WO2024251693A1 - Mecanisme horloger comprenant un disque sautant - Google Patents
Mecanisme horloger comprenant un disque sautant Download PDFInfo
- Publication number
- WO2024251693A1 WO2024251693A1 PCT/EP2024/065255 EP2024065255W WO2024251693A1 WO 2024251693 A1 WO2024251693 A1 WO 2024251693A1 EP 2024065255 W EP2024065255 W EP 2024065255W WO 2024251693 A1 WO2024251693 A1 WO 2024251693A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- jumping
- rotation
- disk
- drive member
- phase
- 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.)
- Pending
Links
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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
Definitions
- the present invention relates to a clockwork mechanism comprising a jumping disk arranged to be able to jump by one step in a direction of rotation, a device for driving the jumping disk comprising a rotary drive member arranged to be, with the jumping disk, fixed during a rest phase, and to, during a jump phase, drive the jumping disk by one step in a jumping manner in said direction of rotation, and a device for blocking the jumping disk arranged to allow rotation of the jumping disk in said direction of rotation during the jump phase and to prevent rotation of the jumping disk at least in said direction of rotation during the rest phase.
- the present invention also relates to a timepiece comprising such a clock mechanism.
- Such a mechanism is described for example in patent application CH 717 262.
- This mechanism is more specifically dedicated to a date disc coupled to a drive device comprising a control element mounted movably between a rest position not coupled with the date disc and an increment position coupled with the date disc.
- the control element is mounted on a pivoting frame in order to be able to switch between its two positions.
- the mechanism comprises a blocking device making it possible to prevent any accidental incrementation such as during an impact.
- the blocking device comprises a pin mounted on the pivoting frame and arranged to engage between two edge teeth provided on the outer periphery of the date disc when the pivoting frame is in the rest position. This blocking device presents the risk of not functioning if the pivoting frame is not in a correct rest position so that the pin will be incorrectly positioned.
- Another possibility known to those skilled in the art for immobilizing a jumping disk is to provide, in a conventional manner, a jumper.
- a jumper is arranged to lift against a restoring force exerted by a spring associated with the jumper during the jumping phase in order to allow the rotation of the disk to perform its jump.
- a spring associated with the jumper In order to prevent rotation in the direction of the jump in the event of an impact for example, it is possible to increase the force of the spring of the jumper.
- the present invention aims to remedy at least in part these drawbacks by proposing a clock mechanism comprising a device for blocking a jumping disc making it possible to prevent an untimely jump under particular conditions, for example in the event of shock to the timepiece at rest, as well as preventing a double jump of the jumping disk during a jumping phase, while minimizing energy consumption during the jumping phase.
- Another object of the present invention is to provide a mechanism of simple and compact construction.
- the invention relates to a clockwork mechanism comprising a jumping disk arranged to be able to jump by one step in a direction of rotation, a device for driving the jumping disk comprising a rotary drive member arranged to be, with the jumping disk, fixed during a rest phase, and to, during a jump phase, drive the jumping disk by one step in a jumping manner in said direction of rotation, and a device for blocking the jumping disk arranged to allow rotation of the jumping disk in said direction of rotation during the jump phase and to prevent rotation of the jumping disk at least in said direction of rotation during the rest phase.
- said locking device comprises a locking lever positioned between the jumping disk and the drive member, and preferably mounted to rotate freely, said locking lever comprising a head and being arranged to be able to move between a high locking position in which said head is held by an outer peripheral edge of the drive member while being able to constitute a rotation stop in said direction of rotation for the jumping disk during the rest phase, and a low release position in which said head is engaged in a notch provided on said outer peripheral edge of the drive member in order to be released from the jumping disk, said notch being arranged to be at least partly positioned opposite the head of the locking lever at the start of the jumping phase so that the jumping disk is free to rotate, and to no longer be opposite said head of the locking lever after the jumping phase, or preferably before the end of the jumping phase, so that the locking lever returns to its high locking position.
- the jumping disk is free to rotate in one direction during the jumping phase, and is blocked in rotation in the same direction at least during the rest phase, preventing any untimely jump in said direction in the event of an impact for example.
- the blocking device is active before the end of the jumping phase, once a jump has been performed, so that a double jump of the jumping disk is impossible.
- the blocking device according to the invention acts as both an anti-double jump and an anti-shock device.
