EP4511703A1 - Organe de commande d'au moins une fonction d'un mouvement horloger - Google Patents
Organe de commande d'au moins une fonction d'un mouvement horlogerInfo
- Publication number
- EP4511703A1 EP4511703A1 EP23719764.5A EP23719764A EP4511703A1 EP 4511703 A1 EP4511703 A1 EP 4511703A1 EP 23719764 A EP23719764 A EP 23719764A EP 4511703 A1 EP4511703 A1 EP 4511703A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cam
- crown
- function
- control member
- guide tube
- 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
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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
- G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
-
- 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
Definitions
- the present invention relates to a control member for at least a first function of a watch movement, said control member comprising a crown comprising a head and a central rod secured to the head and intended to be secured to a control rod, and a guide tube with longitudinal axis A in which said central rod is mounted movable at least in axial rotation along said axis A, the crown being arranged to occupy at least one non-pressed position in which said crown is movable in axial rotation in at least one direction between at least one neutral, stable angular position, and at least one unstable actuation angular position in which said first function is capable of being actuated via the control rod.
- the present invention also relates to a timepiece comprising at least one such control member.
- Such a control member is used for example in a timepiece described in application WO 2022/175002 filed by the applicant, said timepiece comprising in particular a month indicator mechanism, the first function being a correction function for the month. month.
- the control member in the non-pressed position, is movable in axial rotation, for example through an angle of approximately 60°, in one direction between its central stable angular position and a first unstable actuation angular position, corresponding to a rapid correction of month +1, and an angle of approximately 60° in the other direction between its central stable angular position and a second unstable actuation angular position corresponding to a rapid correction of month -1.
- the timepiece described in application WO 2022/175002 also comprises a chronograph mechanism, the control member also being arranged to, in response to pressure, be movable in axial translation between its unpressed position and a pressed position in which a second function is activated, namely one of the chronograph functions, and more particularly the Reset or Flyback function.
- the control member automatically returns to its non-pressed position after releasing the pressure on the control member, like a pusher.
- Another aim of the present invention is to propose a single control member allowing rapid control of a first function by rotation of the control member with an automatic return to the neutral position, like a control rod fast, and also making it possible to activate a second function, different from the first function, by pressing on said control member with an automatic return to the non-pressed position, like a pusher.
- the control member comprises a device for automatically returning the crown from its actuation position to its neutral position comprising a first tubular cam mounted integrally around the central rod and a second tubular cam housed in the tube guide, mounted freely in axial translation on the central rod and arranged to be able to essentially slide axially in said guide tube and to cooperate with a spring provided in the guide tube, said first and second cams having working surfaces arranged to be in contact at least when the crown is in its neutral position, said working surfaces having a profile obtained by cutting said first and second cams by at least one inclined plane on the axis A, so that an axial rotation of the first cam via a rotation of the crown in its actuation position causes, by cooperation of the working surfaces, an axial translation of the second cam compressing the spring, and an axial translation of the second cam brought back by the spring when the rotation in the actuation position ceases, causes, by cooperation of the working surfaces, an axial rotation of the first cam which automatically replaces the crown in its neutral position.
- the central rod is also mounted movable in axial translation in the guide tube, the crown also being arranged to, in response to pressure on said crown, be movable in axial translation between its non-pressed position and a depressed position in which a second function distinct from the first function is capable of being actuated via the control rod, so that an axial translation of the first cam causes, by cooperation of the working surfaces, an axial translation of the second cam compressing the spring, and to return to its position no depressed when the pressure on the crown ceases, an axial translation of the second cam brought back by the spring causing, by cooperation of the working surfaces, an axial translation of the first cam which replaces the crown in its non-pressed position.
- the first function is the correction of the month of a month indicator mechanism and the second function is the Reset or Flyback function of a chronograph mechanism.
- FIG. 1 is a sectional view of the control member according to the invention, the crown of said control member being in the non-pressed and neutral position;
- FIG. 1 is an isometric view of the control member according to the invention.
