EP1558972B1 - Device for coupling a pinion - Google Patents
Device for coupling a pinion Download PDFInfo
- Publication number
- EP1558972B1 EP1558972B1 EP03753202A EP03753202A EP1558972B1 EP 1558972 B1 EP1558972 B1 EP 1558972B1 EP 03753202 A EP03753202 A EP 03753202A EP 03753202 A EP03753202 A EP 03753202A EP 1558972 B1 EP1558972 B1 EP 1558972B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- coupling
- journal
- coupling block
- uncoupling
- 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.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 61
- 238000010168 coupling process Methods 0.000 title claims abstract description 61
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 61
- 230000001788 irregular Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 16
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
- G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
- G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel
Definitions
- the present invention relates to a coupling device of a pinion on a control rod, particularly of a pinion intended to control any function, in particular a change of date, on a timepiece and more particularly on a wristwatch .
- Known devices for this operation are generally relatively complicated design, requiring in particular one or more movable zippers held in position by one or more springs. These devices generally require a particular adjustment, so they are expensive and also use an important place in the movement of the watch.
- An object of the present invention is therefore to propose a device for coupling a pinion on an improved rod with respect to the known devices, that is to say free from the disadvantages mentioned above.
- Another object of the invention is to provide a device for coupling a pinion on a rod which is simple to manufacture, inexpensive, requiring few moving parts, being absolutely reliable to use and using only a minimum of space.
- the winding stem 1 of FIG. 1 is an elongated element essentially comprising a cylindrical uncoupling surface 10 having a circular cross section having a diameter D and a length L and a coupling block 11 fixed on a bearing surface 12 which follows
- the coupling block 11 here has the general shape of a square base parallelepiped, the dimension A on the side of the square being the value D defined above, as can be seen particularly in FIG. 2.
- the height H of the parallelepiped is preferably equivalent to or less than the length L mentioned above.
- the portion of the coupling block 11 turned towards the uncoupling range 10 is cut so as to have two symmetrical oblique faces 110 and 111, acting as guide surfaces as will be seen later and having between them an angle at the apex ⁇ , the edge common to both faces 110 and 111 being pulled along a diagonal of the coupling block.
- the coupling block 11 is directly contiguous with the uncoupling surface 10, the edge separating the two oblique faces 110 and 111 being in contact with the end face of the uncoupling surface.
- the winding stem 1 may further include other spans according to other functions that are assigned to it such as pulls or other controls.
- the winding stem is equipped here with a range of movement 13 limited by two abutments abutments 14 and 15.dont the utility will be described below.
- a winding crown 16 is attached to the end of the winding stem 1 protruding from the housing, not shown in the figure.
- Other components such as bearings supporting the winding stem are not shown in the figures.
- the pinion 2 seen from the front in FIG. 3 and in two sections in FIGS. 4 and 5 essentially comprises a gear wheel 20 whose central portion is extended by a bearing surface 21 cut in the form of a pyramid.
- the center of the pinion wheel 20 and the bearing 21 are pierced with a hole 22 whose cross section is square in shape and whose edges have a length A + , slightly greater than the length A of the edge of the square forming the cross-section of the coupling block 11, respectively of the diameter D of the uncoupling span 10.
- the bearing surface 21 is cut in the form of a pyramid with a square cross-section, the base of the pyramid being placed against the side of the wheel toothed pinion 20, the edges of said square section forming an angle of 45 ° with the edges of the square of the hole 22.
- the intersection of the faces of the square-section pyramid and the peripheral surfaces of the hole 22 creates opposite oblique faces 210 and 211, as seen in Figures 4 and 5, having an angle ⁇ between them. Preferably this angle ⁇ is equal to that described above.
- the opposite oblique faces 210 and 211 will serve as bearing surfaces as described below.
- the axial length B of the pinion 2 -see FIG. 4- is preferably equivalent to the height H of the coupling block 11.
- the pinion 2 is disposed on the cylindrical uncoupling surface 10 of the rod 1. Since the edge of the hole 22 of the pinion 2 has a value A + very slightly greater than the diameter D of the bearing surface 10 the pinion 2 is uncoupled from this bearing 10 and the rod 1, these two elements being pivotable independently of one another.
- the rod 1 can for example control the movement of the needles of the timepiece, by a known mechanism not shown in the figure, without actuating the pinion 2.
