EP3800512A1 - Device for on-demand display for a clock piece - Google Patents
Device for on-demand display for a clock piece Download PDFInfo
- Publication number
- EP3800512A1 EP3800512A1 EP19201122.9A EP19201122A EP3800512A1 EP 3800512 A1 EP3800512 A1 EP 3800512A1 EP 19201122 A EP19201122 A EP 19201122A EP 3800512 A1 EP3800512 A1 EP 3800512A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stop lever
- lever
- rake
- display member
- display
- 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
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims 1
- 241000237858 Gastropoda Species 0.000 description 8
- 210000003323 beak Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained 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
- G04B19/00—Indicating the time by visual means
- G04B19/02—Back-gearing arrangements between gear train and hands
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/08—Geometrical arrangement of the graduations
- G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
Definitions
- the invention relates to an on-demand display device for a timepiece comprising a cam arranged to be driven by the movement of the timepiece, a retrograde display member, a pinion kinematically connected to the clock member. 'display, a rake arranged to mesh with the pinion so as to control the display member, resilient means arranged to bias the rake and the display member in the direction of a rest position, and a mechanism to manual control comprising a pusher and arranged to control the rake so as to allow the display member to be brought into an indication position from the rest position, the indication position being determined by the current position of drug.
- the patent document EP 1 936 448 in particular describes a watch equipped with a device for displaying the hours and minutes on demand.
- the hour and minute hands of this watch have the particularity of remaining stationary opposite the 12 o'clock indication on the dial, as long as the display device has not been activated.
- the wearer of the watch can cause the hours and minutes to be displayed at any time by pressing a push-piece located on the left of the watch case.
- the hour display and the minute display are implemented in parallel using two quite similar mechanisms. The latter each have a snail-shaped cam. These two cams are driven from the ground of the movement respectively at the speed of one revolution in 12 hours and one revolution per hour.
- the two display mechanisms also include two coaxial pinions arranged in the center of the movement and which respectively carry the hour hand and the minute hand. They are also connected to means of recall arranged so that each of the hands is biased towards its indicating position.
- the two display mechanisms each include a rake arranged in engagement with the coaxial pinion of the mechanism, so that the needles are slaved to the rakes.
- the latter also each comprise a feeler arranged to cooperate with the profile of the cam in the form of a snail. It will therefore be understood that, when the display device is actuated, the positions in which the hands are respectively placed are determined by the current positions of the cams. It will also be understood that, as the rakes are connected to the return means via the needles, the return means also have the effect of lowering the feelers of the rakes against the two snail-shaped cams.
- Each of the actuation mechanisms further comprises an actuation lever controlled by the pusher.
- Each actuating lever is under the influence of a powerful return spring which is arranged to push it back in the direction of the rake, as long as the pusher is not actuated.
- the pressure of the actuating levers maintains the rakes in their retracted angular positions, in which the feelers are separated from the snail-shaped cams and the hands positioned at 12 o'clock on the dial.
- the wearer of the watch actuates the pusher, it causes the two actuating levers to tilt, so that the rakes are free to pivot, and their feelers are lowered against the profiles of the snail-shaped cams.
- the snail-shaped cams are dimensioned so that the hour and minute hands come to rest in positions indicating the current hour and the current minute respectively when the rakes are in the active position. Finally, as soon as the pressure on the pusher is released, the actuating levers return to their initial position, which forces the rakes to pivot again by regaining their retracted angular positions.
- the time display is controlled strictly manually.
- the two mechanisms in fact require the hands to accompany the movements of the pusher without any delay and without any fancy.
- the wearer of the watch exerts pressure on the pusher, he brings the hands into a position indicating the current time.
- the current time remains displayed as long as the wearer of the watch keeps the push-button pressed.
- the push-piece returns to its rest position, while the hands come back to stop at 12 o'clock on the dial. It may be thought that the display of the time on demand would be visually more interesting if the manually-operated mechanism were designed to automatically make the hands take some detour when they are actuated with the aid of the pusher.
- An aim of the present invention is to remedy the drawbacks of the prior art which have just been explained.
- the present invention achieves this and other object by providing an on-demand display device which is in accordance with the appended claim 1.