- FIG. 3 is a schematic view of a control rod capable of being secured to the control member of the present invention, arranged to control a Reset or Flyback function of a chronograph mechanism and a function of correction of the month of a month indicator mechanism, of a timepiece, the control member being in its non-pressed and neutral position;
- FIG. 4 is an isometric view of the automatic return device according to the invention.
- FIG. 5 is an isometric view of the first female cam of Figure 4.
- FIG. 6 is an isometric view of the second male cam of Figure 4.
- FIGS. 7a, 7b and 7c are sectional views representing the control member with the crown respectively in its neutral non-pressed position, in its unstable and not depressed angular actuation position, and in its depressed position.
- the present invention relates to a control member 1 of at least one, and advantageously of several different functions of a watch movement, said control member 1 comprising a crown 2 intended to be secured to a control rod 3 arranged to operate said functions.
- the control member 1 is mounted on the middle part (not shown) of a watch case of a timepiece so that said crown 2 protrudes from said middle part.
- the control member 1 comprises a guide tube 4 intended to be fixed by screwing or driving into the middle.
- the guide tube 4 can, preferably, generally have a symmetry of revolution with respect to a longitudinal axis A constituting the axis of rotation, and also preferably the axis of translation, of the crown 2.
- the crown 2 is arranged to occupy a non-pressed or rest position shown in Figure 1, in which said crown 2 is movable in axial rotation in at least one direction between at least one neutral, stable angular position, and at least one position unstable actuation angle in which a first function is capable of being actuated via the control rod 3, said first function being for example a rapid correction function of a mechanism, the at least one unstable angular actuation position typically corresponding to a correction position of the mechanism .
- the crown 2 is arranged to be movable in axial rotation in one direction between the neutral, stable angular position, defining a stable angular position, preferably central, and a first unstable angular position of actuation, and to be movable in rotation axial in the other direction between said neutral position and a second unstable angular actuation position.
- the first function is a correction function of a mechanism
- the first unstable actuation angular position typically corresponds to a first correction position of the mechanism
- the second unstable actuation angular position typically corresponds to a second correction position of the mechanism.
- the crown 2 is movable in axial rotation over an angle less than 360°, preferably less than 180°, and more preferably less than or equal to 70° in each direction of rotation.
- the crown 2 is also arranged to, in response to pressure on said crown 2, be movable in axial translation between its non-pressed or rest position shown in Figure 1 and a pressed position in which a second function distinct from the first function, for example a function of a chronograph mechanism, is capable of being actuated via the control rod 3, and to return to its non-pressed or rest position when pressure on the crown 2 stops.
- a second function distinct from the first function for example a function of a chronograph mechanism
- the “rest position” or “not depressed” is defined in relation to the movement in axial translation of the crown 2, the rest or not depressed position then being defined as a position that the crown takes when it is not subjected to an axial force or pressure, in which the first function is capable of being actuated, the rest or non-pressed position designating the state in which the crown is found when it is not subjected to no force external to the body.
- the crown 2 comprises a head 6, an axial skirt 8 secured to the head 6 and a central rod 10 connected to the head 6 or secured to the latter.
- the assembly formed by the crown 2 and the central rod 10 has a symmetry of revolution around the axis A.
- the central rod 10 is mounted movable in axial rotation, and preferably in axial translation, along said longitudinal axis A in the guide tube 4.
- the head 6 and the skirt 8 are mounted movable around the guide tube 4 in rotation, and preferably in translation, along the axis A.
- the central rod 10 is intended to be secured to the control rod 3 by means for example of a female drive square 12 fixed to the free end of the central rod 10 by screwing and into which is intended to fit a male square 14 (see Figure 3) provided at the end of the control rod 3.
- the square end of the control rod 3 is slipped, when assembling the movement in the box, into the drive square female 12 by its open face.
- the female square 12 of the crown 2 permanently drives the male square of the control rod 3 in rotation.
- the bottom of the drive square 12 can push the end of the control rod 3 in axial translation into the position pressed when pressure is exerted on the crown 2.
