EP1461667B1 - Mechanically driven timepiece associated with a chronograph - Google Patents
Mechanically driven timepiece associated with a chronograph Download PDFInfo
- Publication number
- EP1461667B1 EP1461667B1 EP02769838A EP02769838A EP1461667B1 EP 1461667 B1 EP1461667 B1 EP 1461667B1 EP 02769838 A EP02769838 A EP 02769838A EP 02769838 A EP02769838 A EP 02769838A EP 1461667 B1 EP1461667 B1 EP 1461667B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- clutch
- chronograph
- timepiece
- movement
- 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
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
- G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
- G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
- G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
Definitions
- the present invention relates to a mechanically driven timepiece associated with a chronograph mechanism, comprising a column wheel for controlling flip-flops, in particular a clutch rocker carrying a clutch mobile between the work-piece cogwheel timepiece and the chronograph wheel, the pivot axis of the clutch rocker being substantially coaxial with that of a drive wheel integral with the axis of a wheel of said work train.
- the purpose of the present is precisely to provide a solution to the aforementioned problems.
- the subject of the present invention is a mechanically driven timepiece associated with a chronograph mechanism, as defined by claim 1.
- the non-circular shape watch movement illustrated by the figure 1 shows in particular a chronograph mechanism, a control lever 1 pivotally mounted around a screw 1a screwed into the barrel bridge B and one end 1b is intended to be connected to a single pusher (not shown) coaxial with the winding stem T.
- a single pusher not shown
- the end 1b of the flip-flop 1 could also be in front of "2 hours”.
- the other end of this control lever 1 terminates in a pawl 2 engaged with ratchet teeth 4a ( figure 3 ) a column wheel 4.
- a return spring r 1 tends to return the control lever 1 in a rest position illustrated in figure 1 against a stop 1d working with the edge of an oval opening 1c, thus defining two limit positions.
- Another return spring r 2 tends to keep the pawl 2 constantly in engagement with the ratchet toothing 4a.
- This column wheel 4 is selectively in direct contact with all the latches of the chronograph mechanism.
- One of these rockers is the rocker 5 of the reset hammers carrying two hammers 5a, 5b and pivoted about an axis 5c integral with the barrel bridge B.
- This rocker 5 is engaged with a return spring r 5 which constantly presses it towards the column wheel 4.
- Another rocker is a brake 6 constantly pushed against the column wheel 4 by an elastic arm 6a stamped with the brake 6 and bearing against a stop 6c.
- This brake 6 is pivotally mounted around a screw 6b screwed into the barrel bridge B.
- a third flip-flop is the clutch rocker 10 which has a semicircular movable pivoting opening 10a pivotally mounted around a circular surface 14a. of a pivoting plate 14, itself pivotally mounted around a screw 14b screwed into a bridge S of the seconds wheel 15a ( figure 11 ).
- the angular position of this pivoting plate 14 is adjustable around the axis of this screw 14b by means of an eccentric 13.
- the semicircular movable pivoting opening 10a has a bearing surface that opens onto the upper face of the rocker 10. This bearing serves to hold the rocker 10 between the second bridge S and a bearing surface surrounding the circular surface 14b of the plate of pivoting 14, opening on the lower face of this pivoting plate 14 and fitting on the complementary bearing surface of the semi-circular mobile pivoting opening 10a of the rocker 10.
- the clutch rocker 10 comprises two upper 10s and lower 10i parts assembled by a screw 10v ( figure 11 ) between which a clutch wheel 16 is pivotally mounted. This clutch wheel 16 is constantly engaged with a driving wheel 15 integral with the axis of the seconds wheel 15a.
- the seconds bridge S is higher than the deck of the finishing train R.
- the difference in height is chosen so as to allow the driving wheel 15 and the clutch rocker 10 to pass over the bridge of the cog.
- a return spring r 10 ( figure 1 ) pushes the clutch rocker 10 clockwise around the circular pivoting surface 14, so that the end of this clutch rocker 10 is constantly in contact with the column wheel 4.
- a last flip-flop, said inter-meter flip-flop 21 is pivotally mounted around a screw 21a.
