EP3805870A1 - Armbanduhrgehäuse mit ausrichtbarer geschraubter krone - Google Patents

Armbanduhrgehäuse mit ausrichtbarer geschraubter krone Download PDF

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Publication number
EP3805870A1
EP3805870A1 EP19202192.1A EP19202192A EP3805870A1 EP 3805870 A1 EP3805870 A1 EP 3805870A1 EP 19202192 A EP19202192 A EP 19202192A EP 3805870 A1 EP3805870 A1 EP 3805870A1
Authority
EP
European Patent Office
Prior art keywords
tube
box
crown
axial
sub
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
EP19202192.1A
Other languages
English (en)
French (fr)
Inventor
Philipp Tschumi
Hervé AVRIL
Rémy THIRY
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.)
Meco SA
Original Assignee
Meco 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 Meco SA filed Critical Meco SA
Priority to EP19202192.1A priority Critical patent/EP3805870A1/de
Priority to CN202010855586.5A priority patent/CN112631107B/zh
Publication of EP3805870A1 publication Critical patent/EP3805870A1/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
    • 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
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/103—Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case
    • 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 watch case, comprising a middle part with at least one through housing for receiving an orientable screwed crown, which adjustable screwed crown is arranged to cooperate with said housing and seal it off, said screwed crown.
  • orientable comprising a pattern on an end face or in its vicinity, said orientable screwed crown comprising, movable axially in an axial direction with respect to one another, on the one hand, a sub-assembly comprising a crown body manipulable by a user and comprising said pattern, and on the other hand a tube arranged to be screwed or driven into said housing in said axial direction.
  • the invention also relates to a timepiece, in particular a watch, comprising such a case.
  • the invention also relates to a method of assembling such an orientable screwed crown.
  • the invention also relates to a method for mounting such an orientable screwed crown on a watch case.
  • Screw-down crowns are commonly used to equip watches with the aim of improving their sealing at the passage of a control member, such as a winding or control rod.
  • This type of crown has the particularity of being able to take an unscrewed position in which the watch can be wound, time-set, adjusted, or other, and a screwed position in which the crown is screwed and blocked on a driven or screwed tube. in the middle of the watch case in order to compress a gasket, thus improving the watertightness of the watch.
  • the screwed position is therefore that which corresponds to the normal position when the watch is worn and which is always roughly the same, apart from the wear of the seal.
  • the known mounting methods generally do not allow the crown to be brought into a determined orientation with respect to the case after it has been screwed in, which can be detrimental to the aesthetics of the case. This situation is of course unacceptable when these crowns equip luxury and high quality products.
  • the object of the invention is in particular to overcome the various drawbacks of these known techniques.
  • an objective of the invention is to provide an orientable screwed crown adaptable to any watch case comprising a crown housing, for the orientation of this screwed crown, produced according to a simple and economical construction.
  • Another objective of the invention is to provide an orientable screwed crown that is more reliable than existing ones.
  • the invention relates to a watch case comprising a middle part with at least one through housing for receiving an orientable screw-down crown, according to claim 1.
  • the invention also relates to a timepiece, in particular a watch, comprising such a case.
  • the invention also relates to a method of assembling such an orientable screwed crown.
  • the invention also relates to a method for mounting such an orientable screwed crown on a watch case.
  • the invention relates to a watch case 100, comprising a middle part 9 with at least one through housing 90 for receiving a crown, and more particularly for receiving an orientable screwed crown 10, and an orientable screwed crown 10 arranged to cooperate with the housing 90 and seal it off.
  • the orientable screwed crown 10 comprises a pattern 19 on an end face 18 or in its vicinity.
  • This orientable screwed crown 10 comprises, movable axially in an axial direction D with respect to one another, on the one hand a sub-assembly 20 comprising a crown body 1 which can be handled by a user and comprising the pattern 19, and on the other hand a tube 8 arranged to be inserted into the housing 90 in the axial direction D.
  • This tube 8 comprises an indexing relief 82, which extends in the axial direction D and which is arranged to, in the inserted position in the housing 90, cooperate in a complementary manner with a complementary indexing relief 92 that the housing comprises. 90 and which extends in the axial direction D.
  • the cooperation between the indexing relief 82 and the complementary indexing relief 92 defines a discrete number of possible relative indexing positions corresponding to as many relative orientations of the pattern 19 compared to the 100 box.
  • the sub-assembly 20 and the tube 8 are arranged to cooperate by screwing over a part of their relative axial travel up to a stop position corresponding to a completely screwed position of the sub-assembly 20 in the tube 8.
  • the box 100 comprises a removable axial stop means 7, which is arranged to, fixed to the tube 8, stop axially, in the axial direction D, the tube 8 with respect to the middle part 9. More particularly, this axial stop is made by trapping the middle part 9 between, on the one hand, a first stop bearing surface 87 of the tube 8 arranged to cooperate in axial stop support with a first outer stop surface 97 of the middle part, and d 'on the other hand a second abutment bearing surface 76 which comprises the axial stop means 7 and which is arranged to cooperate in axial abutment bearing with a second internal abutment bearing surface 96, which comprises the middle part 9 of the side opposite to the first outer abutment surface 97.
  • the sub-assembly 20 comprises, movable axially in the axial direction D against elastic return means 4 in a chamber 39 in which it is mounted prisoner, a movable barrel 3 comprising fixing means 31 arranged for the fixing of the orientable screwed crown 10 to a control member housed in the box 100.
  • This movable barrel 3 is limited in its axial travel by cooperation between a stop surface 38, which it comprises, with a complementary stop surface 28 that comprises the fixed tube.
  • the sub-assembly 20 comprises a fixed barrel 2 fixed inside the crown body 1, and carrying a thread 23 arranged to cooperate with an internal thread 83 which the tube 8 comprises in which the barrel is movably mounted. fixed 2. More particularly, the sub-assembly 20 cannot be dismantled.
  • the fixed barrel 2 is integral with the crown body 1, at the level of a laser weld 29, or of a bonding, or the like.
  • indexing relief 82 and the complementary indexing relief 92 include complementary grooves.
  • the crown body 1 comprises at least one internal annular groove 17 for receiving a first seal 5 arranged to cooperate with a first bearing surface 86 which the tube 8 comprises.
  • the tube 8 comprises at least one outer annular groove 89 for receiving a second seal 6 arranged to cooperate with a sealing surface 91 which the middle 9 comprises.
  • the axial stop means 7 is a nut comprising a nut thread arranged to cooperate with a thread that the tube 8 comprises near its end intended to be enclosed in the middle part 9.
  • the axial stop means 7 is a nut comprising a nut thread arranged to cooperate with a distal thread that the tube 8 comprises near its end intended to be enclosed in the middle part 9.
  • the axial stop means 7 is a circlip 71 housed in a circlip groove 85 which the tube 8 comprises near its end intended to be enclosed in the middle 9.
  • the invention also relates to a timepiece, in particular a watch 1000, comprising such a box 100.
  • a mobile barrel 3 comprising fixing means 31 arranged for fixing the orientable screwed crown 10 to a control member housed in the box 100, the movable barrel 3 also being held prisoner in the chamber 39, then the fixed barrel 2 is irreversibly fixed to the crown body 1 to make the sub-assembly 20 non-removable.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP19202192.1A 2019-10-09 2019-10-09 Armbanduhrgehäuse mit ausrichtbarer geschraubter krone Pending EP3805870A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19202192.1A EP3805870A1 (de) 2019-10-09 2019-10-09 Armbanduhrgehäuse mit ausrichtbarer geschraubter krone
CN202010855586.5A CN112631107B (zh) 2019-10-09 2020-08-21 用于组装具有可定向旋拧表冠的表壳的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19202192.1A EP3805870A1 (de) 2019-10-09 2019-10-09 Armbanduhrgehäuse mit ausrichtbarer geschraubter krone

