EP1431845B1 - Boîte de montre - Google Patents

Boîte de montre Download PDF

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Publication number
EP1431845B1
EP1431845B1 EP02406123A EP02406123A EP1431845B1 EP 1431845 B1 EP1431845 B1 EP 1431845B1 EP 02406123 A EP02406123 A EP 02406123A EP 02406123 A EP02406123 A EP 02406123A EP 1431845 B1 EP1431845 B1 EP 1431845B1
Authority
EP
European Patent Office
Prior art keywords
markings
closed
watch case
bezel
loop spring
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
EP02406123A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1431845A1 (fr
Inventor
Olivier Hartmann
Daniel Moille
Alberto Jaussi
William Passaquin
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.)
Rolex SA
Original Assignee
Rolex 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
Priority to EP02406123A priority Critical patent/EP1431845B1/fr
Application filed by Rolex SA filed Critical Rolex SA
Priority to DE2002406123 priority patent/DE02406123T1/de
Priority to DE60215683T priority patent/DE60215683T2/de
Priority to CNB2003101205617A priority patent/CN100432868C/zh
Priority to US10/735,390 priority patent/US6871997B2/en
Priority to JP2003423451A priority patent/JP4402445B2/ja
Publication of EP1431845A1 publication Critical patent/EP1431845A1/fr
Priority to HK04105184A priority patent/HK1062202A1/xx
Application granted granted Critical
Publication of EP1431845B1 publication Critical patent/EP1431845B1/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