- the jumping disc is an hour disc and the drive member is driven via an hour wheel.
- FIG. 1 to 7 represent a top view of a clock mechanism according to the invention in different positions on a cycle between two rest phases;
- FIG. 8 is a top view of the clock mechanism according to the invention in the event of an impact likely to cause the jumping disk to rotate in one direction and then the other.
- the present invention relates to a jumping disc clock mechanism and will be described below with reference to a clock mechanism intended to be implemented more particularly in a jumping hour mechanism.
- this mechanism shown in its resting position, comprises a jumping hour disc 1 partially shown in the figures and arranged to be able to jump one step in a direction of rotation during a jump phase, i.e. here to jump one hour clockwise.
- the jumping disc 1 has the shape of a ring with center A, empty in its center, defining a inner periphery 1a and on which are distributed in a regular and orderly manner the twelve digits of the hours from 1 to 12.
- the jumping disk 1 On its inner periphery 1a, there are provided at least as many notches 2 as there are jumps to be made on one revolution. Preferably, there are provided as many notches 2 as there are jumps to be made on one revolution, i.e. here 12 notches 2, one notch 2 corresponding to a time displayed on the jumping disk 1.
- the jumping disk 1 is mounted on a frame of the mechanism, free to rotate with center A. It is guided in rotation for example by rollers 4. Any other guiding means can be used.
- a drive device 5 of the jumping disk 1 which comprises a drive pinion 6 meshing with an hour wheel 7 of the movement of the timepiece and a drive star 8 secured to said drive pinion 6.
- the drive star 8 comprises teeth 8a, here four in number, the role of which will be described below.
- the hour wheel 7 makes one revolution in 12 hours, or in 24 hours according to another variant, and slowly drives the drive pinion 6 and therefore the drive star 8 so that it rotates 45° per hour in the counterclockwise direction.
- the drive device 5 also comprises a rotating drive member 10, free to rotate about center A.
- the drive member 10 is mounted on the frame of the mechanism at the same level as the jumping disk 1 and concentrically with said jumping disk 1.
- the drive member 10 is guided in rotation for example by rollers 12. Any other guiding means can be used.
- the drive member 10 has the general form of a ring defining an inner peripheral edge 10a and an outer peripheral edge 10b.
- the drive member 10 is associated with an elastic return member 11, such as a return spring, said drive member 10 being arranged to be driven in rotation in the other direction of rotation, here the counterclockwise direction, by arming its return member 11 during an arming phase, independently of the jumping disk 1, and to, during the jumping phase, rotate in the direction of rotation of the jump, here the clockwise direction, under the effect of its return member 11 and cooperate with the jumping disk 1 to drive said jumping disk 1 by one step in a jumping manner in said direction of rotation of the jump.
- an elastic return member 11 such as a return spring
- a rotation of the drive star 8 in the other direction of rotation causes, via a contact between a tooth 8a and the lug 14, a rotation of the drive member 10 in said counterclockwise direction during which its elastic return member 11 is progressively wound.
- This phase corresponds to the winding phase.
- the teeth 8a of the drive star 8 and the lug 14 are configured so that once the counterclockwise rotation necessary for winding the return member 11 has been performed, the tooth 8a continues to rotate counterclockwise while no longer engaging the lug 14.
- the drive member 10 is released for the jump phase and its return member 11 releases all of its energy by instantly returning the drive member 10 in a clockwise rotation so that it returns to its position during the rest phase.
- the teeth 8a are also configured so as not to drive the drive member 10 during the rest phase, said drive member 10 being fixed during said rest phase.
- the jumping disk 1 is fixed during the rest and winding phases.
- the cooperation between the drive member 10 and the jumping disc 1 is preferably, but not necessarily, direct.
- a flexible finger 16 for example a finger mounted on a spring blade integral with the drive member 10.
- the flexible finger 16 is arranged to retract upon contact with a notch 2' of the jumping disk 1 when the drive member 10 is driven in the other direction of rotation, here the counterclockwise direction, during the winding phase, and to drive, preferably by direct contact, the jumping disk 1 by one step in the direction of rotation of the jump, here the clockwise direction, by pushing said notch 2' of the jumping disk 1 in said direction of rotation, here the clockwise direction, when the drive member 10 rotates in said clockwise direction during the jump phase, returned to its rest position by its return member 11.