- a return spring r 21 pushes this latch 21 clockwise and presses one of its ends against the column wheel 4 (FIG. figure 3 ).
- the other end of this rocker 21 carries an intermediate wheel 18 of the minute counter which is constantly engaged with a wheel 8 of the minute counter whose pivot axis 8a ( figure 10 ) crosses the entire movement to exit the dial side of the movement to carry a needle (not shown) of the minute counter.
- This wheel 8 of the minute counter again carries a heart-shaped cam 9 ( figure 3 ) intended to cooperate with the arm 5a of the reset hammer 5 during the resetting of the minute counter.
- a chronograph wheel 19 is further pivoted at the center of the movement and its axis traverses the entire movement to exit the dial side of the movement to carry a needle (not shown) of the seconds counter.
- This chronograph wheel 19 carries a drive finger 17 of the intermediate wheel 18 of the minute counter ( figures 5 and 9 ) driving the wheel 8 of this counter every rotation, that is to say once a minute.
- This chronograph wheel also carries a heart-shaped reset cam 20 ( figure 3 ) intended to cooperate with the arm 5b of the reset hammer 5.
- a jumper spring 3 is engaged with the ratchet toothing 4a of the column wheel and a jumper spring 7 is engaged with the wheel 8 of the minute counter.
- the penetration of the clutch wheel 16 carried by the clutch rocker 10 is adjustable by means of an abutment 11 constituted by an eccentric, serving to limit the pivoting of the clutch rocker 10 in the clockwise direction. a watch, thus making it possible to adjust the penetration of the gearing of the clutch wheel into that of the chronograph wheel 19.
- Another eccentric stop 12 serves to limit the pivoting of the intermediate lever 21 in the direction of clockwise and consequently the penetration of the drive finger 17 into the toothing of the intermediate wheel 18.
- the figure 2 shows the workings of the watch movement.
- this movement comprises an additional mobile 24 between the toothing of the barrel 22 containing the mainspring (not shown) and the pinion 23a of the center wheel 23.
- This additional mobile 24 increases the reduction between the barrel 22 and the center wheel 23, so that the barrel 22 rotates more slowly than in a classic movement, which increases the power reserve of the watch from about two days for a classic watch to about ten days in this case, 8 days useful.
- the gearing of the power reserve indicator is essentially on the dial side of the movement ( Figures 13 and 14 ).
- this train comprises a reference 37 engaged on the one hand with the ratchet 36 of the barrel 22 and on the other hand with a differential wheel 38, whose shaft 38a traverses the movement and comprises a square 38b engaged with a reference 31 meshing with a satellite 32 pivotally mounted on a rod 30a of a ring 30 carrying the differential.
- This ring 30 is engaged with a return 29 which meshes with a pinion 28a of a wheel 28 coaxial with the barrel 22 and which is in kinematic connection with the barrel 22 by means of a double pinion 39 meshing simultaneously with the toothing of the barrel 22 and that of the wheel 28.
- the pinion 32a of the satellite 32 meshes with an intermediate wheel 33 which meshes with a drive wheel 34 whose pinion 34a meshes with a toothed sector 35 carrying the power reserve indicator (not shown) which moves at an angle of 90 ° for example, between the arming and disarming of the mainspring contained in the barrel 22.
- the figure 13 indicates with arrows the respective directions of rotation of the various mobiles of the power reserve indicator gear during the winding phase of the mainspring.
- the mobiles without arrows correspond to those which are fixed, that is to say the barrel 22, the double pinion 39, the coaxial wheel 28 to the barrel 22, the return 29 and the differential ring 30.
- the figure 14 indicates with arrows the respective directions of rotation of the mobile power indicator wheel reserve during the disarming phase of the mainspring.
- the mobiles that remain motionless during this phase do not have arrows, it is the ratchet 36, the reference 37, the differential wheel 38 and the satellite driver gear 31 integral with the differential wheel 38.
- the Figures 3 to 8 show the only chronograph mechanism during the different phases of a complete cycle of operation.
- the figure 3 shows this mechanism reset.