- the manually operated mechanism is arranged for, on the one hand, when the pusher is actuated, causing a displacement of the display member against the elastic means from the rest position to a predefined position, and on the other hand, when the pusher is then released, allow the elastic means to push the display member from the predefined position towards the rest position.
- the display unit begins by moving from the rest position to the predefined position, then starts again in the opposite direction, before finally stopping in the indication position. It will be understood that the additional movement associated with the indirect path followed by the display member constitutes a form animation capable of attracting the eye to the display member of the timepiece.
- the on-demand display device comprises a stop latch which is movable between a retracted position and an active position in which it cooperates with the cam, so that its active position is determined by the position current of the cam.
- the stop lever when the stop lever is in the active position, it is arranged to interrupt the stroke of the rake when the display member returns from its predefined position towards its rest position, so that the member of The display stops in its indication position.
- the indication position is therefore determined by the active position of the stop latch, this active position itself being determined by the current position of the cam. It will also be understood that the indication position of the display member is an intermediate position which is situated between the two extreme positions constituted by the predefined position and the rest position.
- the display device further comprises timing means arranged to switch the stop latch to the retracted position so as to release the display member, so as to allow the return spring to release it. pushing back from the indication position to the rest position at a determined instant after the wearer of the timepiece has released the pusher. It will be understood that the presence of the timing means allows the display member to remain in the indication position for a certain time even though the wearer has already released the pusher.
- the figures 1 to 6 are six plan views schematically showing the same device for displaying the time on demand, at six successive instants during its operation.
- the display device shown is in accordance with an exemplary embodiment of the invention, and it is intended to be integrated into a wristwatch (not shown).
- the on-demand display device shown comprises a retrograde hand 5 which is arranged to cooperate with a scale graduated from 1 to 12 to indicate the hours (the scale is generally referenced 7).
- the figures also show a cam 3 in the form of a twelve-step spiral staircase, which is arranged to be driven by the movement (not shown) of the timepiece at the rate of one revolution in twelve hours.
- a lever with three arms 9 which is part of a manually operated mechanism which also includes a pusher (not shown).
- the lever 9 is pivotally mounted on an axis 10, so as to be able to selectively occupy an active position ( figure 2 ) when the wearer of the watch presses the push-piece, and a rest position ( figures 1 and 3 to 6 ) when the wearer releases the pusher.
- a return spring (referenced a) is also provided to urge the lever 9 towards its rest position.
- a rake 11 which is arranged to pivot about an axis 12 and which is kinematically connected to the retrograde needle 5 by means of a cog formed by a first toothed mobile 15, of a intermediate mobile comprising a wheel 19 and a pinion 21, and finally a wheel 13 which carries the needle 5 in the coaxial position.
- the rake 11 also comprises a control arm 17 which is arranged to cooperate with one of the three arms of the lever 9 so that the rake 11 is caused to pivot counterclockwise when the wearer of the lever. watch activates the push-button (not shown).
- the figures also show a stop lever 23 which is mounted to pivot on an axis 24 and which comprises a first arm terminating in a nose (or feeler) 25 arranged to cooperate with the cam, or snail of the hours, 3 and a second arm 27 arranged to cooperate with the rake 11.
- the stop lever is arranged to pivot between a retracted position (illustrated in figures 1 and 6 ) in which the probe is kept away from the hour snail, and an active, or reading, position (illustrated in the figures 2 to 5 ) in which the feeler 25 cooperates with the snail 3.
- a locking lever 29 pivotally mounted on an axis 30, a locking lever 35 carrying a spout 37, and a release mobile 41 which has the shape of a disc provided with a finger 43.
- the unlocking mobile is arranged to be driven in rotation by the movement.
- the locking latch 29 is designed to selectively occupy a locked position (illustrated in the figures 1 and 6 ) and an unlocked position (shown in the figures 2 to 5 ). It comprises a beak 31 arranged to cooperate with the stop lever 23, so as to retain the stop lever 23 in its retracted position when the locking lever 29 is itself in the locked position. It can also be seen that the beak 37 of the locking lever 35 is biased towards the locking lever 29 by a spring e.
- the locking lever 29 further comprises a stopper 33 which is arranged to cooperate with the spout 37 of the locking lever 35 so as to retain the locking lever 29 in the unlocked position.
