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EP3805871B1 - Adjustable threaded crown - Google Patents

Adjustable threaded crown Download PDF

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Publication number
EP3805871B1
EP3805871B1 EP19202194.7A EP19202194A EP3805871B1 EP 3805871 B1 EP3805871 B1 EP 3805871B1 EP 19202194 A EP19202194 A EP 19202194A EP 3805871 B1 EP3805871 B1 EP 3805871B1
Authority
EP
European Patent Office
Prior art keywords
crown
frontal
adjustable screw
crown body
cannon
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
EP19202194.7A
Other languages
German (de)
French (fr)
Other versions
EP3805871A1 (en
Inventor
Rémy THIRY
Ricardo MARCOS
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.)
Meco SA
Original Assignee
Meco 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 Meco SA filed Critical Meco SA
Priority to EP19202194.7A priority Critical patent/EP3805871B1/en
Priority to CN202011070884.XA priority patent/CN112631103B/en
Publication of EP3805871A1 publication Critical patent/EP3805871A1/en
Application granted granted Critical
Publication of EP3805871B1 publication Critical patent/EP3805871B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B3/00Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04Rigidly-mounted keys, knobs or crowns
    • G04B3/041Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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
    • G04B3/00Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04Rigidly-mounted keys, knobs or crowns
    • G04B3/043Locking of the operating element, also by mounting in a concealed place
    • 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
    • G04B37/081Complete encasings for wrist or pocket watches also comprising means for hermetic sealing of the winding stem and crown
    • 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 invention relates to an orientable screw-down crown for a watch case comprising a middle part with at least one through housing for receiving said orientable screw-down crown, which orientable screw-down crown is arranged to cooperate with said housing and seal it in a watertight manner, said orientable screwed crown comprising a pattern on one end face or in its vicinity, said orientable screwed crown comprising, movable axially in an axial direction relative to each other, on the one hand a sub-assembly comprising a crown body manipulatable by a user and comprising said pattern, and on the other hand a tube arranged to be screwed or driven into said housing in said axial direction.
  • the invention also relates to a watch case, comprising a middle part with at least one through housing for receiving such an orientable screw-down crown.
  • the invention also relates to a timepiece, in particular a watch, comprising such a box.
  • the invention also relates to a method of assembling such an orientable screwed crown.
  • the invention also relates to a method of mounting such an orientable screw-down crown on a watch case.
  • Screw-down crowns are commonly used to equip watches with the aim of improving their watertightness at the level of the passage of a control member, such as a winding or control stem.
  • This type of crown has the particularity of being able to take an unscrewed position in which the watch can be wound, set the time, adjusted, or other, and a screwed position in which the crown is screwed and locked on a driven or screwed tube in the middle of the watch case in order to compress a seal, thus improving the watertightness of the watch.
  • the screwed position is therefore the one which corresponds to the normal position when the watch is worn and which is always approximately the same, except for wear of the seal.
  • the invention aims in particular to overcome the various disadvantages of these known techniques.
  • an objective of the invention is to provide an orientable screw-down crown adaptable to any watch case comprising a crown housing, for the orientation of this screw-down crown, produced according to a simple and economical construction.
  • the invention also aims to provide an orientable screwed crown that is more reliable than existing ones.
  • the invention relates to an orientable screwed crown according to claim 1.
  • the invention also relates to a watch case, comprising a middle part with at least one through housing for receiving such an orientable screw-down crown.
  • the invention also relates to a timepiece, in particular a watch, comprising such a box.
  • the invention also relates to a method of assembling such an orientable screwed crown.
  • the invention also relates to a method of mounting such an orientable screw-down crown on a watch case.
  • the invention relates to an orientable screwed crown 10 for a watch case 100.
  • This box 100 conventionally has a middle part 9, with at least one through housing 90 for receiving the adjustable screw-down crown 200.
  • This adjustable screwed crown 10 is arranged to cooperate with the housing 90 and close it in a watertight manner.
  • the adjustable screwed crown 10 has a pattern 19 on an end face 18 or in its vicinity.
  • This orientable screwed crown 10 comprises, movable axially in an axial direction D relative to each other, on the one hand a sub-assembly 20 comprising a crown body 1 which can be manipulated by a user and comprising the pattern 19, and on the other hand a tube 9.
  • This tube 9 is arranged to be screwed or driven into the housing 90 in the axial direction D.
  • the subassembly 20 comprises, integral with the crown body 1, a frontal indexing relief 15.
  • This frontal indexing relief 15 extends substantially radially with respect to the axial direction D, and is arranged to, in an engaged position, cooperate frontally in a complementary manner, in the axial direction D, with a complementary frontal indexing relief 35 which a fixed barrel 3 comprises, which the sub-assembly 20 comprises.
  • This complementary frontal indexing relief 35 extends substantially radially with respect to the axial direction D, and the fixed barrel 3 tends to be returned towards the crown body 1 and pushed back in a direction opposite to the middle part 110 by at least one crown spring 4, which is interposed and mounted prisoner between the crown body 1 and the fixed barrel 3 which it tends to bring closer to each other.
  • the frontal indexing relief 15 remains at a distance from the complementary frontal indexing relief 35 and without cooperation with him.
  • the cooperation between the frontal indexing relief 15 and the complementary frontal indexing relief 35 defines a discrete number of relative indexing positions corresponding to as many relative orientations of the pattern 19 with respect to the box 100.
  • the subassembly 20 and the tube 9 are arranged to cooperate by screwing up to a stop position corresponding to a completely screwed position of the subassembly 20 in the tube 9,
  • the subassembly 20 also comprises a first axial stopping means 8, which is fixed to the crown body 1, to trap axially, in the axial direction D, the subassembly 20 with a corresponding axial stroke to the deformation range of the crown spring 4, to authorize disengagement, by traction of the crown body 1, between the frontal indexing relief 15 and the complementary frontal indexing relief 35.
  • a first axial stopping means 8 which is fixed to the crown body 1, to trap axially, in the axial direction D, the subassembly 20 with a corresponding axial stroke to the deformation range of the crown spring 4, to authorize disengagement, by traction of the crown body 1, between the frontal indexing relief 15 and the complementary frontal indexing relief 35.
  • the crown spring 4 is a helical spring. In the absence of manipulation by the user, that is to say in the engaged position, the crown spring 4 tends to bring the crown body 1 closer to the fixed barrel 5.
  • the subassembly 20 comprises a movable barrel 7, which comprises fixing means 71 arranged for fixing the orientable screwed crown 10 to a control member housed in a box 100.
  • This movable barrel 7 is movable axially according to the axial direction D against elastic return means 5 in a chamber 31, which is delimited on the one hand by the fixed barrel 3 and on the other hand by the crown body 1 or by a ring 2 secured to the body of crown 1, or by a pin 13 secured to the crown body 1, and in which chamber 31 the mobile barrel 7 is mounted prisoner.
  • the elastic return means 5 comprise at least one tube spring, in particular helical.
  • This pin 13, here shown in the figures in one piece with the crown body 1, can also be an attached element, permanently fixed to the crown body 1, for example by laser welding or the like.
  • the ring 2 can also be fixed to the crown body 1 by laser welding 21, or the like.
  • subassembly 20 cannot be dismantled.
  • the fixed barrel 3 comprises a thread 31, which is arranged to cooperate with a thread 91 which the tube 9 comprises.
  • frontal indexing relief 15 and the complementary frontal indexing relief 35 comprise complementary front teeth.
  • the first axial stopping means 8 comprises an annular ring with a front stop support surface 81, which is substantially perpendicular to the axial direction D, and arranged to cooperate in stop support with the crown spring 4 , or with one of them if there are several.
  • the first axial stopping means 8 comprises at least one annular groove 82 for receiving a seal 6, which is arranged to cooperate with a seal bearing surface 92 which the tube 9 comprises and which is arranged to compress the seal 6 in the completely screwed position of the subassembly 20 in the tube 9.
  • this seal bearing surface 92 is oblique with respect to the axial direction D, in particular conical or similar.
  • the annular ring 8 can also be fixed to the crown body 1 by laser welding 83, or the like.
  • the figures illustrate a particular variant where the crown body 1 has a groove 180, intended to receive a glue joint or the like.
  • the frontal indexing relief 15 is carried by a ring 2 secured to the crown body 1, which makes it possible to lower the production cost.
  • the invention also relates to a watch case 100, comprising a middle part 110 with at least one through housing 90 for receiving such an orientable screw-down crown 10 which this case 100 comprises.
  • the invention also relates to a timepiece, in particular a watch 1000, comprising such a box 100.

