EP0823979B1 - Boite de montre munie d'une lunette tournante - Google Patents

Boite de montre munie d'une lunette tournante Download PDF

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Publication number
EP0823979B1
EP0823979B1 EP97903205A EP97903205A EP0823979B1 EP 0823979 B1 EP0823979 B1 EP 0823979B1 EP 97903205 A EP97903205 A EP 97903205A EP 97903205 A EP97903205 A EP 97903205A EP 0823979 B1 EP0823979 B1 EP 0823979B1
Authority
EP
European Patent Office
Prior art keywords
ring
bezel
watch case
case according
onto
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.)
Expired - Lifetime
Application number
EP97903205A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0823979A1 (fr
Inventor
Cyril Cuche
Jacques Müller
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 Management Services AG
Original Assignee
Swatch Group Management Services AG
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 Management Services AG filed Critical Swatch Group Management Services AG
Publication of EP0823979A1 publication Critical patent/EP0823979A1/fr
Application granted granted Critical
Publication of EP0823979B1 publication Critical patent/EP0823979B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • G04B19/286—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel with locking means to prevent undesired rotations in both directions

Definitions

  • the present invention relates to a box of watch with a rotating bezel mounted on a notch on a ring secured to a middle part of the box, and positioning means for holding the telescope in predetermined angular positions, the ring having in cross section a bottom which extends substantially in a radial plane, perpendicular to an axis central of the box, and an outer rim having a external profile on which the telescope is mounted so as to be centered and held in one direction parallel to said axis, the positioning means having teeth arranged on a lower face of the telescope and at least one pawl arranged to engage in the teeth, said pawl being formed by a blade flexible in the direction of said axis.
  • a watch case fitted with a rotating bezel supported by the middle by means of a ring system is known.
  • the bezel is held on the middle by a ring metallic L-shaped section with a surface external frustoconical on which the telescope is mounted at notch.
  • This ring has an annular clearance intended to receive a spring ring. Ratchets are cut out in the spring ring and act axially on the lower teeth of the bezel. This toothing is formed by cutouts crossing a lower part of the glasses.
  • This system although ensuring centering and positioning of the telescope has disadvantages mainly for mounting, because it includes different parts, namely a metal ring now another ring for mounting the glass and itself bearing on its bottom said spring ring to pawls.
  • the present invention aims to achieve a system fitted with axial pawls and making it possible to mount a notch rotating bezel on a middle.
  • the objective sought is to obtain a manufacture and an assembly of said system relatively simple and inexpensive to implement.
  • Said system provided with pawls must in particular ensure all functions of centering, retaining and angular positioning of said telescope.
  • the invention relates to a watch case of the type defined above, characterized in that the blade flexible is made in one piece with the ring, the blade being cut from the bottom of said ring.
  • each blade flexible serving as a ratchet can be easily cut.
  • the manufacture of this ring is relatively simple, it is for example easy to manufacture it entirely by stamping. It is also inexpensive to set up. works and allows in particular significant savings of matter and time because its industrial realization is easy.
  • the mounting of the ring on the middle of the watch has the same advantages of simplicity of setting and cost because the ring can, for example, be directly driven onto the middle.
  • Figure 1 illustrates a watch case 6 comprising, on its upper face 1, a telescope rotating 2 mounted on a middle part 4 of the box 6 thanks to a ring 8 fixed to said middle part 4.
  • the middle part 4 has a shoulder 10 in its upper part substantially L-shaped, having a substantially surface cylindrical and vertical 10a and a surface substantially flat and horizontal 10b.
  • Bezel 2 is rotatable around a central axis 11 perpendicular to the upper face 1 box 6. It is made in one piece comprising an upper part, having an upper face 12 and a lower face 14, and a lateral part 16 descending towards the middle 4.