- the unlocking mobile 41 is designed to be driven at the speed of one revolution per minute (in the counterclockwise direction). Once per revolution, the finger 43 of the unlocking mobile pushes back the locking lever 25 so as to release the spout 37 from the stopper 33 of the locking lever.
- the device illustrated in the figures comprises a number of return springs which are only shown in the figure. figure 1 .
- the five springs illustrated (and referenced respectively a, b, c, d and e) are each represented by a pictogram schematically reproducing the shape of a leaf spring. It will be understood, however, that these springs are not necessarily of the leaf spring type, but can be of any type that a person skilled in the art deems appropriate.
- a first return spring referenced a (already mentioned) is arranged so as to urge the lever 9 with three arms in the counterclockwise direction so as to return it to its rest position against the pusher (not shown), that a second return spring, referenced b, is arranged so as to return the rake 11 clockwise, that a third return spring, referenced c, is arranged so as to return the rocker stop 23 clockwise in the direction of its reading position, that a fourth return spring, referenced d, is arranged so as to return the locking lever 29 clockwise in the direction of its locked position, and that a fifth return spring, referenced e (already mentioned), is arranged so as to return the beak 37 of the locking lever 35 in the direction of the locking lever 29.
- the operation of the on-demand display device illustrated will now be explained by referring successively to the various figures.
- the figure 1 illustrates the display device at rest.
- the pusher (not shown) is not actuated and the lever 9 with three arms is held in its rest position by the first return spring a.
- the lever 9 does not interact with the control arm 17 of the rake 11.
- the second return spring b keeps the rake 11 completely pivoted in the clockwise direction, and it is possible to see that the retrograde hand 5 is immobilized in an off-scale position which is located beyond the indication "12" corresponding to the maximum value of the scale 7 in the arc of a circle. It will be understood that this position which gives no time indication is the “rest” position of hand 5.
- the lever 9 does not interact with the locking lever 29 either. Under these conditions, the locking lever is maintained in its position. locked by the fourth return spring d. It can be seen that in the locked position, the beak 31 of the locking lever 29 retains the stop lever 23 in its retracted position, the feeler 25 then being held away from the hour snail 3. It will be specified that the return spring d is chosen to be more powerful than the return spring c, so that it has the force necessary to maintain the stop lever 23 in the retracted position.
- the manually operated mechanism is arranged to cause a displacement of the display member against the elastic means, from the rest position to a predefined position when the pusher (not shown) is actuated.
- the pusher (not shown) is actuated.
- the actuation of the pusher has caused the pivoting of the lever 9 with three arms in the clockwise direction against the spring a. While pivoting, one of the arms of the lever 9 has pushed the control arm 17 of the rake 11, so that the latter has pivoted counterclockwise (in other words, against the return spring b), and the retrograde hand 5 is now immobilized in an off-scale position which precedes the indication "1" corresponding to the minimum value of the fixed scale 7. It will be understood that this position which gives no time indication is the "predefined position" of the 'needle 5.
- the manually operated mechanism is arranged to allow the elastic means to push the display member back from the predefined position towards the rest position when the pusher (not shown) is released.
- the figure 3 illustrates the device for displaying the time on demand following the release of the push-button (not shown).
- the locking latch is retained in its unlocked position and the stop latch 23 is free to remain in the active position.
- the rake 11 has rotated clockwise under the impulse of the return spring b. By pivoting, the rake 11 has driven the retrograde needle 5 which has also rotated clockwise.
- the stop lever when the stop lever is in the active position, it is arranged to obstruct the travel of the rake when the display member returns from its predefined position towards its rest position, so that the display member is immobilized in the indication position, the indication position of the display member thus being determined by the active position of the stop rocker.
- the second arm 27 of the stop lever 23 which is arranged to be on the path of the rake 11 when the stop lever is in the active position. In other words, it is the second arm 27 which stops the pivoting of the rake 11 in the clockwise direction.
- the exact position in which the needle 5 comes to rest, when the rake 11 abuts against the second arm 27 of the stop lever 23, is determined by the inclination of the stop lever.
- the probe 25 is supported. against the profile of the 3 hour snail, so that it is the current position of the latter which determines the inclination of the stop lever.
