EP3800514B1 - Einrastfederring eines drehbaren aussenrings - Google Patents

Einrastfederring eines drehbaren aussenrings Download PDF

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Publication number
EP3800514B1
EP3800514B1 EP19201389.4A EP19201389A EP3800514B1 EP 3800514 B1 EP3800514 B1 EP 3800514B1 EP 19201389 A EP19201389 A EP 19201389A EP 3800514 B1 EP3800514 B1 EP 3800514B1
Authority
EP
European Patent Office
Prior art keywords
spring ring
rotating bezel
watch case
plane
ring
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
EP19201389.4A
Other languages
English (en)
French (fr)
Other versions
EP3800514A1 (de
Inventor
Emmanuel Jacquot
Laurent BOURCET
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.)
Comadur SA
Original Assignee
Comadur 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 Comadur SA filed Critical Comadur SA
Priority to EP19201389.4A priority Critical patent/EP3800514B1/de
Priority to JP2020152557A priority patent/JP7206240B2/ja
Priority to US17/022,373 priority patent/US11789408B2/en
Priority to KR1020200125097A priority patent/KR102515197B1/ko
Priority to CN202011048269.9A priority patent/CN112612197B/zh
Publication of EP3800514A1 publication Critical patent/EP3800514A1/de
Application granted granted Critical
Publication of EP3800514B1 publication Critical patent/EP3800514B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches

Definitions

  • the invention relates to a spring ring for locking a rotating bezel.
  • the invention also relates to a rotating bezel system comprising the spring ring.
  • the invention also relates to a watch case comprising a ceramic middle and the rotating bezel system rotatably mounted on the middle.
  • the invention further relates to a watch comprising the watch case.
  • Known rotating bezel systems are provided with a spring ring intended to cooperate with the rotating bezel to allow the latter to snap into place. Such clipping then allows precise rotation of the rotating bezel on the middle of a watch case for example.
  • the middle part is made of ceramic
  • the latter generally has a cylindrical outer periphery provided with an annular groove intended to receive the spring ring.
  • rays caused by the machining of the caseband are present in the bottom of the groove. These rays, which are for example visible on the figure 2 , are inevitable because they are generated by grinding wheels used to machine the throat.
  • the object of the invention is therefore to provide a spring ring for snapping into place a rotating bezel making it possible to guarantee good positioning of the spring ring in the bottom of the groove of a ceramic watch case middle, and to thus reducing the mechanical wear of the parts and therefore increasing the reliability and durability of the whole.
  • the invention relates to a spring ring for locking a rotating bezel which comprises the characteristics mentioned in independent claim 1.
  • the spring ring according to the invention also has the advantage of being easy to manufacture and install within a watch case middle, of being interchangeable with different currently existing parts, of being easily replaceable in after-sales service, as well as improving the sensitive quality of the product as well as the user experience, particularly with regard to the sensation of precision of rotation of the rotating bezel.
  • the spring ring comprises three inclined legs distributed around its inner periphery over 360°, the three inclined legs being spaced two by two at 120°. This makes it possible to recenter the spring ring in relation to the middle of the watch case, independently of the rays present at the bottom of the groove, and thus to further improve the correct positioning of the spring ring in the groove. The mechanical wear of the parts is reduced accordingly.
  • the spring ring further comprises at least one notching tab intended to cooperate with a rotating bezel for snapping said bezel onto the spring ring.
  • the invention also relates to a rotating bezel system comprising the spring ring described above, and which comprises the characteristics mentioned in dependent claim 7.