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

Description

Domaine de l'inventionField of the invention

L'invention concerne une couronne vissée orientable pour une boîte de montre comportant une carrure avec au moins un logement traversant pour la réception de ladite couronne vissée orientable, laquelle couronne vissée orientable est agencée pour coopérer avec ledit logement et l'obturer de façon étanche, ladite couronne vissée orientable comportant un motif sur une face d'extrémité ou à son voisinage, ladite couronne vissée orientable comportant, mobiles axialement selon une direction axiale l'un par rapport à l'autre, d'une part un sous-ensemble comportant un corps de couronne manipulable par un utilisateur et comportant ledit motif, et d'autre part un tube agencé pour être vissé ou chassé dans ledit logement selon ladite direction axiale.The invention relates to an orientable screw-down crown for a watch case comprising a middle part with at least one through housing for receiving said orientable screw-down crown, which orientable screw-down crown is arranged to cooperate with said housing and seal it in a watertight manner, said orientable screwed crown comprising a pattern on one end face or in its vicinity, said orientable screwed crown comprising, movable axially in an axial direction relative to each other, on the one hand a sub-assembly comprising a crown body manipulatable by a user and comprising said pattern, and on the other hand a tube arranged to be screwed or driven into said housing in said axial direction.

L'invention concerne encore une boîte de montre, comportant une carrure avec au moins un logement traversant pour la réception d'une telle couronne vissée orientable.The invention also relates to a watch case, comprising a middle part with at least one through housing for receiving such an orientable screw-down crown.

L'invention concerne encore une pièce d'horlogerie, notamment une montre, comportant une telle boîte.The invention also relates to a timepiece, in particular a watch, comprising such a box.

L'invention concerne encore un procédé d'assemblage d'une telle couronne vissée orientable.The invention also relates to a method of assembling such an orientable screwed crown.

L'invention concerne encore un procédé de montage d'une telle couronne vissée orientable sur une boîte de montre.The invention also relates to a method of mounting such an orientable screw-down crown on a watch case.

Arrière-plan de l'inventionBackground of the invention

Les couronnes vissées sont couramment utilisées pour équiper des montres dans le but d'améliorer leur étanchéité au niveau du passage d'un organe de commande, tel qu'une tige de remontage ou de commande. Ce type de couronne a la particularité de pouvoir prendre une position dévissée dans laquelle la montre peut être remontée, mise à l'heure, réglée, ou autre, et une position vissée dans laquelle la couronne est vissée et bloquée sur un tube chassé ou vissé dans la carrure de la boîte de montre afin de comprimer un joint d'étanchéité, améliorant ainsi l'étanchéité de la montre. La position vissée est donc celle qui correspond à la position normale lorsque la montre est portée et qui est toujours à peu près la même, à l'usure du joint d'étanchéité près.Screw-down crowns are commonly used to equip watches with the aim of improving their watertightness at the level of the passage of a control member, such as a winding or control stem. This type of crown has the particularity of being able to take an unscrewed position in which the watch can be wound, set the time, adjusted, or other, and a screwed position in which the crown is screwed and locked on a driven or screwed tube in the middle of the watch case in order to compress a seal, thus improving the watertightness of the watch. The screwed position is therefore the one which corresponds to the normal position when the watch is worn and which is always approximately the same, except for wear of the seal.

