EP3786725A1 - Entkupplung von zwei übersetzungsgetrieben - Google Patents

Entkupplung von zwei übersetzungsgetrieben Download PDF

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Publication number
EP3786725A1
EP3786725A1 EP19193606.1A EP19193606A EP3786725A1 EP 3786725 A1 EP3786725 A1 EP 3786725A1 EP 19193606 A EP19193606 A EP 19193606A EP 3786725 A1 EP3786725 A1 EP 3786725A1
Authority
EP
European Patent Office
Prior art keywords
mobile
clockwork
disengaging
move
clutch
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
EP19193606.1A
Other languages
English (en)
French (fr)
Inventor
Timothée JEANRENAUD
Bernat Monferrer
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.)
Omega SA
Original Assignee
Blancpain 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 Blancpain SA filed Critical Blancpain SA
Priority to EP19193606.1A priority Critical patent/EP3786725A1/de
Priority to US16/926,021 priority patent/US11733654B2/en
Priority to JP2020126160A priority patent/JP7165164B2/ja
Priority to KR1020200107200A priority patent/KR102479157B1/ko
Priority to CN202010872612.5A priority patent/CN112433457B/zh
Publication of EP3786725A1 publication Critical patent/EP3786725A1/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
    • 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
    • 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)
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • 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
    • G04B11/02—Devices allowing the motion of a rotatable part in only one direction
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/025—Wheels; Pinions; Spindles; Pivots with elastic means between the toothing and the hub of a toothed 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/028—Wheels; Pinions; Spindles; Pivots wheels in which the teeth are conic, contrate, etc; also column wheels construction
    • 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
    • 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
    • G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
    • 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
    • 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
    • G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement

