EP3904967A1 - Steuervorrichtung eines uhrwerkmechanismus - Google Patents

Steuervorrichtung eines uhrwerkmechanismus Download PDF

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Publication number
EP3904967A1
EP3904967A1 EP20171993.7A EP20171993A EP3904967A1 EP 3904967 A1 EP3904967 A1 EP 3904967A1 EP 20171993 A EP20171993 A EP 20171993A EP 3904967 A1 EP3904967 A1 EP 3904967A1
Authority
EP
European Patent Office
Prior art keywords
control
wheel
drive wheel
drive
main
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
Application number
EP20171993.7A
Other languages
English (en)
French (fr)
Other versions
EP3904967B1 (de
Inventor
Cédric Mentzer
Nicolas SCHLAPPI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP20171993.7A priority Critical patent/EP3904967B1/de
Publication of EP3904967A1 publication Critical patent/EP3904967A1/de
Application granted granted Critical
Publication of EP3904967B1 publication Critical patent/EP3904967B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0833—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting perpendicular to the plane of the movement
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • G04B11/008—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices) with friction members, e.g. click springs or jumper
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/03—Alarm signal stop arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

  • the present invention relates to a device for controlling a watch mechanism comprising a control wheel comprising a control cam arranged to be able to be actuated in order to pivot in several predefined angular positions in order to cause, at each of its actuations, said watch mechanism to pass alternately. from a first position to a second position, a first control member, and a pivotally mounted main control operable by said first control member.
  • the present invention also relates to a watch movement comprising said control device.
  • Such a control device is for example a START / STOP control of a chronograph mechanism, comprising a column wheel, and making it possible to alternately control the opening and closing of the clamps of a clutch device, for the start. and stopping the chronograph, by a succession of pressures exerted by a user on a control member, such as a pusher.
  • This type of control device makes it possible to actuate a column wheel to control a mechanism only by the action of a user.
  • the present invention relates to a control device for a watch mechanism comprising a control wheel comprising a control cam arranged to be able to be actuated in order to pivot in several predefined angular positions in order to change, at each of its actuations, said watch mechanism alternately from a first position at a second position, a first control member, and a pivotally mounted main control operable by said first control member
  • said control device comprises a pivotally mounted secondary control, linked to the main control by an elastic member, a second control member, and a mechanism for locking in rotation of said secondary control with the main control arranged to be able to be controlled by the main control and by said second control member.
  • the control wheel comprises a first drive wheel integral with the control cam and arranged to be actuated by the secondary drive and a second drive wheel arranged to be actuated by the main drive, said second drive wheel. drive being connected to said first drive wheel by an elastic coupling element arranged to securely connect the second drive wheel in rotation to the first drive wheel when only the second drive wheel is actuated.
  • the locking mechanism and the secondary control are arranged to occupy a locked state in which the elastic member is armed and the secondary control is integral in rotation with the main control allowing, when the main control is actuated, to actuate the control wheel simultaneously by the main and secondary controls, and to be able to pass, in the event of actuation of the locking mechanism by the second control member, into an unlocked state in which said secondary control is disconnected from the main control and actuates , only, the control wheel, the elastic member disarming, and then pass through a locking position, by actuation of the main control, in which only the main control actuates the control wheel by means of the 'elastic coupling element, said main control being arranged to, when going into the locking position, reset the gold elastic gane and cooperate with the locking mechanism of the secondary control to return to the locked state.
  • control device makes it possible to be able to be controlled by the main control, for example manually by the external control member, and by the secondary control automatically thanks to the energy supplied by the elastic member. who disarms himself.
  • the elastic coupling element has a first end integral with the first drive wheel and a second end in contact with the second drive wheel arranged to securely connect the second drive wheel in rotation to the first wheel. drive when only the second drive wheel is actuated by the main control and to separate the second drive wheel from the first drive wheel when only the first drive wheel is actuated by the secondary control.