- the finger flexible 16 has at its rear end, in the clockwise direction, an inclined plane to facilitate its passage behind the notch 2' during the arming phase, and at its front end, a straight face configured to come opposite the notch 2' at the start of the jump phase.
- the sudden rotation of the drive member 10 released from the star 8 and brought back by its return member 11, causes a sudden rotation of the jumping disk 1 pushed by the flexible finger 16, thus making a jump of the hour.
- the latter is arranged to move between two stops, one of which corresponds to the position of the drive member 10 during the rest phase and the other corresponds to the position of the drive member 10 at the end of the arming phase.
- the drive member 10 has an oblong opening 18 in which a pin 20 integral with the frame circulates.
- the rear edge 18a in the clockwise direction of the opening 18 constitutes a stop for the pin 20 when the drive member 10 reaches its position during the rest phase and the front edge 18b in the clockwise direction could constitute a stop for the pin 20 when the drive member 10 reaches its position at the end of the arming phase.
- the front stop 18b determines a clearance with the position of the drive member 10 at the end of the arming phase. Due to such a clearance, the front stop 18b could only come into contact with the pin 20 in the event of impacts during the arming phase. Thus, the drive member 10 is limited in movement by at least one of the two stops 18a, 18b.
- the clockwork mechanism also comprises a device for blocking the jumping disk 1 arranged to allow the rotation of the jumping disk 1 in the direction of rotation of the jump, i.e. clockwise, during the jump phase and to prevent rotation of the jumping disk 1 at least in said direction of rotation during the rest phase in order to prevent any untimely jump, such as a jump in the event of shocks or a double jump.
- said locking device comprises a locking lever 22 mounted between the jumping disk 1 and the drive member 10 on a single level in the example shown.
- the locking lever is mounted free to rotate about the axis B and is arranged to be able to move freely between a locking position, called the high locking position, in which the locking lever 22, in particular its head 25, is held by the outer peripheral edge 10b of the drive member 10 while being able to constitute a rotation stop in the direction of rotation of the jump, here the clockwise direction, for the jumping disk 1 during the rest phase, and a release position, called the low release position, in which the locking lever 22, in particular its head 25, is engaged in a notch 24 provided on said outer peripheral edge 10b of the drive member 10 so that said locking lever, in particular its head 25, is released from the jumping disk 1 at least at the start of the jump phase.
- a locking position called the high locking position
- the locking lever 22, in particular its head 25 is held by the outer peripheral edge 10b of the drive member 10 while being able to constitute a rotation stop in the direction of rotation of the
- said notch 24 is arranged so that, during rotation of the drive member 10 in the other direction of rotation, here the counterclockwise direction, it is at least partly positioned opposite the head 25 of the locking lever 22 at the start of the jump phase so that the jumping disk 1 is free to rotate, and so that, following rotation of the drive member 10 in the direction of rotation of the jump, here the clockwise direction, it is no longer opposite the head 25 of the locking lever 22 after the jump phase, or preferably before the end of the jump phase and after the start of the jump phase, so that the locking lever 22 returns to its high locking position.
- the notch 24 is not opposite the head 25 of the locking lever 22 during the rest phase before or after the jump phase, or preferably during the rest phase and after the start of the jump phase until the end of the jump phase, the notch 24 being opposite the head 25 at the start of the jump phase.
- the locking lever 22 is positioned between the inner periphery 1a of the jumping disk 1 and the outer peripheral edge 10b of the drive member 10, the arm of the locking lever 22 extending approximately concentrically to the jumping disk 1 and to the drive member 10.
- the locking lever 22 comprises a head 25 having a heel 26 arranged to be able to cooperate with one of the notches 2 of the jumping disk 1 when it is in its high locking position.
- the head 25 also comprises, opposite the heel 26, a beak 28 arranged to cooperate with the outer peripheral edge 10b of the drive member 10 when the locking lever 22 is in its high position and to cooperate with the notch 24 of the drive member 10 when the locking lever 22 is in its low release position.
- the notches 2 of the jumping disk 1, the heel 26 and the beak 28 of the locking lever are dimensioned so that, when the locking lever 22 is in its high locking position, a notch 2 of the jumping disk 1 abuts against the heel 26 in the event of rotation of the jumping disk while the beak 28 is held in position by the outer peripheral edge 10b of the drive member 10, and so that, when the locking lever 22 is in its low release position, the engagement of the beak 28 in the notch 24 allows the locking lever 22 to pivot sufficiently about its axis B so as to move its heel 26 away from the notches 2 of the jumping disk 1. In this position, said jumping disk 1, in particular each of its notches 2, can pass above the locking lever 22 and can rotate freely.