Definitions

  • the field of the present invention relates to that of horology and more particularly that of clockwork cogs making it possible to disengage a gear train.
  • the part to be descended is moved in a space which is achievable in a simple watch, but the task is more delicate when the watch has a limited space on the one hand.
  • this arrangement it is possible to keep the clockwork wheel in position while disengaging the mechanism. Furthermore, the intermediate mobile can be in motion and in contact with the first mobile while being disengaged from the second mobile, or vice versa, which makes it possible, during engagement, to avoid tooth-to-tooth contact because the intermediate mobile continues to move. to be in motion thanks to this provision. Indeed, this clockwork train makes it possible to disconnect two sets of gears and to maintain one.
  • said first mobile and / or said second mobile comprises a friction surface and preferably a set of teeth and / or a peripheral surface.
  • said first mobile being a first wheel or comprising at least a first pinion and / or said second mobile being a second wheel or comprising at least a second pinion; said at least one first pinion and / or said at least one second pinion being configured for or are configured to drive said intermediate mobile.
  • said at least one disengaging member comprises at least one actuating arm; said at least one control member is configured to move said at least one disengaging member by means of said at least one actuating arm.
  • said at least one actuating arm being configured to move said at least one disengaging member between said clutch position and said disengaged position.
  • said at least one disengaging member comprises at least a first flexible arm; said at least one first flexible arm being configured to connect said at least one retaining member to said at least one disengaging member.
  • said at least one first flexible arm projecting in a cantilever manner from said at least one disengaging member and comprising said at least one retaining member provided with a retaining surface; said retaining surface is configured to cooperate with said friction surface and preferably with said toothing and / or said peripheral surface of said first mobile and / or said second mobile.
  • said at least one first flexible arm projecting in a cantilever manner from said at least one disengaging member and comprising said at least one retaining member provided with a retaining surface; said retaining surface is configured to cooperate with a friction surface and preferably with toothing and / or a peripheral surface of said first mobile and / or said second mobile.
  • the maintenance of said first mobile and / or said second mobile by said retaining surface is achieved by friction or greasy friction.
  • said at least one first flexible arm is a return member configured to return the holding member to position.
  • the first flexible arm acts as a spring according to the embodiment.
  • said at least one first flexible arm being configured to move said at least one holding member in contact with the first mobile and / or the second mobile.
  • the first flexible arm brings the holding member into contact with the first mobile and / or the second mobile.
  • said at least one first flexible arm is configured to deform elastically.
  • said at least one release member is mounted to pivot about a pivot axis.
  • said at least one disengaging member is configured to pivot about said pivot axis so as to move between said clutch position and said disengaged position.
  • said at least one disengaging member is configured to pivot about said pivot axis so as to move said at least one retaining member in contact with said retaining surface.
  • said at least one disengaging member is at least one lever configured to pivot about said pivot axis so as to move said at least one retaining member in contact with said retaining surface.
  • the clutch member is mounted to pivot about a pivot axis.
  • said intermediate moving body is disposed on said at least one disengaging member and is preferably mounted to pivot on a return pin.
  • said deflection axis is separate and / or remote from the pivot axis.
  • the intermediate mobile can be moved between said clutch position and said disengaged position when the disengaging member is moved.
  • said intermediate mobile is disposed between said pivot axis and said at least one actuating arm.
  • the intermediate mobile can be moved between said clutch position and said disengaged position when the disengaging member is moved.
  • said at least one control member is configured to move between at least a first position and at least a second position and comprising a stud; said stud being configured to be in abutment and move said at least one actuating arm so as to move said at least one disengaging member from said clutch position to said disengaged position when said stud moves from said at least one first position to said at least a second position and / or in which said at least one disengaging member comprises at least one second flexible arm; said at least one second flexible arm being configured to move said at least one disengaging member from said disengaged position to said clutch position when said stud moves from said at least one second position to said at least one first position.
  • the stud moves the disengagement member via the actuating arm from the clutch position to the disengaged position and / or the stud moves the disengaging member via the second flexible arm from the disengaged position to the clutch position.
  • the clockwork train comprises at least one pin; said at least one actuating arm being configured to abut against said at least one pin so that when said intermediate mobile is driven by said first mobile or by said second mobile, the intermediate mobile and said first mobile and / or the intermediate mobile and said second mobile are in contact at their respective pitch circles.
  • the intermediate mobile, said first mobile and / or said second mobile is or are in contact at their respective pitch circles.
  • said first mobile and / or said second mobile comprises or comprise a friction surface and a guide member configured to guide said at least one holding member in contact with said friction surface and preferably with said toothing and / or said peripheral surface of said first mobile and / or of said second mobile.
  • the retaining member is guided as far as the friction surface and preferably as far as the teeth and / or the peripheral surface.
