EP1124167B1 - Device for orientating a threaded watch crown - Google Patents

Device for orientating a threaded watch crown Download PDF

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Publication number
EP1124167B1
EP1124167B1 EP20010810100 EP01810100A EP1124167B1 EP 1124167 B1 EP1124167 B1 EP 1124167B1 EP 20010810100 EP20010810100 EP 20010810100 EP 01810100 A EP01810100 A EP 01810100A EP 1124167 B1 EP1124167 B1 EP 1124167B1
Authority
EP
European Patent Office
Prior art keywords
watch
crown
ring
tube
screwed
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
EP20010810100
Other languages
German (de)
French (fr)
Other versions
EP1124167A1 (en
Inventor
Jacques-Francois Wagen
Jean-Pierre Slavic
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.)
BONINCHI SA
Original Assignee
BONINCHI 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 BONINCHI SA filed Critical BONINCHI SA
Publication of EP1124167A1 publication Critical patent/EP1124167A1/en
Application granted granted Critical
Publication of EP1124167B1 publication Critical patent/EP1124167B1/en
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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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 device for adjusting the orientation of a crown to a watch with respect to the watch, said ring being able to take a unscrewed position and a screwed position relative to the middle part of a tube fixed to the middle part .
  • the present invention also relates to a watch comprising such a device.
  • screw crowns on watches are well known.
  • the crown can take a unscrewed position in which it is possible to set the time of the watch, the date etc. and a screwed position, which is the position in which the watch is worn, in which the crown is tightened and locked on the tube of the watch.
  • a problem with conventional crowns is that it is very difficult, if not impossible, to orient permanently during production, the corresponding threads of the middle part of the watch and the crown of that, for each watch produced, the screwed crown, is always in the same position relative to the middle part. This can be problematic if the shape of the crown is not symmetrical in particular, or if the crown has a particular logo: the position of the crown or the logo relative to the caseband is then different for each watch produced, once that the crown is screwed.
  • the document CH 242,198 discloses a sealed crown winding screwing on the box and having, inside an axial tube, a coupling device with the winding stem, arranged and shaped so that said crown can perform, when unscrewed , reassembly and time setting functions.
  • the axial tube is fixedly attached to the ring gear and has, at its opposite end to the ring gear, a part projecting inside and constituting one of the elements of the coupling, the other elements of the coupling being introduced. in the tube before fixing it to the crown.
  • the object of the invention is to improve the known devices.
  • the object of the invention is to propose a simple system which makes it possible to fine-adjust the position of the screwed crown relative to the middle part, while preserving the sealing qualities of the watch.
  • the claim 6 defines a watch comprising a device according to the invention.
  • the figure 1 shows a sectional view of a first embodiment of the invention.
  • the figure 2 shows a sectional view of a second embodiment of the invention.
  • the first embodiment of the invention is shown by way of example.
  • a ring 1 which is screwed onto a tube 2, said tube being itself fixed to the middle part 3 of the watch.
  • This crown may further comprise a logo 4, schematized by dashed lines.
  • several seals are placed between the ring and the tube to seal, namely an O-ring 5 and a first flat seal 6 which is compressed when the crown 1 is screwed onto the tube 2.
  • the crown 1 is screwed onto the tube 2 by means of a suitable thread 7 in the ring 1 and a corresponding thread 8 on the tube 2.
  • the means for adjusting the position of the ring 1 relative to the middle part 3 of the watch comprise a ring 10 which is placed between the middle part 3 and the tube 2.
  • this ring 10 is formed in a shape memory metal alloy, for example a nickel-titanium alloy such as the "Micro-Niti" alloy from the company Microfil Industries SA. Thanks to this intermediate ring, a system is obtained which enables An angular adjustment of the crown 1. In fact, by appropriately using the shape memory effect related to the temperature, it is possible to realize a system allowing a fine adjustment which is independent of the start of the thread 8 of the tube 2. and the beginning of tapping 7 of the ring 1.
  • the ring 10 completely closes the connection it makes between the middle part 3 and the tube 2, at room temperature and despite normal temperature differences that could be experienced by a watch being worn.
  • the rotation of the tube 2 is blocked and the position of the ring 1 screwed relative to the middle part 3 is fixed.
  • the figure 2 shows a second embodiment of the invention, in which, the elements identical to the first embodiment have the same references, the main difference residing in the position of the ring 10 of the figure 1 .
  • the ring bears the reference 11 and is not between the tube 2 and the middle part 3 (see figure 1 ) but between the ring 1 itself and the tube 2.
  • the tube 2 is driven conventionally in the middle part of the watch (not shown), and it is the ring 11 itself that supports the tapping 12 of the ring 1 which is intended to be screwed on the thread of the tube 2.
  • shape memory alloy ring is a non-limiting example. Other alloys are possible. Similarly, other equivalent systems allowing in particular to temporarily create a game between the crown and the middle part of the watch are possible, the idea being to allow such a game that in particular conditions and to prevent it under conditions normal use.

