EP3489761B1 - Triebfeder eines uhrwerks mit unidirektionalem zahnrad - Google Patents

Triebfeder eines uhrwerks mit unidirektionalem zahnrad Download PDF

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Publication number
EP3489761B1
EP3489761B1 EP17203600.6A EP17203600A EP3489761B1 EP 3489761 B1 EP3489761 B1 EP 3489761B1 EP 17203600 A EP17203600 A EP 17203600A EP 3489761 B1 EP3489761 B1 EP 3489761B1
Authority
EP
European Patent Office
Prior art keywords
click
arm
ratchet wheel
spring
axis
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.)
Active
Application number
EP17203600.6A
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English (en)
French (fr)
Other versions
EP3489761A1 (de
Inventor
Julien Peter
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.)
Blancpain 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 CH01428/17A priority Critical patent/CH714365B1/fr
Priority to EP17203600.6A priority patent/EP3489761B1/de
Priority to US16/163,020 priority patent/US11372370B2/en
Priority to KR1020180131757A priority patent/KR102159433B1/ko
Priority to CN201811306308.3A priority patent/CN109839811B/zh
Priority to JP2018208711A priority patent/JP6694935B2/ja
Priority to RU2018141216A priority patent/RU2699924C1/ru
Publication of EP3489761A1 publication Critical patent/EP3489761A1/de
Application granted granted Critical
Publication of EP3489761B1 publication Critical patent/EP3489761B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • 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
    • G04B11/022—Devices allowing the motion of a rotatable part in only one direction with a ratchet which makes contact with the rotating member by means of teeth
    • G04B11/024—Devices allowing the motion of a rotatable part in only one direction with a ratchet which makes contact with the rotating member by means of teeth rotatable about a fixed axis by means of spring action
    • 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
    • G04B11/022—Devices allowing the motion of a rotatable part in only one direction with a ratchet which makes contact with the rotating member by means of teeth
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • 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
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/04—Measuring, counting, calibrating, testing or regulating apparatus for 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
    • 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