- the ratio between the lengths of the arms of the stop lever 23, as well as the profile of the side of the rake 11, are chosen so that the indicating position in which the retrograde needle 5 comes to stop, when the rake 11 abuts against the second arm 27, corresponds well to the time to be displayed.
- the needle 5 then remains in its indicating position until the locking lever 35 is actuated so as to release the spout 37 from the stopper 33.
- the display device on demand further comprises timing means arranged to, at a determined instant after the wearer of the timepiece has released the push-button, switch the stop latch to retracted position so as to release the display member, so as to allow the elastic means to push the display member from the indication position to the rest position.
- the timing means comprise an unlocking mobile which is rotated by the movement. As shown by figures 4 to 6 , once per revolution of the unlocking mobile 41, the finger 43 pushes back the locking lever 35 so as to make it pivot about its axis 39 against the fifth return spring e. This movement has the effect of releasing the spout 37 from the stopper 33. The figure 4 shows finger 43 as it comes into contact with locking lever 35.
- the figure 5 shows the situation a few seconds later. It can be seen that by turning, the finger 43 has forced the locking lever 35 to tilt, so that its beak 37 is now released from the stopper 33 of the locking lever 29, the latter now being free to pivot. . It will be understood, however, that at the instant illustrated in the figure 5 , the return spring d has not yet had time to bring the lever 29 to the locked position.
- the figure 6 illustrates the display device a moment later. It can be seen that the locking lever 29 has rotated clockwise under the action spring d and thus passed into the locked position. The pivoting of the locking latch drove the spout 31 raised the stop latch 23, so that the latter pivoted counterclockwise against the return spring c. In accordance with what has already been explained in relation to the figure 1 , the beak 31 now retains the stop lever 23 in its retracted position, and the feeler 25 is therefore away from the hours snail 3. The passage of the stop lever 23 in the retracted position, also led to its second arm 27 to move away from the path of rake 11 which is now free to pivot. We have seen that the retrograde needle 5 were kinematically connected to the rake by means of a cog. Under these conditions, the rake 11 and the retrograde needle 5 no longer being blocked in the indicating position, the retrograde needle 5 has returned to the rest position under the action of the second return spring b.
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Abstract
Le dispositif d'affichage à la demande pour pièce d'horlogerie comporte une came (3) agencée pour être entraînée par le mouvement de la pièce d'horlogerie, un organe d'affichage rétrograde (5), un pignon (15) relié cinématiquement à l'organe d'affichage, un râteau (11) agencé pour engrener avec le pignon de manière à commander l'organe d'affichage, des moyens élastiques (b) agencé pour rappeler le râteau (11) et l'organe d'affichage (5) en direction d'une position de repos (figures 1 et 6), et un mécanisme à commande manuelle (9) comportant un poussoir et agencé pour provoquer un déplacement de l'organe d'affichage (5) de la position de repos jusqu'à une position prédéfinie (figure 2) lorsque le poussoir est actionné, et pour permettre au moyens élastiques de repousser l'organe d'affichage (5) de la position prédéfinie jusqu'à la position d'indication (figures 3, 4 et 5), lorsque le poussoir est ensuite relâché. The on-demand display device for a timepiece comprises a cam (3) arranged to be driven by the movement of the timepiece, a retrograde display member (5), a pinion (15) kinematically connected to the display member, a rake (11) arranged to mesh with the pinion so as to control the display member, elastic means (b) arranged to return the rake (11) and the member of display (5) in the direction of a rest position (Figures 1 and 6), and a manually operated mechanism (9) comprising a pusher and arranged to cause a displacement of the display member (5) from the position rest until a predefined position (figure 2) when the pusher is actuated, and to allow the elastic means to push the display member (5) from the predefined position to the indication position (figures 3 , 4 and 5), when the pusher is then released.
