EP0823979A1 - Boite de montre munie d'une lunette tournante - Google Patents
Boite de montre munie d'une lunette tournanteInfo
- Publication number
- EP0823979A1 EP0823979A1 EP97903205A EP97903205A EP0823979A1 EP 0823979 A1 EP0823979 A1 EP 0823979A1 EP 97903205 A EP97903205 A EP 97903205A EP 97903205 A EP97903205 A EP 97903205A EP 0823979 A1 EP0823979 A1 EP 0823979A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- telescope
- watch case
- bezel
- case according
- 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.)
- Granted
Links
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011324 bead Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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 watch case comprising a rotating bezel mounted on a notch on a ring secured to a middle part of the case, and positioning means for maintaining the bezel in predetermined angular positions, the ring having in cross section a bottom which extends substantially in a radial plane, perpendicular to a central axis of the box, and an outer rim having an outer profile on which the telescope is notched so as to be centered and retained in a direction parallel to said axis , the positioning means comprising a toothing arranged on a lower face of the bezel and at least one pawl arranged to engage in the toothing, said pawl being formed by a flexible blade in the direction of said axis.
- a watch case provided 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 metal ring with L-shaped section having an external frustoconical surface on which the bezel is mounted notch.
- This ring has an annular clearance intended to receive a spring ring. Ratchets are cut from the spring ring and act axially on the lower teeth of the bezel. This toothing is formed by cutouts passing through a lower part of the telescope.
- This system although ensuring the centering and positioning of the telescope, has disadvantages mainly for mounting, because it comprises different parts, namely a metal ring holding another ring for mounting the glass and bearing itself on its bottom, said pawl spring ring.
- the present invention aims to provide a system provided with axial pawls and making it possible to mount a rotating bezel on a middle part.
- the objective sought is to obtain a manufacturing and an assembly of said system relatively simple and inexpensive to implement.
- Said system provided with pawls must in particular ensure all the 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 flexible blade is made in one piece with the ring, the blade being cut out from the bottom of said ring.
- the present invention makes it possible to carry out all of the previously mentioned functions with a single ring, in the bottom of which each flexible blade serving as a pawl can be easily cut out.
- the manufacture of this ring is relatively simple, it is for example easy to manufacture it entirely by stamping. It is also inexpensive to implement and in particular allows significant savings in material and time because its industrial production is easy.
- the mounting of the ring on the middle part of the watch has the same advantages of simplicity of implementation and cost since the ring can, for example, be driven directly onto the middle part.
- FIG. 1 shows a partial view in axial section of a watch with rotating bezel according to the present invention
- Figure 2 is a perspective view of the assembly of the ring supporting the rotating bezel
- ' Figure 3 shows the same ring seen from above
- Figure 4 is a sectional view along the line IV-IV of Figure 3
- FIG. 5 is a sectional view along the line VV in FIG. 3
- FIG. 6 is a sectional view along the line VI-VI in FIG. 3.
- FIG. 1 illustrates a watch case 6 comprising, on its upper face 1, a rotating bezel 2 mounted on a middle part 4 of the box 6 by means of a ring 8 fixed on said middle part.
- the middle part 4 has in its upper part a substantially L-shaped shoulder 10 having a substantially cylindrical and vertical surface 10a and a substantially planar and horizontal surface 10b.
- the bezel 2 is rotatable about a central axis 11 perpendicular to the upper face 1 of the 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 part 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) situated 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 external lateral part in the form of a curved rim whose external profile 20 is characterized by two frustoconical surfaces of opposite inclinations 20a and 20b ( Figure 5), thus forming a prominence towards the outside.
- a vertical lateral part 17 (FIGS. 4 and 5) situated 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
- an external lateral part in the form of a curved rim whose external profile 20 is characterized by two frustoconical surfaces of opposite inclinations 20a and 20b ( Figure 5), thus forming a prominence towards the outside.
- the shoulder 10 of the middle part 4 is intended to receive the ring 8, the vertical surfaces of the middle part and of the ring making it possible to mount the ring 8 by driving it directly onto the middle part.
- This method of fixing is very rapid and avoids the use of pins or other organs to prevent rotation of the ring and ratchets.
- the bezel 2 has on its upper face 12 inscriptions specific to its function and on its lower face a toothing 22, for example comprising sixty teeth distributed over the circumference of the bezel.
- the lateral part 16 of the telescope has on its internal face 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, that is to say in the direction of the central axis 11, towards the teeth 22 of the telescope, so that their free ends engage therein by elasticity to ensure the angular positioning of the telescope 2.