- the control rod 3 has its own return spring which maintains its square end in the drive square 12 to return the control rod 3 to the rest position when the pressure ceases . It is obvious that the drive of the control rod by a square can be replaced by a drive with another suitable shape, such as a triangle, two flats or another polygonal shape.
- the crown 2, with the central rod 10, and the control rod 3 once mounted on the central rod 10, are always integral in movement (in rotation and in translation). They can be rotated around the axis A like a control rod and, in the preferred embodiment in which the crown 2 also functions like a pusher, they can be moved in translation axial along axis A in a position pressed by a user in order to control two different functions of the timepiece, and more precisely the functions of two different complications, as will be described in more detail below.
- the timepiece comprises a first complication, the first function being linked to this first complication and being able to be for example a rapid correction function of a mechanism, the angular position(s) of unstable actuation(s) corresponding to one or more correction position(s) of the mechanism.
- the timepiece may comprise a month indicator mechanism or a chronograph mechanism, the first function being a month correction function, respectively at least one chronograph function such as the START/STOP function, the Reset or Flyback, preferably the Reset or Flyback function. It is obvious that any other complication that could be corrected by a rapid rotation of crown 2, such as a moon, can be used.
- the timepiece may include a second complication, such as a chronograph mechanism, and the second function is one of the chronograph functions such as the START/STOP function, the Reset or Flyback function. It is quite obvious that any other complication which could be corrected by pressing on crown 2, such as the day or the week, can be used.
- the timepiece may comprise a month indicator mechanism and a chronograph mechanism, the first function being a month correction function, the second function being one of the chronograph functions, preferably the reset function. Zero or Flyback.
- control rod 3 In order to be able to control a first function via the control rod 3 by a rotation of the crown 2, and preferably a second function via said control rod 3 by pressure on the crown 2, the control rod 3 is arranged to be integral in rotation with a first actuation device of the first function, and to, preferably, be arranged to cooperate with a second actuation device of the second function during the movement of the crown 2 in its depressed position, all while being free in axial translation relative to the first actuating device. Details of such a control rod 3 are given in application WO 2022/175002.
- the first actuation device comprises a reference 16 mounted on the square 18 of the control rod 3, to be integral in rotation with said control rod 3 and to be able to preferably only slide the one in relation to the other, said reference 16 being arranged to actuate the first function, for example the month correction function of a month indicator mechanism.
- the return 16 moves, like the crown 2 and the control rod 3, between three angular positions, namely a first neutral position, a first unstable angular position for rapid correction, for example at +65° relative to the neutral position, corresponding to the addition of a month and a second unstable angular position for rapid correction, for example at -65° relative to the neutral position, corresponding to the removal of a month.
- the first actuation device also comprises a centering rocker 20 of the control rod 3 and a centering spring 22 of the control rod 3, arranged to act on a heart 24 linked to the return 16, in order to reposition in particular the control rod 3 in the central position.
- control rod 3 also has a groove 26 and the second actuation device comprises a pull tab 28 pivotally mounted on an element of the frame, engaged in said groove 26 and arranged to actuate the second function, for example the Reset function of a chronograph mechanism, when pressing the crown 2 causing an axial translation of the control rod 3.
- the second actuation device comprises a pull tab 28 pivotally mounted on an element of the frame, engaged in said groove 26 and arranged to actuate the second function, for example the Reset function of a chronograph mechanism, when pressing the crown 2 causing an axial translation of the control rod 3.
- the spring 22 and the centering rocker 20 act on the heart 24.
- the spring 22 and the centering rocker 20 act on the walls of the core 24 to reposition it, in particular with the control rod 3, and therefore reposition the crown 2 in its central neutral, stable angular position.
- the control member 1 comprises its own device for automatically returning the crown 2 from one of its unstable actuation positions to its stable neutral position.
- the automatic return device to the stable position integrated into the control member according to the invention is used to reinforce the automatic return device of the control rod 3.
- the device automatic return to the stable position integrated into the control member according to the invention can be provided alone, without any return device or equivalent provided in particular on the control rod.