Publications (1)

Publication Number Publication Date
EP3805870A1 true EP3805870A1 (de) 2021-04-14

Family

ID=68242452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19202192.1A Pending EP3805870A1 (de) 2019-10-09 2019-10-09 Armbanduhrgehäuse mit ausrichtbarer geschraubter krone

Country Status (2)

Country Link
EP (1) EP3805870A1 (de)
CN (1) CN112631107B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4080294B1 (de) * 2021-04-20 2023-10-25 Meco SA Externer steuermechanismus für ein uhrenteil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857892A1 (de) * 2006-04-25 2007-11-21 The Swatch Group Management Services AG Uhr mit einem drehbaren Teil
EP2592500A1 (de) * 2011-11-09 2013-05-15 Rolex S.A. Armbanduhrengehäuse, das ein Kronrad mit Ausrichtungsgedächtnis umfasst
CH713389A1 (fr) * 2017-01-27 2018-07-31 Richemont Int Sa Système de liaison d'un arbre à une pièce.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH691935A5 (de) * 1997-06-11 2001-11-30 Meco Sa Grenchen Sicherheitsventil für eine Uhr.
JP5285546B2 (ja) * 2009-08-28 2013-09-11 セイコーインスツル株式会社 手巻き式携帯時計及びこの時計が備える竜頭の操作方法
EP2385432A2 (de) * 2010-05-04 2011-11-09 Rolex Sa Uhrgehäuse
CH705090A2 (fr) * 2011-06-08 2012-12-14 Omega Sa Dispositif pour l'orientation d'une couronne vissée d'une pièce d'horlogerie.
EP3279745B1 (de) * 2016-08-02 2023-06-14 Meco S.A. Ausrichtbare geschraubte krone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857892A1 (de) * 2006-04-25 2007-11-21 The Swatch Group Management Services AG Uhr mit einem drehbaren Teil
EP2592500A1 (de) * 2011-11-09 2013-05-15 Rolex S.A. Armbanduhrengehäuse, das ein Kronrad mit Ausrichtungsgedächtnis umfasst
CH713389A1 (fr) * 2017-01-27 2018-07-31 Richemont Int Sa Système de liaison d'un arbre à une pièce.

Also Published As

Publication number Publication date
CN112631107A (zh) 2021-04-09
CN112631107B (zh) 2022-03-25

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