La fabrication et le montage de ces couronnes vissées sur des boîtes de montre sont bien connus. Toutefois, les procédés de montage de ces couronnes sont mal adaptés aux couronnes vissées qui portent sur leur face d'extrémité une inscription ou un motif, par exemple un logo, une marque de fabrique ou un signe analogue, ou encore un relief, ou aux couronnes qui ne sont pas de révolution, alors qu'il est souhaitable que l'utilisateur, ou tout au moins un service d'après-vente, puisse procéder au réglage d'indexation angulaire d'une telle couronne, en position vissée, selon une orientation particulière désirée.The manufacture and assembly of these crowns screwed onto watch cases are well known. However, the assembly methods for these crowns are poorly suited to screw-down crowns which bear an inscription or pattern on their end face, for example a logo, a trademark or a similar sign, or even a relief, or to crowns which are not of revolution, while it is desirable that the user, or at least an after-sales service, can carry out the angular indexing adjustment of such a crown, in the screwed position, according to a particular desired orientation.

En effet, les procédés de montage connus ne permettent généralement pas d'amener la couronne dans une orientation déterminée par rapport à la boîte après son vissage, ce qui peut nuire à l'esthétique de la boîte. Cette situation est bien entendu inacceptable lorsque ces couronnes équipent des produits de luxe et de haute qualité.In fact, known assembly methods do not generally make it possible to bring the crown into a determined orientation relative to the case after it is screwed, which can harm the aesthetics of the case. This situation is of course unacceptable when these crowns are fitted to luxury and high quality products.

Le document WO2012/168243 ou EP2718770A1 au nom de OMEGA décrit une couronne selon les caractéristiques de la revendication 1 annexée, à l'exception du fait que le canon fixe portant un relief d'indexage n'est pas repoussé dans une direction opposée à la carrure par au moins un ressort de couronne.The document WO2012/168243 Or EP2718770A1 in the name of OMEGA describes a crown according to the characteristics of claim 1 appended, with the exception of the fact that the fixed barrel carrying an indexing relief is not pushed back in a direction opposite to the middle part by at least one spring. crown.

Résumé de l'inventionSummary of the invention

L'invention a notamment pour objectif de pallier les différents inconvénients de ces techniques connues.The invention aims in particular to overcome the various disadvantages of these known techniques.

Plus précisément, un objectif de l'invention est de fournir une couronne vissée orientable adaptable à toute boîte de montre comportant un logement de couronne, pour l'orientation de cette couronne vissée, réalisée selon une construction simple et économique.More precisely, an objective of the invention is to provide an orientable screw-down crown adaptable to any watch case comprising a crown housing, for the orientation of this screw-down crown, produced according to a simple and economical construction.

L'invention a également pour objectif de fournir une couronne vissée orientable plus fiable que celles existantes.The invention also aims to provide an orientable screwed crown that is more reliable than existing ones.

Ainsi, l'invention concerne une couronne vissée orientable selon la revendication 1.Thus, the invention relates to an orientable screwed crown according to claim 1.

L'invention concerne encore une boîte de montre, comportant une carrure avec au moins un logement traversant pour la réception d'une telle couronne vissée orientable.The invention also relates to a watch case, comprising a middle part with at least one through housing for receiving such an orientable screw-down crown.

L'invention concerne encore une pièce d'horlogerie, notamment une montre, comportant une telle boîte.The invention also relates to a timepiece, in particular a watch, comprising such a box.

L'invention concerne encore un procédé d'assemblage d'une telle couronne vissée orientable.The invention also relates to a method of assembling such an orientable screwed crown.

L'invention concerne encore un procédé de montage d'une telle couronne vissée orientable sur une boîte de montre.The invention also relates to a method of mounting such an orientable screw-down crown on a watch case.

Description sommaire des dessinsSummary description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation particulier de l'invention, donné à titre de simple exemple illustratif et non limitatif, et des figures annexées, parmi lesquelles :

