EP1975749B1 - Uhr mit elastisch gehaltenem Uhrwerk - Google Patents

Uhr mit elastisch gehaltenem Uhrwerk Download PDF

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Publication number
EP1975749B1
EP1975749B1 EP20080002150 EP08002150A EP1975749B1 EP 1975749 B1 EP1975749 B1 EP 1975749B1 EP 20080002150 EP20080002150 EP 20080002150 EP 08002150 A EP08002150 A EP 08002150A EP 1975749 B1 EP1975749 B1 EP 1975749B1
Authority
EP
European Patent Office
Prior art keywords
timepiece
movement
tube
shock absorber
elastic shock
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
Application number
EP20080002150
Other languages
English (en)
French (fr)
Other versions
EP1975749A3 (de
EP1975749A2 (de
Inventor
Francis Cretin
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.)
Richemont International SA
Original Assignee
Richemont International SA
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Filing date
Publication date
Application filed by Richemont International SA filed Critical Richemont International SA
Publication of EP1975749A2 publication Critical patent/EP1975749A2/de
Publication of EP1975749A3 publication Critical patent/EP1975749A3/de
Application granted granted Critical
Publication of EP1975749B1 publication Critical patent/EP1975749B1/de
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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
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches
    • G04B37/055—Fixed mountings for pocket or wrist watches with shock damping means including the winding stem

