la découpe 72c de la bascule dont l'extrémité 72a met le pignon coulant 68 en position active en le poussant en direction du renvoi 80 de manière que la denture de chant engrène avec ce dernier. La rotation de la tige est alors transmise par le renvoi à la roue de minuterie et permet donc d'entraîner les axes d'aiguilles pour effectuer une mise à l'heure.The operation of the control mechanism follows from the above description. When the rod 64 is in the pushed-back position, the end 70b of the pull tab takes place in the cutout 72d of the lever whose end 72a moves the sliding pinion 68, and therefore its edge teeth 68a, away from the timer wheel return 80. The sliding pig is thus in the rest position and the rotation of the rod has no effect on the return 80. On the contrary, when the rod 64 is in the pulled position (position shown in FIG. 1), the end, 70b of the pull tab takes place in the cutout 72c of the lever whose end 72a puts the sliding pinion 68 in the active position by pushing it in the direction of the reference 80 so that the edge teeth mesh with the latter. The rotation of the rod is then transmitted by the reference to the timer wheel and therefore makes it possible to drive the axes of the hands to set the time.

Les avantages de l'invention apparaissent maintenant de manière très claire.The advantages of the invention now appear very clearly.

Le premier avantage consiste dans le fait que l'ensemble réalisé comporte, à l'exception de la tige de commande, la totalité des organes mécaniques mobiles de la montre. Cet ensemble peut être réalisé séparément, puis monté dans la montre par une opération extrêmement simple qui ne nécessite aucun soin particulier. Un autre avantage de l'invention réside dans la suppression complète des ponts pour utiliser une seule platine constituée par le stator du moteur lui-même. Il en résulte une diminution sensible de l'épaisseur globale de la montre équipée d'un tel ensemble. Un troisième avantage de l'invention réside dans le fait que, le mécanisme de mise à l'heure et le renvoi de minuterie étant montés sur le stator, il est très facile de garantir leur positionnement relatif. Enfin, un quatrième avantage de l'invention consiste dans le fait que le guidage de l'extrémité de la tige est assuré sans autres moyens que le stator lui-même.The first advantage consists in the fact that the assembly produced comprises, with the exception of the control rod, all of the movable mechanical members of the watch. This set can be made separately, then mounted in the watch by an extremely simple operation which requires no special care. Another advantage of the invention lies in the complete elimination of bridges to use a single plate formed by the stator of the motor itself. This results in a significant reduction in the thickness overall version of the watch fitted with such an assembly. A third advantage of the invention lies in the fact that, the time setting mechanism and the timer return being mounted on the stator, it is very easy to guarantee their relative positioning. Finally, a fourth advantage of the invention consists in the fact that the end of the rod is guided without other means than the stator itself.

Il va de soi que la présente invention ne se limite pas au seul mode de réalisation qui a été représenté, mais que la portée du présent brevet s'étend également aux variantes de tout ou partie des dispositions décrites restant dans le cadre des équivalences, ainsi qu'à toute application de telles dispositions.It goes without saying that the present invention is not limited to the single embodiment which has been shown, but that the scope of this patent also extends to variants of all or part of the described arrangements remaining within the framework of equivalences, as well than to any application of such provisions.

Claims (2)

1. Pièce d'horlogerie électronique comportant un moteur constitué d'une bobine, d'un stator et d'un rotor monté pivotant dans le stator, des axes d'aiguilles également montés pivotants dans le stator, des mobiles assurant la liaison cinématique entre le rotor et les axes d'aiguilles, lesdits mobiles étant soit portés par lesdits axes soit montés pivotants dans le stator, et un dispositif de commande coulissant qui comporte une tige de commande coulissante et mobile en rotation, un pignon à denture de champ monté coulissant sur ladite tige et solidaire de celle-ci en rotation, un mécanisme répondant au coulissement de la tige pour déplacer ledit pignon entre une position de repos et une position active, et un mobile de renvoi engrenant avec l'un desdits mobiles et ledit pignon lorsque celui-ci est en position active, caractérisée en ce que ledit mécanisme et ledit mobile de renvoi sont montés sur le stator.1. Electronic timepiece comprising a motor consisting of a coil, a stator and a rotor pivotally mounted in the stator, pins axes also pivotally mounted in the stator, mobiles ensuring the kinematic connection between the rotor and the axes of the needles, the said mobiles being either carried by the said axes or pivotally mounted in the stator, and a sliding control device which comprises a sliding control rod which is movable in rotation, a sprocket with field teeth slidably mounted on said rod and integral with the latter in rotation, a mechanism responding to the sliding of the rod to move said pinion between a rest position and an active position, and a return mobile meshing with one of said mobile and said pinion when the latter is in the active position, characterized in that the said mechanism and the said return mobile are mounted on the stator. 2. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que le stator est localement embouti pour former, d'un côté, une rainure de guidage de l'extrémité de la tige et, du côté opposé, un tenon dans lequel est introduit l'axe du mobile de renvoi.2. Timepiece according to claim 1, characterized in that the stator is locally stamped to form, on one side, a guide groove at the end of the rod and, on the opposite side, a tenon in which is introduces the axis of the return mobile.
EP84104863A 1983-05-05 1984-04-30 Electronic timepiece with analogous display Expired EP0124853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2450/83 1983-05-05
CH245083A CH648984GA3 (en) 1983-05-05 1983-05-05