- the axial pressure that the flexible blades 26 exert on the teeth 22 when the bezel is in the rest position has the effect of pressing the lower frustoconical surface 24b of its internal face against the lower frustoconical surface 20b of the external profile 20 of the ring.
- the bezel 2 In this rest position, the bezel 2 is held axially and radially in the position centered on the middle part 4 of the watch case 6, and furthermore the low conicity of the surfaces 20b and 24b ensures a slight wedging which prevents untimely rotation of the glasses. A clearance then remains between the upper frustoconical surfaces 20a and 24a.
- the wearer of the watch can position the rotating bezel 2 simply by exerting downward axial pressure before rotating it.
- Figures 2 to 6 show the ring 8 as described above with, in this embodiment, four flexible blades 26 used as pawls, these blades being preferably diametrically opposite in pairs to act simultaneously on the bezel.
- the free end of the flexible blades 26 is straight and engages by elasticity in the teeth 22 of the telescope 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 telescope are produced.
- a bidirectional rotation can be obtained if the free end of the blades 26 is bent towards the bottom 18 of the ring 8, as illustrated in patent CH 631 592.
- FIG. 4 also shows one of the flexible blades 26 as well as the opening 28 created in the bottom 18 of the ring by cutting the blade.
- FIG. 6 is a tangential section showing in more 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 made in one or more pieces.
- the glasses can be removable or not.
- the description of the preferred embodiment in the example above shows that the present invention makes it possible to obtain a relatively simple and inexpensive manufacture and assembly to implement.
- the ring is a relatively simple part to make industrially, likewise its mounting on the middle part can easily be carried out by hunting.
- the ring can be fixed to the middle in another way, for example by gluing or welding.
- the number of flexible blades 26 can be any, but preferably at least equal to two for reasons of symmetry of the forces exerted on the telescope.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adornments (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH57196 | 1996-03-05 | ||
CH00571/96A CH690140A5 (fr) | 1996-03-05 | 1996-03-05 | Boîte de montre munie d'une lunette tournante. |
CH571/96 | 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 true EP0823979A1 (fr) | 1998-02-18 |
EP0823979B1 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 (fr) |
EP (1) | EP0823979B1 (fr) |
JP (1) | JP3759753B2 (fr) |
CN (1) | CN1145858C (fr) |
AU (1) | AU710017B2 (fr) |
CH (1) | CH690140A5 (fr) |
DE (1) | DE69703072T2 (fr) |
HK (1) | HK1009529A1 (fr) |
WO (1) | WO1997033209A1 (fr) |
Families Citing this family (19)
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 |
EP1431845B1 (fr) * | 2002-12-20 | 2006-10-25 | Rolex S.A. | Boîte de montre |
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 |
EP3276432B1 (fr) * | 2016-07-26 | 2020-03-25 | Omega SA | Sous-ensemble d'habillage pour piece d'horlogerie ou montre ou bijou |
CH712742A2 (fr) * | 2016-07-26 | 2018-01-31 | 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)
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 (fr) * | 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 (fr) * | 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 |
-
1996
- 1996-03-05 CH CH00571/96A patent/CH690140A5/fr not_active IP Right Cessation
-
1997
- 1997-03-05 US US08/930,594 patent/US5822279A/en not_active Expired - Fee Related
- 1997-03-05 AU AU17644/97A patent/AU710017B2/en not_active Ceased
- 1997-03-05 EP EP97903205A patent/EP0823979B1/fr not_active Expired - Lifetime
- 1997-03-05 JP JP53129797A patent/JP3759753B2/ja not_active Expired - Fee Related
- 1997-03-05 WO PCT/CH1997/000087 patent/WO1997033209A1/fr active IP Right Grant
- 1997-03-05 DE DE69703072T patent/DE69703072T2/de not_active Expired - Lifetime
- 1997-03-05 CN CNB971901368A patent/CN1145858C/zh not_active Expired - Fee Related
-
1998
- 1998-09-02 HK HK98110378A patent/HK1009529A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9733209A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP3759753B2 (ja) | 2006-03-29 |
CH690140A5 (fr) | 2000-05-15 |
AU710017B2 (en) | 1999-09-09 |
DE69703072T2 (de) | 2001-05-10 |
JPH11505617A (ja) | 1999-05-21 |
CN1145858C (zh) | 2004-04-14 |
DE69703072D1 (de) | 2000-10-19 |
AU1764497A (en) | 1997-09-22 |
CN1180421A (zh) | 1998-04-29 |
EP0823979B1 (fr) | 2000-09-13 |
US5822279A (en) | 1998-10-13 |
WO1997033209A1 (fr) | 1997-09-12 |
HK1009529A1 (en) | 1999-09-10 |
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