- the pulling movement which is applied to the rod 1 tends to rotate the pinion 2 by sliding one of the bearing surfaces 210 or 211 against the guide surface 110 or 111 against which it abuts, so as to align the square shape of the hole 22 of the pinion 2 on the square form of the base of the coupling block 11.
- This movement ends when the pinion 2 is fully positioned on the coupling block 11 and that the hole square 22 is fully engaged on the faces of the square base of the coupling block.
- the pinion 2 is rotated by the cooperation of the square hole 22 on the square base of the coupling block 11.
- the axial movement of the rod 1 is limited, in the example considered, by the stop 17, fixed to the housing and the two bearing surfaces 14 and 15.
- the length of the travel range 13 is thus determined in order to allow the positioning of the pinion. either on the uncoupling range 10 or on the coupling block 11.
- the length L - FIG. 1 - of the cylindrical bearing surface is slightly longer than the thickness B -figure 4 - pinion 2 to prevent inadvertent contact edges limiting the bearing surfaces 210 and 211 of the pinion 2 against the edges limiting the guide surfaces 110 and 111 of the coupling block 11.
- the winding stem 1 has two working positions, represented in FIGS. 6 and 7. It could equally well be possible to have a winding stem having more than two working positions, each of the positions determining a function. particular, the last of these working positions acting on the pinion as indicated above. For this it suffices to have a decoupling range 10 of sufficient length to allow the pinion to be positioned in several successive positions in the uncoupled state.
- the coupling block 11 comprises two symmetrical oblique surfaces of guide 110 and 111; similar operation of the device could also be obtained with a coupling block having four symmetrical oblique guide surfaces, each pair of surfaces being cut on either side of a diagonal of the coupling block.
- the device has been described with a square-based coupling block cooperating with a pinion provided with a square hole.
- An equivalent device could also be obtained with a coupling block having a base in the form of any polygon, cooperating with a pinion provided with a hole of similar shape cut into a scope of suitable pyramidal shape.
- the coupling between the pinion and the rod can be done according to a plurality of relative angular positions, whereas in the case of an irregular polygonal shape the coupling between the pinion and the rod can only be done in one angular position. This latter possibility may be advantageous for certain particular applications.
- the rod 1 has been described above as comprising a coupling block 11 manufactured separately and fixed on the bearing surface 12 of the rod; one could equally well have the complete element, stem and coupling block, manufactured in one piece, for example by injection.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Operated Clutches (AREA)
- Transmission Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Gear Transmission (AREA)
- Motor Power Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
Description
La présente invention concerne un dispositif d'accouplement d'un pignon sur une tige de commande, particulièrement d'un pignon destiné à commander une fonction quelconque, notamment un changement de date, sur une pièce d'horlogerie et plus particulièrement sur une montre bracelet.The present invention relates to a coupling device of a pinion on a control rod, particularly of a pinion intended to control any function, in particular a change of date, on a timepiece and more particularly on a wristwatch .
Il est connu d'effectuer une correction de la date affichée sur un cadran de montre, lorsque le mois précédent comporte 28, 29 ou 30 jours, de manière à afficher le quantième 1 du nouveau mois. Généralement cette correction se fait en appliquant une traction sur la couronne de la tige du remontoir de manière à accoupler un pignon à ladite tige de remontoir, afin qu'en appliquant ensuite un mouvement de rotation à la couronne de remontoir, cette rotation soit transmise au pignon qui à son tour commande la rotation du disque d'affichage du quantième de manière à afficher la date voulue.It is known to make a correction of the date displayed on a watch face, when the previous month has 28, 29 or 30 days, so as to display the
Les dispositifs connus permettant cette opération sont généralement de conception relativement compliquée, nécessitant notamment une ou plusieurs tirettes mobiles maintenues en position par un ou plusieurs ressorts. Ces dispositifs nécessitent généralement un réglage particulier, ils sont donc onéreux et par ailleurs utilisent une place importante dans le mouvement de la montre.Known devices for this operation are generally relatively complicated design, requiring in particular one or more movable zippers held in position by one or more springs. These devices generally require a particular adjustment, so they are expensive and also use an important place in the movement of the watch.
Un autre dispositif connu est décrit dans US 2002/0167866. L'inconvénient majeur de ce dispositif est que le pignon n'est pas guidé angulairement vers sa position d'accouplement lorsque l'utilisateur désire effectuer l'opération nécessitant l'utilisation dudit pignon. L'utilisateur doit donc chercher la position correcte d'engagement du pignon en imposant de légers mouvements angulaires à la tige de remontoir. Voir pareillement le document JP 5-232252.Another known device is described in US 2002/0167866. The major disadvantage of this device is that the pinion is not guided angularly towards its coupling position when the user wishes to perform the operation requiring the use of said pinion. The user must therefore seek the correct position of engagement of the pinion by imposing slight angular movements to the winding stem. See also JP 5-232252.
