EP1554635B1 - Betätigungsvorrichtung für uhren - Google Patents

Betätigungsvorrichtung für uhren Download PDF

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Publication number
EP1554635B1
EP1554635B1 EP03748111A EP03748111A EP1554635B1 EP 1554635 B1 EP1554635 B1 EP 1554635B1 EP 03748111 A EP03748111 A EP 03748111A EP 03748111 A EP03748111 A EP 03748111A EP 1554635 B1 EP1554635 B1 EP 1554635B1
Authority
EP
European Patent Office
Prior art keywords
crown
stem
seal
spring
watch
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
EP03748111A
Other languages
English (en)
French (fr)
Other versions
EP1554635A2 (de
Inventor
Jean Perret
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.)
KS 22 SA
Original Assignee
KS 22 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 KS 22 SA filed Critical KS 22 SA
Publication of EP1554635A2 publication Critical patent/EP1554635A2/de
Application granted granted Critical
Publication of EP1554635B1 publication Critical patent/EP1554635B1/de
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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/103—Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case

Definitions

  • the subject of the present invention is a watch-control device with a rotating and sliding rod provided with a control ring fixed angularly to said rod and able to move axially thereon, screwing itself onto an element of the box.
  • the watch when the device is not operational, in order to axially compress a seal, and in which a return spring acts on said ring tending to move it on the rod to clear its thread from that of said element of the box.
  • the seal is no longer subjected to any axial pressure when the ring is unscrewed, sealing being no longer ensured, with less safety, than by a second seal acting radially between an element of the box body and an element integral with the crown.
  • the object of the present invention is to improve the sealing of such watch control devices when the crown is not screwed in the locking position.
  • Document CH 682 199 G discloses a pre-tensioned waterproof crown on the box.
  • the control device described and shown belongs to a wristwatch movement housed in a box whose middle, partially shown, is designated by 1. This device is supported by a box tube 2, said of, screwed in 3 in a radial drilling that presents the middle part 1.
  • This device comprises a control rod 4, rotating and sliding, connected to the organs of movement that the device is intended to actuate, which have not been shown because being foreign to the present invention.
  • This rod is screwed at 5 into a barrel 6, the upper part of which is engaged in the central hollow 7 of a control ring 8 enabling the rod 4 to be actuated.
  • the barrel 6 carries screwed inwardly at 11, a rod 12 having a flange 12a, and which is extended, beyond this flange, by a projection 12 b of square section, engages into a correspondingly shaped hole 13 provided in the bottom, designated by 8a, a central housing 14 that presents the ring 8.
  • This housing 14 is closed by a disc 15 screwed to the end of the protrusion 12 b.
  • the ring 8 is angularly secured to the rod 4 while being able to move axially relative thereto.
  • the barrel 6 could be made in one piece with the shaft 12, its flange 12 a and the projection 12 b.
  • a cap 16 glued or welded into a rabbet 17 that has the crown, covers the hole of the housing 14 and makes it invisible. This cap will be able to carry a logo of the manufacturer of the watch.
  • a sealing gasket 18 is interposed between the flange 12a of the rod 12 and the tube box 3.
  • the skirt of the ring 8, designated by 8b is internally threaded at 19 while the box tube 6 is externally threaded at 20, which makes it possible to screw the crown onto the box tube when the control rod 4 occupies its pushed rest position, in which the control device is inoperative.
  • the bottom 8a of the inner housing 14 is supported axially against the gasket 18 and compresses it axially against the end of the can tube 3, ensures perfect sealing of the device.
  • a coil spring 21 accommodated in the recess 7 of the crown is interposed between the bottom, denoted by 8c thereof and the flange 12 is integral with the barrel 6.
  • This spring is dual function: firstly it tends to separate the ring from the box tube, so that when the ring is unscrewed, it can be manipulated, axially or rotatively, without interfering with the box tube, and secondly it exerts an axial force on the seal 18 even when the crown is unscrewed, at least when the control rod 4 is not pulled axially beyond its inoperative position (fig.2), so that if the user of the shows forget to screw the crown after he made use of the control device, this axial pressure exerted on the seal 18 comes to complete the seal already partially provided by the seal radial action 9.
  • the arrangement described and shown has yet another advantage over the known watch control devices of this type, in that the barrel 6 is in contact with the central bore of the box tube 3 and is thus perfectly guided axially when the ring is pressed against the box tube to screw it on it.
  • the coil spring 21 has a diameter greater than half the diameter of the ring, whereas in known devices of this type, the diameter of the spring is generally half as small, it follows that the crown is perfectly well “seated” on the tube box, under the effect of the spring and the aforementioned guide, so that it can be easily screwed, without there being a risk that the screwing does not start badly , which can cause a deterioration of the threads 19 and 20, the box tube 3 and the crown 8, respectively.
  • these threads may be trapezoidal, which will further facilitate their decision.
  • FIGS. 4 and 5 show an alternative embodiment of the control device according to the invention.
  • the elements identical to those described in connection with FIGS. 1 to 3 are designated by the same numerical references.
  • This embodiment differs essentially from the embodiment described in connection with FIGS. 1 to 3 by the means used to enable the joining together of rotation of the rod 4 with the ring 8 while allowing the axial displacement of the rod relative thereto.
  • the barrel 6 and the flange 12a are in one piece and the flange 12 a extends upwardly at its periphery by a cylindrical wall 12 defining a housing c 12 d in which is housed the spring 21.
  • the cylindrical wall 12 c terminates in a flange 12 f whose peripheral outer surface has an unevenness (FIG. 5).
  • the cylindrical inner wall 7a of the central recess 7 of the ring 8 has a corresponding shape aliasing aliasing of the flange 12 f, so as to cooperate for the crown is angularly integral with the barrel 6 and therefore of the rod 4 while being able to move axially with respect thereto.
  • the crown 8 is held on the flange 12 a, 12 c and 12 d by means of a snap ring 30 disposed in a groove in the cylindrical wall 7 a.
  • the ring cooperates with the flange 12 f to retain the ring 8 axially.
  • the elastic ring will be disposed along the wall 7 so as to limit crushing of the seal in the screwed-on position of the crown 8.
  • the bottom 7b of the recess of the ring 8 is completely closed, which allows for a ring 8 having an outer face without central opening, so that the use of a cap such as the cap 16 can be omitted.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Selective Calling Equipment (AREA)
  • Forging (AREA)
  • Push-Button Switches (AREA)
  • Switches With Compound Operations (AREA)