Description

La présente invention concerne un dispositif pour régler l'orientation d'une couronne à vis d'une montre par rapport à la montre, ladite couronne pouvant prendre une position dévissée et une position vissée par rapport à la carrure sur un tube fixé à la carrure. La présente invention concerne également une montre comportant un tel dispositif.The present invention relates to a device for adjusting the orientation of a crown to a watch with respect to the watch, said ring being able to take a unscrewed position and a screwed position relative to the middle part of a tube fixed to the middle part . The present invention also relates to a watch comprising such a device.

L'utilisation de couronnes à vis sur des montres est bien connue. En général, la couronne peut prendre une position dévissée dans laquelle il est possible de régler l'heure de la montre, la date etc. et une position vissée, qui est la position dans laquelle on porte la montre, dans laquelle la couronne est serrée et bloquée sur le tube de la montre.The use of screw crowns on watches is well known. In general, the crown can take a unscrewed position in which it is possible to set the time of the watch, the date etc. and a screwed position, which is the position in which the watch is worn, in which the crown is tightened and locked on the tube of the watch.

Un problème auquel l'on est confronté avec les couronnes classiques est qu'il est très difficile, voire impossible, d'orienter de manière permanente au cours de la production, les filetages correspondants de la carrure de la montre et de la couronne de façon à ce que, pour chaque montre produite, la couronne vissée, soit toujours dans la même position relativement à la carrure. Cela peut poser des problème si la forme de la couronne n'est pas symétrique notamment, ou si la couronne comporte un logo particulier: la position de la couronne ou du logo par rapport à la carrure est alors différente pour chaque montre produite, une fois que la couronne est vissée.A problem with conventional crowns is that it is very difficult, if not impossible, to orient permanently during production, the corresponding threads of the middle part of the watch and the crown of that, for each watch produced, the screwed crown, is always in the same position relative to the middle part. This can be problematic if the shape of the crown is not symmetrical in particular, or if the crown has a particular logo: the position of the crown or the logo relative to the caseband is then different for each watch produced, once that the crown is screwed.

Le document CH 242 198 décrit un remontoir étanche à couronne se vissant sur la boîte et possédant, à l'intérieur d'un tube axial, un dispositif d'accouplement avec la tige de remontoir, disposé et conformé de façon que ladite couronne puisse accomplir, lorsque elle est dévissée, les fonctions de remontage et de mises à l'heure. Le tube axial est fixé à demeure à la couronne et présente, à son extrémité opposée à la couronne, une partie faisant saillie à l'intérieur et constituant l'un des éléments de l'accouplement, les autres éléments de l'accouplement étant introduits dans le tube avant sa fixation à la couronne.The document CH 242,198 discloses a sealed crown winding screwing on the box and having, inside an axial tube, a coupling device with the winding stem, arranged and shaped so that said crown can perform, when unscrewed , reassembly and time setting functions. The axial tube is fixedly attached to the ring gear and has, at its opposite end to the ring gear, a part projecting inside and constituting one of the elements of the coupling, the other elements of the coupling being introduced. in the tube before fixing it to the crown.

Le but de l'invention est d'améliorer les dispositifs connus.The object of the invention is to improve the known devices.

Plus particulièrement, l'invention a pour but de proposer un système simple qui permette d'ajuster de manière fine la position de la couronne vissée par rapport à la carrure, tout en conservant les qualités d'étanchéité de la montre.More particularly, the object of the invention is to propose a simple system which makes it possible to fine-adjust the position of the screwed crown relative to the middle part, while preserving the sealing qualities of the watch.

Ce but est atteint par les caractéristiques de la revendication 1.This object is achieved by the features of claim 1.

Les revendications dépendantes 2 à 5 définissent des modes d'exécution particuliers du système selon l'invention.Dependent claims 2 to 5 define particular embodiments of the system according to the invention.