Definitions

  • the invention relates to a clockwork mobile with a unidirectional wheel, arranged to turn in one direction in cooperation with a movable ratchet in a ratchet chamber, said movable comprising at least one pawl arranged to be fixed in rotation with said unidirectional wheel. .
  • the invention also relates to a winding mechanism for at least one pair of timepiece barrels, comprising such a mobile for winding each barrel.
  • the invention also relates to a watch comprising at least one such mechanism, and / or at least one such mobile.
  • the invention relates to the field of timepiece mechanisms, in particular the power supply of timepieces, especially watches.
  • the mechanisms for recharging the energy of mechanical timepieces are often bulky, and occupy a large volume of the timepiece, in particular in the thickness direction.
  • the ratchet mechanisms include springs which are delicate to assemble or handle in after-sales, and which consume space.
  • the invention proposes to develop a space-saving mechanism, particularly in thickness, for recharging a watch's energy.
  • the invention relates to a clockwork mobile with a unidirectional wheel according to claim 1.
  • the invention also relates to a winding mechanism for at least one pair of timepiece barrels, comprising such a mobile for winding each barrel.
  • the invention also relates to a watch comprising at least one such mechanism, and / or at least one such mobile.
  • the invention relates to a clockwork mobile 1 with a unidirectional wheel 2, arranged to turn in one direction in cooperation with a ratchet 3 mobile in a ratchet chamber 30 shown in phantom in the figures.
  • This mobile 1 comprises at least one pawl 4, which is designed to be fixed in rotation with the unidirectional wheel 2.
  • the pawl 4 constitutes a one-piece component comprising at least one spring arm 6, at the end 9 forming a head, and of which, on a first side, at least one spout 5 is arranged to cooperate directly with the teeth of a ratchet 3 in a service position in which the spring arm 6 is free.
  • the elasticity of the spring arm 6 is adjusted to allow the hooking or unhooking of the first hook 7 relative to the second hook 8, under the action of an operator or a manipulator, either by a maximum elongation of the spring arm 6 along a length greater than that of the extended position, or by a tilting of the end 9, or both by maximum elongation of the spring arm 6 and tilting of the end 9.
  • this pawl 4 comprises, in line with each spout 5, which is movable in a substantially radial manner relative to a pawl axis A, a clearance 50 which is arranged to allow the complete radial disengagement of the spout 5 with a ratchet 3.
  • this pawl 4 comprises a substantially annular part 40 which comprises, at each end 9, a first clearance 70 arranged to accommodate a first arm 71 of a first hook 7. And each spring arm 6 has at its end 9 a second clearance 80 arranged to accommodate a second arm 81 of a second hook 8.
  • the clearance 50 is located in the substantially annular part 40 of the pawl 4, and is arranged to accommodate the spring arm 6 with the head comprising the spout 5 and the first hook 7, and this clearance comprises a surface of support 49, substantially radial on the variant of the figures, against which abuts a distal end face 69 of this head.
  • This arrangement limits the deformation of the leaf spring in the ratchet drive movements.
  • this ratchet 3 has symmetry of order N with respect to a ratchet axis A, the number N being the number of leaf springs 6 that the ratchet 4 comprises.
  • this pawl 4 is in one piece with the unidirectional wheel 2, and can in particular be produced in a micro-machinable material, such as silicon or the like, by a “LIGA” or “MEMS” or similar process.
  • the pawl 4 comprises gripping means 90, which are arranged for their simultaneous cooperation with a tool 200 having a symmetry of order N with respect to a tool axis arranged to be centered on the axis of ratchet A, and, to simultaneously separate from the ratchet axis A the nozzles 5 beyond the grip of the ratchet 3 and the ratchet chamber 30, in order to carry out in particular an adjustment or a maintenance operation.
  • the figure 7 shows such a tool 200 comprising bosses 201 arranged to push back the leaf spring 6, and bear on these gripping means 90, here constituted by a wedge formed by the end of the leaf spring 6 under the spout 5.
  • the invention also relates to a mechanism 100 for winding at least one pair of timepiece barrels 110, comprising, for the reassembly of each barrel 110, such a mobile 1, the pawl 4 of which is arranged to cooperate with a ratchet 3 for driving a shaft that comprises the barrel 110.
  • the mobiles 1 are symmetrical with respect to each other and coplanar.
  • the mechanism 100 comprising drive means comprising a rod 101, and a train comprising in a nonlimiting manner a set of wheels 102, 103, 104, 105, and an inverter 106, arranged together to drive each unidirectional wheel 2 in one direction different, so as to always drive a ratchet 3, whatever the direction of operation of the drive means.
  • the rod 101 makes it possible to raise either one or the other barrel 110, whatever the direction of rotation of the rod 101, without requiring disengaging: in one direction the pawl 4 goes up the barrel, and in the other sense the same pawl 4 disengages the same barrel 110.
  • this mechanism 100 comprises such mobiles 1, and such a removable tool 200, having a symmetry of order N with respect to a tool axis arranged to be centered on the pawl axis A and, to simultaneously separate it from the ratchet axis A the spouts 5 beyond the grip of the ratchet 3 and the ratchet chamber 30 of each mobile 1 to make an adjustment or a maintenance operation.
  • the invention also relates to a watch 1000 comprising at least one such mechanism 100, and / or at least one such mobile 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transmission Devices (AREA)
  • Micromachines (AREA)
  • Adornments (AREA)

Claims (9)