Claims (3)

  1. Betätigungsvorrichtung für eine Uhr, versehen mit einer drehbaren und verschiebbaren Welle (4) umfassend eine einstückig mit der Welle (4) ausgebildete, winkelige Betätigungskrone (8) und geeignet, sich axial zu dieser zu verschieben, und auf ein Element (2) des Gehäuses (1) der Uhr schraubbar, wenn die Vorrichtung nicht im Einsatz befindlich ist, um eine Dichtung (18) axial zu komprimieren, und wobei eine Rückstellfeder (21) auf die Krone (8) wirkt, die anstrebt, diese auf der Welle (4) zu verschieben, um ihre Gewindesteigung (19) von jener (20) des Elements (2) des Gehäuses freizusetzen, wobei sich die Feder (21) über das Element (2) des Gehäuses durch die Dichtung (18) abstützt, gekennzeichnet durch die Tatsache, daß wenn die Krone (8) losgeschraubt wird, zumindest dann, wenn keine Traktion auf die Welle (4) ausgeübt wird, die Dichtung (18) durch die Einwirkung der Kraft der Feder (21) auf sie teilweise komprimiert bleibt.
  2. Vorrichtung nach Anspruch 1, umfassend eine einstückig winklig mit der Krone (8) ausgebildete Hülse (6) und geeignet, sich axial zu dieser zu verschieben, und einstückig mit der Betätigungswelle (4) ausgebildet, gekennzeichnet durch die Tatsache, daß sich die Feder (21) über die Dichtung (18) durch einen Kragen (12a), der durch die Hülse (6) gebildet wird, abstützt.
  3. Vorrichtung nach Anspruch 2, gekennzeichnet durch die Tatsache, daß das Ende (12b) der Hülse (6) durch eine mittige Öffnung (14), die die Außenseite der Krone (8) aufweist, zugänglich ist, wobei die mittige Öffnung (14) durch eine Kappe (16) abgedeckt ist, die an der Krone (8) fixiert ist und die die Außenseite dieser überdeckt.
EP03748111A 2002-10-04 2003-10-02 Betätigungsvorrichtung für uhren Expired - Lifetime EP1554635B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH16612002 2002-10-04
CH166102 2002-10-04
PCT/EP2003/010947 WO2004031870A2 (fr) 2002-10-04 2003-10-02 Dispositif de commande pour montre

Publications (2)

Publication Number Publication Date
EP1554635A2 EP1554635A2 (de) 2005-07-20
EP1554635B1 true EP1554635B1 (de) 2006-07-26

Family

ID=32046630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03748111A Expired - Lifetime EP1554635B1 (de) 2002-10-04 2003-10-02 Betätigungsvorrichtung für uhren

Country Status (5)

Country Link
EP (1) EP1554635B1 (de)
AT (1) ATE334430T1 (de)
AU (1) AU2003267428A1 (de)
DE (1) DE60307126D1 (de)
WO (1) WO2004031870A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703671B1 (fr) * 2006-10-27 2012-03-15 Pibor Iso S A Couronne à visser et procédé de vissage d'une telle couronne.
ATE473603T1 (de) 2007-04-17 2010-07-15 Harman Becker Automotive Sys Akustische lokalisierung eines sprechers
EP3124881A1 (de) * 2015-07-28 2017-02-01 Siemens Aktiengesellschaft Peltierluftentfeuchter für den einbau in einen behälter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1246568A4 (de) * 1968-08-19 1970-09-30
CH691935A5 (de) * 1997-06-11 2001-11-30 Meco Sa Grenchen Sicherheitsventil für eine Uhr.

Also Published As

Publication number Publication date
DE60307126D1 (de) 2006-09-07
EP1554635A2 (de) 2005-07-20
WO2004031870A3 (fr) 2004-08-12
AU2003267428A8 (en) 2004-04-23
AU2003267428A1 (en) 2004-04-23
ATE334430T1 (de) 2006-08-15
WO2004031870A2 (fr) 2004-04-15

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