- the notch 24 is sized and positioned on the outer peripheral edge 10b of the drive member 10 so that the beak 28 of the head 25 of the locking lever 22 falls into the notch 24 during the arming phase, for example at the start of the arming phase, and arrives substantially at the front end of said notch 24 in the direction of rotation of the jump, here the clockwise direction, at the end of the arming phase, so that the heel 26 of the head 25 of the locking lever 22 is at a distance of a notch 2 during the arming phase, and so that the beak 28 of the head 25 of the locking lever 22 is positioned substantially at the rear end of the notch 24 in said direction of rotation, here the clockwise direction, as soon as the notch 2 which was blocked by the locking lever 22 has passed.
- the locking lever 22 quickly leaves the notch 24 and returns to its high locking position during the jump phase in order to be able to lock the next notch 2 before the drive member 10 reaches its position corresponding to the rest phase.
- a pin 30 is provided on the frame near the head 25 of the locking lever 22.
- Said pin 30 may be intended to receive, at its free end, a member of a diameter allowing to cover at least partially the head 25 of the locking rocker 22 in order to prevent the locking rocker 22 from lifting and to keep it in its working plane.
- the pin 30 has, at its free end, the aforementioned diameter.
- the locking device also comprises a jumper 32 arranged to allow the jumping disk 1 to rotate freely in the direction of rotation of the jump, here the clockwise direction, during the jump phase and to block said jumping disk 1 in the other direction of rotation, here the counterclockwise direction, during the rest phase.
- a jumper 32 arranged to allow the jumping disk 1 to rotate freely in the direction of rotation of the jump, here the clockwise direction, during the jump phase and to block said jumping disk 1 in the other direction of rotation, here the counterclockwise direction, during the rest phase.
- said jumper 32 is mounted, pivoting at C, on the frame. It is associated with a return spring 34.
- the jumper 32 has at the front, in the direction of rotation of the jump, here the clockwise direction, a front flank 36 which is cut to be substantially perpendicular to the notch 2” of the jumping disk 1 located at the front of the jumper 32 in said direction of rotation.
- the jumper 32 makes it possible to prevent rotation of the jumping disk 1 in the counterclockwise direction, the notch 2” being blocked by its front flank 36.
- the jumper 32 also has a rising flank 38 and a falling flank 40 formed by inclined planes which allow the movement of the jumper 32 by the notches 2 of the jumping disk 1.
- the rising flank 38 allows, by means of the notch 2” of the jumping disk 1 which comes into contact with the jumper 32 at the start of the jumping phase, to move said jumper 32, against its return spring 34, by moving it away from the jumping disk 1, authorizing the rotation of the jumping disk 1 in the clockwise direction.
- the falling flank 40 allows the rotation of the jumping disk 1 to be completed by using the elastic energy of the return spring of the jumper 34 when the latter returns to the rest position.
- the jumper 32 is configured so that, in the position corresponding to the rest phase, its front flank 36 is in contact with a flank of a notch 2”, and so that the notch 2 which will follow, in the direction of rotation of the jump, here the clockwise direction, is substantially in contact with the rising flank 38.
- the drive member 10 and the jumping disk 1 are fixed.
- the pin 20 abuts against the rear edge 18a of the opening 18 of the drive member 10.
- the jumper 32 immobilizes the jumping disk 1 under normal conditions of use of the mechanism.
- the locking lever 22 is held in its high locking position by its beak 28 resting on the outer peripheral edge 10b of the drive member 10, its heel 26 preventing the notch 2 of the jumping disk 1 from passing above the locking lever 22.
- a tooth 8a of the drive star 8 driven by the hour wheel approaches the lug 14 of the drive member 10 to initiate the winding phase, shown in FIG. 2.
- the drive member 10 is driven, via its lug 14, by the tooth 8a of the drive star 8 in the direction of rotation opposite to the direction of rotation of the jump, i.e. here in the counterclockwise direction.
- This has the effect of arming its elastic return member 11.
- Its flexible finger 16 retracts upon contact with a notch 2' of the jumping disk 1 which remains fixed during the arming phase.
