EP1835363B1 - Timepiece incorporating a rotary bezel - Google Patents
Timepiece incorporating a rotary bezel Download PDFInfo
- Publication number
- EP1835363B1 EP1835363B1 EP20060005351 EP06005351A EP1835363B1 EP 1835363 B1 EP1835363 B1 EP 1835363B1 EP 20060005351 EP20060005351 EP 20060005351 EP 06005351 A EP06005351 A EP 06005351A EP 1835363 B1 EP1835363 B1 EP 1835363B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- rotary bezel
- pawl ring
- pawl
- bezel
- 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
Links
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 235000015243 ice cream Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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
Definitions
- the present invention relates to a timepiece comprising a rotating bezel and more particularly the mounting and snapping of the rotating bezel on the timepiece box.
- the document JP 2000 298,178 shows a timepiece having a rotating bezel with a toothing that cooperates with a resilient member ratchet type.
- the object of the present invention is to produce a timepiece comprising a rotating bezel in which the mounting and snapping of the rotating bezel on the watch case allows rotation of the bezel with a minimum clearance on the case and a snap that allows to control the torque of rotation of the bezel.
- the present invention relates to a timepiece, in particular a wristwatch or pocket watch, comprising a rotating bezel which is distinguished by the features listed in claim 1.
- the timepiece comprises a watch case formed of a middle part 1 on which are fixed a bottom 2 and an attachment window 3 of an ice cream 4.
- This timepiece further comprises a rotating bezel 5 mounted and snapped on the middle part 1 of the watch case as described below.
- the caseband 1 comprises an upper annular extension 1a having an internal thread cooperating with an external threading that comprises the attachment window 3 of the window 4.
- This middle part 1 comprises an outer annular face 1b surrounding this upper annular extension 1a in which is formed an annular groove 6.
- the outer annular wall of this annular groove 6 comprises at least one, three in the illustrated example, recesses 7.
- a toothed ring 8 has an internal toothing 9 and its outer peripheral wall is provided with protruding formations 10 whose shape and position correspond to the shape and location of the recesses 7 of the inner peripheral wall of the annular groove 6.
- the outer diameter of the toothed ring 8 corresponds to the outside diameter of the groove 6 of the caseband 1.
- the toothed ring 8 is placed in the annular groove 6 of the middle part 1, against its outer peripheral wall and is positioned angularly with respect to the middle part 1 by the projecting formations 10 which are housed in the recesses 7 1.
- the radial thickness of the toothed ring 8 is less than the radial width of the groove 6 of the caseband 1.
- the rotating bezel 5 has in its underside an annular housing 11 in which is snapped a ratchet ring 12.
- This ratchet ring 12 is retained in the annular housing 11 of the bezel 5 by the interaction of the ratching flanges 11a, 12a which respectively comprise the housing 11 and the ratchet ring 12.
- This ratchet ring comprises a lower skirt 13 whose inner diameter corresponds to the diameter of the inner wall of the groove 6 of the middle part and an upper extension 14.
- This ratchet ring 12 further comprises on its periphery a boss 17 intended to cooperate when this ratchet ring is snapped into the service position on the rotating bezel, with a groove that includes the inner annular wall of the rotating bezel 5.
- the ratchet ring 12 is rotationally secured to of the rotating bezel 5.
- the rotating bezel is placed above the middle part 1, the skirt 13 of the ratchet ring 12 is introduced into the groove 6 of the caseband 1 and this set is fixed on the caseband 1 by snapping the upper extension 14 of the ratchet ring 12 on the upper annular extension 1 thus axially fixing the rotating bezel assembly 5 - ratchet ring 12 on the middle part 1 of the watch case.
- the ratchet ring 12 has several, in all illustrated three elastic strips 15. These elastic strips are cast, molded in the mass of the ratchet ring 12 and their free ends extend in recesses 16 that includes the skirt 13 of the ratchet ring.
- the free end of each resilient blade 15 has a shape adapted to cooperate with the teeth of the toothing 9 of the toothed ring 8 thus making it possible to index the rotating bezel 5 on the middle part 1.