- Said automatic return device of the control member 1 comprises a first tubular cam 30, mounted integrally around the central rod 10 on the side of the base 10a of said central rod 10 secured to the head 6 of the crown 2, so that the first cam 30 rotates with the central rod 10 along the axis A when the crown 2, in its non-pressed position, is turned in one direction or the other.
- the first cam 30 is also moved in translation along the axis A with the central rod 10 when pressure is exerted on the crown 2.
- the automatic return device also comprises a second tubular cam 32 housed in the guide tube 4, mounted freely in axial translation on the central rod 10 and arranged to be able essentially, or even only, to slide axially in said guide tube 4 while being guided mainly in axial translation in said guide tube 4, its rotation relative to said guide tube 4 being minimal, if not impossible, and to cooperate with a spring 34 provided in the guide tube 4, wound around the central rod 10 between the bottom of the guide tube 4 and the second cam 32.
- first cam 30 and the second cam 32 have, at their opposite ends, working surfaces 30a, 32a respectively arranged to be in direct contact with each other. other at least when the crown 2 is in its neutral position, as shown in Figures 1 and 7a, said working surfaces 30a, 32a having a profile obtained by cutting said first and second tubular cams 30, 32 by at least one plane inclined on the axis A, that is to say not perpendicular to the axis A.
- the working surfaces 30a, 32a are in direct contact with each other, preferably over the entire cam profile when the crown 2 is in its neutral position.
- the first cam 30 is a female cam and the second cam 32 is a male cam so that the second male cam 32 penetrates, and preferably fits, into the first female cam 30 when they are sufficiently close together, the working surface 32a at the end of the second male cam 32, facing the first female cam 30, which can then engage with the working surface 30a at the end of said first female cam 30.
- the working surface 30a of the first female cam 30 has a profile obtained by cutting said first cam 30 by at least one plane inclined on the axis A at an angle preferably between
- the working surface 32a of the second male cam 32 preferably has a complementary shaped profile, so that the working surface 32a of the second male cam 32 can engage with the working surface 30a of the first female cam 30 .
- the working surfaces 30a, 32a of the first and second cams 30, 32 have a profile obtained by cutting said first and second cams 30, 32 by two planes P1 and P2 inclined on the axis A and symmetrical relative to said axis A, as shown in Figure 7a.
- the first cam 30 is preferably a female cam whose working surface 30a has a profile obtained by cutting said first cam 30 by two planes P1, P2 inclined on the axis A at an angle preferably between 30° and 45° for one, here P1, and preferably between -45° and -30° for the other, here P2, said planes P1 and P2 being symmetrical with respect to said axis A.
- the second cam 32 is a male cam whose working surface has a profile of complementary shape, so that the working surface 32a of the second male cam 32 can engage with the working surface 30a of the first female cam 30.
- the first cam 30 has, at its end facing the second cam 32, a working surface 30a whose profile comprises for example two planes inclined on the axis A and symmetrical, giving this first cam 30 has a cylindrical shape notched in V.
- the first cam 30 has, at its end opposite the working surface 30a, a circular section 30b, perpendicular to the axis A, bearing on the base 10a of the central rod 10 .
- the second cam 32 has, at its end facing the first cam 30, a working surface 32a whose profile comprises for example two planes inclined on the axis A and symmetrical, giving this second cam 32 a complementary shape to that of the first cam 30 given by the working surface 30a.
- the second cam 32 has, at its end opposite the working surface 32a, a surface 32b arranged to be housed in the guide tube 4 and to cooperate with the spring 34 provided at the bottom of the guide tube 4.
- the second cam 32 is arranged to be slidably housed in the guide tube 4 while being locked in rotation there.
- the interior wall of the guide tube 4 typically has longitudinal grooves 36 shown in Figure 4 and the surface 32b of the second cam 32 has a perimeter of shape substantially complementary to said grooves, for example a polygonal perimeter.
- the spring 34 is also the spring which serves to return the crown 2 from its depressed position to its non-pressed position. pressed when the pressure exerted from the outside of the middle on the crown 2 ceases.
