EP1554635A2 - Betätigungsvorrichtung für uhren - Google Patents

Betätigungsvorrichtung für uhren

Info

Publication number
EP1554635A2
EP1554635A2 EP03748111A EP03748111A EP1554635A2 EP 1554635 A2 EP1554635 A2 EP 1554635A2 EP 03748111 A EP03748111 A EP 03748111A EP 03748111 A EP03748111 A EP 03748111A EP 1554635 A2 EP1554635 A2 EP 1554635A2
Authority
EP
European Patent Office
Prior art keywords
crown
rod
seal
spring
barrel
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.)
Granted
Application number
EP03748111A
Other languages
English (en)
French (fr)
Other versions
EP1554635B1 (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

Links

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 present invention relates to a watch control device, with a rotary and sliding rod provided with a control crown angularly integral with said rod and able to move axially thereon, screwed onto an element of the case. the watch when the device is not operational, in order to compress axially a sealing gasket, and in which a return spring acts on said crown tending to move the latter on the rod to release its pitch from that of said item from the box.
  • the seal is no longer subjected to any axial pressure when the crown is unscrewed, the seal being no longer ensured, with less security, 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 tightness of such watch control devices when the crown is not screwed in in the locked position.
  • Fig. 1 is a section passing through the axis of the control rod, on a greatly enlarged scale, along line ll of FIG. 3, of a wristwatch control device, in the locking position, that is to say screwed, from the crown.
  • Fig. 2 is a similar section of this same device, in the inoperative position, that is to say in the position in which the rod is pushed, the crown having remained unscrewed, and
  • Fig. 3 is a cross section of this device, along line III-III of fis 1;
  • Fig. 4 is a section passing through the axis of the control rod, on a greatly enlarged scale, along line IV-IV of FIG. 5, of a wristwatch control device, represented in the left half in position locking, that is to say screwed, the crown and in the right half in the inoperative position, that is to say in the position in which the rod is pushed, the crown having remained unscrewed; and
  • Fig. 5 is a cross section of this device, along the line V-V of FIG. 4.
  • the control device described and shown belongs to a wristwatch movement housed in a box whose middle part, partially represented, is designated by 1.
  • This device is supported by a box tube 2, called pendant, screwed in 3 in a radial bore that has the middle part 1.
  • This device comprises a control rod 4, rotary and sliding, connected to the movement members that the device is intended to actuate, which have not been shown because they are 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 recess 7 of a control crown 8 making it possible to actuate the rod 4.
  • the barrel 6 carries, internally screwed in 11, a rod 12 having a collar 12a, and which extends, beyond this collar, by a projection 12b, of square section, engaged in a correspondingly shaped hole 13 formed in the bottom , designated by 8a, of a central housing 14 that has the crown 8.
  • This housing 14 is closed by a pellet 15 screwed to the end of the projection 12b.
  • the crown 8 is angularly integral with the rod 4 while being able to move axially relative to the latter.
  • the barrel 6 could have come in one piece with the rod 12, its collar 12a and its projection 12b.
  • a seal 18 is interposed between the flange 12a of the rod 12 and the box tube 3. Furthermore, the skirt of the crown 8, designated by 8b, is internally threaded at 19 while the box tube 6 is externally threaded at 20, which allows the crown to be screwed onto the box tube when the control rod 4 occupies its pushed, rest position, in which the control device is inoperative. In this screwed position of the crown, the bottom 8a of its internal housing 14 bears axially against the seal 18 and compresses it axially against the end of the box tube 3, ensuring perfect sealing of the device.
  • a coil spring 21 housed in the recess 7 of the crown is interposed between the bottom, designated by 8c, of the latter and the collar 12a secured to the barrel 6.
  • This spring has a dual function: on the one hand it tends to separate the crown from the box tube, so that, when the crown is unscrewed, it can be manipulated, axially or rotatably, without interfering with the box tube, and on the other hand it exerts an axial force on the packing d 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 watch forgets to screw the crown back on after it has made use of the control device, this axial pressure exerted on the seal 18 completes the seal already partially ensured by the radially acting seal 9.
  • the arrangement described and shown has yet another advantage over 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 axially guided when the crown is pressed against the case tube in order to screw it onto it.
  • the coil spring 21 has a diameter greater than half the diameter of the crown, whereas, in known devices of this type, the diameter of the spring is generally half as large, it follows that the crown is perfectly well “seated” on the case tube, under the effect of the spring and the aforementioned guide, so that it can be easily screwed, without there being any risk that the screwing does not start badly , which can cause deterioration of the threads 20 and 19 of the box tube 3 and of the crown 8, respectively.
  • these threads may be trapezoidal, which will further facilitate their taking.
  • FIGS. 4 and 5 there is shown an alternative embodiment of the control device according to the invention. Elements identical to those described in connection with Figures 1 to 3 are designated by the same reference numerals. This embodiment is essentially distinguished from the embodiment described in connection with FIGS. 1 to 3 by the means used to allow the joining in rotation of the rod 4 with the crown 8 while allowing the axial displacement of the rod relative to the latter.
  • the barrel 6 and the collar 12a are in one piece and the collar 12a is extended upwards at its periphery by a cylindrical wall 12c defining a housing 12d in which is housed the spring 21.
  • the cylindrical inner wall 7a of the central recess 7 of the crown 8 has a crenellation corresponding to the crenelling of the rim 12f, so as to cooperate so that the crown is angularly integral with the barrel 6 and consequently with the rod 4 while being able to move axially relative to it.
  • the crown 8 is held on the flange 12a, 12c and 12d by means of an elastic ring 30 disposed in a groove formed in the cylindrical wall 7a.
  • the ring cooperates with the rim 12f to retain the crown 8 axially.
  • the elastic ring will be placed along the wall 7 so as to limit the crushing of the seal in the screwed position of the crown 8.
  • the bottom 7b of the recess in the crown 8 is completely closed, which makes it possible to produce a crown 8 having an external 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)
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
CH166102 2002-10-04
CH16612002 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 true EP1554635A2 (de) 2005-07-20
EP1554635B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9338549B2 (en) 2007-04-17 2016-05-10 Nuance Communications, Inc. Acoustic localization of a speaker

Families Citing this family (2)

* 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.
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.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004031870A3 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9338549B2 (en) 2007-04-17 2016-05-10 Nuance Communications, Inc. Acoustic localization of a speaker

Also Published As

Publication number Publication date
AU2003267428A8 (en) 2004-04-23
WO2004031870A3 (fr) 2004-08-12
DE60307126D1 (de) 2006-09-07
EP1554635B1 (de) 2006-07-26
ATE334430T1 (de) 2006-08-15
AU2003267428A1 (en) 2004-04-23
WO2004031870A2 (fr) 2004-04-15

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