La revendication 6 définit une montre comportant un dispositif selon l'invention.The claim 6 defines a watch comprising a device according to the invention.

L'invention sera mieux comprise par la description de deux modes d'exécution de celle-ci et des figures qui les accompagnent.The invention will be better understood by the description of two embodiments thereof and accompanying figures.

La figure 1 montre une vue en coupe d'un premier mode d'exécution de l'invention.The figure 1 shows a sectional view of a first embodiment of the invention.

La figure 2 montre une vue en coupe d'un deuxième mode d'exécution de l'invention.The figure 2 shows a sectional view of a second embodiment of the invention.

Dans la figure 1, on a représenté, à titre d'exemple, le premier mode d'exécution de l'invention. Dans ce mode, on trouve une couronne 1 qui est vissée sur un tube 2, ledit tube étant lui-même fixé à la carrure 3 de la montre. Cette couronne peut en outre comporter un logo 4, schématisé par des traits tiretés. De manière classique, plusieurs joints sont placés entre la couronne et le tube pour assurer l'étanchéité, à savoir un joint O-ring 5 et un premier joint plat 6 qui est comprimé lors du vissage de la couronne 1 sur le tube 2.In the figure 1 the first embodiment of the invention is shown by way of example. In this mode, there is a ring 1 which is screwed onto a tube 2, said tube being itself fixed to the middle part 3 of the watch. This crown may further comprise a logo 4, schematized by dashed lines. Conventionally, several seals are placed between the ring and the tube to seal, namely an O-ring 5 and a first flat seal 6 which is compressed when the crown 1 is screwed onto the tube 2.

Le vissage de la couronne 1 sur le tube 2 s'effectue par l'intermédiaire d'un taraudage 7 approprié dans la couronne 1 et d'un filetage 8 correspondant sur le tube 2.The crown 1 is screwed onto the tube 2 by means of a suitable thread 7 in the ring 1 and a corresponding thread 8 on the tube 2.

On trouve encore un deuxième joint plat 9 entre le tube 2 et la carrure 3 qui permet d'assurer l'étanchéité du boîtier de montre. Ce deuxième joint plat est facultatif lorsque le tube 2 est soudé ou chassé sur la carrure 3.There is still a second flat gasket 9 between the tube 2 and the middle part 3 which makes it possible to seal the watch case. This second flat gasket is optional when the tube 2 is welded or chased on the middle part 3.

Les moyens permettant l'ajustement de la position de la couronne 1 par rapport à la carrure 3 de la montre comprennent une bague 10 qui est placée entre la carrure 3 et le tube 2. Pour le mode d'exécution de la figure 1, cette bague 10 est formée dans un alliage métallique à mémoire de forme, par exemple un alliage de nickel-titane comme l'alliage "Micro-Niti" de la société Microfil Industries S.A. Grâce à cette bague intermédiaire, on obtient un système qui permet un ajustement angulaire de la couronne 1. En effet, en utilisant de manière appropriée l'effet de mémoire de forme lié à la température, il est possible de réaliser un système permettant un ajustement fin qui est indépendant du début du filetage 8 du tube 2 et du début du taraudage 7 de la couronne 1. Dans le cas présent, il est nécessaire que la bague 10 ferme de manière complètement étanche la liaison qu'elle réalise entre la carrure 3 et le tube 2, à la température ambiante et malgré des écarts de température normaux que pourrait subir une montre qui est portée. Ainsi, la rotation du tube 2 est bloquée et la position de la couronne 1 vissée par rapport à la carrure 3 est fixe.The means for adjusting the position of the ring 1 relative to the middle part 3 of the watch comprise a ring 10 which is placed between the middle part 3 and the tube 2. For the embodiment of the figure 1 , this ring 10 is formed in a shape memory metal alloy, for example a nickel-titanium alloy such as the "Micro-Niti" alloy from the company Microfil Industries SA. Thanks to this intermediate ring, a system is obtained which enables An angular adjustment of the crown 1. In fact, by appropriately using the shape memory effect related to the temperature, it is possible to realize a system allowing a fine adjustment which is independent of the start of the thread 8 of the tube 2. and the beginning of tapping 7 of the ring 1. In this case, it is necessary that the ring 10 completely closes the connection it makes between the middle part 3 and the tube 2, at room temperature and despite normal temperature differences that could be experienced by a watch being worn. Thus, the rotation of the tube 2 is blocked and the position of the ring 1 screwed relative to the middle part 3 is fixed.