- the first and second cams 30 and 32 are positioned on the central rod 10 nested one inside the other so that their working surfaces 30a, 32a are being at the direct contact with each other, typically across the entire cam profile, as shown in Figure 7a.
- the central rod 10 in axial translation moved the control rod 3 also in axial translation via the squares 12 and 14, so as to activate the second function, for example resetting the chronograph to zero.
- the second cam 32 pushed by the spring 34 slides in the guide tube towards the outside while itself pushing on the first cam 30, and therefore on the central rod 10, so that the central rod 10 and the crown 2 return to the non-pressed position shown in Figure 7a.
- the timepiece may comprise one or more control members of the invention, arranged to operate different first and second functions, in particular functions of several complications.
- the invention makes it possible to control at least one function of a watch movement by rotating a control member like a rapid control rod, guaranteeing an automatic return to the neutral position, once the function has been activated.
- the invention also advantageously makes it possible to control two different functions, in particular functions of different complications, independent of each other, by means of a single control member, one of the functions being controlled by said control member like a pusher and the other of the functions being controlled by said control member like a rapid control rod, the automatic return to the neutral position, once the function activated being reliable and therefore guaranteed.
- the single control member combining rotation control and pressure control is a preferred embodiment of the invention, but it is obvious that the control member of the invention can be used only with rotation control, without push function.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22169142.1A EP4266130A1 (fr) | 2022-04-21 | 2022-04-21 | Organe de commande d'au moins une premiere fonction d'un mouvement horloger |
| PCT/EP2023/059902 WO2023202977A1 (fr) | 2022-04-21 | 2023-04-17 | Organe de commande d'au moins une fonction d'un mouvement horloger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4511703A1 true EP4511703A1 (fr) | 2025-02-26 |
| EP4511703B1 EP4511703B1 (fr) | 2026-03-04 |
Family
ID=81346544
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22169142.1A Withdrawn EP4266130A1 (fr) | 2022-04-21 | 2022-04-21 | Organe de commande d'au moins une premiere fonction d'un mouvement horloger |
| EP23719764.5A Active EP4511703B1 (fr) | 2022-04-21 | 2023-04-17 | Organe de commande d'au moins une fonction d'un mouvement horloger |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22169142.1A Withdrawn EP4266130A1 (fr) | 2022-04-21 | 2022-04-21 | Organe de commande d'au moins une premiere fonction d'un mouvement horloger |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP4266130A1 (fr) |
| JP (1) | JP2025513205A (fr) |
| CN (1) | CN119053918A (fr) |
| WO (1) | WO2023202977A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006194834A (ja) * | 2005-01-17 | 2006-07-27 | Seiko Instruments Inc | 携帯時計 |
| CH703455A1 (fr) * | 2010-07-17 | 2012-01-31 | Pibor Iso S A | Couronne et procede d'activation d'une telle couronne sur une boîte de montre. |
| JP2015230270A (ja) * | 2014-06-06 | 2015-12-21 | カシオ計算機株式会社 | 押釦構造および時計 |
| JP6601664B2 (ja) * | 2015-07-29 | 2019-11-06 | カシオ計算機株式会社 | 回転操作装置および時計 |
| CH718356A1 (fr) | 2021-02-16 | 2022-08-31 | Mft Dhorlogerie Audemars Piguet Sa | Organe de commande de plusieurs fonctions d'un mouvement horloger. |
-
2022
- 2022-04-21 EP EP22169142.1A patent/EP4266130A1/fr not_active Withdrawn
-
2023
- 2023-04-17 JP JP2024559185A patent/JP2025513205A/ja active Pending
- 2023-04-17 CN CN202380034326.3A patent/CN119053918A/zh active Pending
- 2023-04-17 EP EP23719764.5A patent/EP4511703B1/fr active Active
- 2023-04-17 WO PCT/EP2023/059902 patent/WO2023202977A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN119053918A (zh) | 2024-11-29 |
| WO2023202977A1 (fr) | 2023-10-26 |
| EP4266130A1 (fr) | 2023-10-25 |
| EP4511703B1 (fr) | 2026-03-04 |
| JP2025513205A (ja) | 2025-04-24 |
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