Un but de la présente invention est donc de proposer un dispositif d'accouplement d'un pignon sur une tige amélioré par rapport aux dispositifs connu, c'est-à-dire exempt des inconvénients mentionnés ci-dessus.An object of the present invention is therefore to propose a device for coupling a pinion on an improved rod with respect to the known devices, that is to say free from the disadvantages mentioned above.
Un autre but de l'invention est de proposer un dispositif d'accouplement d'un pignon sur une tige qui soit simple de fabrication, peu coûteux, nécessitant peu de pièces mobiles, étant absolument fiable à l'emploi et n'utilisant qu'un minimum de place.Another object of the invention is to provide a device for coupling a pinion on a rod which is simple to manufacture, inexpensive, requiring few moving parts, being absolutely reliable to use and using only a minimum of space.
A cet effet il est proposé un dispositif d'accouplement tel que décrit dans la revendication indépendante, des variantes et formes d'exécution particulières étant décrites dans les revendications dépendantes.For this purpose there is provided a coupling device as described in the independent claim, variants and special embodiments being described in the dependent claims.
Une forme d'exécution particulière d'un dispositif d'accouplement selon l'invention est décrite plus en détail ci-après, présentant encore d'autres avantages que ceux mentionnés précédemment, cette description étant à considérer en regard du dessin annexé comportant les figures où :
- la figure 1 est une vue latérale d'une tige de remontoir faisant partie d'un dispositif d'accouplement selon l'invention,
- la figure 2 est une coupe selon la ligne II-II de la figure précédente,
- la figure 3 est une vue de face d'un pignon faisant partie d'un dispositif d'accouplement selon l'invention,
- la figure 4 est une coupe selon la ligne IV-IV de la figure 3,
- la figure 5 est une coupe selon la ligne V-V de la figure 3,
- la figure 6 est une vue de l'ensemble tige - pignon à l'état désaccouplé, et
- la figure 7 est une vue du même ensemble à l'état accouplé.
- FIG. 1 is a side view of a winding stem forming part of a coupling device according to the invention,
- FIG. 2 is a section along line II-II of the preceding figure,
- FIG. 3 is a front view of a pinion forming part of a coupling device according to the invention,
- FIG. 4 is a section along the line IV-IV of FIG. 3,
- FIG. 5 is a section along the line VV of FIG. 3,
- FIG. 6 is a view of the rod-pinion assembly in the uncoupled state, and
- Figure 7 is a view of the same assembly in the coupled state.
La tige de remontoir 1 de la figure 1 est un élément longiligne comprenant essentiellement une portée cylindrique de désaccouplement 10 présentant une section droite circulaire ayant un diamètre D et une longueur L ainsi qu'un bloc d'accouplement 11 fixé sur une portée 12 faisant suite à la portée de désaccouplement 10. Le bloc d'accouplement 11 a ici la forme générale d'un parallélépipède de base carrée, la dimension A du côté du carré valant la valeur D définie ci-dessus, comme on le voit particulièrement à la figure 2. La hauteur H du parallélépipède est de préférence équivalente ou inférieure à la longueur L mentionnée plus haut. La portion du bloc d'accouplement 11 tournée vers la portée de désaccouplement 10 est coupée de manière à présenter deux faces obliques symétriques 110 et 111, faisant office de surfaces de guidage comme on le verra plus loin et ayant entre elles un angle au sommet α, l'arête commune aux deux faces 110 et 111 étant tirée selon une diagonale du bloc d'accouplement. De préférence le bloc d'accouplement 11 est directement contigu de la portée de désaccouplement 10, l'arête séparant les deux faces obliques 110 et 111 étant en contact avec la face frontale de la portée de désaccouplement.The
La tige de remontoir 1 peut comprendre encore d'autres portées selon d'autres fonctions qui lui sont attribuées comme par exemple des commandes de tirettes ou autres. A titre illustratif, la tige de remontoir est équipée ici d'une portée de débattement 13 limitée par deux portées de butées 14 et 15.dont l'utilité sera décrite plus bas. De manière conventionnelle, une couronne de remontoir 16 est fixée à l'extrémité de la tige de remontoir 1 faisant saillie hors du boîtier, non représenté sur la figure. D'autres composants tels que les paliers supportant la tige de remontoir ne sont pas représentés sur les figures.The