  1. Bewegliche Uhrkomponente (1) mit unidirektionalem Rad (2), das so angeordnet ist, dass es sich nur in eine Richtung zusammenwirkend mit einem Sperrrad (3) dreht, das in einem Sperrradschacht (30) beweglich ist, wobei die bewegliche Uhrkomponente (1) mindestens eine Sperrklinke (4) umfasst, die so angeordnet ist, dass sie drehfest mit dem unidirektionalen Rad (2) verbunden ist, dadurch gekennzeichnet, dass die Sperrklinke (4) ein einstückiges Bauteil mit mindestens einem Federarm (6) bildet, an dessen Ende (9) auf einer ersten Seite mindestens ein Schnabel (5) angeordnet ist, der in einer Betriebsposition, in welcher der Federarm (6) frei ist, direkt mit der Verzahnung des Sperrrades (3) zusammenwirkt, und auf einer zweiten Seite mindestens ein erster Haken (7) angeordnet ist, der mit einem zweiten Haken (8) mit komplementärem Profil, der in der einstückigen Sperrklinke (4) enthalten ist, in einer Ruheposition zusammenwirkt, in der sich der Federarm (6) in einer ausgefahrenen Position befindet, wobei die Elastizität des Federarms (6) das Einhaken oder Aushaken des ersten Hakens (7) in Bezug auf den zweiten Haken (8) durch die Einwirkung eines Bedieners oder eines Manipulators ermöglicht, entweder durch maximale Ausdehnung des Federarms (6) um eine Länge größer als die der ausgefahrenen Position, oder durch Kippen des Endes (9) oder durch maximale Ausdehnung des Federarms (6) bei gleichzeitigem Kippen des Endes (9).
  2. Bewegliche Uhrkomponente (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sperrklinke (4) senkrecht zu jedem im Wesentlichen in Bezug auf eine Sperrklinkenachse (A) radial beweglichen Schnabel (5) einen Freistich (50) umfasst, der so angeordnet ist, dass er ein vollständiges radiales Auskuppeln des Schnabels (5) aus einer Sperrklinke (3) ermöglicht.
  3. Bewegliche Uhrkomponente (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sperrklinke (4) einen im Wesentlichen ringförmigen Teil (40) umfasst, der an jedem Ende (9) einen ersten Freistich (70) aufweist, der so angeordnet ist, dass er einen ersten Arm (71) eines ersten Hakens (7) aufnimmt, und dass jeder Federarm (6) an seinem Ende (9) einen zweiten Freistich (80) aufweist, der so angeordnet ist, dass er einen zweiten Arm (81) eines zweiten Hakens (8) aufnimmt.
  4. Bewegliche Uhrkomponente (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Sperrrad (3) eine Symmetrie der Ordnung N in Bezug auf eine Sperrklinkenachse (A) aufweist, wobei die Anzahl N die Anzahl der Federblätter (6) ist, welche die Sperrklinke (4) umfasst.
  5. Bewegliche Uhrkomponente (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Sperrklinke (4) mit dem unidirektionalen Rad (2) einstückig ist.
  6. Bewegliche Uhrkomponente (1) nach Anspruch 4 und einem der anderen Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Sperrklinke (4) Greifmittel (90) umfasst, die für ihr gleichzeitiges Zusammenwirken mit einem Werkzeug angeordnet sind, das eine Symmetrie der Ordnung N in Bezug auf eine Werkzeugachse aufweist, die so angeordnet ist, dass sie auf die Sperrklinkenachse (A) zentriert ist, und zum gleichzeitigen Verschieben der Schnäbel (5) von der Sperrklinkenachse (A) über den Griff des Sperrrades (3) und den Sperrradschacht (30) hinweg, um einen Einstell- oder Wartungsvorgang durchzuführen.
  7. Mechanismus (100) zum Aufziehen mindestens eines Uhren-Federhauspaares (110), umfassend eine bewegliche Uhrkomponente (1) für den Aufzug jedes Federhauses (110) nach einem der vorhergehenden Ansprüche, dessen Sperrklinke (4) so angeordnet ist, dass sie mit einem Sperrrad (3) zum Antrieb einer Welle zusammenwirkt, die das Federhaus (110) umfasst, wobei die bewegliche Uhrkomponente (1) (1) zueinander symmetrisch und koplanar sind und der Mechanismus (100) Antriebsmittel (101; 102; 103; 104; 105) und einen Wechselrichter (106) umfasst, die zusammen so angeordnet sind, dass sie jedes der unidirektionalen Räder (2) in eine andere Richtung antreiben, so dass immer ein Sperrrad (3) angetrieben wird, unabhängig von der Wirkrichtung der Antriebsmittel.
  8. Mechanismus (100) nach Anspruch 7, dadurch gekennzeichnet, dass er die bewegliche Uhrkomponente (1) nach Anspruch 6 und ein abnehmbares Werkzeug umfasst, das eine Symmetrie der Ordnung N in Bezug auf eine Werkzeugachse aufweist, die so angeordnet ist, dass sie auf die Sperrklinkenachse (A) zentriert ist, und zum gleichzeitigen Verschieben der Schnäbel (5) von der Sperrklinkenachse (A) über den Griff des Sperrrades (3) und den Sperrradschacht (30) jedes Räderwerkes (1) hinweg, um einen Einstell- oder Wartungsvorgang durchzuführen.
  9. Uhr (1000) mit mindestens einem Mechanismus (100) nach Anspruch 7 oder 8 und/oder mindestens einer beweglicher Uhrkomponente (1) nach einem der Ansprüche 1 bis 6.
EP17203600.6A 2017-11-24 2017-11-24 Triebfeder eines uhrwerks mit unidirektionalem zahnrad Active EP3489761B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH01428/17A CH714365B1 (fr) 2017-11-24 2017-11-24 Mobile d'horlogerie à roue unidirectionnelle.
EP17203600.6A EP3489761B1 (de) 2017-11-24 2017-11-24 Triebfeder eines uhrwerks mit unidirektionalem zahnrad
US16/163,020 US11372370B2 (en) 2017-11-24 2018-10-17 Timepiece wheel set with a unidirectional wheel
KR1020180131757A KR102159433B1 (ko) 2017-11-24 2018-10-31 단방향 휠을 구비한 타임피스 휠 세트
CN201811306308.3A CN109839811B (zh) 2017-11-24 2018-11-05 具有单向轮的钟表轮副
JP2018208711A JP6694935B2 (ja) 2017-11-24 2018-11-06 単方向車を備える計時器用車セット
RU2018141216A RU2699924C1 (ru) 2017-11-24 2018-11-23 Часовой подвижный узел с однонаправленным зубчатым колесом