- the latter then has the possibility of tilting towards the notch 24 in its low release position, for example by gravity, so that its heel 26 moves away from the notch 2 of the jumping disk 1.
- the jumping disk 1 is no longer blocked by the locking lever 22.
- the beak 28 of the locking lever 22 is located in contact with the notch 24, in the clockwise direction, and the pin 20 is, preferably, close to the front edge 18b of the opening 18 of the drive member 10 so as to leave a clearance between the pin and the front edge 18b of the opening 18 when the drive member 10 is fully armed.
- the tooth 8a of the star 8 continues its rotation in the counterclockwise direction so that it can no longer drive the lug 14 of the drive member 10. The latter is then released and turns in the clockwise direction, brought back by its elastic return member 11 so that its flexible finger 16 drives the notch 2' of the jumping disk 1 in the clockwise direction.
- the jumping disk 1 can rotate freely in the clockwise direction, moving the jumper 32 by its notch 2” resting on the rising flank 38. If the locking lever 22 has not yet fallen into the notch 24 by gravity, the notch 2 of the jumping disk 1 driven in the clockwise direction by the drive member 10 moves the locking lever 22 by its heel 26, the beak 28 of said locking lever 22 being opposite the notch 24 no longer being held by the outer peripheral edge 10b of the drive member 10. The notch 2 of the jumping disk 1, having caused the locking lever 22 to fall into the notch 24, can pass over said locking lever 22 which has pivoted sufficiently about its axis. B to allow free rotation of the jumping disk 1 in a clockwise direction.
- the jumping phase continues, the drive member 10 still rotating clockwise under the effect of its elastic return member 11. Its flexible finger 16 still drives the notch 2' of the jumping disk 1 so that the jumping disk 1 continues its rotation clockwise while continuing to move the jumper 32 against the return spring 34 tending to return it to its rest position.
- the jumping phase continues, the drive member 10 still rotating clockwise under the effect of its elastic return member 11. Its flexible finger 16 still drives the notch 2' of the jumping disk 1 so that the jumping disk 1 continues its rotation clockwise.
- the jumper 32 passes the jumping moment, the notch 2” of the jumping disk 1 engaging on the descending flank 40.
- the drive member 10 having rotated clockwise, the locking lever 22 has come out of the notch 24 and has returned to its high locking position, so that the next 2”' notch of the jumping disc 1 will be blocked by the heel 26 of the blocking rocker 22. Thus, a double jump is impossible.
- the jumping phase ends, the rear edge 18a of the opening 18 of the drive member 10 preferably comes into abutment against the pin 20 so that the drive member 10 can no longer continue its rotation.
- the flexible finger 16 can no longer drive the notch 2' of the jumping disk 1.
- the descending flank 40 of the jumper 32 returned to its rest position by its spring 34, pushes the notch 2" of the jumping disk 1 so that the latter ends its rotation in the clockwise direction.
- the locking lever 22 is in its high locking position, preventing any double jump.
- the jumping phase is complete and the mechanism has returned to its rest phase.
- the rear edge 18a of the opening 18 of the drive member 10 is preferably in abutment against the pin 20, the jumper 32 has repositioned the jumping disk 1, the notch 2” being in contact with its front flank 36.
- the locking lever 22 is in its high locking position, its beak 28 being held by the outer peripheral edge 10b of the drive member 10. The mechanism is ready for the next jump.
- the mechanism according to the invention makes it possible to have a device for blocking the jumping disk which prevents any untimely jump in the direction of rotation of the jump, whether it is a double jump or in the event of an impact.
- the mechanism according to the invention prevents any untimely jump in the opposite direction of rotation to that of the jump, or even in both directions of rotation if the force of the return spring 34 is oversized and thus contributes to the notch 2 not being able to rise along the rising flank 38.
- the mechanism according to the invention uses in a particularly advantageous manner a locking lever without a return spring.
- the mechanism of the invention is also simplified and is of more compact construction thanks to the use of a single drive member 10 which is configured to be able to perform on its own the three functions of driving the jumping disk 1, blocking the lever 22 and releasing the latter.
- the energy source comes from the hour wheel.
- This has the advantage of having twelve times more torque than if one were engaged with a minute wheel, which is conventionally done in jumping hour mechanisms.
- the jumping disk and the drive member may not be concentric.