Definitions

  • the present invention relates to a timepiece, such as a wristwatch, whose movement is held inside the box by a shock absorbing elastic support for protecting the movement against shocks.
  • Timepieces of this type are described in the documents CH 490 709 and CH 524 177 .
  • the winding and time setting rod can be subjected to high bending stresses in the event of shock causing a movement movement inside the box. These stresses can damage the mechanism of winding and setting time in the movement.
  • the document GB 1295347 discloses a watch with movement elastically shows inside the box.
  • the present invention aims at providing a timepiece whose movement is held elastically and in which the stresses on the winding stem or any other manual control member are reduced.
  • a timepiece according to claim 1 attached, that is to say a timepiece comprising a box, a movement, a resilient elastic member holding the movement inside the box and a manual control member passing through a wall of the box and connected to the movement, characterized in that it further comprises a rigid tube passing through said wall and secured to the movement, tube in which is engaged the manual control member, and a damping elastic sleeve interposed between the tube and said wall.
  • the manual control member is engaged in a rigid tube.
  • This tube is not fixed rigidly in the wall of the box, like the usual crown tubes, but is integral with the movement.
  • This tube is further surrounded by a shock absorbing elastic sleeve that allows it to move with the movement, with respect to the box, during an impact or during a lateral pressure exerted by the user on the body of manual control. In this way, the manual control member undergoes substantially no bending stresses.
  • a timepiece comprises a box 1 comprising, traditionally, a middle part 2, a bezel 3 in which is fixed a glass 4, and a bottom 5.
  • the bezel 3 is in two parts, namely an inner portion 3a and an outer portion 3b fixed to one another.
  • the bottom 5 is also in two parts, namely a central portion 5a constituted by an ice and a peripheral portion 5b in which is fixed the ice 5a.
  • the inner face of the middle part 2 defines a groove 6 in which is housed a ring 7 made of an elastic material such as natural or synthetic rubber.
  • the ring 7 has an outer face 8 of concave section to increase its elasticity in the radial plane and comprises on its inner face a broken annular projection forming disjoint tongues 9.
  • These tongues 9 are clamped between an upper circle 10 surmounted by a flange 11 and which rests on the upper face of these tongues 9, and a lower circle 12 which rests on the underside of these tongues 9.
  • the surface of the lower circle 12 which rests on the underside of the tongues 9 is defined by a shoulder 13. Above this shoulder 13, the lower circle 12 defines an inner thin annular portion 14 and outer radial ears 15.
  • the lugs 15 have a position, a shape and a size adapted to be placed between the tongues 9.
  • the lugs 15 are each traversed by a bore 16 which passes axially through the wall of the lower circle 12 from one side to the other. These bores 16 communicate and are aligned with threaded blind holes 17 formed in the upper circle 10.
  • a screw 18 is inserted into each pair of bores 16, 17 to tighten the circles 10, 12 between them and to tighten the tongues 9 between them. circles 10, 12.
  • the movement of the timepiece shown schematically by its overall volume 19, is disposed within the annular structure formed by the elastic ring 7 and the circles 10 and 12.
  • the movement 19 has a rim 20 defined by its plate.
  • the flange 20 bears on the thin annular portion 14 of the lower circle 12 and is held on this support 14 by lugs 21 projecting on the inner face of the upper circle 10, lugs 21 which rest on the upper face of the movement 19, more precisely platinum.
  • the movement 19, the upper circle 10 and the lower circle 12 form a rigid assembly fixed to the elastic ring 7.
  • This assembly can move relative to the box 1, in particular axially and radially, by deformation of the ring 7.
  • a game sufficient is provided between this assembly 10, 12, 19 and the inner face of the middle part 2, and between this assembly 10, 12, 19 and the ice cream 4 on the one hand and the bottom 5 on the other hand, to allow such a displacement.
  • the elastic ring 7 acts as a shock absorber protecting the movement 19.
  • the timepiece according to the invention further comprises, in a manner known per se, a manual control member 22 that can take several axial positions and / or rotate about its axis to control a movement mechanism 19.
  • This control member manual 22 is typically a winding and setting rod 23 at the end of which is fixed a ring 24. It is accessible from the outside of the box 1 and passes successively through the wall of the middle part 2 and the wall of the lower circle 12 to enter the movement 19.
  • the manual control member 22 is engaged in a rigid tube 25 which passes through the wall of the middle part 2 and which is fixed at its end, for example by driving or screwing, in the wall of the lower circle 12.
  • the tube 25 is thus integral with the assembly formed by the movement 19 and the circles 10 and 12.
  • the tube 25 is typically made of metal, for example steel or titanium.
  • This tube 25 is surrounded by a sleeve 26 of elastic material, for example natural or synthetic rubber. More precisely, this sleeve 26 is compressed between the tube 25 and the wall of the opening 2a of the middle part 2 in which the tube 25 and the manual control member 22 pass, to serve as both a damping member and a gasket. sealing.
  • this sleeve 26 is connected to the elastic ring 7 by forming a radial external projection thereof, as shown in FIG. figure 3 . More preferably, the sleeve 26 is formed in one piece with the elastic ring 7.
  • the tube 25 moves rigidly with this assembly 19, 10, 12 and causes with it the manual control member 22 which therefore does not undergo bending stresses.
  • the tube 25 avoids direct contact of the manual control member 22, typically made of metal, with the elastic material of the sleeve 26, which contact would cause significant friction when handling the manual control member 22.
  • the tightness of the timepiece according to the invention is provided by a seal 27 between the lens 4 and the bezel 3, a seal 28 between the bezel 3 and the middle part 2, a seal 29 between the middle part 2 and the part device 5b of the bottom 5, a seal 29a between the peripheral portion 5b and the central portion 5a of the bottom 5, the sleeve 26 between the tube 25 and the middle part 2 and one or more seals 30 between the manual control member 22 and the inner wall of the tube 25.
  • a compression key 31 according to the patent US 6,902,169 of the present applicant may be provided with associated seals 32.
  • the damping elastic ring 7 does not provide a sealing function. Thus, it does not need to be constrained and can therefore fully fulfill its damper function.
  • the timepiece according to the invention is easy to assemble and disassemble. Thanks to its flexibility, the monolithic piece defining the ring 7 and the sleeve 26 can be easily put in place in the groove 6 of the inner face of the middle part 2, for the ring 7, and in the through opening 2a of the middle part 2, for the sleeve 26. Then we can place the lower circle 12 against the tongues 9, pass the tube 25 in the opening 2a and fix it in the lower circle 12, put the movement 19 in support on the circle lower 12, place the upper circle 10 on the tongues 9 and screw the circles 10 and 12 against each other. With such an assembly, the Motion 19 is held securely and can be easily disassembled and removed from box 1 for repair or maintenance, for example.
  • the tube 25 could be fixed in the plate of the movement 19 or in the wall of the upper circle 10.
  • the support tongues 9 could be replaced by a ring Continuous having holes for the passage of the screws 18.
  • the support lugs 21 could be replaced by a continuous ring.
  • the elastic ring 7 may comprise several sleeves 26 on its periphery and each manual control member may to be engaged in a corresponding rigid tube secured to the movement and surrounded by such a sleeve.
  • the box 1 and the middle part 2 may have various shapes other than circular.
  • the ring 7, the upper circle 10 and the lower circle 12 will be replaced by elements having a shape better adapted to the box, surrounding the movement 19 like the elements 7, 10 and 12 and fulfilling the functions described herein. -above.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Claims (10)

