WO1993020485A1 - Watch crown - Google Patents

Watch crown Download PDF

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Publication number
WO1993020485A1
WO1993020485A1 PCT/FR1993/000299 FR9300299W WO9320485A1 WO 1993020485 A1 WO1993020485 A1 WO 1993020485A1 FR 9300299 W FR9300299 W FR 9300299W WO 9320485 A1 WO9320485 A1 WO 9320485A1
Authority
WO
WIPO (PCT)
Prior art keywords
crown
watch
stem
winding
rod
Prior art date
Application number
PCT/FR1993/000299
Other languages
French (fr)
Inventor
Hervé SCHICK
Original Assignee
E.U.R.L. Herve Schick
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 E.U.R.L. Herve Schick filed Critical E.U.R.L. Herve Schick
Priority to EP93906665A priority Critical patent/EP0646256B1/en
Publication of WO1993020485A1 publication Critical patent/WO1993020485A1/en

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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
    • G04B3/045—Storing the operating element, also bringing it out of storage

Definitions

  • the present invention relates to a watch crown, that is to say the button usually present in the middle of the right side of the watch case, this button making it possible to adjust the position of the hands, of the calendar and possibly to wind a movement. mechanical clock.
  • this crown In the majority of current watches, it is necessary to pull on this crown to move the longitudinal winding stem integral with this crown in order to achieve the desired function.
  • the timepiece mechanism When this crown is pulled out of its initial position against the case, the timepiece mechanism is normally stopped to facilitate the adjustment operation.
  • this crown can also be pulled accidentally out of this initial position, in particular by rubbing against the wearer's wrist. This phenomenon appears more frequently when the crown is installed in the lower part of the case or when the thickness of this case is particularly reduced, the diameter of the crown being unable for practical reasons to decrease below a certain value. .
  • This untimely exit from the crown is all the more regrettable as the watch movement stops, leaving the wearer perplexed and the winding stem can be weakened or even twisted by subsequent movements of the wrist.
  • the invention solves this difficulty by proposing a watch crown located at the end of the winding stem capable of being moved in translation. longitudinal to access the different adjustment or winding functions of the watch movement because this winding stem is movable in the middle of the crown locked in translation by a cage of the watch case, the stem being engaged in rotation with the crown by a bearing whose cylindrical periphery of non-circular section corresponds to the periphery of the central bore of the crown, this rod being provided at its end with a gripping head.
  • the bearing surface of the rod and the central bore of the crown have a cylindrical shape of substantially circular cross section except for two opposite dishes. This shape lends itself to a particularly easy industrial embodiment while ensuring excellent transmission of the torque between the crown and the rod.
  • the apprehension head has a surface of revolution around the central axis, this surface being completed by a transverse groove. Then, the wearer can thus very easily act on this winding stem by pinching this apprehension head with his nails at the level of the groove. This characteristic allows the wearer to get rid of any external accessory.
  • the winding stem crosses the " watch case through a tube terminating in the case by an annular housing for a seal against the stem. This tube itself being driven out tightly in the 'orifice of the case, thus preserving the general waterproofness of the watch against dust and humidity.
  • FIG. 1 is a schematic perspective view of the various elements of the crown during assembly
  • FIG. 2 is a schematic perspective view of the crown in the normal position
  • FIG. 3 is a schematic view of the crown on the occasion of an adjustment.
  • a cage 10 intended to be attached substantially in the middle of the right side of a watch case.
  • This cage essentially consists of several arms four in this case, holding an openwork disc in front e its center.
  • the shape and number of the arms can depend to a large extent on aesthetic considerations as long as the defined interior space is sufficient for receiving a crown 30, that a lower passage is provided for the insertion of this crown and that, if present, the front disc is located at a distance from the rear bottom substantially equivalent to the thickness of this crown.
  • This device is completed by a winding stem 20 having at its end a head 24 provided with a transverse groove 26 and, a little behind, a bearing 22 intended to cooperate with the internal bore 32 of the crown 30.
  • This winding stem 20 has at its inner end a threaded tubular part for screwing with the initial winding stem of the watch movement installed in the watch case.
  • the bearing surface 2 has an essentially cylindrical shape in order to be able to slide inside the bore 32 of the crown 30.
  • the periphery of this cylindrical volume has a shape, seen in cross section, initially circular in which one has fresh two opposite plates, around which we find identically in a dimension slightly higher in the bore 32.
  • other shapes could have been given to this cylindrical bearing, in particular square or oval. It is also possible to envisage a fairly thick longitudinal single tooth acting as a key or a plurality of longitudinal parallel teeth meshing with teeth cut in correspondence in the bore 32.
  • the head 24 is represented in FIG. 1 in a schematic manner by a cylinder, one can also envisage, according to aesthetic considerations, a plurality of other volumes, in particular volumes defined by a revolution of a curve around the 'central axis. In all cases, it is desirable to complete this shape given to the head 24 by a transverse groove 26 to facilitate its grasping by pinching with the fingers in particular between the thumbnail and the index finger or middle finger.
  • the mode of assembly of this crown is carried out by prior disassembly of the initial winding stem of the movement in order to screw the complementary winding stem 20 to it, then by the positioning (1) of the crown 30 to the inside the cage 10, then by inserting (2) the winding stem 20 successively through the front disc of the cage 10 and the bore 32 of the crown 30, and finally by fixing the end internal of the initial winding stem in the movement.
  • Figure 2 illustrates this fully assembled crown.
  • the sealing against dust and humidity is achieved from the rear by driving a tube 40 into the orifice of the case, which therefore passes over the winding stem 20.
  • This tube 40 has its rear part an annular housing 42 for a seal 44 acting against this winding stem 20.

