EP1280023B1 - Wasserdichte Krone für Uhrengehäuse - Google Patents

Wasserdichte Krone für Uhrengehäuse Download PDF

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Publication number
EP1280023B1
EP1280023B1 EP01118399A EP01118399A EP1280023B1 EP 1280023 B1 EP1280023 B1 EP 1280023B1 EP 01118399 A EP01118399 A EP 01118399A EP 01118399 A EP01118399 A EP 01118399A EP 1280023 B1 EP1280023 B1 EP 1280023B1
Authority
EP
European Patent Office
Prior art keywords
compression lock
pipe
compression
shaft
crown
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
EP01118399A
Other languages
English (en)
French (fr)
Other versions
EP1280023A1 (de
Inventor
Daniel Wild
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
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 Richemont International SA filed Critical Richemont International SA
Priority to DE60137213T priority Critical patent/DE60137213D1/de
Priority to EP01118399A priority patent/EP1280023B1/de
Priority to JP2002216834A priority patent/JP4361718B2/ja
Priority to US10/201,918 priority patent/US6902169B2/en
Publication of EP1280023A1 publication Critical patent/EP1280023A1/de
Application granted granted Critical
Publication of EP1280023B1 publication Critical patent/EP1280023B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00Cases
    • G04B37/08Hermetic sealing of openings, joints, passages or slits
    • G04B37/10Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/103Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case

Definitions

  • the present invention relates to a sealing device for a control member passing through the wall of a watch case such as a winding crown or a pusher for example.
  • This device is complex and requires a connection between the control member and the sleeve on the one hand and on the other hand slides between the sleeve and the tube. In addition, to move from the normal position to the locked position, the control member must be rotated on itself several revolutions.
  • the object of the present invention is the realization of a sealing device for a control member passing through the wall of a watch case which makes it possible to ensure a normal seal, for example resistant to 10 Atm, during use. of the control member and increased sealing when the control member is not used, for example resistant to 100 Atm.
  • Another object of the present invention is to avoid, during the transition from normal sealing to increased sealing, any angular and / or axial displacement of the control member to avoid any interaction with the controlled mechanism.
  • Yet another object of the invention is to provide such a sealing device which is simple to manufacture and assemble and which can be easily dismantled by the after-sales service, for example to change the seals.
  • the present invention relates to a sealing device for a control member passing through a watch case which overcomes the drawbacks of existing devices and makes it possible to achieve the purposes set out above.
  • This sealing device is distinguished by the features of claim 1.
  • the present sealing device for a control member passing through a box applies both to pushers and more particularly to a stem or winding crown.
  • This device makes it possible to considerably increase the tightness of the control member.
  • the normal tightness of about 10 Atm which is present during the manipulations of the control member can be increased to a value of the order of 100 Atm by a simple manipulation of a key compression, manipulation which also immobilizes the control member in its inactive position.
  • this sealing device is easy to manufacture and mount on a sealed box because it has only few parts easy to machine.
  • the after-sales service is simplified because the disassembly of the device, in particular to change the joints, can be done easily without return in factory by a watchmaker present at the point of sale.
  • the sealing device according to the present invention is illustrated in the accompanying drawing in connection with the sealing of a winding crown and comprises a tube 1 having a cylindrical inner portion and a cylindrical outer portion of larger diameter provided with a thread. 2. In its lower half, this tube 1 has a cylindrical bore while in its part the upper tube 1 has a conical central void flowing towards the outer end of the tube 1.
  • the cylindrical inner end of small diameter is forced out in a bore 3 passing through the sealed box 4.
  • the tube 1 further comprises an annular groove in which is placed an O-ring 5 cooperating with this tube 1, with the outer face of the box 4 and, as discussed below, with the compression key 6.
  • the compression key 6 of the first embodiment illustrated in FIGS. Figures 1 to 6 comprises a body provided with an internal thread corresponding to the thread 2 of the tube and screwed thereon. This body is provided with a chimney 7 whose inner face cooperates with the seal 5 and an upper portion 8 having the shape of a ring whose lower face has a conical portion.
  • the body of this compression key 6 further comprises two external fins 9 allowing its manipulation by the user.