  • the secondary control is pivotally mounted on the main control.
  • the locking mechanism comprises a control rocker arranged to be controlled by the second control member to pass to the unlocked state and to then be able to cooperate with the main control to pass into the locked position then in the locked state and a locking hook arranged to be controlled by said control rocker to switch to the unlocked state and to then be able to cooperate with the secondary control to switch to the locked position and then to the locked state.
  • the main control comprises a first pin arranged to cooperate with the locking mechanism to move it to the locked position and then to the locked state.
  • the main control comprises an arm carrying said first pin and on which the locking hook is pivotably mounted.
  • control lever comprises a finger arranged to cooperate with said first pin and a second pin arranged to cooperate with the locking hook to switch it to the unlocked state.
  • the first control member is external and the second control member is internal.
  • the second drive wheel is identical and superimposed on the first drive wheel.
  • control wheel is a column wheel, the control cam comprising columns perpendicular to the first and second drive wheels and the first and second drive wheels being ratchet wheels.
  • the present invention also relates to a horological movement and to a timepiece comprising such a control device.
  • said watch movement comprises a chronograph mechanism configured to be able to be kinematically connected to a base movement by a clutch device controlled by said control device.
  • the present invention relates to a control device 1 of a watch mechanism, which is in this example a vertical clutch device 2 of a chronograph mechanism.
  • the chronograph mechanism is shown here schematically by a mobile chronograph driver 4 arranged to be able to be kinematically connected to the seconds wheel 6 of a basic watch movement indicating the current time by said vertical clutch device 2.
  • Said device of vertical clutch 2 comprises a clutch control clamp 8 and a clutch clamp 10 arranged to move apart and be placed in the open position when the chronograph is activated to start a count, so as to engage the second wheel 6 and the chronograph driving mobile unit 4 making it possible to transmit to the chronograph mechanism the energy of the basic movement for its operation, and to reposition itself in the closed position to stop the chronograph.
  • clutch device could be lateral, or replaced by a differential, the construction of the movement being adapted by those skilled in the art to this type of clutch.
  • the control device 1 comprises a first control member 12, here an external control member, subjected to the action of a user, such as a pusher, and a main control 14 pivotally mounted at A and actuated by said first control member 12.
  • the main control 14 comprises a lateral arm 15 carrying a through pin 17, and is terminated by a hook 14a, the roles of which will be explained below.
  • the control device 1 also comprises a control wheel 16 comprising a control cam 18 arranged to be able to be actuated in order to pivot successively in several predefined angular positions to cause, at each of its actuations, the clutch device 2 of the 'one to the other of its open and closed positions alternately, so as to trigger and then stop the chronograph mechanism.
  • the control cam 18 comprises columns 18a arranged to create full and empty spaces which make it possible to direct the movements of the clutch control clamp 8 in support. This type of column control cam is well known to those skilled in the art.
  • the control device 1 comprises a secondary control 20 terminated by a hook 20a, and pivotally mounted at A on the main control 14.
  • the hook 14a of the main control 14 and the hook 20a of the secondary control 20 are arranged identically on their respective control, so that, when the secondary control 20 is in the locked state described below, said hooks 14a and 20a are superimposed.
  • the secondary control 20 is linked to the main control 14 by means of an elastic member 22, of the leaf spring type, one end 22a of which is integral with the main control 14 and the other end 22b presses on a pin 24. provided on the secondary control 20.
  • the control device 1 also comprises a second control member 26, which is internal to the movement, linked to another movement mechanism represented schematically by the reference 28.
  • Said control member 26 is arranged to act automatically. on the control device 1, via an "internal" actuation, without manual intervention, when this is requested by said other mechanism 28.
  • the second control member can be a hook mounted to pivot and arranged to cooperate with a control mechanism. end of counting, and in particular an end of countdown mechanism, to actuate the control device 1 in order to automatically switch the clutch device 2 to the closed position so as to stop the chronograph at the end of the countdown.