  • the rotating bezel is typically an annular rotating bezel, preferably a bezel unidirectional.
  • the invention also relates to a watch case comprising a ceramic middle and the rotating bezel system described above, and which comprises the characteristics mentioned in dependent claim 8.
  • the invention also relates to a watch comprising the watch case described above, and which comprises the characteristics mentioned in dependent claim 9.
  • the watch case 2 typically comprises a ceramic middle 4.
  • the watch case 2 also includes a rotating bezel system 6 as well as a watch movement, the watch movement n 'not being shown in the figures for reasons of clarity.
  • the rotating bezel system 6 is rotatably mounted on the middle part 4.
  • the rotating bezel system 6 is formed of an independent module.
  • the middle part 4 is annular in shape.
  • the middle part 4 comprises a cylindrical exterior surface 8 which delimits a part 10 of the middle part 4 called the chimney.
  • the middle part 4 is further provided, on its cylindrical outer periphery, with an annular groove 12.
  • the annular groove 12 is intended to receive the spring ring 14 according to the invention, as will be described subsequently.
  • the rotating bezel system 6 comprises a rotating bezel and a spring ring 14 for locking the rotating bezel.
  • the rotating bezel which is typically an annular rotating bezel, of preferably a unidirectional bezel, is not visible in the figures for reasons of clarity.
  • the rotating bezel is held by a spring with sides which moves apart when the bezel passes over the chimney of the middle part to then be inserted into the middle groove, and cooperates with the spring ring 14 by snap-fastening.
  • the spring ring 14 is received in the annular groove 12 and extends in a plane P1 illustrated on the figure 2 , which plane P1 is substantially horizontal when the spring ring 14 is placed in the groove 12.
  • the spring ring 14 comprises on its inner periphery at least one tab 16 inclined relative to the plane P1.
  • the spring ring 14 comprises three inclined tabs 16 distributed around its inner periphery over 360° and spaced two by two at 120°.
  • the spring ring 14 further comprises at least one notching tab 18 intended to cooperate with the rotating bezel for snapping the bezel onto the spring ring 14.
  • the spring ring 14 comprises three notching tabs 18 distributed over 360° and spaced two by two at 120°.
  • the spring ring 14 is formed from a single piece of material.
  • the spring ring 14 is for example made of a material such as Phynox.
  • each inclined tab 16 cooperates with the cylindrical exterior surface 8 of the middle part 4, so as to index the position of the spring ring 14 relative to the middle part 4.
  • the spring ring 14 is always well positioned at flat in the annular groove 12.
  • the spring ring 14 never comes into contact with the spoke 19 present at the bottom of the groove 12, which makes it possible to avoid problems of wear and torque variation.
  • this radius 19 has a width substantially equal to 0.2 mm.
  • each tab 16 extends towards the center 20 of the spring ring 14, and is inclined upwards relative to plane P1.
  • each tab 16 is inclined relative to the plane P1 at an angle substantially equal to 25°.
  • each notching tab 18 is configured to cooperate either with the rotating bezel itself, or with a part attached to the bezel, so as to snap the bezel onto the spring ring 14.
  • each notching tongue 18 comprises for example a first portion 18a and a second portion 18b both extending upwards relative to the plane P1.
  • the first portion 18a has for example an arcuate shape whose curvature tends to move it away from the plane P1, the center of the osculating circle taken at any point of the first portion 18a being located opposite the plane P1 with respect to the tongue 18.
  • the second portion 18b is for example a planar portion, inclined relative to the plane P1.
  • each notching tab 18 is formed via a preliminary cutout made in the thickness of the spring ring 14. The shape of the cutout is thus complementary to the shape of the corresponding tab 18.