  1. Uhr, die ein Gehäuse (1), ein Uhrwerk (19), ein elastisches Stoßdämpferorgan (7), das das Uhrwerk (19) im Inneren des Gehäuses (1) hält, und ein manuelles Betätigungselement (22) umfasst, das eine Wand (2) des Gehäuses (1) durchquert und mit dem Uhrwerk (19) verbunden ist, wobei die Uhr ferner ein starres Rohr (25), das die Wand (2) durchquert, wobei in dem Rohr (25) das manuelle Betätigungsorgan (22) in Eingriff ist, und eine elastische Stoßdämpferhülse (26) umfasst, die zwischen dem Rohr (25) und der Wand (2) dazwischengestellt ist, dadurch gekennzeichnet, dass das Rohr (25) fest mit dem Uhrwerk verbunden ist.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass die elastische Stoßdämpferhülse (26) ebenfalls als Dichtung dient.
  3. Uhr nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die elastische Stoßdämpferhülse (26) einteilig mit dem elastischen Stoßdämpferorgan (7) gebildet ist.
  4. Uhr nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das elastische Stoßdämpferorgan (7) das Uhrwerk (19) umgibt.
  5. Uhr nach Anspruch 4, dadurch gekennzeichnet, dass das elastische Stoßdämpferorgan (7) ein oder mehrere erste/s Auflageorgan/e (9) umfasst, das/die von seiner Innenfläche vorspringt/vorspringen, wobei dieses oder diese erste/n Auflageorgan/e (9) zwischen ein unteres Element (12) und ein oberes Element (10) geklemmt ist/sind, die das Uhrwerk (19) umgeben und aneinander befestigt sind, wobei das untere Element (12) einen Abschnitt (14) umfasst, auf dem ein Rand (20) des Uhrwerks (19) aufliegt, wobei das obere Element (10) ein oder mehrere zweite/s Auflageorgan/e (21) umfasst, das/die das Uhrwerk (19) gegen den Abschnitt (14) hält/halten.
  6. Uhr nach Anspruch 5, dadurch gekennzeichnet, dass das Rohr (25) mit seinem Ende in dem unteren (12) oder oberen (10) Element befestigt ist.
  7. Uhr nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die ersten Auflageorgane (9) Federn sind und dadurch, dass das untere (12) und obere (10) Element über Schrauben (18) aneinander befestigt sind, die zwischen diesen Federn (9) verlaufen.
  8. Uhr nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das elastische Stoßdämpferorgan (7) und die elastische Stoßdämpferhülse (26) aus Kautschuk sind.
  9. Uhr nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das starre Rohr (25) aus Metall ist.
  10. Uhr nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das manuelle Betätigungsorgan (22) eine Betätigungswelle (23) und eine Krone (24) umfasst, die fest mit der Betätigungswelle (23) verbunden ist.
EP20080002150 2007-03-29 2008-02-06 Uhr mit elastisch gehaltenem Uhrwerk Active EP1975749B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5092007 2007-03-29

Publications (3)

Publication Number Publication Date
EP1975749A2 EP1975749A2 (de) 2008-10-01
EP1975749A3 EP1975749A3 (de) 2013-05-01
EP1975749B1 true EP1975749B1 (de) 2014-05-21

Family

ID=39185909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080002150 Active EP1975749B1 (de) 2007-03-29 2008-02-06 Uhr mit elastisch gehaltenem Uhrwerk

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EP (1) EP1975749B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105700329A (zh) * 2016-05-06 2016-06-22 深圳市中世纵横设计有限公司 一种具有抗震功能的镂空表结构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702655B1 (fr) 2010-02-15 2015-11-30 Ball Watch Company Sa Support antimagnétique et antichoc pour mouvement horloger.
EP3076245B1 (de) 2015-04-02 2021-03-17 CSEM Centre Suisse D'electronique Et De Microtechnique SA Dämpfungsvorrichtung, insbesondere für mikromechanische uhrkomponente
EP3974914A1 (de) * 2020-09-25 2022-03-30 The Swatch Group Research and Development Ltd Vorrichtung zum blockieren einer uhrwerk

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580833B5 (de) * 1969-02-17 1976-10-15 Schlup & Cie Sa
FR2104731B2 (de) * 1969-11-07 1974-04-26 Uebelhardt Roger
DE7511355U (de) * 1975-04-11 1975-06-14 Hirsch A Kg Armbanduhr
CH632890B (fr) 1979-08-08 Gen Watch Co Ltd Procede de fabrication d'une boite de montre et boite de montre obtenue par ce procede.
DE60137213D1 (de) 2001-07-28 2009-02-12 Richemont Int Sa Wasserdichte Krone für Uhrengehäuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105700329A (zh) * 2016-05-06 2016-06-22 深圳市中世纵横设计有限公司 一种具有抗震功能的镂空表结构

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Publication number Publication date
EP1975749A3 (de) 2013-05-01
EP1975749A2 (de) 2008-10-01

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