  • the ring 8 has, in the preferred embodiment, a generally U-shaped cross section of approximately uniform thickness, this section comprising a vertical lateral part 17 (FIGS. 4 and 5) located inside and applied strongly against the vertical surface 10a of the middle part, a horizontal bottom 18 applied to the horizontal surface 10b of the middle part, and an outer side part in the shape of a curved edge whose external profile 20 is characterized by two frustoconical surfaces of opposite inclinations 20a and 20b ( Figure 5), thus forming a prominence towards outside.
  • the shoulder 10 of the middle part 4 is intended for receive the ring 8, the vertical surfaces of the middle part and the ring for mounting the ring 8 while driving directly on the middle. This method of attachment is very fast and avoids the use of pins or other means to prevent rotation of the ring and pawls.
  • the bezel 2 has on its upper face 12 inscriptions specific to its function and on its face lower a toothing 22, for example comprising sixty teeth distributed around the circumference of the bezel.
  • the lateral part 16 of the bezel present on its face internal two frustoconical surfaces 24a and 24b of opposite inclinations, opposite the frustoconical surfaces 20a and 20b of the ring.
  • Flexible blades 26, playing the role of pawls, are cut through the flat bottom 18 of the ring 8 and are raised axially, i.e. in the direction from the central axis 11, towards the teeth 22 of the telescope, so that their free ends engage with it by elasticity to ensure the angular positioning of the bezel 2.
  • the axial pressure as the flexible blades 26 exert on the teeth 22 when the bezel is in rest position has the effect of pressing the surface frustoconical lower 24b of its internal face against the lower frustoconical surface 20b of the external profile 20 of the ring.
  • the telescope 2 In this rest position, the telescope 2 is held axially and radially in centered position on the middle part 4 of the case 6 of the watch, and in addition the low taper of the surfaces 20b and 24b ensures a slight jamming which prevents untimely rotation of the glasses. A play then remains between the surfaces upper frustoconical 20a and 24a.
  • the bearer of the watch can position the rotating bezel 2 simply by exerting an axial downward pressure before the turn.
  • Figures 2 to 6 show the ring 8 as described above with, in this embodiment, four flexible blades 26 used as pawls, these blades preferably being diametrically opposite two to two to act simultaneously on the telescope.
  • the end free flexible blades 26 is straight and engages by elasticity in the teeth 22 of the bezel 2, which can then only be rotated in one direction.
  • the direction of rotation is determined by the direction in which the flexible blades 26 and the teeth 22 of the bezel. Nevertheless a rotation bidirectional can be obtained if the free end blades 26 is bent towards the bottom 18 of the ring 8, as illustrated in patent CH 631 592.
  • Figures 4 and 5 show sections of the ring 8 where we distinguish the external profile 20 characterized by the two frustoconical surfaces of opposite inclinations 20a and 20b.
  • the rotating bezel 2 can be easily mounted notch over this ring thanks to the elasticity of the ring and / or of the bezel.
  • Figure 4 also shows up one of the flexible blades 26 as well as the opening 28 created in the bottom 18 of the ring by the cutting the blade.
  • Figure 6 is a tangential section showing more in detail the longitudinal profile of one of the flexible blades 26.
  • the ring 8 and the rotating bezel 2 can be made of metal, but also of synthetic material.
  • the bezel and the middle part can be produced in one or more pieces.
  • the bezel can be removable or no.
  • the description of the preferred embodiment in the example above shows that the present invention allows for manufacturing and mounting relatively simple and inexpensive to implement.
  • the ring is a relatively simple piece to make industrially, likewise its mounting on the middle part can easily be achieved by hunting.
  • the ring can be fixed to the middle in another way, by example by gluing or welding.
  • the number of blades flexible 26 can be any, but preferably at less than two for reasons of symmetry of forces exerted on the telescope.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP97903205A 1996-03-05 1997-03-05 Boite de montre munie d'une lunette tournante Expired - Lifetime EP0823979B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH00571/96A CH690140A5 (fr) 1996-03-05 1996-03-05 Boîte de montre munie d'une lunette tournante.
CH571/96 1996-03-05
CH57196 1996-03-05
PCT/CH1997/000087 WO1997033209A1 (fr) 1996-03-05 1997-03-05 Boite de montre munie d'une lunette tournante

Publications (2)

Publication Number Publication Date
EP0823979A1 EP0823979A1 (fr) 1998-02-18
EP0823979B1 true EP0823979B1 (fr) 2000-09-13

Family

ID=4190094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97903205A Expired - Lifetime EP0823979B1 (fr) 1996-03-05 1997-03-05 Boite de montre munie d'une lunette tournante

Country Status (9)