Definitions

  • the present invention relates to a watch case comprising a middle part, a rotating bezel, first angular positioning marks integral with the middle part, second angular positioning marks integral with the rotating bezel and elastic means tending constantly to engage said first and second positioning marks with each other.
  • a large number of watch cases having a telescope which is mounted so as to be rotatable.
  • Such a bezel carries one or more indications that can be placed at will in an angular position, chosen from a plurality of determined angular positions, fixed by angular positioning marks held in engagement by elastic return means.
  • Some of these glasses can turn in both directions.
  • one of the problems is to ensure that the force required to give up the restoring force exerted on the angular positioning marks is substantially equal in both directions. This force must also give the user the sensation of manipulating a mechanism that offers a certain resistance to put it in motion, but which is then soft once this resistance is overcome and which continues practically the movement of itself up to the next angular position.
  • This positioning spring comprises two straight segments connected by an arcuate segment, the free end of one of the straight segments is held in engagement with the toothing of the bezel by a support surface integral with the middle and the free end of the other straight segment is integral with this same middle part.
  • the spring is shaped so that the forces exerted by the toothing on its end in engagement with the latter, in both directions of rotation of the rotating bezel, serve to increase, respectively decrease the radius of curvature of the arcuate segment of the spring and allows balance of forces in both directions of rotation of the telescope.
  • an angular positioning device rotating bezel may require equal forces in both directions to rotate the telescope.
  • a toothing with triangular teeth formed under the bezel, cooperates with a piston mounted in a housing of the middle part.
  • the forces required to rotate the bezel in both directions are equal.
  • the document CH503305 describes a rotating bezel with intermediate polygonal elastic ring and radial positioning hook.
  • the object of the present invention is to provide a simple, reliable solution, capable of a very long life, so practically with very low wear and fit to allow fine adjustment of the force required to move the rotating bezel.
  • the subject of the present invention is a watch case as defined by claim 1.
  • One of the essential advantages of this invention lies in the fact that the forces are not only equal in the two directions of rotation of the rotating bezel when it is a rotating bezel that can be rotated in both directions opposed, but they are balanced with respect to the axis of rotation of this bezel, which contributes to the pleasant sensation that is experienced by rotating the bezel, which combines firmness of positioning and softness during movement.
  • this solution can be used profitably even in solutions where the telescope can only rotate in one direction. Indeed, the firm positioning and the smooth movement can also be seen in the case of a bezel that can rotate in one direction.
  • the rotating bezel mechanism which is associated with the caseband B comprises a ring 2 whose section has an L shape.
  • the vertical part of this L-shaped section is driven on a cylindrical surface of the caseband B (FIGS. 4), while the horizontal part of this L-shaped section rests against a bearing surface of this box middle B.
  • the outer face of the vertical part of the L-shaped section of the ring 2 has first angular positioning marks 2a, whose angular distances are equal in the same way as those of a toothing, which are therefore integral with the middle part and whose profile, seen in plan, forms a regular festoon.
  • the shape of this festoon may be more or less accentuated depending on the characteristics sought during the movement of the rotating bezel 1 mounted on the ring 1. In this example there are 24 of these markers, and thus determine angular positions spaced 15 ° each other.
  • the rotating bezel 1 mounted on the ring 2 has firstly three radial guide slides 1a spaced 120 ° from each other and formed in three portions 1b which are reentrant inside the rotating bezel 1.
  • An annular groove 1c opens out inside the rotating bezel 1 and passes substantially in the center of the thickness of the three reentrant portions 1b.
  • Each radial guide slide 1a receives a roller 4 which has a groove 4a formed substantially in the middle of the roller 4 and which coincides with the annular groove 1c.
  • a spring 3 having the shape of a closed loop is disposed in the annular groove 1c. This spring 3 surrounds the three rollers 4 and engages in their respective grooves 4a, keeping these rollers 4 in the bottom of three of the first 2a markers spaced by 120 °, that is to say, in the example described, spaced an angle equal to 8 steps that is to say 8 marks.
  • the simultaneous engagement of the spring 3 in closed loop in the annular groove 1c of the bezel 1 and in the grooves 4a of the rollers 4 secures these rollers 4 with the bezel 1 while allowing them to move in the radial guide slides 1a .
  • These three rollers 4 constitute second angular positioning marks, made integral in rotation with the rotating bezel 1 by the radial slides 1a.
  • the number of the first fixed angular references 2a is therefore a multiple of the number of second pins 4 which are at least three in number, to ensure the centering of the rotating bezel 1 with respect to the ring 2. Due to this relationship between the number first and second marks 2a, 4, the second marks 4 are simultaneously engaged with three of the first marks 2a, in each of the 24 positions defined by the first 24 angular positioning marks.
  • the three angular positioning rollers 4 occupy the positions closest to the center of the rotating bezel 1 and the spring 3 is not, or is very little deformed in this position.
  • the three rollers 4 are moved radially outwardly along their respective guide slides 1a, which has the effect of deforming the spring loop 3 by giving it a convex-sided trine shape, as shown in phantom in Figure 2.
  • the profile of the lateral face between two angular positioning marks 2a forms a convex curve.
  • the force stored after the deformation of the spring 3 can be released by developing a torque that ends the movement of the rotating bezel 1 to the first positioning mark 2a following.
  • the rotating bezel 1 is held on the ring 2 by two conical notches, one 1d formed on the rotating bezel 1, the other 2d formed on the ring 2 and forcibly engaged one in the other, as illustrated 3 to 4.
  • these conical surfaces 1d, 2d are applied against each other by means of a flat elastic ring 5 whose inner edge bears against the upper edge of the ring 2 and whose outer edge is trapped between a ring 6 bearing indications intended to be displaced angularly by the rotating bezel 1 and fixed in a notch 1e of this rotating bezel, as shown in FIGS.
