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
  • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the 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
  • G04B27/00—Mechanical devices for setting the time indicating means
  • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
  • G04B27/06—Mechanical devices for setting the time indicating means by making use of the winding means with rocking bar
• • 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
  • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
• • 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
• • G—PHYSICS
  • G04—HOROLOGY
  • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
  • G04B27/00—Mechanical devices for setting the time indicating means
  • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
  • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel
• • 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
  • G04B37/00—Cases
  • G04B37/08—Hermetic sealing of openings, joints, passages or slits
  • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
  • G04B37/106—Hermetic sealing of openings, joints, passages or slits of winding stems of push buttons

Definitions

• 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 push-crown control device described in publication WO 2005/038538.
• the crown is arranged to be able to occupy a neutral position to actuate the winding, a pulled out position to actuate the time setting, and a pushed in position to actuate a third function.
• the control stem consists of the winding and time-setting stem of the traditional watch which can be moved axially between its neutral position for winding and its pulled-out position for setting the time.
• a specific crown is provided in which an extension tube is added to the end of a push tube in order to be able to activate a control device inside the watch independently of the time-setting winding stem which remains stationary.
• This device has in particular the drawbacks of a complex construction of the crown as well as an adjustment of the position of the crown relative to the control member so as not to have untimely actuation.
• a timepiece comprising a chronograph mechanism generally comprises two different push-buttons for the chronograph functions, one for the START/STOP of the chronograph and the other for its reset.
• the timepiece may include other control members, such as rods, other push-buttons or other latches to perform various functions of correction or selection of complications.
• the timepiece in particular in the case of a wristwatch, then comprises around its case numerous complications control organs, in addition to a possible winding stem, which increases the complexity of the construction as well as the problems of sealing at the level of the box. The multitude of control devices distributed around the middle also detracts from the aesthetics of the watch.
• control rods integrating a pusher have been proposed to form two coaxial control members.
• Document CH 711 600 describes, for example, a push-piece crown of the standard type comprising a push-piece that can move axially with respect to the crown, which, as such, is therefore not movable in axial translation between a rest position and a position pressed to control an actuating member of a mechanism.
• the device comprises a control stem connected to the movement for winding and time-setting and operated by the crown via a central extension.
• a tube actuated by the pusher independently of the control rod and of the crown to control the actuating member.
• Numerous multifunction control mechanisms have also been proposed in which one or the other of the rotation or translation movements is used to select a function and the other movement is used to actuate it, the two actions being attached to the same function. These mechanisms generally have a complex construction and operation.
• an object of the present invention is to propose a control member of the chronograph pusher type making it possible to control functions present in the timepiece, independent of the chronograph mechanism.
• the invention relates to a control member for several different functions of a watch movement, said control member comprising a crown and a control rod arranged to be integral at least in rotation with said crown, said control rod being integral in rotation with a first device for actuating a first function, said crown being arranged to, in response to pressure on the crown, be movable in axial translation between a rest position and a depressed position in which a second function distinct from the first function is actuated, and to resume its rest position when the pressure on the crown ceases, the crown also being arranged to be, in its rest position, movable in axial rotation in at least one direction between at least at least one stable angular position and at least one actuating angular position so as to actuate, by rotation of said crown in said direction, lad ite first function via the rotation of said control rod.
• said control rod is arranged to also be integral in axial translation with said crown so as to be movable in axial translation with the crown when said crown is moved in its depressed position, and to be free in axial translation. relative to the first actuating device when said crown is moved to its depressed position, said control rod being further arranged to cooperate with a second device for actuating said second function when said crown is moved to its depressed position to actuate said second function.
• control member is secured, in particular by preventing the control of the first function when the second function is active.
• the first function is the selection of a chime of a striking mechanism and the second function is the START/STOP function of a chronograph mechanism.
• the first function is the correction of the month of a month indicator mechanism and the second function is the Reset to Zero or Flyback function of a chronograph mechanism.
• FIG. 6 is a schematic view of the control rod of the control member according to the invention arranged to control a Reset or Flyback function of a chronograph mechanism and a month correction function of a mechanism month indicator, of a timepiece, the control member being in its rest position;
• the present invention relates to a control member 1 for several different functions of a watch movement, said control member 1 comprising a crown 2 and a control rod 3 secured at least in rotation to said crown 2.
• Control member 1 is mounted on middle 4 of a watch case of a timepiece so that said crown 2 protrudes from middle 4.
• the control rod 3 is itself integral in rotation with a first device for actuating a first function, examples of which will be detailed below.
• Crown 2 is arranged to, in response to pressure on said crown 2, be movable in axial translation between a rest position shown in Figure 1 and a depressed position shown in Figure 2 in which a second function distinct from the first function is actuated, and to resume its rest position when the pressure on the crown 2 ceases.
• the "rest position" is defined with respect to the movement in axial translation of the crown 2, the rest position then being defined as an unpressed position that the crown assumes when it is not subjected to a pressure force, the rest position designating all the positions in which crown 2 is not in the depressed position.