  • said first mobile and / or said second mobile comprises or comprise a reservoir configured to contain a lubricant for lubricating when said at least one holding member is in contact with said friction surface and preferably with said toothing and / or said peripheral surface of said first mobile and / or of said second mobile.
  • said at least one holding member is tangent with and / or matches the shape of said friction surface and preferably of said toothing and / or of said peripheral surface of said first mobile and / or of said second mobile.
  • the contact between the retaining surface and the retaining member is either punctual, linear or surface.
  • said displacement plane forms an angle of between 0 ° and 10 °, in particular between 0 ° and 7 ° and preferably between 0 ° and 5 ° with said first mobile and / or said second mobile.
  • the present invention makes it possible to disconnect a finishing gear from a display gear, for example and to hold one of the two and preferably the display gear in place.
  • This disengagement can be actuated either by means of the first mechanism, or by a mechanism internal to the movement when a function passes.
  • the present invention illustrated in figure 1 , is in the form of a clockwork gear 100 configured to disengage a gear train.
  • This clockwork train 100 consists of a gear assembly 110, a clutch member 120, a holding member 121 and a control member 130.
  • the gear assembly 110 comprises a first mobile 111 which may be a first wheel 111 or a first mobile 111 comprising a first pinion 116, a second mobile 112 which may be a second wheel 112 or comprising at least a second pinion, and an intermediate mobile 113.
  • This intermediate mobile 113 can be placed between the first mobile 111 and the second mobile 112. According to the embodiments, the intermediate mobile 113 can be placed between the first wheel 111 and the second wheel 112 or the second pinion or between the second wheel 112 and the first wheel 111 or the first pinion 116.
  • the intermediate mobile 113 can be driven by or can drive the first mobile 111 and / or said second mobile 112 and by extension, the first wheel 111 or the first pinion 116, and / or the second wheel 112 or the second pinion according to the embodiments, so as to transmit the movement to the intermediate mobile 113 and preferably the rotary movement to the intermediate mobile 113.
  • the first mobile 111 and / or the second mobile 112 can be a wheel of the finishing gear or a display wheel
  • the intermediate mobile 113 can be a return wheel in contact with the wheel of the finishing gear and the wheel display or with their respective gears.
  • a disengagement member 120 configured to move the intermediate mobile 113 in a displacement plane between a clutch position 101, as shown in an embodiment shown in FIG. figure 1 , wherein said first mobile 111, said intermediate mobile 113 and said second mobile 112 are kinematically connected and a disengaged position 102, as shown in figure figure 2 , wherein said intermediate mobile 113 is unhinged from the second mobile 112, for example.
  • the intermediate mobile can be in motion and in contact with the first mobile 111 while being disengaged from the second mobile 112, or vice versa, which allows during engagement, that is to say when resetting. contact of the intermediate mobile 113 with the first mobile 111 or the second mobile 112 to avoid tooth-to-tooth contact because the intermediate mobile continues to be in motion and therefore reduces the risk of damage to the mobile.
  • this clockwork gear 100 also includes a holding member 121 to hold the first mobile 111 and / or the second mobile 112, and more particularly, the disengaging member 120 may include the holding member 121.
  • the holding member 121 serves as a brake 121 or to brake the first mobile 111 and / or the second mobile 112, depending on the embodiments.
  • the first mobile 111 and / or the second mobile 112 may or may include a friction surface 118 and preferably a set of teeth and / or a peripheral surface. This friction surface 118 is configured to cooperate with the holding member 121.
  • This brake 121 or as mentioned previously, this holding member 121 can be moved by a control member 130 in contact with the first mobile 111 and / or the second mobile 112 and serves to hold the first mobile 111 and / or the second mobile 112 in position, that is to say stationary, when the disengaging member 120 is in the disengaging position 102.
  • This same control member 130 can also move the disengaging member 120 between the clutch position 101 and the disengaged position 102, by means of an actuating arm 125.
  • the disengaging member 120 comprises an actuating arm 125 by which the control member 130 moves the disengaging member 120 between the clutch position 101 and the disengaged position 102 so as to actuate the clutch.
  • disengagement member 120 while being remote from the control member 130.
  • the control member 130 may be located at the periphery of the plate (not shown) and the disengagement member 120 more in the center or on the other side of the turntable.
  • control member 130 comprises a stud 135 and can move between a first position 131 and a second position 132, as can be seen in the figures.
  • This stud 135 is configured to be in abutment and move the actuating arm 125 so as to move the disengaging member 120 from the clutch position 101 to the disengaged position 102 when said pin 135 moves from the first position. 131 to the second position 132.
  • the disengaging member 120 may include a first flexible arm 122 which can connect the retaining member 121 to the disengaging member 120. More exactly, the first flexible arm 122 is configured to move the retaining member 121 in contact. of the first mobile 111 and / or of the second mobile 112 so as to bring the retaining surface 124 into contact with the first mobile 111 and / or of the second mobile 112.
  • the retaining member 121 can be tangent with and / or can match the shape of the friction surface 118 and preferably of the toothing and / or of the peripheral surface of the first mobile 111 and / or of the second mobile 112 so that the contact between the friction surface 118 and the 'holding member 121 is either punctual, linear or surface.
  • the second mobile which comprises the friction surface 118.
  • This first flexible arm 122 can project in a cantilever manner from the disengaging member 120 and may include the holding member 121.
  • the first flexible arm 122 can be a return member configured to return the member to position. support 121 in the manner of a spring or deform elastically according to the embodiment.
  • the disengaging member 120 is provided with a retaining surface 124, and more particularly the retaining member 121 comprises the retaining surface 124.