  • This flat ring 5 is deformed in its plane, taking a frustoconical shape, as illustrated, which makes it possible to apply the two conical notches 1d, 2d against each other in an elastic manner.
  • the choice of the intensity of this axial elastic pressure is low, so that by slightly pressing on the rotating bezel 1 to rotate it is automatically causes a slight axial displacement of the telescope, even without realizing it, to eliminate, or at least to greatly reduce the friction resulting from contact between the conical notches 1d and 2d.
  • the three rollers 4 of angular positioning associated with the spring 3 closed loop allow a perfect balancing of the positioning forces around the axis of rotation of the rotating bezel 1, this as well when the rollers 4 are in the rest position in the first markers fixed angular positioning 2a of the ring 2, only when they are between two angular positions determined by these fixed angular positioning marks 2a, so that the rotating bezel is never off-center by the forces exerted by the closed-loop spring 3, 13, 23.
  • the second embodiment illustrated in FIGS. 5 to 7 differs essentially from the first embodiment in that it is no longer rollers 4 which constitute the second positioning marks, but these are three bulges 13a directly formed during the cutting of the spring. 13 in closed loop, which engage in the angular positioning marks 2a of the ring 2.
  • the radial guide of the second marks formed by the bulges 13a is obtained by cylindrical guides 14 driven into openings cut in the center of the bulges 13a. These guides 14 are engaged in three grooves 1a formed in three portions 1b which are reentrant inside the rotating bezel 1, exactly like the rollers 4 of the first embodiment.
  • the rest of the rotating bezel mechanism is similar to the first embodiment.
  • the position of the flat elastic ring 5 which serves to apply the two conical notches 1d, 2d against each other is changed in this embodiment, but its function remains the same.
  • the positions of the first and second angular references are reversed with respect to the preceding embodiments, that is to say that it is the rotating bezel 21 which has the first angular positioning marks 21a, while the closed loop spring 23 has a fixed angular position with respect to a ring 22 integral with the caseband B, corresponding to the ring 2 of the embodiments preceding.
  • the contour of the closed-loop spring 23 seen in plan is cut to provide three protuberances 23a spaced 120 ° apart from each other in order to constitute the second angular positioning marks, intended to engage simultaneously in three of the first positioning marks.
  • angular 21a whose number is a multiple of these second angular positioning marks 23a.
  • Each protrusion 23a is associated with a radial projection 23b centered on the same radius as each protuberance 23a and which is directed towards the inside of the closed-loop spring 23.
  • Each of these radial projections 23b is mounted for radial sliding in a slide of radial guide 22a formed in the ring 22 driven on the middle of Box B.
  • the radial projections 23b have a rectangular section, so that they guide the spring 23 during its deformation subsequent to the rotation of the rotating bezel 21 and they force the spring closed loop 23 to deform in its plane.
  • the inner periphery of the closed loop spring 23 comprises three projections 23c which are engaged in three grooves 22b formed in the outer lateral face of the ring 22, so that the spring 23 is retained axially.
  • the spring 3, 13, 23 has a rectangular section whose long side is disposed in the plane of the loops formed by these springs 3, 13, 23.
  • the forces communicated to these springs to deform them in three radial directions are therefore directed in the plane of the loops formed by these springs 3, 13, 23 and therefore also parallel to the long sides of the sections of these springs.
  • the advantage of such springs lies in the fact that they can be cut in steel sheets, which allows an optimal manufacturing. These springs could however have a section of another shape, square or circular, then forming a toric spring.
  • the shape of the spring 3, 13, 23 at rest, plan view can go from the circle to the polygon with its sides and / or its rounded tops or not.
  • the number of second marks 4, 13a, 23a is at least three in number, but could be greater depending on the case.
  • the number of the first marks 2a, 21a is always a multiple of the number of second marks, so that all the second marks 4, 13a, 23a are simultaneously engaged with one of the first marks 2a, 21a.
  • the rotating bezel 1 is identical to that of the embodiments of Figures 1 to 7. What changes in this variant are the pins 32a formed on the ring 32, which are sawtooth and the shape of the three bulges 33a spring 33 closed loop, which has a shape complementary to that separating two pins 32a sawtooth, so as to come into engagement with the toothing 32a and thus to allow rotation of the rotating bezel 1 only in the direction opposite to that of the needles of the watch in the example illustrated by this variant.
  • the other elements are in every respect in accordance with the embodiment of FIGS. 5 to 7.
  • FIG. 13 illustrates another variant of the embodiment of FIGS. 5 to 7, in which the cylindrical guides 44 driven in apertures cut at the center of the bulges 43a of the closed loop spring 43 comprise three portions of increasing diameters 44a, 44b, 44c, one 44a driven into the opening of the spring 43, the next 44b which serves as a pivoting surface for a roller 45, while the third portion 44c serves as an axial stop to retain the roller 45.
  • the three rollers 45 angularly distributed as described above are engaged with the marks 2a of the ring 2 and can rotate around the cylindrical guides 44 when the bezel 1 is rotated by driving the spring 43, through the portions 44a of the cylindrical guides 44 engaged with the radial guide slides 1a of the bezel 1, identical to the bezel of FIGS. 1 to 4.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Details Of Measuring And Other Instruments (AREA)
EP02406123A 2002-12-20 2002-12-20 Boîte de montre Expired - Lifetime EP1431845B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2002406123 DE02406123T1 (de) 2002-12-20 2002-12-20 Uhrgehäuse
DE60215683T DE60215683T2 (de) 2002-12-20 2002-12-20 Uhrgehäuse
EP02406123A EP1431845B1 (fr) 2002-12-20 2002-12-20 Boîte de montre
US10/735,390 US6871997B2 (en) 2002-12-20 2003-12-12 Watch case
CNB2003101205617A CN100432868C (zh) 2002-12-20 2003-12-12 表壳
JP2003423451A JP4402445B2 (ja) 2002-12-20 2003-12-19 時計ケース
HK04105184A HK1062202A1 (en) 2002-12-20 2004-07-15 Watchcase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02406123A EP1431845B1 (fr) 2002-12-20 2002-12-20 Boîte de montre