- the arrows indicate which organs are moving and the respective directions of movement. All the mechanism members are idle with the exception of the drive wheel 15 and the clutch wheel 16 which are kinematically connected to the wheel 22-27 of the movement of the watch.
- the figure 4 illustrates the start-up phase of the chronograph mechanism.
- the arrows show which organs are moving and their respective directions of movement.
- This start-up is controlled by the rocker 1 following a pressure exerted on its end adjacent to the winding rod T ( figure 1 ).
- This pressure rotates the column wheel 4 by 20 ° in a clockwise direction and this rotation causes the rocker 5 to move in the direction of the arrows and the hammers 5a, 5b to be released, as well as the movement of the hammers.
- clutch rockers 10 and inter counter 21 in the respective directions of the arrows.
- the figure 5 shows the chronograph running.
- the levers engaged with the columns of the column wheel 4 are in the same positions as before, and all the wheels of the chronograph mechanism are moving in the respective directions indicated by the arrows.
- the control rocker 1 is returned to the rest position.
- Regarding the intermediate wheel 18 and the minute counter wheel 8 they are driven step by step by the finger 17 of the chronograph wheel 19, once per revolution of this wheel 19, that is to say one times per minute.
- the figure 7 shows the chronograph stopped, that is to say that compared to the figure 6 , the pressure lever 1 has been no longer pressed, so that it has returned to the rest position under the pressure of the return spring r 1 , thereby putting the pawl 2 in the ready position to actuate the wheel. columns of a new step of 20 °. In this position, the brake 6 holds the chronograph wheel 19 in the position in which the chronograph mechanism has been stopped, allowing the reading of the time measured by this mechanism between its start and stop.
- the last function is to reset the hands of the seconds and minutes counter. It is illustrated by the figure 8 in which we see that the hammer 5 is pushed against the cams in hearts 9 and 20. Simultaneously, the brake 6 releases the chronograph wheel 19, the latch 21 releases the finger 17, thus allowing the reset of the hands of the counters of minutes and seconds.
- the figure 3 shows the respective positions of the chronograph mechanism of organs after reset, once the control lever 1 has been brought in the rest position by the return spring r 1.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
La présente invention se rapporte à une pièce d'horlogerie entraînée mécaniquement associée à un mécanisme de chronographe, comprenant une roue à colonnes pour commander des bascules, notamment une bascule d'embrayage portant un mobile d'embrayage entre le rouage de finissage de la pièce d'horlogerie et le rouage de chronographe, l'axe de pivotement de cette bascule d'embrayage étant sensiblement coaxial à celui d'une roue d'entraînement solidaire de l'axe d'une roue dudit rouage de finissage.The present invention relates to a mechanically driven timepiece associated with a chronograph mechanism, comprising a column wheel for controlling flip-flops, in particular a clutch rocker carrying a clutch mobile between the work-piece cogwheel timepiece and the chronograph wheel, the pivot axis of the clutch rocker being substantially coaxial with that of a drive wheel integral with the axis of a wheel of said work train.
Les mécanismes de chronographes dans lesquels la liaison entre le rouage de finissage du mouvement d'horlogerie et celui du mécanisme de chronographe est obtenue par le déplacement d'une roue d'embrayage portée par une bascule dans son plan est connu. Ce type de solution est généralement utilisé dans le cas où le mécanisme de chronographe forme un module distinct porté par une platine rapportée sur le mouvement d'horlogerie. Ce type de liaison présente l'avantage que le mécanisme de chronographe n'interfère pas avec le mouvement d'horlogerie. C'est la raison pour laquelle il peut exister d'autres applications dans lesquelles cette conception est avantageuse. C'est le cas en particulier lorsque la place disponible est particulièrement réduite.Chronograph mechanisms in which the connection between the finishing gear of the watch movement and that of the chronograph mechanism is obtained by moving a clutch wheel carried by a rocker in its plane is known. This type of solution is generally used in the case where the chronograph mechanism forms a separate module carried by a plate reported on the watch movement. This type of connection has the advantage that the chronograph mechanism does not interfere with the watch movement. This is the reason why there may be other applications in which this design is advantageous. This is particularly the case when the space available is particularly small.