Le pignon 2 vu de face à la figure 3 et selon deux coupes aux figures 4 et 5 comprend essentiellement une roue de pignon denté 20 dont la portion centrale est prolongée d'une portée 21 taillée en forme de pyramide. Le centre de la roue de pignon 20 ainsi que de la portée 21 sont percés d'un trou 22 dont la section droite est de forme carrée et dont les arêtes ont une longueur A+, légèrement supérieure à la longueur A de l'arête du carré formant la section droite du bloc d'accouplement 11, respectivement du diamètre D de la portée de désaccouplement 10. La portée 21 est taillée en forme de pyramide à section droite carrée, la base de la pyramide étant disposée contre le flanc de la roue de pignon denté 20, les arêtes de ladite section carrée formant un angle de 45° avec les arêtes du carré du trou 22. L'intersection des faces de la pyramide à section droite carrée et des surfaces périphériques du trou 22 crée des faces obliques opposées 210 et 211, comme on les voit aux figures 4 et 5, ayant entre elles un angle α. De préférence cet angle α est égal à celui décrit précédemment. Les faces obliques opposées 210 et 211 feront office de surfaces d'appui comme décrit plus loin.The
La longueur axiale B du pignon 2 -voir figure 4- est de préférence équivalente à la hauteur H du bloc d'accouplement 11.The axial length B of the pinion 2 -see FIG. 4- is preferably equivalent to the height H of the
Le fonctionnement du dispositif est décrit aux figures 6 et 7.The operation of the device is described in FIGS. 6 and 7.
Sur la figure 6 on voit que le pignon 2 est disposé sur la portée cylindrique de désaccouplement 10 de la tige 1. Vu que l'arête du trou 22 du pignon 2 a une valeur A+ très légèrement supérieur au diamètre D de la portée 10, le pignon 2 est désaccouplé de cette portée 10 ainsi que de la tige 1, ces deux éléments pouvant pivoter indépendamment l'un de l'autre. Ainsi, dans la position représentée à cette figure, la tige 1 peut par exemple commander le mouvement des aiguilles de la pièce d'horlogerie, par un mécanisme connu en soi non représenté sur la figure, sans actionner le pignon 2.In FIG. 6 it can be seen that the
On voit par ailleurs que le pignon 2 et maintenu selon une position axiale fixe relativement au boîtier par des butées schématisées en 25.It is also seen that the
A la figure 7, on voit que l'on a retiré la tige 1 d'une longueur C en agissant sur le remontoir 16 dans le sens indiqué par la flèche. Vu que le pignon 2 est maintenu axialement par les butées 25. il ne s'est pas déplacé et c'est la tige 1 qui a glissé à l'intérieur du trou 22 du pignon 2. Pour ceci, le pignon peut tout d'abord coulisser sur la portée cylindrique 10 vu les dimensions relatives du trou 22 et de la portée 10. Ensuite, une des surfaces obliques d'appui 210 ou 211 de la portée 21 du pignon 2 est entrée en contact avec une des deux surfaces obliques symétriques de guidage 110 ou 111 du bloc d'accouplement 11. Le mouvement de traction qui est appliqué à la tige 1 tend à faire pivoter le pignon 2 par glissement d'une des surfaces d'appui 210 ou 211 contre la surface de guidage 110 ou 111 contre laquelle elle bute, de manière à aligner la forme carrée du trou 22 du pignon 2 sur la forme carrée de la base du bloc d'accouplement 11. Ce mouvement se termine lorsque le pignon 2 est entièrement positionné sur le bloc d'accouplement 11 et que le trou carré 22 est complètement engagé sur les faces de la base carrée du bloc d'accouplement. En imprimant une rotation à la couronne 16, le pignon 2 est entraîné en rotation par la coopération du trou carré 22 sur la base carrée du bloc d'accouplement 11.In Figure 7, we see that the
Le mouvement axial de la tige 1 est limité, dans l'exemple considéré, par la butée 17, fixée au boîtier et les deux portées 14 et 15. La longueur de la portée de débattement 13 est donc déterminée afin de permettre le positionnement du pignon soit sur la portée de désaccouplement 10, soit sur le bloc d'accouplement 11. Dans l'exemple considéré comme on le voit à la figure 6, la longueur L - figure 1 - de la portée cylindrique est légèrement plus longue que l'épaisseur B -figure 4 - du pignon 2 afin d'éviter un contact intempestif des arêtes limitant les surfaces d'appui 210 et 211 du pignon 2 contre les arêtes limitant les surfaces de guidage 110 et 111 du bloc d'accouplement 11.The axial movement of the
Toujours dans l'exemple considéré ici, la tige de remontoir 1 possède deux positions de travail, représentées aux figures 6 et 7. On pourrait tout aussi bien avoir une tige de remontoir possédant plus de deux positions de travail, chacun des positions déterminant une fonction particulière, la dernière de ces positions de travail agissant sur le pignon comme indiqué précédemment. Pour ceci il suffit d'avoir une portée de désaccouplement 10 de longueur suffisante pour permettre de positionner le pignon selon plusieurs positions successives à l'état désaccouplé.Still in the example considered here, the
L'accouplement du pignon 2 sur la tige 1 est décrit ci-dessus en effectuant une traction sur la couronne de remontoir. Un fonctionnement semblable pourrait être obtenu en inversant la disposition de la portée de désaccouplement 10 relativement au bloc d'accouplement 11 et en effectuant une poussée sur la couronne de remontoir pour accoupler le pignon sur la tige.The coupling of the