  • la figure 1 est une vue en partie de côté, et en partie en coupe longitudinale, d'une couronne vissée orientable selon l'invention;
  • la figure 2 est une vue de dessus de la couronne de la figure 1, et montre un motif sur un corps de couronne manipulable par l'utilisateur ;
  • la figure 3 est une vue en coupe de la même couronne, qui comporte un tube vissé sur une carrure, dans une position vissée à fond préalable au débrayage ; un relief d'indexage frontal que porte un canon fixe, et un relief d'indexage frontal complémentaire ménagé sur un anneau solidaire du corps de couronne, et qui sont ici des denture frontales, sont en prise sous la poussée d'un ressort de couronne, qui est ici un ressort hélicoïdal ;
  • la figure 4 est une vue en coupe de la même couronne, dans une position étirée dans laquelle l'utilisateur fait traction sur le corps de couronne, pour effectuer le débrayage du relief frontal d'indexage et du relief frontal d'indexage complémentaire, qui sont ici dégagés l'un de l'autre et dont le dégrènement autorise la rotation relative entre le corps de couronne et le tube ;
  • la figure 5 est une perspective éclatée, quart enlevé, montrant uniquement le canon fixe avec son relief frontal d'indexage sous la forme de denture frontale, et le corps de couronne avec son relief frontal d'indexage complémentaire sous la forme d'une denture frontale complémentaire;
  • la figure 6 est une perspective montrant le tube de couronne vissé sur la carrure de la boîte de montre, et la présentation du corps de couronne comportant un sous-ensemble constituant le mécanisme d'embrayage/débrayage, comportant le canon fixe, dans lequel est monté prisonnier un canon mobile prévu pour coopérer avec le mécanisme interne de la montre destiné à être commandé et/ou réglé par la couronne ;
  • la figure 7 est une perspective similaire à la figure 6, où le corps de couronne est vissé à fond sur le tube comme sur la figure 3, et où l'utilisateur peut indexer le motif par rapport à la boîte de montre en exerçant une traction sur le corps de couronne pour débrayer le mécanisme, tourner le corps de couronne jusqu'à l'orientation angulaire souhaitée, puis en relâchant sa traction axiale sur le corps de couronne pour réembrayer le mécanisme dans sa nouvelle position indexée ;
  • la figure 8 représente, en coupe longitudinale, le montage de la couronne, dans une position où un ressort de tube, qui tend à éloigner le canon mobile du corps de couronne, est dans son élongation maximale (alors qu'il est en compression maximale dans les positions des figures 3 et 4) ;
  • la figure 9 est une vue dévissée de la couronne, le filetage du canon fixe étant présenté face au taraudage du tube de carrure, mais non encore vissé ;
  • la figure 10 est une vue dévissée et tirée de la couronne, avec la course maximale du canon fixe par rapport au tube de couronne ;
  • la figure 11 est un schéma-blocs représentant une montre comportant une boîte munie d'une couronne vissée orientable selon l'invention.
Other characteristics and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given by way of simple illustrative and non-limiting example, and the appended figures, among which :
  • there figure 1 is a partly side view, and partly in longitudinal section, of an orientable screwed crown according to the invention;
  • there figure 2 is a top view of the crown of the figure 1 , and shows a pattern on a crown body that can be manipulated by the user;
  • there Figure 3 is a sectional view of the same crown, which comprises a tube screwed onto a middle part, in a fully screwed position prior to disengagement; a frontal indexing relief carried by a fixed barrel, and a complementary frontal indexing relief provided on a ring secured to the crown body, and which are here front teeth, are engaged under the thrust of a crown spring , which here is a helical spring;
  • there Figure 4 is a sectional view of the same crown, in a stretched position in which the user pulls on the crown body, to disengage the frontal indexing relief and the complementary frontal indexing relief, which are here released one from the other and whose gradient allows the relative rotation between the crown body and the tube;
  • there Figure 5 is an exploded perspective, quarter removed, showing only the fixed barrel with its frontal indexing relief in the form of frontal teeth, and the crown body with its complementary frontal indexing relief in the form of complementary frontal teeth;
  • there Figure 6 is a perspective showing the crown tube screwed onto the middle of the watch case, and the presentation of the crown body comprising a sub-assembly constituting the clutch/disengagement mechanism, comprising the fixed barrel, in which is mounted prisoner a movable barrel designed to cooperate with the internal mechanism of the watch intended to be controlled and/or adjusted by the crown;
  • there Figure 7 is a similar perspective to Figure 6 , where the crown body is screwed fully onto the tube as on the Figure 3 , and where the user can index the pattern relative to the watch case by exerting traction on the crown body to disengage the mechanism, rotating the crown body to the desired angular orientation, then releasing its traction axial on the crown body to re-engage the mechanism in its new indexed position;
  • there figure 8 represents, in longitudinal section, the mounting of the crown, in a position where a tube spring, which tends to move the movable barrel away from the crown body, is in its maximum elongation (while it is in maximum compression in the positions of the figures 3 and 4 ) ;
  • there Figure 9 is an unscrewed view of the crown, the thread of the fixed barrel being presented opposite the tapping of the middle tube, but not yet screwed;
  • there Figure 10 is an unscrewed and pulled view of the crown, with the maximum travel of the barrel fixed relative to the crown tube;
  • there Figure 11 is a block diagram representing a watch comprising a case fitted with an adjustable screw-down crown according to the invention.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

L'invention concerne une couronne vissée orientable 10 pour une boîte 100 de montre. Cette boîte 100 comporte classiquement une carrure 9, avec au moins un logement 90 traversant pour la réception de la couronne vissée orientable 200.The invention relates to an orientable screwed crown 10 for a watch case 100. This box 100 conventionally has a middle part 9, with at least one through housing 90 for receiving the adjustable screw-down crown 200.

Cette couronne vissée orientable 10 est agencée pour coopérer avec le logement 90 et l'obturer de façon étanche. La couronne vissée orientable 10 comporte un motif 19 sur une face d'extrémité 18 ou à son voisinage.This adjustable screwed crown 10 is arranged to cooperate with the housing 90 and close it in a watertight manner. The adjustable screwed crown 10 has a pattern 19 on an end face 18 or in its vicinity.

Cette couronne vissée orientable 10 comporte, mobiles axialement selon une direction axiale D l'un par rapport à l'autre, d'une part un sous-ensemble 20 comportant un corps de couronne 1 manipulable par un utilisateur et comportant le motif 19, et d'autre part un tube 9. Ce tube 9 est agencé pour être vissé ou chassé dans le logement 90 selon la direction axiale D.This orientable screwed crown 10 comprises, movable axially in an axial direction D relative to each other, on the one hand a sub-assembly 20 comprising a crown body 1 which can be manipulated by a user and comprising the pattern 19, and on the other hand a tube 9. This tube 9 is arranged to be screwed or driven into the housing 90 in the axial direction D.