  • the seal 5 provides a seal between the compression key 6 and the tube 1 and protects the thread 2.
  • this seal 5 ensures a certain friction between the tube 1 and the compression key so that it does not move unexpectedly, but only under the effect of a torque that the user prints to him.
  • the chimney 7 of the compression key 6 is milled about 180 ° from its periphery so as to create two stops 10, 11 intended to cooperate with the head of a screw 12 screwed into the watch case and thus limiting the rotation the compression key at about 180 °.
  • the periphery of the compression key 6 has a recess 13 allowing access to the head of the screw 12 for putting it in place or removing it for disassembling the sealing device and replacing the seals.
  • the screw 12 is a stop cooperating with the stops 10, 11 of the compression key to limit the rotation thereof between an open position and a closed position.
  • the sealing device further comprises a slotted ring, preferably in Delrin or steel, of conical shape, housed in the narrow part of the inner cone of the tube 1.
  • a slotted ring preferably in Delrin or steel, of conical shape, housed in the narrow part of the inner cone of the tube 1.
  • On this ring 14 is disposed an O-ring 15 whose part upper is supported under the upper part 8 of the compression key.
  • this seal 15 In the open position, unscrewed, of the compression key 6, this seal 15 is only partially compressed ( figure 2 ) while in the closed position, screwed, of the compression key, this seal 15 is completely compressed ( figure 1 ) between the upper part 8 of the compression key, the tube 1, the ring 14 and the rod 16 of the ring 17.
  • the winding crown 17 comprises a rod 16 passing through the upper part 8 of the compression key 6, the ring 14 and the cylindrical part of the tube 1.
  • the end of the rod 16 of the crown 17 is provided with two O-rings.
  • ring 18, 19 housed in a circular groove formed in the outer cylindrical wall of the rod 16. These seals 18, 19 provide normal sealing of the order of 10 Atm. between the tube 1 and the rod 16 when the compression key is open. In this position, the user can actuate the winding stem 16 axially and in rotation.
  • the seal 15 When the compression key is screwed or closed, the seal 15 is fully compressed and forces the split ring at the bottom of the cone of the tube 1 and against the winding stem 16. In this position the seal is very significantly increased and reaches a value 100 Atm and the rod 14 is blocked.
  • the stem 16 of the winding crown conventionally comprises an axial thread in its inner end for coupling it to the actual winding stem of the mechanism.
  • this sealing mechanism achieves a high seal, 100 Atm, in the closed position of the compression key and the winding is blocked.
  • the The watch can be worn in this position and it is only during reassembly or setting the time of the movement that the user releases the compression key to allow these functions. In this open position the seal is nevertheless guaranteed to a normal value of the order of 10 Atm.
  • An additional advantage of the sealing device lies in the fact that during the transition from the open position to the closed position of the compression key and vice versa, the rod 16 of the ring 17 undergoes no axial displacement which could damage the mechanism.
  • the compression key 6 does not have a fin 9 but an operating member is constituted by a notched crown.
  • the tube 1 comprising the thread 2 has a central cylindrical passage over its entire length and the seal 15 is housed between the outer end surface of the tube 1, the upper part 8 of the compression key 6 and the rod 16 of the In this embodiment, the compression seal 15 is mounted without the split ring 17.
  • the actuating member of the compression key 6 is formed by a jaw or striated cone and the ring 17 is mounted on the rod 16 so as to slide axially against the action of a spring 20 via a ring 21 driven into the ring 17 acting as an axial stop.
  • the skirt of the ring 17 has an internal cone corresponding to the outer cone of the compression key. So when the user presses the ring 17 against the action of the spring 20, it can rotate the compression key 6 with the aid of the ring 17 by coupling the two cones.
  • the drive of the compression key 6 by the ring 17 is effected by fins or by hexagon coupling when the ring 17 is pressed against the action of the spring 20.
  • the ring 17 is axially displaceable against the action of a spring 20 relative to the rod 16 and this axial movement engages and triggers a drive coupling between the ring 17 or the ring 21 which is secured to it and the key of compression 6.
  • the user can thus screw or unscrew the compression key by pressing the ring 17 and driving it in one direction or the other.
  • This coupling can be achieved by fins 22 and corresponding recesses 23 ( Fig. 9 ) or by a hexagon socket 24 and a hexagon socket 25 ( Fig. 10 ).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Sealing Devices (AREA)