Claims (9)

  1. Einrastfederring (14) eines drehbaren Aussenrings für einen Mittelteil (4) eines Uhrgehäuses (2) aus Keramik, wobei sich der Federring (14) in einer Ebene (P1) erstreckt und dazu bestimmt ist, in einer ringförmigen Hohlkehle (12) aufgenommen zu werden, die an einem zylindrischen Aussenumfang des Mittelteils (4) eingearbeitet ist;
    dadurch gekennzeichnet, dass der Federring (14) an seinem Innenumfang mindestens eine in Bezug auf die Ebene (P1) des Federrings (14) geneigte Klammer (16) umfasst, wobei die Klammer (16) dazu bestimmt ist, mit einer zylindrischen Aussenoberfläche (8) des Mittelteils (4) eines Uhrgehäuses (2) zusammenzuwirken, um die Position des Federrings (14) in Bezug auf den Mittelteil (4) zu indexieren.
  2. Federring (14) nach Anspruch 1, dadurch gekennzeichnet, dass die oder jede Klammer (16) in Bezug auf die Ebene (P1), in der sich der Federring (14) erstreckt, in einem Winkel von 25° geneigt ist.
  3. Federring (14) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Federring (14) drei geneigte Klammern (16) umfasst, die über seinen Innenumfang über 360° verteilt sind, wobei die drei geneigten Klammern (16) paarweise um 120° beabstandet sind.
  4. Federring (14) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sich die oder jede Klammer (16) in Richtung des Mittelpunktes (20) des Federrings (14) hin erstreckt, und in Bezug auf die Ebene (P1), in der sich der Ring (14) erstreckt, nach oben geneigt ist.
  5. Federring (14) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Federring (14) weiter mindestens eine Rastlasche (18) umfasst, die dazu bestimmt ist, mit einem drehbaren Aussenring zum Einrasten des Aussenrings am Federring (14) zusammenzuwirken.
  6. Federring (14) nach Anspruch 5, dadurch gekennzeichnet, dass der Federring (14) drei über 360° auf dem Ring (14) verteilte Rastlaschen (18) umfasst, wobei die drei Rastlaschen (18) paarweise um 120° beabstandet sind.
  7. Drehbares Aussenringsystem (6), das dazu bestimmt ist, drehbar an einem Mittelteil (4) eines Uhrgehäuses (2) aus Keramik angebracht zu werden, in dessen Inneren ein Uhrwerk untergebracht ist, wobei das System (6) einen drehbaren Aussenring und einen Einrastfederring (14) des drehbaren Aussenrings umfasst, dadurch gekennzeichnet, dass der Federring (14) einem der vorstehenden Ansprüche entspricht.
  8. Uhrgehäuse (2), das einen Mittelteil (4) aus Keramik und ein System (6) umfasst, das mit einem drehbaren Aussenring, der drehend am Mittelteil (4) angebracht ist, versehen ist, wobei der Mittelteil (4) einen zylindrischen Aussenumfang aufweist, der mit einer ringförmigen Hohlkehle (12) versehen ist, dadurch gekennzeichnet, dass das drehbare Aussenringsystem (6) dem Anspruch 7 entspricht, wobei der Federring (14) in der am Mittelteil (4) vorgesehenen ringförmigen Hohlkehle (12) aufgenommen ist, wobei die oder jede geneigte Klammer (16) mit einer zylindrischen Aussenoberfläche (8) des Mittelteils (4) zusammenwirkt.
  9. Uhr (1), die ein Uhrgehäuse (2) beinhaltet, dadurch gekennzeichnet, dass das Uhrgehäuse (2) dem Anspruch 8 entspricht.
EP19201389.4A 2019-10-04 2019-10-04 Einrastfederring eines drehbaren aussenrings Active EP3800514B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19201389.4A EP3800514B1 (de) 2019-10-04 2019-10-04 Einrastfederring eines drehbaren aussenrings
JP2020152557A JP7206240B2 (ja) 2019-10-04 2020-09-11 回転ベゼルをスナップ嵌めするためのばねリング
US17/022,373 US11789408B2 (en) 2019-10-04 2020-09-16 Spring ring for snap fitting a rotating bezel
KR1020200125097A KR102515197B1 (ko) 2019-10-04 2020-09-25 회전하는 베젤을 스냅 피팅하기 위한 스프링 링
CN202011048269.9A CN112612197B (zh) 2019-10-04 2020-09-29 用于卡扣装配旋转式表圈的弹簧环

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19201389.4A EP3800514B1 (de) 2019-10-04 2019-10-04 Einrastfederring eines drehbaren aussenrings

Publications (2)

Publication Number Publication Date
EP3800514A1 EP3800514A1 (de) 2021-04-07
EP3800514B1 true EP3800514B1 (de) 2024-01-17

Family

ID=68137951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19201389.4A Active EP3800514B1 (de) 2019-10-04 2019-10-04 Einrastfederring eines drehbaren aussenrings

Country Status (5)

Country Link
US (1) US11789408B2 (de)
EP (1) EP3800514B1 (de)
JP (1) JP7206240B2 (de)
KR (1) KR102515197B1 (de)
CN (1) CN112612197B (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0592779U (ja) * 1992-03-30 1993-12-17 セイコーエプソン株式会社 回転ベゼル装置

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Also Published As

Publication number Publication date
JP2021060395A (ja) 2021-04-15
JP7206240B2 (ja) 2023-01-17
US20210103252A1 (en) 2021-04-08
CN112612197B (zh) 2023-03-28
US11789408B2 (en) 2023-10-17
KR102515197B1 (ko) 2023-03-29
KR20210041495A (ko) 2021-04-15
EP3800514A1 (de) 2021-04-07
CN112612197A (zh) 2021-04-06

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