Selon l'invention, le sous-ensemble 20 comporte, solidaire du corps de couronne 1, un relief frontal d'indexage 15. Ce relief frontal d'indexage 15 s'étend sensiblement radialement par rapport à la direction axiale D, et est agencé pour, dans une position embrayée, coopérer frontalement de façon complémentaire, selon la direction axiale D, avec un relief frontal d'indexage complémentaire 35 que comporte un canon fixe 3, que comporte le sous-ensemble 20.According to the invention, the subassembly 20 comprises, integral with the crown body 1, a frontal indexing relief 15. This frontal indexing relief 15 extends substantially radially with respect to the axial direction D, and is arranged to, in an engaged position, cooperate frontally in a complementary manner, in the axial direction D, with a complementary frontal indexing relief 35 which a fixed barrel 3 comprises, which the sub-assembly 20 comprises.

Ce relief frontal d'indexage complémentaire 35 s'étend sensiblement radialement par rapport à la direction axiale D, et le canon fixe 3 tend à être rappelé vers le corps de couronne 1 et repoussé dans une direction opposée à la carrure 110 par au moins un ressort de couronne 4, qui est intercalé et monté prisonnier entre le corps de couronne 1 et le canon fixe 3 qu'il tend à rapprocher l'un de l'autre.This complementary frontal indexing relief 35 extends substantially radially with respect to the axial direction D, and the fixed barrel 3 tends to be returned towards the crown body 1 and pushed back in a direction opposite to the middle part 110 by at least one crown spring 4, which is interposed and mounted prisoner between the crown body 1 and the fixed barrel 3 which it tends to bring closer to each other.

Dans une position débrayée sous l'effet d'une traction du corps de couronne 1 par l'utilisateur, entraînant une compression du ressort de couronne 4, le relief frontal d'indexage 15 reste à distance du relief frontal d'indexage complémentaire 35 et sans coopération avec lui.In a disengaged position under the effect of traction of the crown body 1 by the user, resulting in compression of the crown spring 4, the frontal indexing relief 15 remains at a distance from the complementary frontal indexing relief 35 and without cooperation with him.

La coopération entre le relief frontal d'indexage 15 et le relief frontal d'indexage complémentaire 35 définit un nombre discret de positions relatives d'indexage correspondant à autant d'orientations relatives du motif 19 par rapport à la boîte 100.The cooperation between the frontal indexing relief 15 and the complementary frontal indexing relief 35 defines a discrete number of relative indexing positions corresponding to as many relative orientations of the pattern 19 with respect to the box 100.

Le sous-ensemble 20 et le tube 9 sont agencés pour coopérer par vissage jusqu'à une position de butée correspondant à une position complètement vissée du sous-ensemble 20 dans le tube 9,The subassembly 20 and the tube 9 are arranged to cooperate by screwing up to a stop position corresponding to a completely screwed position of the subassembly 20 in the tube 9,

Selon l'invention, le sous-ensemble 20 comporte encore un premier moyen d'arrêt axial 8, qui est fixé au corps de couronne 1, pour emprisonner axialement, selon la direction axiale D, le sous-ensemble 20 avec une course axiale correspondant à la plage de déformation du ressort de couronne 4, pour autoriser le débrayage, par une traction du corps de couronne 1, entre le relief frontal d'indexage 15 et le relief frontal d'indexage complémentaire 35.According to the invention, the subassembly 20 also comprises a first axial stopping means 8, which is fixed to the crown body 1, to trap axially, in the axial direction D, the subassembly 20 with a corresponding axial stroke to the deformation range of the crown spring 4, to authorize disengagement, by traction of the crown body 1, between the frontal indexing relief 15 and the complementary frontal indexing relief 35.

Dans la variante non limitative illustrée par les figures, le ressort de couronne 4 est un ressort hélicoïdal. En l'absence de manipulation par l'utilisateur, c'est-à-dire en position embrayée, le ressort de couronne 4 tend à rapprocher le corps de couronne 1 du canon fixe 5.In the non-limiting variant illustrated in the figures, the crown spring 4 is a helical spring. In the absence of manipulation by the user, that is to say in the engaged position, the crown spring 4 tends to bring the crown body 1 closer to the fixed barrel 5.

Plus particulièrement, le sous-ensemble 20 comporte un canon mobile 7, lequel comporte des moyens de fixation 71 agencés pour la fixation de la couronne vissée orientable 10 à un organe de commande logé dans une boîte 100. Ce canon mobile 7 est mobile axialement selon la direction axiale D à l'encontre de moyens de rappel élastique 5 dans une chambre 31, qui est délimitée d'une part par le canon fixe 3 et d'autre part par le corps de couronne 1 ou par un anneau 2 solidaire du corps de couronne 1, ou par un tourillon 13 solidaire du corps de couronne 1, et dans laquelle chambre 31 le canon mobile 7 est monté prisonnier. En particulier les moyens de rappel élastique 5 comportent au moins un ressort de tube, notamment hélicoïdal. Ce tourillon 13, ici représenté sur les figures monobloc avec le corps de couronne 1, peut aussi être un élément rapporté, fixé à demeure au corps de couronne 1, par exemple par soudure laser ou similaire. L'anneau 2 peut également être fixé au corps de couronne 1 par une soudure laser 21, ou similaire.More particularly, the subassembly 20 comprises a movable barrel 7, which comprises fixing means 71 arranged for fixing the orientable screwed crown 10 to a control member housed in a box 100. This movable barrel 7 is movable axially according to the axial direction D against elastic return means 5 in a chamber 31, which is delimited on the one hand by the fixed barrel 3 and on the other hand by the crown body 1 or by a ring 2 secured to the body of crown 1, or by a pin 13 secured to the crown body 1, and in which chamber 31 the mobile barrel 7 is mounted prisoner. In particular the elastic return means 5 comprise at least one tube spring, in particular helical. This pin 13, here shown in the figures in one piece with the crown body 1, can also be an attached element, permanently fixed to the crown body 1, for example by laser welding or the like. The ring 2 can also be fixed to the crown body 1 by laser welding 21, or the like.