- the design of the assembly of the rotating bezel 5 on the caseband 1 is limited to the maximum radial clearances of the blades 15 to the number of three or more acting radially by their elasticity against the teeth 9 of the toothed ring 8 which reduces still the radial clearances and allows to control very precisely the torque necessary for the rotation of the rotating bezel.
- the number parts is limited and the mounting of the rotating bezel on the middle is very easy.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Description
La présente invention a pour objet une pièce d'horlogerie comportant une lunette tournante et plus particulièrement le montage et l'encliquetage de la lunette tournante sur la boîte de la pièce d'horlogerie.The present invention relates to a timepiece comprising a rotating bezel and more particularly the mounting and snapping of the rotating bezel on the timepiece box.
Les systèmes actuels de montage et d'encliquetage d'une lunette tournante sur une boîte de montre comportent généralement une crémaillère disposée entre la lunette et la carrure de la boîte, les dents de cette crémaillère s'étendant suivant une direction parallèle à l'axe de symétrie de la boîte de montre et coopérant avec un cliquet. Ces systèmes ne donnent pas entière satisfaction car ils engendrent un jeu radial entre la lunette et la carrure de la boîte de montre. De plus, la fiabilité du couple de rotation n'est pas optimale.Current systems for mounting and latching a rotating bezel on a watch case generally comprise a rack arranged between the bezel and the middle of the box, the teeth of this rack extending in a direction parallel to the axis of symmetry of the watch case and cooperating with a ratchet. These systems are not entirely satisfactory because they generate a radial clearance between the bezel and the middle part of the watch case. In addition, the reliability of the torque is not optimal.
Le document
La présente invention a pour but la réalisation d'une pièce d'horlogerie comportant une lunette tournante dans laquelle le montage et l'encliquetage de la lunette tournante sur la boîte de montre permettent une rotation de la lunette avec un jeu minimum sur la boîte et un encliquetage qui permettent de maîtriser le couple de rotation de la lunette.The object of the present invention is to produce a timepiece comprising a rotating bezel in which the mounting and snapping of the rotating bezel on the watch case allows rotation of the bezel with a minimum clearance on the case and a snap that allows to control the torque of rotation of the bezel.
La présente invention a pour objet une pièce d'horlogerie, notamment une montre bracelet ou de poche, comportant une lunette tournante qui se distingue par les caractéristiques énumérées à la revendication 1.The present invention relates to a timepiece, in particular a wristwatch or pocket watch, comprising a rotating bezel which is distinguished by the features listed in
Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution de la pièce d'horlogerie comportant une lunette tournante selon l'invention.
- La
figure 1 est une vue de dessus de la montre selon l'invention. - La
figure 2 est une coupe selon la ligne E-E de lafigure 1 . - La
figure 3 est une coupe suivant la ligne L-L de lafigure 2 . - La
figure 4 est une vue en perspective d'une bague à cliquet servant au montage de la lunette tournante sur la carrure de la boîte de la montre. - La
figure 5 est une vue partielle de dessous de la bague à cliquet illustrée à lafigure 4 . - La
figure 6 est une coupe suivant la ligne B-B de lafigure 5 . - La
figure 7 est une coupe selon la ligne A-A de lafigure 4 .
- The
figure 1 is a top view of the watch according to the invention. - The
figure 2 is a section along the line EE of thefigure 1 . - The
figure 3 is a section along the line LL of thefigure 2 . - The
figure 4 is a perspective view of a ratchet ring for mounting the rotating bezel on the middle part of the watch case. - The
figure 5 is a partial bottom view of the ratchet ring shown in FIG.figure 4 . - The
figure 6 is a section along the line BB of thefigure 5 . - The
figure 7 is a cut along line AA of thefigure 4 .