Dans la forme d'exécution décrite ci-dessus, le bloc d'accouplement 11 comporte deux surfaces obliques symétriques de guidage 110 et 111 ; un fonctionnement semblable du dispositif pourrait aussi être obtenu avec un bloc d'accouplement comportant quatre surfaces obliques symétriques de guidage, chaque paire de surfaces étant taillée de part et d'autre d'une diagonale du bloc d'accouplement.In the embodiment described above, the
De même, le dispositif a été décrit avec un bloc d'accouplement à base carrée coopérant avec un pignon muni d'un trou carré. Un dispositif équivalent pourrait aussi être obtenu avec un bloc d'accouplement ayant une base sous la forme d'un polygone quelconque, coopérant avec un pignon muni d'un trou de forme semblable taillé dans une portée de forme pyramidale adaptée. Dans le cas d'une forme polygonale régulière, l'accouplement entre le pignon et la tige peut se faire selon une pluralité de positions angulaires relatives, alors que dans le cas d'une forme polygonale irrégulière l'accouplement entre le pignon et la tige ne peut se faire que selon une seule position angulaire. Cette dernière possibilité peut être avantageuse pour certaines applications particulières.Similarly, the device has been described with a square-based coupling block cooperating with a pinion provided with a square hole. An equivalent device could also be obtained with a coupling block having a base in the form of any polygon, cooperating with a pinion provided with a hole of similar shape cut into a scope of suitable pyramidal shape. In the case of a regular polygonal shape, the coupling between the pinion and the rod can be done according to a plurality of relative angular positions, whereas in the case of an irregular polygonal shape the coupling between the pinion and the rod can only be done in one angular position. This latter possibility may be advantageous for certain particular applications.
La tige 1 a été décrite ci-dessus comme comportant un bloc d'accouplement 11 fabriqué séparément et fixé sur la portée 12 de la tige ; on pourrait tout aussi bien avoir l'élément complet, tige et bloc d'accouplement, fabriqué en une seule pièce, par exemple par injection.The
Claims (10)
- A device for coupling a pinion (2) on a rod (1), the rod comprising a cylindrical uncoupling journal (10) and a coupling block (11) successively positioned along the longitudinal axis of the rod,
the coupling block (11) having a cross-section perpendicular to the longitudinal axis of the rod with a polygonal shape, the cylindrical uncoupling journal having a cross-section perpendicular to the longitudinal axis of the rod, with a circular shape, the diameter of which is exactly inscribed in the polygonal shape of the uncoupling block,
the pinion (2) including a toothed pinion wheel (20) extended with a journal (21), the toothed pinion wheel (20) and the journal (21) having a hole (22) passing through them, with a cross section of the same polygonal shape as the uncoupling block (11) positioned along the longitudinal axis of the pinion, the outer surface of the journal being cut according to a pyramidal shape with a polygonal cross-section of the same shape as that of the hole (22), the base of the pyramid being joined to the flank of the pinion wheel,
the pinion (2) and the rod (1) being able to mutually have a relative translational movement along their common longitudinal axis, the pinion being in the uncoupled position when it is located on the cylindrical uncoupling journal (10) and in the coupled position when it is located on the coupling block (11), a rotary movement of the rod being transmitted to the pinion in the coupled position, this movement not being transmitted in the uncoupled position,
characterized in that :the portion of the coupling block (11) turned towards the cylindrical uncoupled journal (10) is cut according to a plurality of oblique guiding surfaces (110, 111) and in that the sides of the pyramid of the journal of the pinion are shifted symmetrically relatively to the size of the hole (22) so as to exhibit a plurality of oblique supporting surfaces (210, 211) oriented so as to cooperate with the oblique guiding surfaces (110, 111) of the coupling block, so that the pinion will be angularly oriented during the passage of the uncoupling journal towards the coupling block by the oblique supporting surfaces (210, 211) of the pinion gliding against the oblique guiding surfaces (110, 111) of the coupling block. - The coupling device according to claim 1, characterized in that the polygonal shape of the cross-section of the coupling block (11) as well as of the hole (22) and of the pyramid of the journal of the pinion is a regular polygon.