Plus particulièrement, le sous-ensemble 20 est indémontable.More particularly, subassembly 20 cannot be dismantled.

Plus particulièrement, le canon fixe 3 comporte un filetage 31, qui est agencé pour coopérer avec un taraudage 91 que comporte le tube 9.More particularly, the fixed barrel 3 comprises a thread 31, which is arranged to cooperate with a thread 91 which the tube 9 comprises.

Plus particulièrement, le relief frontal d'indexage 15 et le relief frontal d'indexage complémentaire 35 comportent des dentures frontales complémentaires.More particularly, the frontal indexing relief 15 and the complementary frontal indexing relief 35 comprise complementary front teeth.

Plus particulièrement, le premier moyen d'arrêt axial 8 comporte une bague annulaire avec une surface frontale d'appui de butée 81, qui est sensiblement perpendiculaire à la direction axiale D, et agencée pour coopérer en appui de butée avec le ressort de couronne 4, ou avec l'un d'eux s'il ay en a plusieurs.More particularly, the first axial stopping means 8 comprises an annular ring with a front stop support surface 81, which is substantially perpendicular to the axial direction D, and arranged to cooperate in stop support with the crown spring 4 , or with one of them if there are several.

Plus particulièrement, le premier moyen d'arrêt axial 8 comporte au moins une gorge annulaire 82 de réception d'un joint d'étanchéité 6, lequel est agencé pour coopérer avec une surface d'appui de joint 92 que comporte le tube 9 et qui est agencée pour comprimer le joint d'étanchéité 6 dans la position complètement vissée du sous-ensemble 20 dans le tube 9. De préférence cette surface d'appui de joint 92 est oblique par rapport à la direction axiale D, notamment conique ou similaire.More particularly, the first axial stopping means 8 comprises at least one annular groove 82 for receiving a seal 6, which is arranged to cooperate with a seal bearing surface 92 which the tube 9 comprises and which is arranged to compress the seal 6 in the completely screwed position of the subassembly 20 in the tube 9. Preferably this seal bearing surface 92 is oblique with respect to the axial direction D, in particular conical or similar.

La bague annulaire 8 peut également être fixée au corps de couronne 1 par une soudure laser 83, ou similaire. Les figures illustrent une variante particulière où le corps de couronne 1 comporte une gorge 180, destinée à recevoir un joint de colle ou similaire.The annular ring 8 can also be fixed to the crown body 1 by laser welding 83, or the like. The figures illustrate a particular variant where the crown body 1 has a groove 180, intended to receive a glue joint or the like.

Plus particulièrement, le relief frontal d'indexage 15 est porté par un anneau 2 solidaire du corps de couronne 1, ce qui permet d'abaisser le coût de production.More particularly, the frontal indexing relief 15 is carried by a ring 2 secured to the crown body 1, which makes it possible to lower the production cost.

L'invention concerne encore une boîte 100 de montre, comportant une carrure 110 avec au moins un logement 90 traversant pour la réception d'une telle couronne vissée orientable 10 que comporte cette boîte 100..The invention also relates to a watch case 100, comprising a middle part 110 with at least one through housing 90 for receiving such an orientable screw-down crown 10 which this case 100 comprises.

L'invention concerne encore une pièce d'horlogerie, notamment une montre 1000, comportant une telle boîte 100.The invention also relates to a timepiece, in particular a watch 1000, comprising such a box 100.

L'invention concerne encore un procédé d'assemblage d'une telle couronne vissée orientable 10, comprenant les étapes suivantes :

  • préparer le sous-ensemble 20 en insérant le relief frontal d'indexage 15 dans le relief frontal d'indexage complémentaire 35, en insérant le ressort de couronne 4 en appui sur le canon fixe 3 lui-même en appui sur le corps de couronne 1 ou un anneau 2 solidaire du corps de couronne 1, en équipant intérieurement le corps de couronne 1 ou le premier moyen d'arrêt axial 8 d'au moins un joint d'étanchéité 8, en fixant le premier moyen d'arrêt axial 8 de façon irréversible sur le corps de couronne 1 ;
  • préparer le tube 9 et le visser sur le sous-ensemble 20.
The invention also relates to a method of assembling such an orientable screwed crown 10, comprising the following steps:
  • prepare the subassembly 20 by inserting the frontal indexing relief 15 into the complementary frontal indexing relief 35, by inserting the crown spring 4 resting on the fixed barrel 3 itself resting on the crown body 1 or a ring 2 secured to the crown body 1, by internally equipping the crown body 1 or the first axial stopping means 8 with at least one seal 8, by fixing the first axial stopping means 8 with irreversibly on the crown body 1;
  • prepare tube 9 and screw it onto subassembly 20.

L'invention concerne encore un procédé de montage d'une telle couronne vissée orientable 10 sur une telle boîte 100, comprenant les étapes suivantes :

  • assembler la couronne vissée orientable 10 selon le procédé de la revendication 10 ;
  • insérer le tube 9 axialement selon la direction axiale D dans le logement 90 de la carrure 8, dans la carrure 100, et le fixer à la carrure 110 par vissage ou chassage jusqu'à une position de butée de vissage ou respectivement de chassage ;
  • mesurer l'écart d'orientation angulaire du motif 19 par rapport à la position désirée, et déterminer le nombre de pas de correction d'indexation ;
  • tirer axialement le corps de couronne 1 en l'éloignant de la carrure 110 puis faire tourner le corps de couronne 1 jusqu'à obtention de l'orientation angulaire désirée ;
  • relâcher le corps de couronne 1.
The invention also relates to a method of mounting such an orientable screwed crown 10 on such a box 100, comprising the following steps:
  • assemble the adjustable screwed crown 10 according to the method of claim 10;
  • insert the tube 9 axially in the axial direction D in the housing 90 of the middle part 8, in the middle part 100, and fix it to the middle part 110 by screwing or driving in up to a screwing stop position or respectively driving in;
  • measure the angular orientation deviation of the pattern 19 relative to the desired position, and determine the number of indexing correction steps;
  • pull the crown body 1 axially away from the middle part 110 then rotate the crown body 1 until the desired angular orientation is obtained;
  • release the crown body 1.