Description
L'invention concerne un dispositif d'affichage à la demande pour pièce d'horlogerie comportant une came agencée pour être entraînée par le mouvement de la pièce d'horlogerie, un organe d'affichage rétrograde, un pignon relié cinématiquement à l'organe d'affichage, un râteau agencé pour engrener avec le pignon de manière à commander l'organe d'affichage, des moyens élastiques agencés pour rappeler le râteau et l'organe d'affichage en direction d'une position de repos, et un mécanisme à commande manuelle comportant un poussoir et agencé pour commander le râteau de manière à permettre d'amener l'organe d'affichage dans une position d'indication à partir de la position de repos, la position d'indication étant déterminée par la position courante de la came.The invention relates to an on-demand display device for a timepiece comprising a cam arranged to be driven by the movement of the timepiece, a retrograde display member, a pinion kinematically connected to the clock member. 'display, a rake arranged to mesh with the pinion so as to control the display member, resilient means arranged to bias the rake and the display member in the direction of a rest position, and a mechanism to manual control comprising a pusher and arranged to control the rake so as to allow the display member to be brought into an indication position from the rest position, the indication position being determined by the current position of drug.
On connait des dispositifs d'affichages qui correspondent à la définition ci-dessus. Le document de brevet
Chacun des mécanismes d'actionnement comporte encore un levier d'actionnement commandé par le poussoir. Chaque levier d'actionnement est sous l'emprise d'un ressort de rappel puissant qui est agencé pour le repousser en direction du râteau, tant que le poussoir n'est pas actionné. La pression des leviers d'actionnement maintient les râteaux dans leurs positions angulaires rétractées, dans lesquelles les palpeurs sont écartés des cames en forme de limaçon et les aiguilles positionnées à 12 heures sur le cadran. Lorsque le porteur de la montre actionne le poussoir, il provoque le basculement des deux leviers d'actionnement, de se sorte que les râteaux sont libres de pivoter, et que leurs palpeurs s'abaissent contre les profils des cames en forme de limaçon. On comprendre que les cames en forme de limaçon sont dimensionnées de manière que les aiguilles des heures et des minutes viennent s'immobiliser dans des positions indiquant respectivement l'heure courante et la minute courante lorsque les râteaux sont en position active. Enfin, dès que la pression sur le poussoir est relâchée, les bascules d'actionnement reprennent leur position initiale, ce qui contraint les râteaux à pivoter à nouveau en regagnant leurs positions angulaires rétractées.Each of the actuation mechanisms further comprises an actuation lever controlled by the pusher. Each actuating lever is under the influence of a powerful return spring which is arranged to push it back in the direction of the rake, as long as the pusher is not actuated. The pressure of the actuating levers maintains the rakes in their retracted angular positions, in which the feelers are separated from the snail-shaped cams and the hands positioned at 12 o'clock on the dial. When the wearer of the watch actuates the pusher, it causes the two actuating levers to tilt, so that the rakes are free to pivot, and their feelers are lowered against the profiles of the snail-shaped cams. It will be understood that the snail-shaped cams are dimensioned so that the hour and minute hands come to rest in positions indicating the current hour and the current minute respectively when the rakes are in the active position. Finally, as soon as the pressure on the pusher is released, the actuating levers return to their initial position, which forces the rakes to pivot again by regaining their retracted angular positions.
Dans les dispositifs d'affichage de l'heure à la demande comme celui qui vient d'être décrit, la commande de l'affichage de l'heure se déroule de manière strictement manuelle. Les deux mécanismes imposent en effet aux aiguilles d'accompagner les mouvements du poussoir sans aucun retard et sans aucune fantaisie. Ainsi, lorsque le porteur de la montre exerce une pression sur le poussoir, il amène les aiguilles dans une position indiquant l'heure courante. L'heure courante reste affichée tant que le porteur de la montre maintient le poussoir enfoncé. Ensuite, lorsqu'il relâche le poussoir, ce dernier reprend sa position de repos, alors que les aiguilles reviennent s'immobiliser à 12 heures sur le cadran. On peut penser que l'affichage de l'heure à la demande serait visuellement plus intéressant si le mécanisme à commande manuelle était conçu pour faire accomplir automatiquement aux aiguilles quelque détour lorsqu'elles sont actionnées à l'aide du poussoir.In on-demand time display devices such as the one just described, the time display is controlled strictly manually. The two mechanisms in fact require the hands to accompany the movements of the pusher without any delay and without any fancy. Thus, when the wearer of the watch exerts pressure on the pusher, he brings the hands into a position indicating the current time. The current time remains displayed as long as the wearer of the watch keeps the push-button pressed. Then, when he releases the push-piece, the latter returns to its rest position, while the hands come back to stop at 12 o'clock on the dial. It may be thought that the display of the time on demand would be visually more interesting if the manually-operated mechanism were designed to automatically make the hands take some detour when they are actuated with the aid of the pusher.