Country Link
US (1) US5822279A (ja)
EP (1) EP0823979B1 (ja)
JP (1) JP3759753B2 (ja)
CN (1) CN1145858C (ja)
AU (1) AU710017B2 (ja)
CH (1) CH690140A5 (ja)
DE (1) DE69703072T2 (ja)
HK (1) HK1009529A1 (ja)
WO (1) WO1997033209A1 (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3467680B2 (ja) * 1998-09-22 2003-11-17 セイコーエプソン株式会社 回転ベゼルの取付構造及びこれを備えた時計
US6579004B1 (en) * 1999-10-12 2003-06-17 Romanson Watch Co., Ltd. Internet clock
JP3753933B2 (ja) * 2000-08-18 2006-03-08 セイコーインスツル株式会社 腕時計
DE60215683T2 (de) * 2002-12-20 2007-02-22 Rolex Sa Uhrgehäuse
JP4153378B2 (ja) * 2003-07-14 2008-09-24 セイコーインスツル株式会社 時計
US7080938B1 (en) * 2004-09-07 2006-07-25 Quentin Moore Watch apparatus
DE602004023622D1 (de) * 2004-11-26 2009-11-26 Swatch Group Man Serv Ag Uhr mit verwechselbarer Lunette
EP1712959A1 (fr) * 2005-04-13 2006-10-18 The Swatch Group Management Services AG Pièce d'horlogerie comprenant une lunette tournante
JP5127279B2 (ja) * 2006-04-12 2013-01-23 王鼎精密股▲ふん▼有限公司 世界タイムゾーン表示を具備する時計アセンブリー
JP4874066B2 (ja) * 2006-11-22 2012-02-08 セイコーインスツル株式会社 時計
TW201317724A (zh) * 2011-10-21 2013-05-01 Atop Prec Industry Co Ltd 具世界時區顯示之計時器機心
EP2672333A1 (fr) * 2012-06-06 2013-12-11 Omega SA Système de lunette tournante
US20140098650A1 (en) * 2012-10-04 2014-04-10 Ball Watch Company Sa Revolving bezel system for a timepiece and timepiece comprising such a system
US10222755B2 (en) 2015-04-21 2019-03-05 Motorola Mobility Llc Device with axial lock and retention device and methods therefor
CH712742A2 (fr) * 2016-07-26 2018-01-31 Omega Sa Sous-ensemble d'habillage pour pièce d'horlogerie, notamment une montre, ou pour bijou.
CH712740B1 (fr) * 2016-07-26 2020-08-31 Omega Sa Sous-ensemble d'habillage pour pièce d'horlogerie, notamment une montre, ou pour bijou.
EP3608730B1 (fr) * 2018-08-08 2021-05-05 Omega SA Systeme de lunette tournante annulaire comprenant un anneau ressort muni d'au moins deux ergots
EP3712715A1 (fr) * 2019-03-18 2020-09-23 Montres Breguet S.A. Boite de montre comprenant une lunette tournante
EP3800514B1 (fr) * 2019-10-04 2024-01-17 Comadur S.A. Anneau ressort d'encliquetage d'une lunette tournante

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH536509A (fr) * 1969-03-04 1972-10-13 Manuf De Boites De Montres S G Boîte de montre à lunette tournante
CH631592GA3 (en) 1979-06-05 1982-08-31 Watch case with rotating bezel
CH665522GA3 (en) * 1986-04-01 1988-05-31 Watch with rotary rim and radial sawtooth ratchet - has ratchet co-operating with pawls on fixed ring to allow rotation of glass in one direction only
IT1211317B (it) * 1987-09-23 1989-10-12 Autec Ricerche E Applic Ind S Variatore continuo di velocita a pulegge espansibili
US4815053A (en) * 1988-01-21 1989-03-21 Remy Montavon S.A. Rotating-bezel watch
CH676649B5 (ja) * 1988-11-25 1991-08-30 Remy Montavon Sa
EP0403717B1 (fr) * 1989-06-19 1993-08-04 Roventa-Henex SA Montre à lunette tournante
CH677713B5 (ja) * 1990-01-03 1991-12-31 Rolex Montres
CH686470B5 (fr) * 1994-06-09 1996-10-15 Rolex Montres Boite de montre à lunette tournante.
US5654941A (en) * 1995-05-26 1997-08-05 Walca Sa Device for fastening a rotationally symmetrical part, in particular a rotatable ring, a back cover or a watch-glass to a watchcase

Also Published As

Publication number Publication date
AU1764497A (en) 1997-09-22
EP0823979A1 (fr) 1998-02-18
WO1997033209A1 (fr) 1997-09-12
AU710017B2 (en) 1999-09-09
DE69703072T2 (de) 2001-05-10
CH690140A5 (fr) 2000-05-15
DE69703072D1 (de) 2000-10-19
CN1145858C (zh) 2004-04-14
US5822279A (en) 1998-10-13
CN1180421A (zh) 1998-04-29
JP3759753B2 (ja) 2006-03-29
HK1009529A1 (en) 1999-09-10
JPH11505617A (ja) 1999-05-21

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