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EP0124853A1 true EP0124853A1 (en) 1984-11-14
EP0124853B1 EP0124853B1 (en) 1989-11-02

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EP84104863A Expired EP0124853B1 (en) 1983-05-05 1984-04-30 Electronic timepiece with analogous display

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US (1) US4488819A (en)
EP (1) EP0124853B1 (en)
JP (1) JPS59210391A (en)
CH (1) CH648984GA3 (en)
DE (1) DE3480360D1 (en)
HK (1) HK92192A (en)
SG (1) SG71292G (en)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
FR2582824A1 (en) * 1985-06-03 1986-12-05 Timex Corp ELECTRIC WATCH
EP0216018A1 (en) * 1985-09-16 1987-04-01 Timex Corporation Small stepping motor driven time piece
EP0393605A1 (en) * 1989-04-21 1990-10-24 Eta SA Fabriques d'Ebauches Electronic time piece with at least two motors
FR2654225A1 (en) * 1989-11-06 1991-05-10 Timex Corp ANALOGUE WATCH MOVEMENT WITH THREE NEEDLES.
CH677578GA3 (en) * 1989-11-17 1991-06-14 Watch or clock mechanism with two motor drives
FR2690764A1 (en) * 1992-04-30 1993-11-05 Timex Corp Subset for watch movement.

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DE3522688A1 (en) * 1985-06-25 1987-01-08 Pforzheimer Uhren Rohwerke WHEELWORK OF A WRISTWATCH
JPH0187288U (en) * 1987-12-02 1989-06-08
CH681189B5 (en) * 1991-02-05 1993-08-13 Complications Sa
FR2752496B1 (en) * 1996-08-14 1998-10-23 Ebauchesfabrik Eta Ag ELECTROMECHANICAL TRANSDUCER HAVING TWO PERMANENT MAGNET ROTORS
CH690881A5 (en) 1996-12-04 2001-02-15 Ebauchesfabrik Eta Ag and electromechanical phase electromechanical transducer device comprising at least one such transducer.
CH707808B1 (en) * 2013-03-19 2017-05-15 Nivarox Far Sa Watch mechanism cassette.

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US4079582A (en) * 1975-04-22 1978-03-21 Citizen Watch Co., Ltd. Electronic timepiece
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FR2289947A1 (en) * 1974-11-01 1976-05-28 Schild Sa A WINDING AND TIME-SETTING MECHANISM FOR WATCH MOVEMENT
US4079582A (en) * 1975-04-22 1978-03-21 Citizen Watch Co., Ltd. Electronic timepiece
US4243329A (en) * 1977-11-01 1981-01-06 Citizen Watch Co., Ltd. Watch movement construction
GB2023890A (en) * 1978-05-04 1980-01-03 Citizen Watch Co Ltd Hand setting mechanism for a wristwatch
GB2094518A (en) * 1981-01-23 1982-09-15 Seiko Instr & Electronics Timepiece mechanism
GB2094039A (en) * 1981-02-26 1982-09-08 Ebauchesfabrik Eta Ag Electronic timepiece
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582824A1 (en) * 1985-06-03 1986-12-05 Timex Corp ELECTRIC WATCH
EP0216018A1 (en) * 1985-09-16 1987-04-01 Timex Corporation Small stepping motor driven time piece
EP0393605A1 (en) * 1989-04-21 1990-10-24 Eta SA Fabriques d'Ebauches Electronic time piece with at least two motors
FR2654225A1 (en) * 1989-11-06 1991-05-10 Timex Corp ANALOGUE WATCH MOVEMENT WITH THREE NEEDLES.
CH677578GA3 (en) * 1989-11-17 1991-06-14 Watch or clock mechanism with two motor drives
FR2690764A1 (en) * 1992-04-30 1993-11-05 Timex Corp Subset for watch movement.

Also Published As

Publication number Publication date
HK92192A (en) 1992-11-27
JPH0530235B2 (en) 1993-05-07
US4488819A (en) 1984-12-18
JPS59210391A (en) 1984-11-29
CH648984GA3 (en) 1985-04-30
EP0124853B1 (en) 1989-11-02
DE3480360D1 (en) 1989-12-07
SG71292G (en) 1992-09-04

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