- this mechanism can advantageously be arranged on a single level to benefit from a minimum thickness, it is also possible to provide an arrangement of this mechanism on several levels, where typically at least two members among the jumping disk 1, the locking lever 22 and the drive member 10 are on the same level.
- the locking device can be on another level.
- the locking lever can cooperate with the drive member and the jumping disk by means of pins secured to the drive member, respectively to the jumping disk. This embodiment can be implemented if the mechanism cannot be produced on a single level for reasons of space, for example.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480037458.6A CN121241311A (zh) | 2023-06-08 | 2024-06-04 | 包括跳转盘的钟表机构 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23178191.5A EP4474920A1 (fr) | 2023-06-08 | 2023-06-08 | Mecanisme horloger comprenant un disque sautant |
| EP23178191.5 | 2023-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024251693A1 true WO2024251693A1 (fr) | 2024-12-12 |
Family
ID=86732943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/065255 Pending WO2024251693A1 (fr) | 2023-06-08 | 2024-06-04 | Mecanisme horloger comprenant un disque sautant |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4474920A1 (fr) |
| CN (1) | CN121241311A (fr) |
| WO (1) | WO2024251693A1 (fr) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1035295A (en) | 1964-03-24 | 1966-07-06 | Smiths Industries Ltd | Improvements in or relating to clocks and watches having date indicators |
| CH454039A (fr) * | 1965-02-18 | 1968-06-14 | Felsa S A | Pièce d'horlogerie à quantième |
| FR2021421A2 (fr) * | 1968-10-24 | 1970-07-24 | Pforzhetmer Uhren Rohwer | |
| FR1602910A (fr) | 1968-10-16 | 1971-02-22 | ||
| CH553441A (fr) * | 1971-06-17 | 1974-08-30 | ||
| GB2042225A (en) | 1979-02-27 | 1980-09-17 | Nii Chasovoi Promysh | Instantaneous calendar device for timepieces |
| US20020080686A1 (en) | 2000-12-22 | 2002-06-27 | Eta Sa Fabriques D'ebauches | Instantaneous drive mechanism for a date indicator |
| CH715979A1 (fr) * | 2019-03-19 | 2020-09-30 | Richemont Int Sa | Mécanisme d'affichage du quantième pour mouvement horloger. |
| US20210208538A1 (en) * | 2020-01-08 | 2021-07-08 | Seiko Epson Corporation | Movement and watch |
| CH717262A1 (fr) | 2020-03-26 | 2021-09-30 | Officine Panerai Ag | Système d'affichage de quantième empêchant toute incrémentation accidentelle comme lors d'un choc. |
-
2023
- 2023-06-08 EP EP23178191.5A patent/EP4474920A1/fr not_active Withdrawn
-
2024
- 2024-06-04 WO PCT/EP2024/065255 patent/WO2024251693A1/fr active Pending
- 2024-06-04 CN CN202480037458.6A patent/CN121241311A/zh active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1035295A (en) | 1964-03-24 | 1966-07-06 | Smiths Industries Ltd | Improvements in or relating to clocks and watches having date indicators |
| CH454039A (fr) * | 1965-02-18 | 1968-06-14 | Felsa S A | Pièce d'horlogerie à quantième |
| FR1602910A (fr) | 1968-10-16 | 1971-02-22 | ||
| FR2021421A2 (fr) * | 1968-10-24 | 1970-07-24 | Pforzhetmer Uhren Rohwer | |
| CH553441A (fr) * | 1971-06-17 | 1974-08-30 | ||
| GB2042225A (en) | 1979-02-27 | 1980-09-17 | Nii Chasovoi Promysh | Instantaneous calendar device for timepieces |
| US20020080686A1 (en) | 2000-12-22 | 2002-06-27 | Eta Sa Fabriques D'ebauches | Instantaneous drive mechanism for a date indicator |
| CH715979A1 (fr) * | 2019-03-19 | 2020-09-30 | Richemont Int Sa | Mécanisme d'affichage du quantième pour mouvement horloger. |
| US20210208538A1 (en) * | 2020-01-08 | 2021-07-08 | Seiko Epson Corporation | Movement and watch |
| CH717262A1 (fr) | 2020-03-26 | 2021-09-30 | Officine Panerai Ag | Système d'affichage de quantième empêchant toute incrémentation accidentelle comme lors d'un choc. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN121241311A (zh) | 2025-12-30 |
| EP4474920A1 (fr) | 2024-12-11 |
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