  • the control device can also be used in an alarm clock, a grand bell or a minute repeater, the first control member, external, manually controlling a bell, the second control member being arranged to cooperate with a bell mechanism for a automatic stop of said ringing when necessary.
  • the control wheel 16 comprises a first drive wheel 30 integral with the control cam 18 and arranged to be actuated by the hook 20a of the secondary drive 20, and a second drive wheel 32 arranged to be actuated by the hook 14a of the main control 14.
  • the first and second drive wheels 30 and 32 are identical, with the same number of teeth, and are superimposed coaxially, without a phase shift of one with respect to the other.
  • the first and second drive wheels 30 and 32 are ratchet wheels, and the columns 18a of the control cam 18 are arranged perpendicular to said first and second drive wheels 30 and 32, so that the control wheel 16 formed by the drive wheels 30, 32 and the control cam 18 is of the column wheel type.
  • the mechanism being two-stroke, the drive wheels 30 and 32 include twice as many teeth as columns 18a on the control cam 18.
  • the first and second drive wheels 30, 32 are mounted to rotate freely about the same axis (not shown) integral with a frame element of the movement.
  • the second drive wheel 32 is connected to the first drive wheel 30 by an elastic coupling element 34, such as a pawl spring, arranged to securely connect in rotation the second drive wheel 32 to the first wheel drive 30 when only the second drive wheel 32 is actuated by the hook 14a of the main control 14 if the secondary control 20 has gone to the unlocked state and then only the main control 14 is activated during the next manual actuation via the first control member 12.
  • the elastic coupling element 34 has a first end 34a made integral with the first drive wheel 30 by means of a pin for example, for which only the introduction orifice 36 has been shown on the first drive wheel 30.
  • the elastic coupling element 34 also comprises a second end 34b in contact with an internal wall 32a of the second drive wheel. ment 32.
  • Said internal wall 32a has the shape of a toothing configured so that the second end 34b of the elastic coupling element 34 constitutes a pawl, so as to securely connect in rotation the second drive wheel 32 to the first drive wheel 30 when only the second drive wheel 32 is actuated by the hook 14a of the main drive 14, and to separate the second drive wheel 32 from the first drive wheel 30 when only the first drive wheel 30 is actuated by the hook 20a of the secondary control 20.
  • control device 1 also comprises a mechanism for locking in rotation the secondary control 20 on the main control 14, arranged to be able to be controlled by the first control member 12 of said main control 14 and by the second control unit 26.
  • the locking mechanism and the secondary control 20 are arranged to occupy a locked state in which the elastic member 22 is armed and the secondary control 20 is integral in rotation with the main control 14 allowing, during manual actuation of said control main 14, to actuate the control wheel 16 simultaneously by the hook 14a of the main control 14 acting on the first drive wheel 30 and by the hook 20a of the secondary control 20 acting on the second drive wheel 32, the elastic coupling element 34 then being neutral.
  • the locking mechanism and the secondary control 20 are also arranged to be able to pass through.
  • an unlocked state in which said secondary control 20 is disconnected from the main control 14 and, thanks to the energy supplied by the elastic member 22 which disarms, actuates only the control wheel 16, via the first drive wheel 30 only, and then to switch, during the next manual actuation of the main control 14, by a locked position before returning to the locked state, a locked position in which only the main control 14 actuates the control wheel 16 via the second drive wheel 32 and the coupling element elastic 34, said main control 14 being arranged to, when going into the locking position, reset the elastic member 22 and, by means of its pin 17 carried by its arm 15, cooperate with the locking mechanism of the control secondary 20 to return to the locked state.
  • the locking mechanism comprises a control rocker 38, pivotally mounted in B.
  • Said control rocker 38 comprises at a first end a spout 38a, arranged to be controlled by the second control member 26 activated by the mechanism 28 to do so. switch counterclockwise and go to the unlocked state.