Un but de la présente invention est de remédier aux inconvénients de l'art antérieur qui viennent d'être expliqués. La présente invention atteint ce but ainsi que d'autres en fournissant un dispositif d'affichage à la demande qui est conforme à la revendication 1 annexée.An aim of the present invention is to remedy the drawbacks of the prior art which have just been explained. The present invention achieves this and other object by providing an on-demand display device which is in accordance with the appended claim 1.
Conformément à l'invention, le mécanisme à commande manuelle est agencé pour d'une part, lorsque le poussoir est actionné, provoquer un déplacement de l'organe d'affichage à l'encontre des moyens élastiques de la position de repos jusqu'à une position prédéfinie, et pour d'autre part, lorsque le poussoir est ensuite relâché, permettre au moyens élastiques de repousser l'organe d'affichage de la position prédéfinie en direction de la position de repos. Autrement dit, l'organe d'affichage commence par se déplacer de la position de repos jusqu'à la position prédéfinie, puis repart en sens inverse, avant de s'arrêter enfin en position d'indication. On comprendra que le mouvement supplémentaire associé au cheminent indirecte suivi par l'organe d'affichage constitue une forme d'animation susceptible d'attirer le regard sur l'organe d'affichage de la pièce d'horlogerie.According to the invention, the manually operated mechanism is arranged for, on the one hand, when the pusher is actuated, causing a displacement of the display member against the elastic means from the rest position to a predefined position, and on the other hand, when the pusher is then released, allow the elastic means to push the display member from the predefined position towards the rest position. In other words, the display unit begins by moving from the rest position to the predefined position, then starts again in the opposite direction, before finally stopping in the indication position. It will be understood that the additional movement associated with the indirect path followed by the display member constitutes a form animation capable of attracting the eye to the display member of the timepiece.
Conformément à l'invention, le dispositif d'affichage à la demande comporte une bascule d'arrêt qui est mobile entre une position rétractée et une position active dans laquelle elle coopère avec la came, de sorte que sa position active est déterminée par la position courante de la came. De plus, lorsque la bascule d'arrêt est en position active, elle est agencée pour interrompre la course du râteau quand l'organe d'affichage retourne depuis sa position prédéfinie en direction de sa position de repos, de façon que l'organe d'affichage s'immobilise dans sa position d'indication. La position d'indication est donc déterminée par la position active de la bascule d'arrêt, cette position active étant elle-même déterminée par la position courante de la came. On comprendra en outre que la position d'indication de l'organe d'affichage est une position intermédiaire qui est située entre les deux positions extrêmes constituées par la position prédéfinie et la position de repos.According to the invention, the on-demand display device comprises a stop latch which is movable between a retracted position and an active position in which it cooperates with the cam, so that its active position is determined by the position current of the cam. In addition, when the stop lever is in the active position, it is arranged to interrupt the stroke of the rake when the display member returns from its predefined position towards its rest position, so that the member of The display stops in its indication position. The indication position is therefore determined by the active position of the stop latch, this active position itself being determined by the current position of the cam. It will also be understood that the indication position of the display member is an intermediate position which is situated between the two extreme positions constituted by the predefined position and the rest position.
Conformément à l'invention, le dispositif d'affichage comporte en outre des moyens de temporisation agencés pour commuter la bascule d'arrêt en position rétractée de manière à libérer l'organe d'affichage, de façon à permettre au ressort de rappel de le repousser de la position d'indication jusqu'à la position de repos à un instant déterminé après que le porteur de la pièce d'horlogerie a relâché le poussoir. On comprendra que la présence des moyens de temporisation permet à l'organe d'affichage de rester en position d'indication un certain temps bien que le porteur a déjà relâché le poussoir.According to the invention, the display device further comprises timing means arranged to switch the stop latch to the retracted position so as to release the display member, so as to allow the return spring to release it. pushing back from the indication position to the rest position at a determined instant after the wearer of the timepiece has released the pusher. It will be understood that the presence of the timing means allows the display member to remain in the indication position for a certain time even though the wearer has already released the pusher.
