EP4350450A1 - Punktierbares uhrenmodul mit automatischer verriegelung - Google Patents

Punktierbares uhrenmodul mit automatischer verriegelung Download PDF

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Publication number
EP4350450A1
EP4350450A1 EP22200006.9A EP22200006A EP4350450A1 EP 4350450 A1 EP4350450 A1 EP 4350450A1 EP 22200006 A EP22200006 A EP 22200006A EP 4350450 A1 EP4350450 A1 EP 4350450A1
Authority
EP
European Patent Office
Prior art keywords
mechanical device
clock module
rocker
module according
barrel
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
Application number
EP22200006.9A
Other languages
English (en)
French (fr)
Inventor
Steven DENOREAZ
Julien Leskerpit
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.)
Montres Jaquet Droz SA
Original Assignee
Montres Jaquet Droz SA
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 Montres Jaquet Droz SA filed Critical Montres Jaquet Droz SA
Priority to EP22200006.9A priority Critical patent/EP4350450A1/de
Priority to US18/473,681 priority patent/US20240118662A1/en
Priority to JP2023162909A priority patent/JP2024055787A/ja
Priority to CN202311260558.9A priority patent/CN117850189A/zh
Publication of EP4350450A1 publication Critical patent/EP4350450A1/de
Pending legal-status Critical Current

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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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/03—Alarm signal stop arrangements
    • 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
    • G04B23/023—Driving, e.g. by springs or common drive with the clockwork; gears; escapements