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

Abstract

A watch crown (30) translationally locked by a watch housing frame (10). A winding stem (20), which is lengthwise translationally movable whereby various setting or movement-winding functions may be accessed, is movably mounted in the middle of said crown (30). Said stem is rotatably engaged with the crown by a bearing (22) having a cylindrical circumference with a non-circular cross-section which matches the circumference of a central bore (32) in the crown. The end of said stem is provided with a gripping head (24).

Description

COURONNE DE MONTRE WATCH CROWN
La présente invention est relative a une couronn de montre, c'est-à-dire au bouton usuellement présent a milieu du côté droit du boîtier de montre, ce bouto permettant de régler la position des aiguilles, du calendrie et éventuellement de remonter un mouvement horloge mécanique.The present invention relates to a watch crown, that is to say the button usually present in the middle of the right side of the watch case, this button making it possible to adjust the position of the hands, of the calendar and possibly to wind a movement. mechanical clock.
Dans la majorité des montres actuelles, il es nécessaire dé tirer sur cette couronne pour déplacer e translation longitudinale la tige de remontoir solidaire d cette couronne afin d'atteindre la fonction cherchée. Lorsqu cette couronne est tirée hors de sa position initiale contr le boîtier, le mécanisme horloger est normalement arrêté pou faciliter l'opération de réglage. Toutefois, cette couronn peut également être tirée accidentellement hors de cett position initiale, notamment par frottements contre l poignet du porteur. Ce phénomène apparaît plus fréquemmen lorsque la couronne est installée dans la partie inférieur du boîtier ou lorsque l'épaisseur de ce boîtier es particulièrement réduite, le diamètre de la couronne n pouvant pas, pour des considérations pratiques, diminuer e dessous d'une certaine valeur. Cette sortie intempestive d la couronne est d'autant plus regrettable que le mouvemen horloger s'arrête, laissant perplexe le porteur et que l tige de remontoir peut être fragilisée, voire tordue par de mouvements ultérieurs du poignet.In the majority of current watches, it is necessary to pull on this crown to move the longitudinal winding stem integral with this crown in order to achieve the desired function. When this crown is pulled out of its initial position against the case, the timepiece mechanism is normally stopped to facilitate the adjustment operation. However, this crown can also be pulled accidentally out of this initial position, in particular by rubbing against the wearer's wrist. This phenomenon appears more frequently when the crown is installed in the lower part of the case or when the thickness of this case is particularly reduced, the diameter of the crown being unable for practical reasons to decrease below a certain value. . This untimely exit from the crown is all the more regrettable as the watch movement stops, leaving the wearer perplexed and the winding stem can be weakened or even twisted by subsequent movements of the wrist.
Toutefois, une solution consistant à maintenir l couronne plaquée en permanence contre le boîtier s'avèr beaucoup plus ardue qu'a priori car il devient alor impossible d'atteindre les fonctions de réglage désirées.However, a solution consisting in keeping the crown permanently pressed against the case turns out to be much more difficult than a priori because it then becomes impossible to reach the desired adjustment functions.