Plus particulièrement, lors de la préparation du sous-ensemble 20 :

  • on enferme dans une chambre 31 constituée par la juxtaposition, d'une part du corps de couronne 1 ou respectivement de l'anneau 2 et d'autre part du canon fixe 3, des moyens de rappel élastique 5 tendant à repousser un canon mobile 7 comportant des moyens de fixation 101 agencés pour la fixation de la couronne vissée orientable 10 à un organe de commande logé dans la boîte 100, le canon mobile 7 étant aussi maintenu prisonnier dans la chambre 31 par le canon fixe 3 ;
  • on insère le relief frontal d'indexage 15, porté par le corps de couronne 1 ou respectivement l'anneau 2, dans le relief frontal d'indexage complémentaire 35 porté par le canon fixe 3 ;
  • on dispose chaque ressort de couronne 4 entre le canon fixe 3 et le premier moyen d'arrêt axial 8 ;
  • on limite axialement la course du canon fixe 3 par rapport au corps de couronne 1 par fixation du premier moyen d'arrêt axial 8 au corps de couronne 1 de façon à ce que chaque ressort de couronne 4 soit maintenu sans jeu dans l'espace axial délimité d'une part par le corps de couronne 1 ou respectivement l'anneau 2, et d'autre part par le canon fixe 3 ;
  • puis on fixe de façon irréversible le premier moyen d'arrêt axial 8 au corps de couronne 1, pour constituer un sous-ensemble indémontable.
More particularly, during the preparation of subset 20:
  • we enclose in a chamber 31 constituted by the juxtaposition, on the one hand of the crown body 1 or respectively of the ring 2 and on the other hand of the fixed barrel 3, elastic return means 5 tending to push back a mobile barrel 7 comprising fixing means 101 arranged for fixing the crown orientable screwed 10 to a control member housed in the box 100, the mobile barrel 7 also being held prisoner in the chamber 31 by the fixed barrel 3;
  • the frontal indexing relief 15, carried by the crown body 1 or respectively the ring 2, is inserted into the complementary frontal indexing relief 35 carried by the fixed barrel 3;
  • each crown spring 4 is placed between the fixed barrel 3 and the first axial stopping means 8;
  • the stroke of the fixed barrel 3 is axially limited relative to the crown body 1 by fixing the first axial stop means 8 to the crown body 1 so that each crown spring 4 is maintained without play in the axial space delimited on the one hand by the crown body 1 or respectively the ring 2, and on the other hand by the fixed barrel 3;
  • then we irreversibly fix the first axial stopping means 8 to the crown body 1, to constitute an unremovable sub-assembly.

Claims (12)