Definitions

  • the field of the invention relates to timepiece modules which can be activated occasionally, the timepiece module comprising means for automatically blocking the operation of the module.
  • the invention relates more particularly to clock modules, such as animation mechanisms or striking mechanisms, which are activated occasionally, and which require an automatic shutdown device after a determined operating time.
  • the invention also relates to a timepiece movement of a timepiece, such as a watch, comprising such a timepiece module.
  • a bell in bell mechanisms, a bell is configured to sound at a given time, for example in the case of an alarm clock function.
  • Other types of chime mechanisms, called minute repeater mechanisms, are chimes that can be activated on demand to indicate the time audibly.
  • animation consist of animating an object by one or more movements, for example an automaton.
  • the animation of the automaton can be programmed at a predetermined time, or be triggered on request by actuation means.
  • these ringing or animation mechanisms have their own drive means, such as a barrel, which is arranged to provide the energy necessary for its operation.
  • a train of cogs linked to the barrel the automaton or the strike is activated.
  • the mechanism can be activated until the barrel is completely unloaded.
  • certain mechanisms include automatic stopping means, to stop the animation or the ringing after a predetermined time, in particular in order to be able to activate the mechanism several times with the same loaded barrel.
  • the document US 3460339 describes an automatic alarm mechanism comprising means for blocking the alarm mechanism.
  • the automatic blocking means comprise a lever cooperating with a rotating cam, the cam comprising a notch to block the lever and prevent the mechanism from operating.
  • the alarm mechanism also includes means for releasing the lever to release the alarm mechanism. When the lever is released from the notch, the mechanism operates as long as the cam makes one revolution, until the lever is retained by the notch.
  • the cam is driven by drive means to which it is connected.
  • the documents EP 2880650 And EP 2880498 describe a watch equipped with an animation mechanism comprising an automaton, here a bird, whose animation is driven by a barrel via a train of cogs.
  • the aim of the present invention is to overcome all or part of the disadvantages cited above by proposing a module timepiece that can be activated occasionally, which can be stopped automatically after a predetermined operating time, while maintaining a reduced volume.
  • the invention relates to a clock module for a clock movement, the clock module comprising a plate and a mechanical device capable of switching from a rest state, in which the mechanical device is stationary relative to the plate, in an operating state, in which at least part of the mechanical device is movable relative to the plate when it is actuated, the timepiece module comprising a barrel for supplying energy to the device mechanical, the mechanical device comprising a train of cogs operable by the barrel, the mechanical device further comprising a speed regulator of the mechanical device, the timepiece module comprising means for automatically blocking the mechanical device.
  • the invention is remarkable in that the automatic blocking means are configured to block the regulator in order to put the mechanical device in the rest state.
  • the timepiece mechanism according to the invention thus offers an innovative technical solution making it possible to automatically stop the mechanical device.
  • the regulator comprises a regulation pinion driven by the barrel when it is rotating via the gear train, the regulation pinion being mounted integrally on a regulation shaft, the automatic blocking means being configured to block the regulating shaft to put the mechanical device in the rest state.
  • the automatic blocking means comprise a brake lever cooperating with the regulating shaft, the brake lever being movable around a first pivot of rotation between a contact position in which it is in contact with the regulating shaft to block it and a position away from the regulating shaft, in which it lets the regulating shaft rotate.
  • the mechanical device is in the rest position when the brake lever is in the contact position, and the mechanical device is in the operating position when the brake lever is in the contact position. remote position.
  • the automatic blocking means comprise a first return spring, acting on the brake rocker to keep it in the contact position.
  • the automatic blocking means comprise a rotary cam and a movable body cooperating with the rotary cam, the movable body being movable between a blocking position, in which the mechanical device is in the rest state, and a withdrawn position, in which the mechanical device is in the operating state.
  • the rotating cam is mounted integral with the barrel.
  • the rotary cam is provided with at least one notch
  • the movable body is provided with a finger, the finger being inserted in the notch of the rotary cam, when the movable body is in the blocking position, and the finger being outside the notch, when the mobile body is in the withdrawn position.
  • the mobile body remains in contact with the rotating cam in the operating state of the mechanical device.
  • the mobile body is configured to automatically move from the withdrawn position to the blocking position after a predefined time.
  • the predefined time corresponds to one revolution of the barrel.
  • the automatic blocking means comprise an intermediate rocker carrying the movable body, the intermediate rocker being movable around a second pivot of rotation.
  • the intermediate rocker is configured to actuate the brake rocker to move it from the contact position to the remote position, the intermediate rocker being mechanically linked to the brake rocker.
  • the automatic blocking means comprise actuation means on demand making it possible to move the mobile body from the blocking position to the withdrawal position.
  • the actuation means comprise a rotary control rocker around a third pivot of rotation between an initial position and a depressed position, the control rocker actuating the intermediate rocker when it is in the depressed position.
  • the actuation means comprise a second return spring acting on the control rocker to return it to the initial position.