  • the control rocker 38 comprises at a second end a finger 38b arranged to be able to cooperate with the pin 17 of the main control 14, during its next manual actuation, to make it tilt clockwise and pass into the locking position then in the locked state.
  • the control lever 38 also carries a pin 39, the role of which will be described below.
  • the locking mechanism also comprises a locking hook 40 pivotally mounted in C on the arm 15 of the main control 14.
  • the locking hook 40 comprises a first arm 40a having at its end a hook 40b arranged to mate with a hook. 20b provided on the secondary control 20 in order to lock said secondary control 20 in rotation on the main control 14 in the locked state.
  • the locking hook 40 also comprises a second arm 40c arranged to be able to come to bear and cooperate with the pin 39 of the control rocker 38 so that the locking hook is controlled by said control rocker 38 actuated by the second control member 26 to pivot counterclockwise and switch to the state unlocked.
  • the locking hook 40 also comprises a third arm 40d arranged to cooperate with a return spring 42.
  • the locking hook 40 is also designed to then be able to cooperate with the secondary control 20, during the next manual actuation of the main control 14, to go into the locking position, then to the locked state. More specifically, the hook 40b of the locking hook 40 has a nose whose blank has a geometry adapted to that of the blank of the nose of the hook 20b of the secondary control 20 so that the locking hook 40 cooperates with the secondary control 20 during the next manual actuation of the main control 14, can pivot counterclockwise and go into the locking position with the hook 20b of said secondary control 20, then rotate clockwise and return to the locked state.
  • control device is a START / STOP control of a countdown chronograph mechanism, the watch mechanism to be controlled being the chronograph clutch device, the second control member 26 being a hook controlled by a end of count mechanism 28 arranged to pivot said second control member 26 at the end of the count.
  • the starting STOP position is shown on the figure 1 , in which the control device 1 is ready to operate.
  • the Countdown chronograph mechanism is inactive. Only the 6 second wheel of the basic watch movement turns.
  • the secondary control 20 and the locking mechanism are in the locked state, the hook 40b of the locking hook 40 being coupled to the hook 20b of the secondary control 20 and its first arm 40a is supported on the pin 17 of the main control. 14.
  • the secondary control 20 is therefore locked in rotation with the main control 14, the elastic member 22 being armed.
  • the secondary control 20 is superimposed on the main control 14 so that their hooks 20a and 14a are superimposed, the hook 20a cooperating with the first drive wheel 30 of the control wheel 16 and the hook 14a cooperating with the second wheel d drive 32.
  • the control wheel 16 is positioned so that the clutch control clamp 8 is in a vacuum between two columns 18a of the control cam 18, positioned with the other clamp 10 in the closed position to disengage the clutch.
  • the control lever 38 is held by its beak 38a by the second control member 26.
  • the clutch control clamp 8 mounts on a column 18a so that it rotates clockwise, the other clamp 10 rotates counterclockwise to position itself in the open position to engage the second wheel 6 and the cellphone chronograph trainer 4 to start the chronograph.
  • the control rocker 38 remains in the locked state, blocked by the second control member 26.
  • the START phase ends with the return of the main control 14 to its initial position under the action of its return spring, represented by the arrow F '.
  • the secondary control 20 still locked on the main control 14 by the locking hook 40 also returns to its initial position, superimposed on the main control 14. The count is in progress.
  • the secondary control 20 is integral in rotation with the main control 14.
  • the user can make successive presses on the first control member 12 to chain STOP and START phases by making, on each press on the first member of control 12, turn the control wheel 16 by one step by simultaneously pulling the hooks 20a and 14a on its drive wheels 30, 32 respectively, to alternately close and reopen the clamps 8 and 10, in the same way as 'explained above.
  • the control lever 38 released, pivots sufficiently so that its pin 39 comes, in its course, to cooperate with the second arm 40c of the locking hook 40 so as to cause the locking hook 40 to pivot in the counterclockwise direction.