En revanche, en utilisant des températures particulières, qui dépendent de l'alliage utilisé pour la bague 10, on peut arriver à diminuer la taille de la bague 10 et ainsi permettre une rotation du tube 2 par rapport à la carrure 3. Lors du montage d'une montre, il est alors très facile de régler la position d'une couronne 1 serrée sur le tube 2 en créant un jeu temporaire entre le tube 2 et la carrure 3 par contraction de la bague 10. Ainsi, on obtient des séries de montres qui, après ajustement, comportent des couronnes vissées orientées toutes dans la même direction par rapport à la carrure.On the other hand, by using particular temperatures, which depend on the alloy used for the ring 10, it is possible to reduce the size of the ring 10 and thus allow rotation of the tube 2 relative to the caseband 3. During assembly of a watch, it is then very easy to adjust the position of a ring 1 tight on the tube 2 by creating a temporary game between the tube 2 and the middle part 3 by contraction of the ring 10. Thus, we obtain series of watches which, after adjustment, comprise screwed crowns oriented all in the same direction relative to the middle part.

La figure 2 montre une deuxième forme d'exécution de l'invention, dans laquelle, les éléments identiques au premier mode d'exécution ont les mêmes références, la principale différence résidant dans la position de la bague 10 de la figure 1. Dans ce cas en effet, la bague porte la référence 11 et se trouve non pas entre le tube 2 et la carrure 3 (voir figure 1) mais entre la couronne 1 elle-même et le tube 2. En fait, le tube 2 est chassé de manière classique dans la carrure de la montre (non-représentée), et c'est la bague 11 elle-même qui supporte le taraudage 12 de la couronne 1 qui est destiné à se visser sur le filetage du tube 2. De même que dans le premier mode d'exécution de la figure 1, en jouant sur la déformation de la bague 11, en particulier en diminuant son diamètre, on peut créer un jeu temporaire entre la couronne 1 et le tube 2, ce qui permet d'ajuster angulairement la position vissée de la couronne sur le tube 2. Celui-ci étant fixe par rapport à la carrure, on ajuste par conséquent la position angulaire de la couronne 1 par rapport au boîtier de la montre elle-même.The figure 2 shows a second embodiment of the invention, in which, the elements identical to the first embodiment have the same references, the main difference residing in the position of the ring 10 of the figure 1 . In this case indeed, the ring bears the reference 11 and is not between the tube 2 and the middle part 3 (see figure 1 ) but between the ring 1 itself and the tube 2. In fact, the tube 2 is driven conventionally in the middle part of the watch (not shown), and it is the ring 11 itself that supports the tapping 12 of the ring 1 which is intended to be screwed on the thread of the tube 2. As in the first embodiment of the figure 1 by acting on the deformation of the ring 11, in particular by decreasing its diameter, it is possible to create a temporary clearance between the ring 1 and the tube 2, which makes it possible to adjust the screwed position of the ring on the tube 2 angularly Since it is fixed relative to the middle part, the angular position of the ring 1 is consequently adjusted with respect to the case of the watch itself.

Bien entendu, l'utilisation de bague en alliage à mémoire de forme est un exemple non-limitatif. D'autres alliages sont possibles. De même, d'autres systèmes équivalents permettant en particulier de créer temporairement un jeu entre la couronne et la carrure de la montre sont possibles, l'idée étant de permettre un tel jeu que dans des conditions particulières et de l'empêcher dans des conditions d'utilisation normales.Of course, the use of shape memory alloy ring is a non-limiting example. Other alloys are possible. Similarly, other equivalent systems allowing in particular to temporarily create a game between the crown and the middle part of the watch are possible, the idea being to allow such a game that in particular conditions and to prevent it under conditions normal use.