Publications (2)

Publication Number Publication Date
EP1431845A1 EP1431845A1 (fr) 2004-06-23
EP1431845B1 true EP1431845B1 (fr) 2006-10-25

Family

ID=32338241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02406123A Expired - Lifetime EP1431845B1 (fr) 2002-12-20 2002-12-20 Boîte de montre

Country Status (6)

Country Link
US (1) US6871997B2 (ja)
EP (1) EP1431845B1 (ja)
JP (1) JP4402445B2 (ja)
CN (1) CN100432868C (ja)
DE (2) DE02406123T1 (ja)
HK (1) HK1062202A1 (ja)

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Publication number Priority date Publication date Assignee Title
DE202005003029U1 (de) 2005-02-23 2005-10-27 Damasko, Petra Uhrengehäuse und Armbanduhr mit einem solchen Gehäuse
EP1845424A3 (en) * 2006-04-14 2010-09-08 Atop Precision Ind., Ltd. Time counting assembly with a display for world time zones
US20080013409A1 (en) * 2006-07-11 2008-01-17 Bland Diarmuid John St Cullom Timepiece with overlapping, separately driven analog and mechanical functionality
GB2471701B (en) 2009-07-09 2011-09-07 Gary Butler Golfing accessory time piece
CH702052B1 (fr) * 2009-10-20 2014-11-14 L & M Swiss Watch Ltd Boîte de montre munie d'une lunette tournante et d'un dispositif de verrouillage de la lunette.
CN102063051B (zh) * 2010-11-12 2013-07-03 鸿富锦精密工业（深圳）有限公司 腕带式装置
DE102010062703A1 (de) * 2010-12-09 2012-06-14 Hilti Aktiengesellschaft Vorrichtung zur Führung eines Fahrzeuggerätes
EP2624076B1 (fr) * 2012-02-06 2014-12-31 Montres Tudor S.A. Boîte de montre munie d'une lunette orientable et indexée
EP2672333A1 (fr) 2012-06-06 2013-12-11 Omega SA Système de lunette tournante
EP2672332B1 (fr) * 2012-06-06 2019-11-13 Omega SA Système de lunette tournante amelioré
MX2014005834A (es) * 2013-05-17 2014-11-24 J R Internat Gmbh Caja de reloj.
JP6262480B2 (ja) * 2013-09-20 2018-01-17 セイコーインスツル株式会社 時計
USD724465S1 (en) * 2013-12-20 2015-03-17 Rolex Watch U.S.A., Inc. Watch dial
JP6741397B2 (ja) * 2014-02-10 2020-08-19 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 携帯時計側及び時計
FR3030069B1 (fr) * 2014-12-16 2020-03-20 Zrc Geneve Sa Montre a lunette tournante
USD760576S1 (en) 2015-02-10 2016-07-05 Master Lock Company Llc Lock
JP1547574S (ja) * 2015-03-10 2016-04-11
USD774926S1 (en) 2015-07-06 2016-12-27 Gary Butler Time-measuring instrument
EP3276432B1 (fr) * 2016-07-26 2020-03-25 Omega SA Sous-ensemble d'habillage pour piece d'horlogerie ou montre ou bijou
USD820712S1 (en) * 2016-12-15 2018-06-19 Montblanc-Simplo Gmbh Watch rim
USD820115S1 (en) * 2016-12-15 2018-06-12 Montblanc-Simplo Gmbh Watch case
JP7059607B2 (ja) 2017-12-11 2022-04-26 セイコーエプソン株式会社 回転ベゼル付時計
EP3543799B1 (fr) * 2018-03-20 2023-05-17 Omega SA Bague annulaire de maintien d'un systeme de lunette tournante
CH714976A1 (fr) * 2018-05-14 2019-11-15 Officine Panerai Ag Composant d'habillage horloger comprenant des moyens de blocage en rotation.
EP3582028A1 (fr) * 2018-06-13 2019-12-18 Rolex Sa Dispositif de crantage horloger
EP3712716B1 (fr) * 2019-03-21 2023-03-15 Rolex Sa Lunette de pièce d'horlogerie
JP2022099298A (ja) 2020-12-22 2022-07-04 ロレックス・ソシエテ・アノニム ノッチシステム用ばね及び時計ノッチシステム
JP2022099297A (ja) 2020-12-22 2022-07-04 ロレックス・ソシエテ・アノニム ノッチシステム用ばね及び時計ノッチシステム

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JP3620444B2 (ja) * 2000-12-11 2005-02-16 セイコーエプソン株式会社 時計

Also Published As

Publication number Publication date
EP1431845A1 (fr) 2004-06-23
DE60215683T2 (de) 2007-02-22
US20040141424A1 (en) 2004-07-22
CN100432868C (zh) 2008-11-12
US6871997B2 (en) 2005-03-29
HK1062202A1 (en) 2004-10-21
DE02406123T1 (de) 2005-01-13
CN1510534A (zh) 2004-07-07
DE60215683D1 (de) 2006-12-07
JP4402445B2 (ja) 2010-01-20
JP2004205515A (ja) 2004-07-22

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