  • the locking hook 40 then goes into the unlocked state, its hook 40b having moved away and separated from the hook 20b of the secondary control 20.
  • the secondary control 20 is then also in the unlocked state, separated from the main control 14. , so that, thanks to the energy supplied by the elastic member 22 which disarms, said released secondary control 20 pivots only in A in the clockwise direction by actuating, by its hook 20a, the first drive wheel 30 of the control wheel 16 counterclockwise.
  • the automatic function of the secondary control 20 is made operational again for the next use of the chronograph, thanks to the passage of the locking mechanism in its locked position when the next START is triggered following a new pressure from the user on the first control unit12, before returning to the locked state.
  • the secondary control 20 being in its unlocked state, free and disconnected in rotation from the main control 14, only the main control 14 pivots at A to actuate the control wheel 16, its hook 14a actuating the second drive wheel 32 of the control wheel 16 counterclockwise, rotating counterclockwise the first drive wheel 30, the hook 20a having no effect, and therefore the control cam 18, via the coupling produced by the elastic coupling element 34, as described above.
  • the rotation of one step of the control cam 18 controls a new opening of the clamps 8 and 10.
  • the main control 14 by tilting allows the resetting of the elastic member 22.
  • its pin 17 comes, in its course, to cooperate with the finger 38b of the rocker. control 38, so as to make it pivot at B in the clockwise direction, in the locked position, by retracting the second control member 26.
  • the control lever 38 also allows the re-winding of its return spring .
  • the hook 40b of the locking hook 40 on board the main control 14, comes into contact with the hook 20b of the secondary control 20, the geometry of the blanks of the noses of said hooks 20b and 40b causing the locking hook to rotate. 40 in C counterclockwise.
  • the locking hook 40 is released to pass into the locking position in order to allow the main control 14 to return to superimpose itself on the secondary control 20 without being hampered.
  • This START phase ends with the return to the initial position of the main control 14, under the action of its return spring, as well as of the secondary control 20, again in the locked state on the control. main 14 by means of the locking hook 40.
  • the control rocker 38 has also returned to the locked state, maintained by the second control member 26.
  • the automatic function of the secondary control 20 is again operational. This position in the locked state is identical to that of the figure 5 .
  • the present invention makes it possible to have a control device for a watch mechanism that can be operated by a user, but also by an internal control linked to another mechanism of the movement, so as to have an automatic control, in addition to 'manual control of said mechanism.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP20171993.7A 2020-04-29 2020-04-29 Steuervorrichtung eines uhrwerkmechanismus Active EP3904967B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20171993.7A EP3904967B1 (de) 2020-04-29 2020-04-29 Steuervorrichtung eines uhrwerkmechanismus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20171993.7A EP3904967B1 (de) 2020-04-29 2020-04-29 Steuervorrichtung eines uhrwerkmechanismus

Publications (2)

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EP3904967A1 true EP3904967A1 (de) 2021-11-03
EP3904967B1 EP3904967B1 (de) 2022-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023119079A1 (fr) * 2021-12-21 2023-06-29 Manufacture D' Horlogerie Audemars Piguet Sa Dispositif de bascule d'un mécanisme horloger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR326792A (fr) * 1902-11-28 1903-06-06 Ancienne Manufacture D Horloge Double chronographe
US3042762A (en) * 1960-11-17 1962-07-03 Prec Coin Devices Inc Electric timing mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR326792A (fr) * 1902-11-28 1903-06-06 Ancienne Manufacture D Horloge Double chronographe
US3042762A (en) * 1960-11-17 1962-07-03 Prec Coin Devices Inc Electric timing mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023119079A1 (fr) * 2021-12-21 2023-06-29 Manufacture D' Horlogerie Audemars Piguet Sa Dispositif de bascule d'un mécanisme horloger

Also Published As

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