L'invention résout cette difficulté en proposan une couronne de montre située à l'extrémité de la tige d remontoir susceptible d'être déplacée en translatio longitudinale pour accéder aux différentes fonctions de réglage ou de remontage du mouvement horloger du fait que cette tige de remontoir est mobile au milieu de la couronne bloquée en translation par une cage du boîtier de montre, la tige étant engagée en rotation avec la couronne par une portée dont le pourtour cylindrique de section non circulaire correspond au pourtour de l'alésage central de la couronne, cette tige étant munie en son extrémité d'une tête d'appréhension. Ainsi, seule la tige de remontoir est déplaçable en translation longitudinale à l'intérieur de la couronne toujours mobile en rotation. La tête d'appréhension de la tige est largement protégée contre tout frottement par la couronne et sa cage. Avantageusement, la portée de la tige et l'alésage central de la couronne ont une forme cylindrique de section transversale sensiblement circulaire hormis deux plats opposés. Cette forme se prête à un mode de réalisation industriel particulièrement aisé tout en assurant une excellente transmission du couple de force entre la couronne et la tige.The invention solves this difficulty by proposing a watch crown located at the end of the winding stem capable of being moved in translation. longitudinal to access the different adjustment or winding functions of the watch movement because this winding stem is movable in the middle of the crown locked in translation by a cage of the watch case, the stem being engaged in rotation with the crown by a bearing whose cylindrical periphery of non-circular section corresponds to the periphery of the central bore of the crown, this rod being provided at its end with a gripping head. Thus, only the winding stem can be moved in longitudinal translation inside the crown, which is always mobile in rotation. The stem gripping head is largely protected against friction by the crown and its cage. Advantageously, the bearing surface of the rod and the central bore of the crown have a cylindrical shape of substantially circular cross section except for two opposite dishes. This shape lends itself to a particularly easy industrial embodiment while ensuring excellent transmission of the torque between the crown and the rod.
Avantageusement encore, la tête d'appréhension présente une surface de révolution autour de l'axe central, cette surface étant complétée par une rainure transversale. Alors, le porteur peut ainsi très facilement agir sur cette tige de remontoir en pinçant cette tête d'appréhension avec ses ongles au niveau de la rainure. Cette caractéristique permet au porteur de s'affranchir de tout accessoire extérieur. Avantageusement encore, la tige de remontoir traverse le "boîtier de montre au travers d'un tube se terminant dans le boîtier par un logement annulaire pour un joint d'étanchéité contre la tige. Ce tube étant lui-même chassé de manière étanche dans l'orifice du boîtier, on préserve ainsi l'étanchéite générale de la montre contre la poussière et l'humidité. Un dispositif conforme à l'invention es représenté, à titre nullement limitatif, sur les dessin annexés dans lesquels :Advantageously also, the apprehension head has a surface of revolution around the central axis, this surface being completed by a transverse groove. Then, the wearer can thus very easily act on this winding stem by pinching this apprehension head with his nails at the level of the groove. This characteristic allows the wearer to get rid of any external accessory. Advantageously also, the winding stem crosses the " watch case through a tube terminating in the case by an annular housing for a seal against the stem. This tube itself being driven out tightly in the 'orifice of the case, thus preserving the general waterproofness of the watch against dust and humidity. A device in accordance with the invention is shown, without any limitation being implied, in the appended drawings in which:
- la figure 1 est une vue en perspectiv schématique des différents éléments de la couronne en cour d'assemblage,FIG. 1 is a schematic perspective view of the various elements of the crown during assembly,
- la figure 2 est une vue schématique e perspective de la couronne en position normale, etFIG. 2 is a schematic perspective view of the crown in the normal position, and
- la figure 3 est une vue schématique de l couronne à l'occasion d'un réglage.- Figure 3 is a schematic view of the crown on the occasion of an adjustment.