  1. Adjustable screw-down crown (10) for a watch case (100) including a middle (110) with at least one housing (90) passing all the way through for the reception of said adjustable screw-down crown (10), which adjustable screw-down crown (10) is arranged to cooperate with said housing (90) and plug it in a sealed manner, said adjustable screw-down crown (10) including a pattern (19) on an end face (18) or near it, said adjustable screw-down crown (10) including, mobile axially in an axial direction (D) with respect to one another, on the one hand a subassembly (20) including a crown body (1) that can be manipulated by a user and including said pattern (19), and on the other hand a tube (9) arranged to be screwed or driven into said housing (90) in said axial direction (D), said subassembly (20) including, rigidly connected to said crown body (1), a frontal indexing relief (15) extending substantially radially with respect to said axial direction (D) and arranged to, in a connected position, frontally cooperate in a complementary manner, in said axial direction (D), with a complementary frontal indexing relief (35) included by a fixed cannon (3) that said subassembly (20) includes and that extends substantially radially with respect to said axial direction (D) and tends to be returned towards said crown body (1) and pushed back in a direction opposite to said middle (110) by at least one crown spring (4) interposed and set captive between said crown body (1) and said fixed cannon (3) that it tends to move closer to one another, and to, in a disconnected position by compression of said crown spring (4), remain at a distance from said complementary frontal indexing relief (35) and without cooperation with it, the cooperation between said frontal indexing relief (15) and said complementary frontal indexing relief (35) defining a discrete number of relative indexing positions corresponding to as many relative orientations of said pattern (19) with respect to said case (100), said subassembly (20) and said tube (9) being arranged to cooperate by screwing until a stop position corresponding to a completely screwed-down position of said subassembly (20) in said tube (9), said subassembly (20) including a first axial stop means (8) fastened to said crown body (1) to axially trap, in said axial direction (D), said fixed cannon (3) with an axial travel corresponding to the range of deformation of said crown spring (4) to allow the disconnection by a traction of said crown body (1) between said frontal indexing relief (15) and said complementary frontal indexing relief (35).
  2. Adjustable screw-down crown (10) according to claim 1, characterised in that said first axial stop means (8) includes an annular ring with a frontal stop-bearing surface (81) substantially perpendicular to said axial direction (D), arranged to cooperate via stop bearing with one said crown spring (4).
  3. Adjustable screw-down crown (10) according to claim 2, characterised in that said first axial stop means (8) includes at least one annular groove (82) for receiving a sealing joint (6) arranged to cooperate with a joint bearing surface (92) that said tube (9) includes and which is arranged to compress said sealing joint (6) in said completely screwed-down position of said subassembly (20) in said tube (9).
  4. Adjustable screw-down crown (10) according to one of claims 1 to 3, characterised in that said subassembly (20) cannot be disassembled, and includes a mobile cannon (7) including fastening means (71) arranged for the fastening of said adjustable screw-down crown (10) to a control member housed in one said case (100), which mobile cannon (7) is axially mobile in said axial direction (D) against elastic return means (5) in a chamber (31) defined on the one hand by said fixed cannon (3) and on the other hand by said crown body (1) or by a ring (2) rigidly connected to said crown body (1), and in which chamber (31) said mobile cannon (7) is set captive.
  5. Adjustable screw-down crown (10) according to one of claims 1 to 4, characterised in that said fixed cannon (3) includes a thread (31) arranged to cooperate with an inner thread (91) that said tube (9) includes.
  6. Adjustable screw-down crown (10) according to one of claims 1 to 5, characterised in that said frontal indexing relief (15) and said complementary frontal indexing relief (35) include complementary front toothing.
  7. Adjustable screw-down crown (10) according to one of claims 1 to 6, characterised in that said frontal indexing relief (15) is carried by a ring (2) rigidly connected to said crown body (1).
  8. Watch case (100), including a middle (110) with at least one housing (90) passing all the way through for the reception of an adjustable screw-down crown (10) according to one of claims 1 to 7 that said case (100) includes.
  9. Watch (1000) including a case (100) according to claim 8.
  10. Method for assembling an adjustable screw-down crown (10) according to one of claims 1 to 7, comprising the following steps:
    - preparing said subassembly (20) by inserting said frontal indexing relief (15) into said complementary frontal indexing relief (35), by inserting said crown spring (4) bearing on said fixed cannon (3) itself bearing on said crown body (1) or a ring (2) rigidly connected to said crown body (1), by equipping said crown body (1) or said first axial stop means (8) on the inside with at least one sealing joint (8), by fastening said first axial stop means (8) in an irreversible manner onto said crown body (1);
    - preparing said tube (9) and screwing it onto said subassembly (20).
  11. Method for mounting an adjustable screw-down crown (10) according to one of claims 1 to 7, onto a case (100) according to claim 8, comprising the following steps:
    - assembling said adjustable screw-down crown (10) according to the method of claim 10;
    - inserting said tube (9) axially in said axial direction (D) into said housing (90) of said middle (110), and fastening it to said middle (110) by screwing or driving until a screwing or driving stop position, respectively;
    - measuring the difference in angular orientation of said pattern (19) with respect to the desired position, and determining the number of steps for correcting indexation;
    - axially pulling said crown body (1) by moving it away from said middle (110) then turning said crown body (1) until the desired angular orientation is obtained;
    - releasing said crown body (1).
  12. Mounting method according to claim 11, characterised in that, during the preparation of said subassembly (20):
    - elastic return means (5) tending to push back a mobile cannon (7) including fastening means (101) arranged for the fastening of said adjustable screw-down crown (10) to a control member housed in said case (100) are enclosed in a chamber (31) formed by the juxtaposition on the one hand of said crown body (1) or respectively of said ring (2) and on the other hand of said fixed cannon (3), said mobile cannon (7) also being maintained set captive in said chamber (31) by said fixed cannon (3);
    - said frontal indexing relief (15), carried by said crown body (1) or respectively said ring (2), is inserted into said complementary frontal indexing relief (35) carried by said fixed cannon (3);
    - each said crown spring (4) is disposed between said fixed cannon (3) and said first axial stop means (8);
    - the travel of said fixed cannon (3) is limited axially with respect to said crown body (1) by fastening said first axial stop means (8) to said crown body (1) in such a way that each said crown spring (4) is maintained without play in the axial space defined on the one hand by said crown body (1) or respectively said ring (2) and on the other hand by said fixed cannon (3);
    - then said first axial stop means (8) is irreversibly fastened to said crown body (1), to form a subassembly that cannot be disassembled.
EP19202194.7A 2019-10-09 2019-10-09 Adjustable threaded crown Active EP3805871B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19202194.7A EP3805871B1 (en) 2019-10-09 2019-10-09 Adjustable threaded crown
CN202011070884.XA CN112631103B (en) 2019-10-09 2020-10-09 Adjustable tightening crown

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19202194.7A EP3805871B1 (en) 2019-10-09 2019-10-09 Adjustable threaded crown

Publications (2)

Publication Number Publication Date
EP3805871A1 EP3805871A1 (en) 2021-04-14
EP3805871B1 true EP3805871B1 (en) 2024-01-17

Family

ID=68242454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19202194.7A Active EP3805871B1 (en) 2019-10-09 2019-10-09 Adjustable threaded crown

Country Status (2)

Country Link
EP (1) EP3805871B1 (en)
CN (1) CN112631103B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH685901B5 (en) * 1993-11-25 1996-05-15 Smh Management Services Ag Crown-button timepiece.
EP1333342B1 (en) * 1997-06-11 2010-09-29 Meco S.A. Actuating device with a seal gasket for a watch
EP1411401A1 (en) * 2002-10-17 2004-04-21 Ks 22 Sa Threaded crown for timepiece
JP5285546B2 (en) * 2009-08-28 2013-09-11 セイコーインスツル株式会社 Hand-wound portable watch and operating method of crown provided in this watch
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
CH707158B1 (en) * 2012-11-02 2024-04-15 Omega Sa Adjustable screw-in element, for example crown for timepiece.
EP3451071B1 (en) * 2017-09-01 2020-07-22 Omega SA Device with push button for a timepiece
EP3483669B1 (en) * 2017-11-08 2020-12-30 Omega SA Safety valve for a watch

Also Published As

Publication number Publication date
CN112631103B (en) 2022-10-21
CN112631103A (en) 2021-04-09
EP3805871A1 (en) 2021-04-14

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