D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés dans lesquels :
- les
figures 1 à 6 sont six instantanés successifs au cours du fonctionnement d'un dispositif d'affichage à la demande conforme à un mode de réalisation particulier de l'invention.
- the
figures 1 to 6 are six successive snapshots during the operation of an on-demand display device in accordance with a particular embodiment of the invention.
Les
Comme déjà mentionné, le dispositif illustré dans les figures comporte un certain nombre de ressorts de rappel qui sont uniquement montrés dans la
On va maintenant expliquer le fonctionnement du dispositif d'affichage à la demande illustré en se référant successivement aux différentes figures. La
Conformément à l'invention, le mécanisme à commande manuelle est agencé pour provoquer un déplacement de l'organe d'affichage à l'encontre des moyens élastiques, de la position de repos jusqu'à une position prédéfinie lorsque le poussoir (non représenté) est actionné. En se référant maintenant à la
En se référant toujours à la
Conformément à l'invention, le mécanisme à commande manuelle est agencé pour permettre aux moyens élastiques de repousser l'organe d'affichage de la position prédéfinie en direction de la position de repos lorsque le poussoir (non représenté) est relâché. La
Conformément à l'invention, lorsque la bascule d'arrêt est en position active, elle est agencée pour faire obstacle à la course du râteau quand l'organe d'affichage retourne depuis sa position prédéfinie en direction de sa position de repos, de façon que l'organe d'affichage s'immobilise en position d'indication, la position d'indication de l'organe d'affichage étant ainsi déterminée par la position active de la bascule d'arrêt. En se référant toujours à la
Conformément à l'invention, le dispositif d'affichage à la demande comporte en outre des moyens de temporisation agencés pour, à un instant déterminé après que le porteur de la pièce d'horlogerie a relâché le poussoir, commuter la bascule d'arrêt en position rétractée de manière à libérer l'organe d'affichage, de façon à permettre aux moyens élastiques de repousser l'organe d'affichage de la position d'indication jusqu'à la position de repos. Comme déjà mentionné, dans l'exemple illustré, les moyens de temporisation comportent un mobile de déblocage qui est entraînée en rotation par le mouvement. Comme le montre les
La
On comprendra en outre que diverses modifications et/ou améliorations évidentes pour un homme du métier peuvent être apportées aux modes de réalisation qui font l'objet de la présente description sans sortir du cadre de la présente invention définie par les revendications annexées.It will also be understood that various modifications and / or improvements obvious to a person skilled in the art can be made to the embodiments which are the subject of the present description without departing from the scope of the present invention defined by the appended claims.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP19201122.9A EP3800512B1 (en) | 2019-10-02 | 2019-10-02 | Device for on-demand display for a clock piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP19201122.9A EP3800512B1 (en) | 2019-10-02 | 2019-10-02 | Device for on-demand display for a clock piece |
Publications (2)
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EP3800512A1 true EP3800512A1 (en) | 2021-04-07 |
EP3800512B1 EP3800512B1 (en) | 2024-01-10 |
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EP19201122.9A Active EP3800512B1 (en) | 2019-10-02 | 2019-10-02 | Device for on-demand display for a clock piece |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936448A2 (en) | 2006-12-23 | 2008-06-25 | Frank Müller Watchland S.A. | Device for on-demand display for a timepiece |
EP2159652A1 (en) * | 2008-08-26 | 2010-03-03 | Agenhor SA | Display mechanism for a timepiece used to display or not the current time |
EP2615505A1 (en) * | 2012-01-14 | 2013-07-17 | Agenhor SA | Mechanism for indicating on request information for a timepiece movement |
-
2019
- 2019-10-02 EP EP19201122.9A patent/EP3800512B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936448A2 (en) | 2006-12-23 | 2008-06-25 | Frank Müller Watchland S.A. | Device for on-demand display for a timepiece |
EP2159652A1 (en) * | 2008-08-26 | 2010-03-03 | Agenhor SA | Display mechanism for a timepiece used to display or not the current time |
EP2615505A1 (en) * | 2012-01-14 | 2013-07-17 | Agenhor SA | Mechanism for indicating on request information for a timepiece movement |
Also Published As
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EP3800512B1 (en) | 2024-01-10 |
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