- The coupling device according to claim 1, characterized in that the polygonal shape of the cross-section of the coupling block (11) as well as of the hole (22) and of the pyramid of the journal of the pinion is an irregular polygon.
- The coupling device according to claim 1, characterized in that the polygonal shape of the cross-section of the coupling block (11) as well as of the hole (22) and of the pyramid of the journal of the pinion is a square.
- The coupling device according to claim 4, characterized in that the coupling block (11) has two oblique guiding surfaces (110, 111) separated by an edge positioned on a diagonal of the square shape.
- The coupling device according to any of the preceding claims, characterized in that the thickness (B) of the pinion (2) is equivalent to the height (H) of the coupling block (11).
- The coupling device according to any of the preceding claims, characterized in that the length (L) of the uncoupling journal (10) is at least equivalent to the thickness (B) of the pinion (2).
- The coupling device according to any of the preceding claims, intended to control a function on a timepiece.
- A timepiece provided with a coupling device according to claim 8.
- A wristwatch provided with a coupling device according to claim 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH18572002 | 2002-11-06 | ||
| CH185702 | 2002-11-06 | ||
| PCT/CH2003/000698 WO2004042478A2 (en) | 2002-11-06 | 2003-10-24 | Device for coupling a pinion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1558972A2 EP1558972A2 (en) | 2005-08-03 |
| EP1558972B1 true EP1558972B1 (en) | 2007-04-25 |
Family
ID=32304033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03753202A Expired - Lifetime EP1558972B1 (en) | 2002-11-06 | 2003-10-24 | Device for coupling a pinion |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1558972B1 (en) |
| AT (1) | ATE360840T1 (en) |
| AU (1) | AU2003271493A1 (en) |
| DE (1) | DE60313483T2 (en) |
| WO (1) | WO2004042478A2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3111002A (en) * | 1960-02-11 | 1963-11-19 | Paul L Glocker | Setting mechanism for watch movements |
| JPH05232252A (en) * | 1992-02-20 | 1993-09-07 | Casio Comput Co Ltd | Time correction mechanism |
| KR19990088020A (en) * | 1998-05-13 | 1999-12-27 | 에따 쏘시에떼 아노님 파브리끄 데보슈 | Push button device for a timepiece in particular a chronograph |
| JP5025855B2 (en) * | 2001-04-27 | 2012-09-12 | セイコーインスツル株式会社 | Arm portable equipment |
-
2003
- 2003-10-24 AT AT03753202T patent/ATE360840T1/en not_active IP Right Cessation
- 2003-10-24 DE DE60313483T patent/DE60313483T2/en not_active Expired - Lifetime
- 2003-10-24 AU AU2003271493A patent/AU2003271493A1/en not_active Abandoned
- 2003-10-24 WO PCT/CH2003/000698 patent/WO2004042478A2/en active IP Right Grant
- 2003-10-24 EP EP03753202A patent/EP1558972B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE360840T1 (en) | 2007-05-15 |
| AU2003271493A8 (en) | 2004-06-07 |
| EP1558972A2 (en) | 2005-08-03 |
| WO2004042478A3 (en) | 2004-09-02 |
| DE60313483T2 (en) | 2008-01-03 |
| AU2003271493A1 (en) | 2004-06-07 |
| DE60313483D1 (en) | 2007-06-06 |
| WO2004042478A2 (en) | 2004-05-21 |
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