Par contre, la présence d'un module distinct pour le mécanisme de chronographe est toujours un facteur augmentant la hauteur du mouvement étant donné que l'épaisseur de la platine qui le porte s'ajoute à celle des ponts.On the other hand, the presence of a separate module for the chronograph mechanism is always a factor increasing the height of the movement since the thickness of the plate that carries it adds to that of the bridges.
Un autre problème posé par ce type de liaison vient du fait que la bascule qui porte la roue d'embrayage du chronographe doit tourner autour d'un axe concentrique à l'axe de la roue d'entraînement normalement solidaire de l'axe de la roue de secondes du rouage de finissage. Si ce problème peut être résolu de manière assez évidente dans le cas où le mécanisme de chronographe est porté par un module indépendant, le problème devient relativement complexe avec un mécanisme de chronographe intégré au mouvement d'horlogerie.Another problem posed by this type of connection is that the rocker carrying the chronograph clutch wheel must turn about an axis concentric with the axis of rotation. the drive wheel normally secured to the axis of the second wheel of the finishing gear. If this problem can be solved quite obviously in the case where the chronograph mechanism is carried by an independent module, the problem becomes relatively complex with a chronograph mechanism integrated with the watch movement.
Ce problème est encore accru dans le cas où le mouvement de la montre est un mouvement à huit jours de réserve de marche, ce qui nécessite un mobile supplémentaire entre le barillet et la roue de centre. Or un tel mouvement rend un indicateur de réserve de marche pratiquement indispensable, l'utilisateur, avec une réserve de marche aussi longue, pouvant difficilement se souvenir quand il a remonté sa montre pour la dernière fois. Si, en plus de ces difficultés, on se propose d'associer ces mécanismes à un mouvement de forme non circulaire, réduisant ainsi la place disponible d'environ 10% à 15%, la complexité du problème posé est évidente.This problem is further increased in the case where the movement of the watch is a movement to eight days of power reserve, which requires an additional mobile between the barrel and the center wheel. But such a movement makes a power reserve indicator almost indispensable, the user, with such a long power reserve, can hardly remember when he reassembled his watch for the last time. If, in addition to these difficulties, it is proposed to associate these mechanisms with a non-circular shape movement, thus reducing the available space by about 10% to 15%, the complexity of the problem posed is obvious.
Le but de la présente est précisément d'apporter une solution aux problèmes susmentionnés.The purpose of the present is precisely to provide a solution to the aforementioned problems.
A cet effet, la présente invention a pour objet une pièce d'horlogerie entraînée mécaniquement associée à un mécanisme de chronographe, tel que définie par la revendication 1.For this purpose, the subject of the present invention is a mechanically driven timepiece associated with a chronograph mechanism, as defined by
Cette solution présente de nombreux avantages, notamment celui d'avoir deux mécanismes distincts, celui d'horlogerie et celui de chronographe, tout en permettant une intégration de ce dernier mécanisme au mécanisme d'horlogerie, conduisant à une utilisation particulièrement judicieuse de l'espace disponible aussi bien en surface qu'en hauteur.This solution has many advantages, in particular that of having two distinct mechanisms, that of clock and chronograph, while allowing an integration of the latter mechanism to the clockwork mechanism, leading to a particularly judicious use of space available both surface and height.
Différents perfectionnement de l'objet de l'invention ainsi que les avantages qui en découlent apparaîtront au fur et à mesure de la description qui va suivre.Different refinement of the object of the invention as well as the advantages which result therefrom will become apparent as the description which follows.
Le dessin annexé illustre, schématiquement et à titre d'exemple, une forme d'exécution ainsi que différents perfectionnement de la pièce d'horlogerie objet de la présente invention.
