EP4134756B1 - Fond orientable pour une piece d` horlogerie - Google Patents

Fond orientable pour une piece d` horlogerie Download PDF

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Publication number
EP4134756B1
EP4134756B1 EP21190403.2A EP21190403A EP4134756B1 EP 4134756 B1 EP4134756 B1 EP 4134756B1 EP 21190403 A EP21190403 A EP 21190403A EP 4134756 B1 EP4134756 B1 EP 4134756B1
Authority
EP
European Patent Office
Prior art keywords
watch
position pin
machining
key
timepiece
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
EP21190403.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4134756A1 (fr
Inventor
Joël Allimann
François Erdemli
Enzo Agustoni
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP21190403.2A priority Critical patent/EP4134756B1/fr
Priority to US17/866,945 priority patent/US20230038234A1/en
Priority to JP2022120322A priority patent/JP7445711B2/ja
Priority to CN202210943977.1A priority patent/CN115903435A/zh
Publication of EP4134756A1 publication Critical patent/EP4134756A1/fr
Application granted granted Critical
Publication of EP4134756B1 publication Critical patent/EP4134756B1/fr
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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
    • 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
    • G04B37/0033—Cases for pocket watches and wrist watches with cover or bottom which can slide or turn (without a spring action)

Definitions

  • the present invention relates to bases for timepieces and more particularly to such bases comprising a pattern or a logo on their external face and in which said pattern or logo can be oriented as desired.
  • the document CH 710 451 A1 discloses a device for fixing a back on a middle part with a key which is inserted into a ring.
  • the present invention aims to remedy this drawback as well as others by proposing a system allowing, after screwing a back onto the middle of a watch case, to adjust the position in a simple and effective manner. orientation of the back in relation to the watch, so as to guarantee a suitable arrangement of the inscriptions and other decorative motifs which have been transferred to the face of the back of the watch directed towards the wrist of the wearer of this watch.
  • the present invention relates to a device for fixing a back on a middle part of a watch case, the back being arranged to be driven onto the watch case, characterized in that it comprises a circle of casing to which at least one keying device is linked, said keying device being arranged to cooperate with at least one machining of the back so as to guarantee the orientation of the back relative to the middle part along the axis 12H-6H of the watch.
  • the present invention provides a device for fixing a watch case back which allows this base to be completely pushed out of the middle of the watch so as to ensure the watertightness of the latter and to orient the back correctly in relation to the middle along the 12H-6H axis of the watch.
  • the invention also relates to a timepiece comprising a fixing device according to the invention.
  • FIG. 1 illustrates a device for fixing and orienting a back 1 on a middle part 2 of a watch case, the back 1 being intended to be driven onto the middle part 2.
  • the device comprises a fitting circle 3 to which is linked at least one keying device 4 arranged to cooperate with at least one machining 10 of the back 1 so as to guarantee the orientation of the back 1 relative to the middle part 2 along the axis 12H-6H of the watch, the back 1 having an exterior face bearing a pattern such as a logo or a brand.
  • the bottom consists of a skirt 11 and a ring 12 projecting relative to the skirt, the ring being arranged to rest in the middle part 2 once the bottom 1 has been pushed out.
  • the keying device 4 is in the form of a pin which is driven into the nesting circle 3, the nesting circle 3 having an orifice arranged to receive the pin.
  • the key 4 and the nesting circle 3 form a single piece element. They can for example be manufactured via plastic injection or molding, mass machining could also be possible. This embodiment has the advantage of being simpler to set up and less expensive to produce.
  • said at least one machining 10 has a shape complementary to the keying device 4, the keying device being arranged to be inserted by force into the machining 10 of the bottom 1.
  • annular seal 30 made of compressible material is placed between the bottom 1 and the middle part 2, and more precisely outside the ring 12 of the bottom to ensure sealing once the bottom is assembled on the build.
  • the key 4 is slightly protruding relative to the junction plane P between the back 1 and the middle part 2 so as to also act as a guiding element during the assembly of the back 1 on the middle part 2, the key 4 coming into engagement with the bottom 1 or the nesting circle 3 before the annular seal 30 begins to be compressed.
  • the fitting circle 3 and the key 4 can be made of plastic material in the case where they form a one-piece element.
  • the key 4 can be made of a metallic or plastic material.
  • the mounting of the fixing device according to the invention is carried out as follows.
  • the movement and the casing circle 3 are mounted in the middle part 2.
  • the back 1 is placed in relation to the key 4 so as to partially insert this last in the machining 10 of the back 1.
  • the back 1 is driven onto the middle part 2 until the back abuts against the middle part 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Electric Clocks (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Adornments (AREA)
EP21190403.2A 2021-08-09 2021-08-09 Fond orientable pour une piece d` horlogerie Active EP4134756B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21190403.2A EP4134756B1 (fr) 2021-08-09 2021-08-09 Fond orientable pour une piece d` horlogerie
US17/866,945 US20230038234A1 (en) 2021-08-09 2022-07-18 Orientable back for a timepiece
JP2022120322A JP7445711B2 (ja) 2021-08-09 2022-07-28 時計のための方向付け可能なバック
CN202210943977.1A CN115903435A (zh) 2021-08-09 2022-08-05 用于钟表的可定向后盖

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21190403.2A EP4134756B1 (fr) 2021-08-09 2021-08-09 Fond orientable pour une piece d` horlogerie

Publications (2)

Publication Number Publication Date
EP4134756A1 EP4134756A1 (fr) 2023-02-15
EP4134756B1 true EP4134756B1 (fr) 2024-04-03

Family

ID=77265013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21190403.2A Active EP4134756B1 (fr) 2021-08-09 2021-08-09 Fond orientable pour une piece d` horlogerie

Country Status (4)

Country Link
US (1) US20230038234A1 (ja)
EP (1) EP4134756B1 (ja)
JP (1) JP7445711B2 (ja)
CN (1) CN115903435A (ja)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH350251A (fr) * 1958-11-05 1960-11-15 Lang Louis Sa Boîte de montre-bracelet
CH710451B1 (fr) * 2014-12-09 2018-08-31 Richemont Int Sa Boîte de montre.

Also Published As

Publication number Publication date
JP2023024947A (ja) 2023-02-21
EP4134756A1 (fr) 2023-02-15
CN115903435A (zh) 2023-04-04
JP7445711B2 (ja) 2024-03-07
US20230038234A1 (en) 2023-02-09

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