La pièce d'horlogerie, selon la présente invention, et dont une forme d'exécution est illustrée au dessin comporte une boîte de montre formée d'une carrure 1 sur laquelle sont fixés un fond 2 et une lunette de fixation 3 d'une glace 4. Cette pièce d'horlogerie comporte encore une lunette tournante 5 montée et encliquetée sur la carrure 1 de la boîte de montre comme décrit dans ce qui suit.The timepiece, according to the present invention, and an embodiment of which is illustrated in the drawing comprises a watch case formed of a
La carrure 1 comporte une extension annulaire supérieure 1 a comportant un filetage intérieur coopérant avec un filetage extérieur que comporte la lunette de fixation 3 de la glace 4. Cette carrure 1 comporte une face annulaire extérieure 1 b entourant cette extension annulaire supérieure 1 a dans laquelle est pratiquée une gorge annulaire 6. La paroi annulaire extérieure de cette gorge annulaire 6 comporte au moins une, trois dans l'exemple illustré, creusures 7.The
Une bague dentée 8 comporte une denture intérieure 9 et sa paroi périphérique externe est munie de formations en saillie 10 dont la forme et la position correspondent à la forme et à l'emplacement des creusures 7 de la paroi périphérique interne de la gorge annulaire 6. Le diamètre extérieur de la bague dentée 8 correspond au diamètre extérieur de la gorge 6 de la carrure 1.A
Ainsi, en position de service la bague dentée 8 est placée dans la gorge annulaire 6 de la carrure 1, contre sa paroi périphérique extérieure et est positionnée angulairement par rapport à la carrure 1 par les formations en saillie 10 venant se loger dans les creusures 7 de la carrure 1. L'épaisseur radiale de la bague dentée 8 est inférieure à la largeur radiale de la gorge 6 de la carrure 1.Thus, in the service position the
La lunette tournante 5 comporte dans sa face inférieure un logement annulaire 11 dans lequel est fixé par encliquetage une bague à cliquet 12. Cette bague à cliquet 12 est retenue dans le logement annulaire 11 de la lunette tournante 5 par l'interaction des rebords d'encliquetage 11 a, 12a que comportent respectivement le logement 11 et la bague à cliquet 12.The
Cette bague à cliquet comporte une jupe inférieure 13 dont le diamètre interne correspond au diamètre de la paroi interne de la gorge 6 de la carrure et une extension supérieure 14. Cette bague à cliquet 12 comporte encore sur sa périphérie un bossage 17 destiné à coopérer lorsque cette bague à cliquet est encliquetée en position de service sur la lunette tournante, avec une rainure que comporte la paroi annulaire interne de la lunette tournante 5. Ainsi, en position encliquetée sur la lunette tournante 5, la bague à cliquet 12 est solidaire en rotation de la lunette tournante 5.This ratchet ring comprises a
Une fois la bague à cliquet 12 encliquetée sur la lunette tournante 5, on place la lunette tournante au-dessus de la carrure 1, introduit la jupe 13 de la bague à cliquet 12 dans la gorge 6 de la carrure 1 et fixe cet ensemble sur la carrure 1 par encliquetage de l'extension supérieure 14 de la bague à cliquet 12 sur l'extension supérieure annulaire 1 a fixant ainsi axialement l'ensemble lunette tournante 5 - bague à cliquet 12 sur la carrure 1 de la boîte de montre.Once the
La bague à cliquet 12 comporte plusieurs, dans l'ensemble illustré trois lamelles élastiques 15. Ces lamelles élastiques sont coulées, moulées dans la masse de la bague à cliquet 12 et leurs extrémités libres s'étendent dans des évidements 16 que comporte la jupe 13 de la bague à cliquet. L'extrémité libre de chaque lamelle élastique 15 présente une forme adaptée à coopérer avec les dents de la denture 9 de la bague dentée 8 permettant ainsi d'indexer la lunette tournante 5 sur la carrure 1.The
Grâce à la conception de l'assemblage de la lunette tournante 5 sur la carrure 1 on limite au maximum les jeux radiaux des lamelles 15 au nombre de trois ou plus agissant radialement par leur élasticité contre les dents 9 de la bague dentée 8 ce qui réduit encore les jeux radiaux et permet de contrôler très précisément le couple nécessaire à la rotation de la lunette tournante. Le nombre de pièces est limité et le montage de la lunette tournante sur la carrure est très aisé.Thanks to the design of the assembly of the
Claims (5)
- A timepiece, in particular a bracelet watch or pocket watch, including a watch case on which a rotary bezel (5) is pivoted and a toothed ring (8) having an inner toothing (9) and being housed in a groove (6) of a middle (1) of the watch case, said toothed ring (8) being angularly secured to the middle (1); a pawl ring (12) being arranged to be snapped into the rotary bezel (5), said pawl ring being angularly secured to the rotary bezel (5) in its usage position; the rotary bezel (5) and pawl ring (12) assembly being arranged to be snapped on the middle to secure the rotary bezel (5) axially on the watch case; said pawl ring (12) including an annular skirt (13) extending in said groove (6) of the middle (1) and bearing at least one strip spring (15) radially movable through its own elasticity against the toothing (9) of the toothed ring (8) and having a shape adapted to cooperate with said toothing (9) so as to index the rotary bezel (5) on the middle (1).