- La
figure 1 est une vue en plan côté ponts du mouvement de cette pièce d'horlogerie; - la
figure 2 est une vue semblable à lafigure 1 avec arrachement partiel pour montrer le rouage du mouvement de montre; - la
figure 3 est une vue du seul mécanisme de chronographe en position de repos; - la
figure 4 est une vue semblable à lafigure 3 montrant le mécanisme lors de la mise en marche; - la
figure 5 est une vue semblable à lafigure 3 du mécanisme en marche; - la
figure 6 est une vue semblable à lafigure 3 du mécanisme lors de la mise en arrêt; - la
figure 7 est une vue semblable à lafigure 3 du mécanisme arrêté; - la
figure 8 est une vue semblable à lafigure 3 du mécanisme lors de la remise à zéro; - la
figure 9 est une vue en coupe partielle selon la ligne IX-IX de lafigure 1 ; - la
figure 10 est une vue en coupe partielle selon la ligne X-X de lafigure 1 ; - la
figure 11 est une vue en coupe partielle selon la ligne XI-XI de lafigure 1 ; - la
figure 12 est une vue en coupe partielle selon la ligne XII-XII de lafigure 1 ; - les
figures 13 et 14 sont des schémas du rouage indicateur de réserve de marche pendant l'armage, respectivement pendant le désarmage du ressort moteur.
- The
figure 1 is a bridge side plan view of the movement of this timepiece; - the
figure 2 is a view similar to thefigure 1 with partial tearing to show the workings of the watch movement; - the
figure 3 is a view of the only chronograph mechanism in the rest position; - the
figure 4 is a view similar to thefigure 3 showing the mechanism at start-up; - the
figure 5 is a view similar to thefigure 3 the mechanism running; - the
figure 6 is a view similar to thefigure 3 the mechanism during shutdown; - the
figure 7 is a view similar to thefigure 3 the stopped mechanism; - the
figure 8 is a view similar to thefigure 3 the mechanism when resetting; - the
figure 9 is a partial sectional view along line IX-IX of thefigure 1 ; - the
figure 10 is a partial sectional view along line XX of thefigure 1 ; - the
figure 11 is a partial sectional view along the line XI-XI of thefigure 1 ; - the
figure 12 is a partial sectional view along the line XII-XII of thefigure 1 ; - the
Figures 13 and 14 are diagrams of the power reserve indicator gear during winding, respectively during disarming of the mainspring.
Le mouvement de montre de forme non circulaire illustré par la
Un ressort de rappel r1 tend à ramener la bascule de commande 1 dans une position de repos illustrée par la
Cette roue à colonnes 4 est sélectivement en prise directe avec l'ensemble des bascules du mécanisme de chronographe. L'une de ces bascules est la bascule 5 des marteaux de remise à zéro portant deux marteaux 5a, 5b et pivotée autour d'un axe 5c solidaire du pont de barillet B. Cette bascule 5 est en prise avec un ressort de rappel r5 qui la presse constamment en direction de la roue à colonnes 4.This
Une autre bascule constitue un frein 6 poussé constamment contre la roue à colonnes 4 par un bras élastique 6a venu d'étampage avec le frein 6 et prenant appui contre une butée 6c. Ce frein 6 est monté pivotant autour d'une vis à portée 6b vissée dans le pont de barillet B.Another rocker is a
Une troisième bascule est la bascule d'embrayage 10 qui présente une ouverture de pivotement mobile semi-circulaire 10a montée pivotante autour d'une surface circulaire 14a d'une plaquette de pivotement 14, elle-même montée pivotante autour d'une vis 14b vissée dans un pont S de la roue de secondes 15a (
Comme on peut le constater sur la coupe de la
La bascule d'embrayage 10 comporte deux parties supérieure 10s et inférieure 10i assemblées par une vis 10v (
Comme on le voit sur la
Un ressort de rappel r10 (
Une dernière bascule, dite bascule inter compteurs 21 est montée pivotante autour d'une vis à portée 21a. Un ressort de rappel r21 pousse cette bascule 21 dans le sens des aiguilles de la montre et presse une de ses extrémités contre la roue à colonnes 4 (