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17203600.6A EP3489761B1 (de) 2017-11-24 2017-11-24 Triebfeder eines uhrwerks mit unidirektionalem zahnrad

Publications (2)

Publication Number Publication Date
EP3489761A1 EP3489761A1 (de) 2019-05-29
EP3489761B1 true EP3489761B1 (de) 2020-05-06

Family

ID=60452544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17203600.6A Active EP3489761B1 (de) 2017-11-24 2017-11-24 Triebfeder eines uhrwerks mit unidirektionalem zahnrad

Country Status (7)

Country Link
US (1) US11372370B2 (de)
EP (1) EP3489761B1 (de)
JP (1) JP6694935B2 (de)
KR (1) KR102159433B1 (de)
CN (1) CN109839811B (de)
CH (1) CH714365B1 (de)
RU (1) RU2699924C1 (de)

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FR3088868B1 (fr) * 2018-11-23 2020-11-13 Lohr Ind Tendeur d’amarre a cliquet ameliore
JP7260446B2 (ja) * 2019-09-12 2023-04-18 セイコーウオッチ株式会社 切換伝え車、自動巻機構、時計用ムーブメント及び時計
CH716774B9 (fr) * 2019-11-06 2023-06-30 Officine Panerai Ag Dispositif horloger de couplage et d'indexation.
EP4075204A1 (de) * 2020-03-31 2022-10-19 ETA SA Manufacture Horlogère Suisse Sperrklinke für uhrwerk
JP2024077007A (ja) 2022-11-25 2024-06-06 ロレックス・ソシエテ・アノニム 時計用連結装置

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Also Published As

Publication number Publication date
RU2699924C1 (ru) 2019-09-11
EP3489761A1 (de) 2019-05-29
US11372370B2 (en) 2022-06-28
CH714365A2 (fr) 2019-05-31
JP2019095437A (ja) 2019-06-20
KR20190060665A (ko) 2019-06-03
CH714365B1 (fr) 2023-03-31
JP6694935B2 (ja) 2020-05-20
US20190163134A1 (en) 2019-05-30
CN109839811B (zh) 2020-09-18
CN109839811A (zh) 2019-06-04
KR102159433B1 (ko) 2020-09-24

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