• Crown 2 is also arranged to be, in its rest position, movable in axial rotation, with control rod 3, in at least one direction between at least one stable angular position and at least one angular actuation position so to actuate, by rotation of said crown 2 in said direction, said first function via the rotation of said control rod 3.
• control rod 3 is arranged to also be integral in axial translation with said crown 2 so as to be movable in axial translation with the crown 2 during the movement of the said crown 2 in its depressed position, and to be free in axial translation relative to the first actuating device, said control rod 3 being arranged to cooperate with a second actuating device of said second function when said crown 2 is moved into its depressed position so as to actuate said second function.
• the crown 2 and the control rod 3, once mounted as will be detailed below, are always united in movement (in rotation and in translation), whether the crown 2 is in its rest position or in the depressed position. , thus constituting one and the same control member 1.
• the expressions “rest position” and “depressed position” are used both for the crown 2 and for the control member 1 as a whole , the control rod 3 always following the movements of the crown 2, whatever they may be.
• the crown 2 comprises a guide tube 6 intended to be fixed by screwing or driving in the middle part 4.
• the tube 6 has a symmetry of revolution with respect to a longitudinal axis A constituting the axis of translation and rotation of the control device 1.
• the crown 2 also comprises a head 8, an axial skirt 10 secured to the head, and a barrel 12 secured to the head 8, the assembly having a symmetry of revolution around the axis A.
• the crown 2 also comprises a piston 14 housed on the one hand inside the barrel 12 and on the other hand in the center of the tube 6, said piston 14 being arranged to be integral in movement with the barrel 12.
• a spring 16 is arranged in a cavity formed between the barrel 12 and the head 8 and between the tube 6 and the piston 14. The spring 16 is arranged to be compressed axially between the head 8 and a shoulder 18 of the tube 6 when pressure is exerted on the crown 2 to move crown 2, and therefore control member 1 also comprising control rod 3, in its depressed position, and to allow crown 2 to be returned to its rest position when pressure on crown 2 ceases .
• the piston 14 and the barrel 12 are movably mounted in the tube 6, the head 8 and the skirt 10 being movably mounted around the tube 6.
• the middle part 4 comprises, around the orifice 20 in which the tube 6 is mounted, a circular groove 22 in which the skirt 10 engages and in which the skirt 10 can move in rotation and in translation along the axis A.
• the piston 14 kinematically connects the head 8 to the control rod 3 by means of a female square drive 24 fixed to the piston 14 by screwing and into which fits a male square 26 provided at the end of the rod.
• control 3 The square end of the control rod 3 is slid, when mounting the movement in the box, in the square drive 24 by its open face. Once fitted, the female square 24 of the crown 2 permanently drives the male square of the control rod 3 in rotation. The bottom of the drive square 24 pushes the end of the control rod 3 in axial translation into the depressed position when pressure is exerted on the crown 2.
• the control rod 3 has its own return spring which maintains its square end in the square drive 24 to bring the control rod 3 when the pressure ceases.
• the control member 1 (crown 2 + control rod 3) can thus be moved in axial translation along the axis A in its depressed position by a user like a pusher and be rotated around the axis A like a control rod 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 includes 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 function or Flyback.
• a chronograph mechanism such as a chronograph mechanism
• the second function is one of the chronograph functions such as the START/STOP function, the Reset function or Flyback.
• the pin 30 is carried by the middle part 4 and is arranged to be able to cooperate with the safety device provided on the control member 1.
• the pin 30 protrudes from the wall of the middle part 4 in the direction of the crown 2 of the control member 1, the longitudinal axis of the pin 30 being perpendicular to the axis A of the control member 1.
• the safety device comprises three notches 28 distributed over the skirt 10 of the crown 2, so as to correspond to the three stable angular positions of the control member 1, and therefore to the three positions selection angles. More particularly, the central notch, which corresponds to the selection position S, is separated by an angle of 90° from each of the other two notches which correspond to the other two selection positions GS and PS, as shown in FIG. 3.
• the notch 28 corresponding to the selected chime is positioned above the pin 30, making possible an axial translation of the control member 1 (crown 2 + control rod 3) in response to pressure on the crown 2, to activate the START/STOP function of the chronograph.
• Controller 1 is ready for a new actuation of the START/STOP function of the chronograph, in response to a new pressure on crown 2.
• control member 1 (crown 2 + control rod 3) is arranged to occupy a central stable angular position and two unstable angular positions, each here being separated from the central stable angular position by an angle of 60°.
• the central stable angular position is guaranteed by the spring 64 and the centering rocker 62 of the control rod 3 arranged to act on a heart 66 connected to the reference 38 (cf. Figure 7).
• the spring 64 and the centering rocker 62 act on the core 66 (see Figures 8 and 9).
• the spring 64 and the centering rocker 62 act on the walls of the core 66 and reposition the actuating device of the correction mechanism in the neutral position and the control member 1 in its central stable angular position.
• the crown 2 and the control rod 3, once mounted, are always integral in movement (in rotation and in translation), whether the crown 2 is in its rest position or in the depressed position, thus constituting a single and same control member 1, which advantageously makes it possible to propose a control mechanism that is simple, robust and more economical to implement.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Measurement Of Unknown Time Intervals (AREA)
• Electric Clocks (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=74732556

Family Applications (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (8)

• 2021
  • 2021-02-16 CH CH00150/21A patent/CH718356A1/fr unknown
• 2022
  • 2022-01-18 CN CN202280015188.XA patent/CN116888540A/zh active Pending
  • 2022-01-18 JP JP2023543388A patent/JP2024505828A/ja active Pending
  • 2022-01-18 US US18/261,574 patent/US20240077834A1/en active Pending
  • 2022-01-18 WO PCT/EP2022/051007 patent/WO2022175002A1/fr active Application Filing
  • 2022-01-18 EP EP22700833.1A patent/EP4295198A1/fr active Pending

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