Une roue de chronographe 19 est encore pivotée au centre du mouvement et son axe traverse tout le mouvement pour sortir du côté cadran du mouvement pour porter une aiguille (non représentée) du compteur des secondes. Cette roue de chronographe 19 porte un doigt d'entraînement 17 de la roue intermédiaire 18 du compteur des minutes (
Un ressort sautoir 3 est en prise avec la denture à rochet 4a de la roue à colonnes et un ressort sautoir 7 est en prise avec la roue 8 du compteur des minutes.A
La pénétration de la roue d'embrayage 16 portée par la bascule d'embrayage 10 est réglable au moyen d'une butée 11 constituée par un excentrique, servant à limiter le pivotement de la bascule d'embrayage 10 dans le sens des aiguilles d'une montre, permettant ainsi de régler la pénétration de la denture de la roue d'embrayage dans celle de la roue de chronographe 19.The penetration of the
Une autre butée excentrique 12 sert à limiter le pivotement de la bascule intermédiaire 21 dans le sens des aiguilles d'une montre et par conséquent la pénétration du doigt d'entraînement 17 dans la denture de la roue intermédiaire 18.Another
La
Outre les roues habituelles que l'on retrouve dans tous les mouvements d'horlogerie mécaniques, à savoir, les roues de centre 23 de moyenne 25 de seconde 26 et d'échappement 27, ce mouvement comporte un mobile supplémentaire 24 entre la denture du barillet 22 renfermant le ressort moteur (non représenté) et le pignon 23a de la roue de centre 23. Ce mobile supplémentaire 24 augmente la démultiplication entre le barillet 22 et la roue de centre 23, de sorte que le barillet 22 tourne plus lentement que dans un mouvement classique, ce qui permet d'augmenter la réserve de marche de la montre d'environ deux jours pour une montre classique à environ dix jours dans ce cas, soit 8 jours utiles.The
In addition to the usual wheels found in all mechanical watch movements, namely,
Etant donné l'importance de la réserve de marche, il est utile d'avoir un indicateur de réserve de marche pour que l'utilisateur sache quand il doit remonter sa montre. Le rouage de l'indicateur de réserve de marche se trouve essentiellement du côté cadran du mouvement (
Le pignon 32a du satellite 32 engrène avec une roue intermédiaire 33 qui engrène avec une roue d'entraînement 34 dont le pignon 34a engrène avec un secteur denté 35 portant l'indicateur de réserve de marche (non représenté) qui se déplace sur un angle de 90° par exemple, entre l'armage et le désarmage du ressort moteur contenu dans le barillet 22.The
La
La
Les
La
La
Le passage de la phase de la
La
La dernière fonction consiste à remettre à zéro les aiguilles du compteur de secondes et de celui des minutes. Elle est illustrée par la
La
Claims (8)
- Mechanically driven timepiece associated with a chronograph mechanism comprising a column wheel (4) for the control of rockers, particularly a clutch rocker (10) carrying a clutch wheel unit (16) between the going train of the timepiece and the chronograph train, the pivot axis of this clutch rocker (10) being approximately coaxial with that of a drive wheel (15) mounted on the arbor of a wheel belonging to said going train, said timepiece being characterized in that the bridges of said going train are used for mounting the members of said chronograph mechanism and in that said clutch rocker (10) has a movable pivot surface (10a) within a concentric bearing surface which is open on its upper face and is linked to a mating pivot surface (14a) integral with a bridge (S) belonging to the going train and approximately coaxial with the arbor of the seconds wheel, this mating pivot surface (14a) being within a concentric bearing surface which is open on its lower face, which mates with the bearing surface of said movable pivot surface (10a) and is used to keep said clutch rocker (10) on said going train bridge (S).
- Timepiece according to Claim 1, in which said going train bridge (S) integral with said mating pivot surface (14a) is higher than the adjacent going train bridge (R), the height difference being selected to allow said drive wheel (15) and said clutch wheel (16) carried by said clutch rocker (10) to extend over said adjacent going train bridge (R).