  • the automatic blocking means comprise a ratchet wheel cooperating with the control rocker.
  • the invention also relates to a clock movement comprising such a clock module.
  • the invention also relates to a timepiece comprising such a clockwork movement.
  • the invention relates to a clock module 1 for a clock movement.
  • the clock module 1 comprises a plate 2 on which the parts of the module 1 are arranged.
  • the clock module 1 comprises in particular a mechanical device 10 capable of being triggered punctually, for example a mechanical device for animating an automaton in this embodiment.
  • the mechanical device 10 can go from a rest state, in which the mechanical device 10 is stationary relative to the plate 2, to an operating state in which the mechanical device 10 is movable relative to the plate 2 when it is activated.
  • the mechanical device 10 comprises a train of cogs 20, for example configured to drive the automaton. Thus, by operating the cogs 20, the mechanical device 10 is in operating condition.
  • the mechanical device 10 comprises a regulator provided with a regulating pinion 19 mounted integrally on a regulating shaft 15.
  • the regulating shaft 15 is movable in rotation to allow the rotation of the pinion of regulation 19.
  • regulators There are different types of regulators, some regulators being friction, and others brake by magnetic field.
  • the regulators which are well known to those skilled in the art, prevent too rapid rotation of the shaft by retaining it using friction or using a magnetic brake.
  • the rotation speed of the regulating shaft 15 and therefore of the regulating pinion 19 is controlled by the regulator.
  • the clock module 1 comprises a barrel 3.
  • the barrel 3 comprises a cylindrical housing provided with peripheral external teeth 6.
  • the housing is arranged to include a barrel spring inside, so as to rotate the housing and the peripheral external teeth 6 around an axis of rotation .
  • the cog train 20 comprises two gear wheels arranged on the plate: a first wheel set provided with a first toothed wheel 9 and a first toothed pinion 13 arranged on the first toothed wheel 9, and a second wheel set provided with a second toothed wheel 11 and a second toothed pinion (not visible in the figures), arranged under the second toothed wheel 11.
  • the gear train 20 further comprises a third toothed wheel 12.
  • the first mobile, the second mobile and the third toothed wheel 12 are arranged one after the other.
  • the first toothed wheel 9 is arranged partly under the barrel 3.
  • the second toothed wheel 11 is arranged partly above the first toothed wheel 11, and the third toothed wheel 12 is arranged near the second toothed wheel 11.
  • the first pinion 13 is meshed by the external teeth 6 of the barrel 3, and the second pinion is meshed by the first gear wheel 9.
  • the third toothed wheel 12 is meshed by the second toothed wheel 11.
  • the barrel 3 When the barrel 3 begins to rotate, it drives the first mobile, the second mobile, and the third toothed wheel 12.
  • the regulating pinion 19 and the regulating shaft 15 are driven by the barrel 3 when it is in rotation via the gear train 20, the regulating pinion 19 being meshed by the third toothed wheel 12.
  • the rotation speed of the gear train 20 is therefore regulated by the regulator so that the rotation and therefore the animation of the automaton is controlled.
  • the timepiece module 1 comprises automatic blocking means 30 of the mechanical device 10.
  • the automatic blocking means 30 are configured to be able to block the mechanical device 10 in a rest state and leave it in an operating state for a predetermined period of time.
  • the automatic blocking means 30 comprise a rotary cam 4, the rotary cam 4 being arranged to rotate around an axis of rotation.
  • the cam has a peripheral face provided with a notch 5.
  • the rotating cam 4 is mounted on the barrel 3, and is integral with the rotation of the barrel 3.
  • the circular peripheral face of the rotating cam 4 overcomes the peripheral teeth 6 of the barrel 3.
  • the notch 5 is formed in the peripheral face, and has a curved shape towards the inside of the rotating cam 4.
  • the automatic blocking means 30 further comprise a movable body 7 provided with a finger 26 extending towards the rotating cam 4.
  • the movable body 7 has a substantially parallelepiped shape, the finger 26 extending laterally in the plane of the rotating cam 4.
  • the movable body 7 is movable between a blocking position in which the finger 26 is inserted in the notch 5 of the rotating cam 4, and a withdrawal position in which the movable body 7 is moved away from the rotating cam 4, so that finger 26 remains outside notch 5.
  • the movable body 7 As shown on the Figure 5 , during the rotation of the rotary cam 4, the movable body 7 remains in the retracted position, the tip of the finger 26 of the movable body 7 being in contact with the peripheral face of the rotary cam 4 while it rotates with the barrel 3 More precisely, the movable body 7 experiences a restoring force, which holds it against the rotating cam 4.
  • the origin and effect of the restoring force are described further in the description in paragraphs 68 to 70.
  • the mobile body 7 automatically moves into the blocking position, when the finger 26 can be inserted into the notch 5, as shown in Figure 6 .
  • the movable body 7 is no longer pushed back by the peripheral face of the rotating cam 4 in the withdrawn position, and the finger 26 can return to the blocking position, the finger 26 fitting into notch 5.
  • the barrel 3 when the movable body 7 is in the withdrawn position, the barrel 3 makes a turn until the notch 5 is again facing the finger 26 of the movable body 7. Indeed, as the rotary cam 4 has a single notch 5, the barrel 3 makes an entire revolution before the automatic blocking means 30 stop it again.
  • the rotating cam has two or more notches, so that the barrel and the mechanical device are stopped at each notch. Consequently, the mechanical device operates only during rotation of the barrel between two notches, that is to say for a period of less than one revolution of the barrel.
  • the automatic locking means 30 comprise an intermediate rocker 8 arranged on the plate 2, the mobile body 7 being mounted at a first end 27 of the intermediate rocker 8.
  • the intermediate rocker 8 is mounted on a second rotation pivot 21 to be able to tilt and modify the position of the movable body 7 from the blocking position to the withdrawal position.