- The timepiece according to claim 1, characterized in that the rotary bezel (5) is arranged to be pivoted on the middle (1) by means of the pawl ring (12), the inner cylindrical surface of which has a diameter corresponding to the diameter of the inner side wall of the groove (6) of the middle (1).
- The timepiece according to claim 2, characterized in that the pawl ring (12) has an upper extension (14) snapped on an upper cylindrical extension of the middle (1) to secure the rotary bezel (5) axially on the watch case.
- The timepiece according to claim 1, 2 or 3, characterized in that the pawl ring (12) has three strip springs (15) arranged symmetrically relative to the axis of symmetry of the pawl ring (12), the free end of each of said strip springs (15) cooperating with the toothing (9) of the toothed ring (8).
- The timepiece according to one of the preceding claims, characterized in that each strip spring (15) is partially molded in the pawl ring (12) and extends in a recess (16) included in the lower skirt (13) of the pawl ring (12).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20060005351 EP1835363B1 (en) | 2006-03-16 | 2006-03-16 | Timepiece incorporating a rotary bezel |
PCT/IB2007/000415 WO2007105043A2 (en) | 2006-03-16 | 2007-02-21 | Timepiece with rotating bezel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20060005351 EP1835363B1 (en) | 2006-03-16 | 2006-03-16 | Timepiece incorporating a rotary bezel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1835363A1 EP1835363A1 (en) | 2007-09-19 |
EP1835363B1 true EP1835363B1 (en) | 2013-05-08 |
Family
ID=37592468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060005351 Active EP1835363B1 (en) | 2006-03-16 | 2006-03-16 | Timepiece incorporating a rotary bezel |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1835363B1 (en) |
WO (1) | WO2007105043A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2672333A1 (en) | 2012-06-06 | 2013-12-11 | Omega SA | Rotating bezel system |
JP6262480B2 (en) * | 2013-09-20 | 2018-01-17 | セイコーインスツル株式会社 | clock |
EP3276432B1 (en) * | 2016-07-26 | 2020-03-25 | Omega SA | Casing subassembly for a timepiece, watch or jewel |
EP3502791B1 (en) * | 2017-12-20 | 2020-12-02 | Certina SA | Watch case with interchangeable rotating bezel |
JP6835124B2 (en) * | 2019-03-25 | 2021-02-24 | カシオ計算機株式会社 | Watches |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000298178A (en) * | 1999-04-13 | 2000-10-24 | Seiko Instruments Inc | Portable timepiece case |
JP2001281359A (en) * | 2000-03-30 | 2001-10-10 | Seiko Instruments Inc | Wristwatch case |
JP3712911B2 (en) * | 2000-03-30 | 2005-11-02 | セイコーインスツル株式会社 | Watch case with rotating bezel |
-
2006
- 2006-03-16 EP EP20060005351 patent/EP1835363B1/en active Active
-
2007
- 2007-02-21 WO PCT/IB2007/000415 patent/WO2007105043A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007105043A2 (en) | 2007-09-20 |
EP1835363A1 (en) | 2007-09-19 |
WO2007105043A3 (en) | 2008-03-06 |
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