- Timepiece according to one of the preceding claims, in which said movable pivot surface (10a) of said clutch rocker (10) is integral with a member capable of angular adjustment about an axis situated on a straight line connecting it to the axis of said drive wheel (15) and forming an angle of < 180° with respect to the straight line joining the axes of said drive wheel (15) and said clutch wheel unit (16), in such a way as to allow the penetration between the teeth of said drive wheel (15) and said clutch wheel unit (16) to be adjusted.
- Timepiece according to one of the preceding claims, in which all of the rockers (5, 6, 10, 21) of said chronograph mechanism mesh directly with said column wheel (4) under the pressure of elastic return elements, in such a way that all of the movements of said rockers (5, 6, 10, 21) are the result of the step-by-step movement of said column wheel (4) operated by a single-control pusher (1).
- Timepiece according to one of the preceding claims, in which all of the movable members which go to make up said chronograph mechanism lie above the movable members of the movement of said timepiece.
- Timepiece according to one of the preceding claims, having a wristwatch movement of noncircular shape.
- Timepiece according to one of the preceding claims comprising a going train having a supplementary speed-reducing wheel unit (24) between the centre wheel (23) and the going barrel (22) to allow said barrel (22) to contain a drive spring capable of storing roughly ten days' reserve-power.
- Timepiece according to Claim 7, in which the horological movement is provided with a reserve-power indicator mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02769838A EP1461667B1 (en) | 2001-11-09 | 2002-11-06 | Mechanically driven timepiece associated with a chronograph |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01811078A EP1310840A1 (en) | 2001-11-09 | 2001-11-09 | Mechanically driven time piece associated with a chronograph |
EP01811078 | 2001-11-09 | ||
PCT/CH2002/000597 WO2003040834A2 (en) | 2001-11-09 | 2002-11-06 | Mechanically driven timepiece component associated with a chronograph |
EP02769838A EP1461667B1 (en) | 2001-11-09 | 2002-11-06 | Mechanically driven timepiece associated with a chronograph |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1461667A2 EP1461667A2 (en) | 2004-09-29 |
EP1461667B1 true EP1461667B1 (en) | 2010-01-06 |
Family
ID=8184230
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01811078A Withdrawn EP1310840A1 (en) | 2001-11-09 | 2001-11-09 | Mechanically driven time piece associated with a chronograph |
EP02769838A Expired - Lifetime EP1461667B1 (en) | 2001-11-09 | 2002-11-06 | Mechanically driven timepiece associated with a chronograph |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01811078A Withdrawn EP1310840A1 (en) | 2001-11-09 | 2001-11-09 | Mechanically driven time piece associated with a chronograph |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP1310840A1 (en) |
AT (1) | ATE454653T1 (en) |
AU (1) | AU2002336025A1 (en) |
DE (1) | DE60235042D1 (en) |
WO (1) | WO2003040834A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH698758B1 (en) * | 2005-11-07 | 2009-10-15 | Maurice Lacroix Sa | chronograph movement. |
EP2503408B1 (en) | 2011-03-22 | 2014-10-15 | De Grisogono S.A. | Control device for clock movement |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR671111A (en) * | 1929-03-08 | 1929-12-09 | Mathias Et Edmond Ulmann | Chronograph. - simplified counter |
-
2001
- 2001-11-09 EP EP01811078A patent/EP1310840A1/en not_active Withdrawn
-
2002
- 2002-11-06 WO PCT/CH2002/000597 patent/WO2003040834A2/en not_active Application Discontinuation
- 2002-11-06 EP EP02769838A patent/EP1461667B1/en not_active Expired - Lifetime
- 2002-11-06 AT AT02769838T patent/ATE454653T1/en not_active IP Right Cessation
- 2002-11-06 DE DE60235042T patent/DE60235042D1/en not_active Expired - Lifetime
- 2002-11-06 AU AU2002336025A patent/AU2002336025A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE60235042D1 (en) | 2010-02-25 |
ATE454653T1 (en) | 2010-01-15 |
WO2003040834A3 (en) | 2004-05-13 |
AU2002336025A1 (en) | 2003-05-19 |
WO2003040834A2 (en) | 2003-05-15 |
EP1461667A2 (en) | 2004-09-29 |
EP1310840A1 (en) | 2003-05-14 |
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