  • the intermediate rocker 8 has a curved shape comprising at the front two substantially parallel arms curved and connected to the first end 27, the two arms delimiting an open space.
  • the seesaw intermediate 8 comprises a third curved arm extending rearwardly to form a second end 28 of the intermediate rocker 8.
  • the three arms are connected by an intermediate joint 29 provided with the second rotation pivot 21.
  • a restoring force is applied to the second end 28 of the intermediate rocker 8 to keep the movable body 7 in contact with the peripheral face of the rotating cam 4 by the finger 26.
  • a spring effect is obtained, which pushes the first end 27 of the intermediate rocker 8 towards the rotating cam 4, in order to automatically return the movable body 7 to the blocking position, when the notch 5 of the peripheral face is opposite the finger 26.
  • the clock module 1 comprises a brake rocker 14 configured to come into contact with the regulating shaft 15 to prevent it from rotating.
  • the brake rocker 14 comprises a first end 31 provided with a nose capable of coming into contact with the regulating shaft.
  • the mechanical device 10 is in the rest position when the brake lever 14 is in the contact position, and the mechanical device 10 is in the operating position when the brake lever 14 is in the remote position.
  • the mechanical device 10 is stopped when the brake lever 14 is in the contact position.
  • the mechanical device 10 is stopped by the blocking of the regulating shaft 15 by the brake rocker 14.
  • the gear train 20 can no longer rotate because the regulating pinion 19 holds the third wheel 12.
  • the mechanical device 10 is not stopped, by blocking the barrel 3, when the finger 26 of the movable element 7 is inserted in the notch 5 of the rotating cam 4.
  • the movable 7, the finger 26 and notch 5 only have the function of triggering the blocking of the device mechanical 10, by causing the brake rocker 14 to tilt into the contact position with the regulating shaft 15 after the predefined time.
  • the automatic blocking means 30 are configured to simultaneously block the rotation of the barrel 3 and the rotation of the regulating shaft 15.
  • the finger 26 of the movable element 7 enters the notch 5 of the rotating cam 4, the barrel 3 is blocked, and simultaneously, the lever lever 14 passes into the contact position with the regulating shaft 15 to block it.
  • the brake rocker 14 is rotatably mounted around a first rotation pivot 22 to be able to switch from a position of contact with the regulating shaft 15 to a remote position to leave it free to rotate.
  • the brake rocker 14 has an elbow shape, the first rotation pivot 22 being arranged on the curvature of the elbow.
  • the automatic blocking means 30 also include a first return spring 16, which presses on the first end 31 of the brake rocker 14 to keep it in contact with the regulating shaft 15, in the contact position.
  • the first return spring 16 comprises a curved flexible blade attached to the plate on one side and free on the other, the free part being folded over a first pin extending from the first end 31 of the brake lever 14.
  • the brake lever 14 comprises a second end 32 on which the second end 28 of the intermediate lever 8 rests.
  • the second end 32 of the brake lever 14 is provided with a pin 33 extending in the plane of the intermediate rocker 8.
  • the pin of the brake rocker 14 presses on the second end 28 of the intermediate rocker 8.
  • the timepiece module 1 further comprises actuation means on demand making it possible to tilt the intermediate rocker 8 and consequently the brake rocker 14, so that the mobile body 7 is moved from the blocking position to the withdrawal position, and the regulating shaft 15 is simultaneously released.
  • the actuation means comprise a control rocker 18 rotatably mounted around a third rotation pivot 23.
  • the control rocker 18 comprises a first end 35 forming an actuation button.
  • the control rocker 18 has an elbow shape provided with a short segment comprising the first end 35, and a long segment in the middle of which the third rotation pivot 23 is arranged.
  • the second end 36 of the control rocker 18 is at the end of the long segment.
  • the control rocker 18 is partly mounted below the intermediate rocker 8.
  • the control rocker 18 further comprises a hook 37 rotatably mounted at the second end 36 of the control rocker 18.
  • the hook 37 cooperates with a ratchet wheel 34 arranged near the second end 36 of the control rocker 18.
  • the automatic blocking means 30 comprise a second return spring 17 similar to the first return spring 16, which is configured to press on the hook 37, in order to exert a force tending to bring it into relation with the ratchet wheel 34.
  • the control rocker 18 is also connected to the intermediate rocker 8 by an oblong through hole 25 surrounding a stud 24 mounted on the intermediate rocker 8.
  • the control rocker 18 pivots, it pulls on the stud 24 of the intermediate rocker 8, to tilt it in turn, so as to move the movable body 7 into the retracted position to release the barrel 3.
  • the intermediate rocker 8 presses the brake rocker 14 in order to release the regulating shaft 15 the regulating pinion 19, and therefore the mechanical device 10, which goes into the operating position.
  • control rocker 18 returns to its initial position thanks to the second return spring 16, when the user releases the end 35, while the intermediate rocker 8 and the brake rocker 14 remain substantially in the same positions as long as the The mobile element 7 remains in the withdrawn position.
  • the intermediate rocker 8 returns to its initial position.
  • the brake rocker 14 no longer being pushed by the intermediate rocker 8, it also returns to its position of contact with the regulating shaft 15 thanks to the return force provided by the first return spring 16, and thus blocks the regulating pinion 19 and the cogs 20 of the mechanical device 10.
  • the mobile body 7 also blocks the rotation of the barrel 3 when the finger 26 is inserted into the notch 5 of the rotating cam 4.
  • the mechanical device 10 of the clock module 1 is stopped after one revolution of the barrel 3, but it can be started again by operating the control rocker 18, as long as the barrel 3 is not completely discharged.
  • the invention also relates to a timepiece movement comprising a timepiece module 1 as described above, as well as a timepiece comprising such a timepiece movement.