Claims (11)

  1. Abdichtungsvorrichtung für ein Betätigungsorgan (17), das mit einer Welle (17) versehen ist, die ein wasserdichtes Gehäuse quert und ein in eine Bohrung (3) des Gehäuses (4) eingedrücktes Rohr (1) umfasst; wobei eine Welle (16) des Betätigungsorgans (17) in das Rohr (1) eingreift und zumindest eine Dichtung (18, 19) die normale Wasserdichtheit zwischen diesem Rohr und dieser Welle sichert, die Vorrichtung ein Druckschloss (6) mit einem Oberteil (8) umfasst, das über das Rohr (1) hinausragt und die Welle (16) des Betätigungsorgans (17) umgibt, und eine Druckdichtung (15) in dem zwischen dem Oberteil (8) des Druckschlosses, dem Rohr (1) und der Welle (16) gelegenen Raum untergebracht ist; dadurch gekennzeichnet, dass das Druckschloss (6) auf das Rohr (1) aufgeschraubt ist, und dadurch, dass die Abdichtungsvorrichtung Mittel (10, 11, 12) umfasst, die den Drehwinkel des Druckschlosses (6) begrenzen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Drehwinkel des Druckschlosses (6) auf einen Wert von weniger als 360° begrenzt ist.
  3. Vorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass das Druckschloss (6) Drehantriebsmittel umfasst.
  4. Vorrichtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die den Drehwinkel des Druckschlosses (6) begrenzenden Mittel eine im Gehäuse (4) angebrachte Hemmvorrichtung (12) sowie eine Fräsung umfassen, die im Druckschloss (6) angebracht ist und zwei Anschläge (10, 11) definiert.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Hemmvorrichtung aus einer Schraube (12) besteht und dass am Umfang des Druckschlosses (6) eine Aushöhlung (13) vorhanden ist, die Zugang zu dieser Schraube (12) für eine bestimmte Winkelstellung des Druckschlosses (6) gewährt.
  6. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der zentrale Durchgang des Rohres (1) in seinem äusseren Teil eine Kegelgestalt aufweist, die sich nach aussen hin aufweitet.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass in dem kegelförmigen Abschnitt geringen Durchmessers des inneren Durchgangs des Rohres (1) ein gespaltener Ring (14), der einen dreieckigen Querschnitt aufweist, der der Welle (16) der Krone (17) Durchlass gewährt, sowie die Druckdichtung (15) angeordnet sind.
  8. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Welle (16) mit der Krone (17) in einem Stück gefertigt und fest verbunden ist.
  9. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Krone (17) entgegen der Wirkung einer Feder (20) axial verschiebbar auf die Welle (16) montiert ist, mit der sie in ihrer Drehung fest verbunden ist.
  10. Vorrichtung nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, dass die Drehantriebsmittel des Druckschlosses eine Kupplung zwischen dem Druckschloss (6) und der Krone (17) umfassen, die eingerückt werden kann, wenn die Krone (17) entgegen der Wirkung der Feder (20) verschoben wird.
  11. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Gewindegang des Druckschlosses (6) und des Rohres zur Drehrichtung der Krone (17), die dem Aufzug eines im Gehäuse (4) untergebrachten Uhrwerks entspricht, entgegengesetzt ausgerichtet ist.
EP01118399A 2001-07-28 2001-07-28 Wasserdichte Krone für Uhrengehäuse Expired - Lifetime EP1280023B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60137213T DE60137213D1 (de) 2001-07-28 2001-07-28 Wasserdichte Krone für Uhrengehäuse
EP01118399A EP1280023B1 (de) 2001-07-28 2001-07-28 Wasserdichte Krone für Uhrengehäuse
JP2002216834A JP4361718B2 (ja) 2001-07-28 2002-07-25 腕時計ケーシング用密封装置
US10/201,918 US6902169B2 (en) 2001-07-28 2002-07-25 Sealed crown for watch casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01118399A EP1280023B1 (de) 2001-07-28 2001-07-28 Wasserdichte Krone für Uhrengehäuse

Publications (2)

Publication Number Publication Date
EP1280023A1 EP1280023A1 (de) 2003-01-29
EP1280023B1 true EP1280023B1 (de) 2008-12-31

Family

ID=8178189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01118399A Expired - Lifetime EP1280023B1 (de) 2001-07-28 2001-07-28 Wasserdichte Krone für Uhrengehäuse

Country Status (4)

Country Link
US (1) US6902169B2 (de)
EP (1) EP1280023B1 (de)
JP (1) JP4361718B2 (de)
DE (1) DE60137213D1 (de)

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CN100402011C (zh) * 2002-12-30 2008-07-16 齐永仁 一种多用组合式轮椅车
JP2004271361A (ja) * 2003-03-10 2004-09-30 Seiko Instruments Inc 携帯時計
JP2005030765A (ja) * 2003-07-07 2005-02-03 Seiko Instruments Inc 携帯時計
WO2005038538A1 (fr) * 2003-10-21 2005-04-28 Richemont International Sa Dispositif de commande a couronne-poussoir pour montre
WO2005040942A1 (fr) 2003-10-24 2005-05-06 Richemont International Sa Dispositif de commande à couronne débrayable pour montre
ATE487961T1 (de) 2004-11-22 2010-11-15 Manuf Favre & Perret S A Schutzvorrichtung für den zugang der aufzugseinrichtung einer taschenuhr
EP1853977B1 (de) * 2005-03-01 2013-04-03 Richemont International S.A. Blockierbarer drücker
EP1975749B1 (de) 2007-03-29 2014-05-21 Richemont International S.A. Uhr mit elastisch gehaltenem Uhrwerk
US8439559B2 (en) * 2010-03-23 2013-05-14 Bright Aggregation Technology Limited Timepiece with multi-functional actuator
CH704262B1 (fr) 2010-12-22 2015-09-15 Guenat Sa Montres Valgine Dispositif de commande.
JP2012189521A (ja) * 2011-03-13 2012-10-04 Seiko Instruments Inc 携帯時計
DE102013016273B4 (de) 2013-09-30 2021-09-09 Juri Schob Verriegelungsvorrichtung zum abdichten eines anzeigeinstruments
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CH717569B1 (fr) * 2020-06-26 2024-07-31 Omega Sa Tige-couronne d'une boîte de montre étanche, et boîte de montre la comprenant.

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Also Published As

Publication number Publication date
EP1280023A1 (de) 2003-01-29
US20030030230A1 (en) 2003-02-13
US6902169B2 (en) 2005-06-07
DE60137213D1 (de) 2009-02-12
JP4361718B2 (ja) 2009-11-11
JP2003065440A (ja) 2003-03-05

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