  • This retaining surface 124 can cooperate with the friction surface 118. and preferably with the teeth and / or the peripheral surface of the first mobile 111 and / or of the second mobile 112 so as to achieve friction and / or fatty friction with the first mobile 111 and / or the second mobile 112.
  • this friction or this fatty friction can be achieved totally or partially thanks to the combination of the holding member 121 comprising the holding surface 124 and of the first flexible arm 122, because, in fact, the first flexible arm 122 will make it possible to adjust the frictional force or the friction to maintain the first mobile 111 and / or the second mobile 112 and to allow the user to set the time without having to exert too much force which makes it possible to minimize wear and avoid part breakage.
  • a reservoir may optionally be provided on the first mobile 111 and / or the second mobile 112. This reservoir can be configured to contain a lubricant for lubricating when the holding member 121 is in contact with the friction surface.
  • This reservoir may take the form of a guide member 119 on the first mobile 111 and / or the second mobile 112 so as to guide and / or lubricate said at least one holding member 121 when it is in contact with the surface. friction 118 and preferably the teeth and / or the peripheral surface of said first mobile 111 and / or said second mobile 112.
  • the holding member 121 is moved in contact with the first mobile 111 and / or the second mobile 112. This movement is achieved by a pivoting or a tilting of the disengaging member 120 about a pivot axis 123. .
  • the disengaging member 120 is configured to pivot about the pivot axis 123 so as to move between said clutch position 101 and said disengaged position 102, which allows the movement of the disengaging member. maintaining 121 in contact with said surface of friction 118 and according to a certain embodiment, the clutch member 120 may be a rocker 120.
  • the intermediate mobile 113 being disposed on the disengaging member 120, is preferably mounted to pivot on a deflection axis 127 which may be separate and / or distant from the pivot axis 123.
  • the clutch member 120 may comprise a sliding pinion mounted on the pivot axis so that the pivot axis and the return axis are on the one hand merged and on the other hand that when the disengaging member 120 moves from the clutch position to the disengaging position, the sliding pinion pivots at the same time as the disengaging member 120 and is accompanied by a movement of translation downward or upward so that the intermediate mobile 113 is no longer in contact with the first mobile 111 and / or the second mobile 112.
  • the intermediate mobile 113 can be moved between said clutch position 101 and said disengaged position 102 when the disengaging member 120 is moved.
  • the intermediate mobile 113 is disposed between said pivot axis 123 and the actuating arm 125.
  • An advantage of this arrangement is to allow the intermediate mobile 113 to remain in motion and / or in contact with the first. mobile 111 while being disengaged from the second mobile 112, or vice versa.
  • the disengaging member 120 moves from the disengaging position 102 to the clutch position 101, the movement of the mobile associated with the movement of the disengaging member 120 reduces the risks of having tooth against tooth contact.
  • the mobile moves in a plane, making an angle between 0 ° and 10 °, in particular between 0 ° and 7 ° and preferably between 0 ° and 5 ° with the first mobile 111 and / or the second mobile 112, and on the other hand it remains in motion. So when the intermediate mobile 113 returns to clutch position 101, more exactly when the disengaging member 120 moves towards the clutch position 101, the intermediate mobile 113 continues its rotation around the return axis 127 and engages the first mobile 111 or the second mobile 112.
  • the disengaging member 120 optionally comprises a second flexible arm 126 configured to move the disengaging member 120 from the disengaged position 102 to the clutch position 101 when the control member 130, and by extension the abovementioned stud 135, moves from the second position 132 to the first position 131. More particularly, this second flexible arm 126 can be elastically deformed and thus move the intermediate mobile 113 in a more flexible manner towards the clutch position 101 .
  • the clockwork gear 100 can include a pin 139 so that when the actuating arm 125 is in abutment against this pin 139 in the first position 131 or in the clutch position 101, the intermediate mobile 113 and at least one first or second mobile 111, 112, are in contact at their respective pitch circles so that the transmission of the movement is optimal.
  • the figure 1 shows the control member 130 pulling the disengaging member 120 by means of the stud 135 which forces the second flexible arm 126 of the disengaging member 120.
  • the disengaging member 120 is in abutment against the pin 139 and comprises the intermediate mobile 113, also called return 113, which meshes with the wheel of the second mobile 112.
  • the retaining member 121 of the disengaging member 120 n ' is not in contact with the friction surface 118 and preferably with the toothing and / or the peripheral surface.
  • the first mobile 111 drives the second mobile 112 via the intermediate mobile 113.
  • the control member 130 is moved and the stud 135 loses its contact with the second flexible arm 126 and comes into contact with the actuating arm 125 of the clutch member 120 which moves it in rotation.
  • the return 113 remains meshed with the pinion of the first mobile 111 but disengages with the second mobile 112.
  • the retaining member 121 comes into contact with the friction surface 118 and preferably with the toothing and / or the peripheral surface via the intermediate of the retaining member 121 which keeps the second mobile 112 in place, except for the gear play.
  • the first mobile 111 continues to rotate and the second mobile 112 is stopped and held by the disengaging member 120 via the holding member 121.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Mechanical Operated Clutches (AREA)
  • Gears, Cams (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
EP19193606.1A 2019-08-26 2019-08-26 Entkupplung von zwei übersetzungsgetrieben Pending EP3786725A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19193606.1A EP3786725A1 (de) 2019-08-26 2019-08-26 Entkupplung von zwei übersetzungsgetrieben
US16/926,021 US11733654B2 (en) 2019-08-26 2020-07-10 Disengagement of two gear trains
JP2020126160A JP7165164B2 (ja) 2019-08-26 2020-07-27 ２つの輪列の係合解除
KR1020200107200A KR102479157B1 (ko) 2019-08-26 2020-08-25 두 기어 트레인의 결합해제
CN202010872612.5A CN112433457B (zh) 2019-08-26 2020-08-26 两个齿轮系的脱离