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Control Devices (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP22200006.9A 2022-10-06 2022-10-06 Punktierbares uhrenmodul mit automatischer verriegelung Pending EP4350450A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP22200006.9A EP4350450A1 (de) 2022-10-06 2022-10-06 Punktierbares uhrenmodul mit automatischer verriegelung
US18/473,681 US20240118662A1 (en) 2022-10-06 2023-09-25 Horological module actuatable at isolated moments, comprising automatic locking means
JP2023162909A JP2024055787A (ja) 2022-10-06 2023-09-26 自動ロック手段を含む、散発的な瞬間に作動可能な時計モジュール
CN202311260558.9A CN117850189A (zh) 2022-10-06 2023-09-27 可在孤立时刻致动的包括自动锁定机构的钟表模块

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22200006.9A EP4350450A1 (de) 2022-10-06 2022-10-06 Punktierbares uhrenmodul mit automatischer verriegelung

Publications (1)

Publication Number Publication Date
EP4350450A1 true EP4350450A1 (de) 2024-04-10

Family

ID=83688606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22200006.9A Pending EP4350450A1 (de) 2022-10-06 2022-10-06 Punktierbares uhrenmodul mit automatischer verriegelung

Country Status (4)

Country Link
US (1) US20240118662A1 (de)
EP (1) EP4350450A1 (de)
JP (1) JP2024055787A (de)
CN (1) CN117850189A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460339A (en) 1965-12-14 1969-08-12 Tissot Horlogerie Automatic alarm mechanism for timepiece
EP2880650A1 (de) 2012-07-31 2015-06-10 Montres Jaquet Droz SA In eine armbanduhr integrierbare pfeifvorrichtung
EP2880498A1 (de) 2012-07-31 2015-06-10 Montres Jaquet Droz SA Armbanduhr mit einer animation über dem ziffernblatt
CH712642A2 (fr) * 2016-07-01 2018-01-15 Montres Breguet Sa Pièce d'horlogerie comprenant un dispositif de commutation d'un mécanisme horloger.
CH714938A2 (fr) * 2018-04-27 2019-10-31 Montres Jaquet Droz Sa Mécanisme d'animation d'un élément décoratif d'une pièce d'horlogerie.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460339A (en) 1965-12-14 1969-08-12 Tissot Horlogerie Automatic alarm mechanism for timepiece
EP2880650A1 (de) 2012-07-31 2015-06-10 Montres Jaquet Droz SA In eine armbanduhr integrierbare pfeifvorrichtung
EP2880498A1 (de) 2012-07-31 2015-06-10 Montres Jaquet Droz SA Armbanduhr mit einer animation über dem ziffernblatt
CH712642A2 (fr) * 2016-07-01 2018-01-15 Montres Breguet Sa Pièce d'horlogerie comprenant un dispositif de commutation d'un mécanisme horloger.
CH714938A2 (fr) * 2018-04-27 2019-10-31 Montres Jaquet Droz Sa Mécanisme d'animation d'un élément décoratif d'une pièce d'horlogerie.

Also Published As

Publication number Publication date
US20240118662A1 (en) 2024-04-11
JP2024055787A (ja) 2024-04-18
CN117850189A (zh) 2024-04-09

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