Claims (5)

  1. A device for adjusting the orientation of a threaded watch crown (1) relatively to the watch, wherein said crown is capable to be in an unscrewed position and in a screwed position, relatively to the watch case (3), on a tube (2) fastened to the watch case (3), said device comprising adjusting means, characterized in that said adjusting means comprises a ring (10, 11) arranged either between the crown (1) and the tube (2) or between the tube {2) and the watch case (3), the structure of said ring (10, 11) permitting, by shrinking or deforming said ring, to create temporarily a play between the crown (1) and the watch case (3), permitting to orientate angularly the crown (1) screwed relatively to the watch case (3) so that the screwed crown has a determined orientation relatively to the watch case, and to inhibit said play under normal use conditions of the watch.
  2. A device according to claim 1, characterized in that said ring (10, 11) is made of a shape memory alloy.
  3. A watch comprising a device according to claim 2, characterized in that said ring (10) is placed between the watch case (3) and the tube (2) supporting the crown (1).
  4. A watch comprising a device according to claim 2, characterized in that said ring (11) is placed between the crown (1) and the tube (2) supporting the crown (1).
  5. A watch characterized in that it comprises a device according to anyone of the preceding claims.
EP20010810100 2000-02-08 2001-02-01 Device for orientating a threaded watch crown Expired - Lifetime EP1124167B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00247/00A CH705649B1 (en) 2000-02-08 2000-02-08 Device for adjusting the orientation of a crown screw of a clock with respect to the middle of the watch.
CH2472000 2000-02-08

Publications (2)

Publication Number Publication Date
EP1124167A1 EP1124167A1 (en) 2001-08-16
EP1124167B1 true EP1124167B1 (en) 2010-04-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010810100 Expired - Lifetime EP1124167B1 (en) 2000-02-08 2001-02-01 Device for orientating a threaded watch crown

Country Status (3)

Country Link
EP (1) EP1124167B1 (en)
CH (1) CH705649B1 (en)
DE (1) DE60141726D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3974915A4 (en) * 2019-05-20 2023-02-22 Citizen Watch Co., Ltd. Timepiece
JP7476185B2 (en) 2019-05-20 2024-04-30 シチズン時計株式会社 clock

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411401A1 (en) * 2002-10-17 2004-04-21 Ks 22 Sa Threaded crown for timepiece
JP4728000B2 (en) * 2005-01-17 2011-07-20 セイコーインスツル株式会社 Cell phone clock
EP1701225B1 (en) 2005-03-09 2012-02-22 Boninchi S.A. Screwed crown for a timepiece
DE602005006249D1 (en) * 2005-05-24 2008-06-05 Pibor Iso S A Screw-in crown and assembly process of this crown on a watch case
JP4652942B2 (en) * 2005-10-05 2011-03-16 セイコーインスツル株式会社 Cell phone clock
CH699877A1 (en) * 2008-10-31 2010-05-14 Pibor Iso S A Ring screw and method of guidance on crown as a watch box.
EP2385432A2 (en) * 2010-05-04 2011-11-09 Rolex Sa Watch-case
CH705090A2 (en) 2011-06-08 2012-12-14 Omega Sa Device for adjusting angular orientation of screw-down crown relative to middle of watch, has indexing unit arranged between cover and coupling member of crown, and magnetic return unit to rotatably connect cover and coupling member
EP2915012B1 (en) 2012-11-02 2021-03-31 Omega SA Vorrichtung zur ausrichtung eines geschraubten elements einer uhr
CH707293B1 (en) * 2012-12-18 2017-09-29 Meco Sa Removable crown.
EP2866100B1 (en) 2013-10-25 2017-05-24 Meco S.A. Seal for a clock piece
EP3279745B1 (en) 2016-08-02 2023-06-14 Meco S.A. Adjustable threaded crown
EP3432085B1 (en) 2017-07-20 2020-04-15 Meco S.A. Safety valve for a timepiece
EP3495896A1 (en) 2017-12-11 2019-06-12 Barigna SA Watch provided with a member for controlling the internal mechanism
EP3805873B1 (en) * 2019-10-09 2023-12-06 Meco S.A. Adjustable threaded crown
EP3805872A1 (en) * 2019-10-09 2021-04-14 Meco S.A. Adjustable threaded crown
EP4006647B1 (en) * 2020-11-25 2023-05-10 Meco S.A. Push-crown for a timepiece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH242198A (en) * 1944-06-28 1946-04-30 Rolex Montres Waterproof winder.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3974915A4 (en) * 2019-05-20 2023-02-22 Citizen Watch Co., Ltd. Timepiece
US11921464B2 (en) 2019-05-20 2024-03-05 Citizen Watch Co., Ltd. Timepiece
JP7476185B2 (en) 2019-05-20 2024-04-30 シチズン時計株式会社 clock

Also Published As

Publication number Publication date
CH705649B1 (en) 2013-04-30
EP1124167A1 (en) 2001-08-16
DE60141726D1 (en) 2010-05-20

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