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19193606.1A EP3786725A1 (de) 2019-08-26 2019-08-26 Entkupplung von zwei übersetzungsgetrieben

Publications (1)

Publication Number Publication Date
EP3786725A1 true EP3786725A1 (de) 2021-03-03

Family

ID=67766089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19193606.1A Pending EP3786725A1 (de) 2019-08-26 2019-08-26 Entkupplung von zwei übersetzungsgetrieben

Country Status (5)

Country Link
US (1) US11733654B2 (de)
EP (1) EP3786725A1 (de)
JP (1) JP7165164B2 (de)
KR (1) KR102479157B1 (de)
CN (1) CN112433457B (de)

Citations (2)

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Publication number Priority date Publication date Assignee Title
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CH623980GA3 (en) * 1979-01-19 1981-07-15 Timepiece with chronograph

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EP2410388B1 (de) * 2010-07-21 2018-04-18 Blancpain S.A. Uhr mit Doppelanzeige
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EP2945024B1 (de) 2014-05-14 2017-07-12 ETA SA Manufacture Horlogère Suisse Sperrwippe für Uhr
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CH623980GA3 (en) * 1979-01-19 1981-07-15 Timepiece with chronograph

Also Published As

Publication number Publication date
US20210063966A1 (en) 2021-03-04
CN112433457B (zh) 2022-07-08
CN112433457A (zh) 2021-03-02
US11733654B2 (en) 2023-08-22
JP2021032886A (ja) 2021-03-01
KR20210025500A (ko) 2021-03-09
KR102479157B1 (ko) 2022-12-19
JP7165164B2 (ja) 2022-11-02

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