Dans la partie supérieure gauche de la figure est illustrée une cage 10 prévue d'être rapporté sensiblement au milieu du côté droit du boîtier d'une montre Cette cage se compose essentiellement de plusieurs bras quatre en l'occurrence, tenant en avant un disque ajouré e son centre. La forme et le nombre des bras peuvent dépendr dans une large mesure de considérations esthétiques pou autant que l'espace intérieur défini soit suffisant pou recevoir une couronne 30, qu'un passage inférieur soit ménag pour l'insertion de cette couronne et que, si présent, l disque frontal se situe à une distance du fond arrièr sensiblement équivalente à l'épaisseur de cette couronne.In the upper left part of the figure is illustrated a cage 10 intended to be attached substantially in the middle of the right side of a watch case. This cage essentially consists of several arms four in this case, holding an openwork disc in front e its center. The shape and number of the arms can depend to a large extent on aesthetic considerations as long as the defined interior space is sufficient for receiving a crown 30, that a lower passage is provided for the insertion of this crown and that, if present, the front disc is located at a distance from the rear bottom substantially equivalent to the thickness of this crown.
Ce dispositif est complété par une tige d remontoir 20 présentant en son extrémité une tête 24 garni d'une rainure transversale 26 et, peu en arrière, d'un portée 22 prévue pour coopérer avec l'alésage intérieur 32 d la couronne 30. Cette tige de remontoir 20 présente en so extrémité interne une partie tubulaire taraudée pour s visser avec la tige de remontoir initiale du mouvemen horloger installée dans le boîtier de montre.This device is completed by a winding stem 20 having at its end a head 24 provided with a transverse groove 26 and, a little behind, a bearing 22 intended to cooperate with the internal bore 32 of the crown 30. This winding stem 20 has at its inner end a threaded tubular part for screwing with the initial winding stem of the watch movement installed in the watch case.
Tel que représenté sur la figure 1, la portée 2 présente une forme essentiellement cylindrique afin d pouvoir coulisser à l'intérieur de l'alésage 32 de l couronne 30. Tel qu'illustré sur cette figure 1, le pourtou de ce volume cylindrique présente une forme, vu en coup transversale, initialement circulaire dans lequel on a frais deux plats opposés, pourtour qu'on retrouve à l'identique en une dimension très légèrement supérieure dans l'alésage 32. Toutefois, d'autres formes auraient pu être données à cette portée cylindrique, notamment carrée ou ovale. On peut également envisager une dent unique longitudinale assez épaisse faisant office de clavette ou une pluralité de dents parallèles longitudinales s'engrenant avec des dents taillées en correspondance dans l'alésage 32.As shown in FIG. 1, the bearing surface 2 has an essentially cylindrical shape in order to be able to slide inside the bore 32 of the crown 30. As illustrated in this FIG. 1, the periphery of this cylindrical volume has a shape, seen in cross section, initially circular in which one has fresh two opposite plates, around which we find identically in a dimension slightly higher in the bore 32. However, other shapes could have been given to this cylindrical bearing, in particular square or oval. It is also possible to envisage a fairly thick longitudinal single tooth acting as a key or a plurality of longitudinal parallel teeth meshing with teeth cut in correspondence in the bore 32.
Si la tête 24 est représentée sur la figure 1 d'une manière schématique par un cylindre, on peut également envisager, selon des considérations esthétiques, une pluralité d'autres volumes, notamment des volumes définis par une révolution d'une courbe autour de l'axe central. En tous les cas, il est souhaitable de compléter cette forme donnée à la tête 24 par une rainure transversale 26 pour faciliter son appréhension par pincement avec les doigts notamment entre l'ongle du pouce et l'ongle de l'index ou du majeur.If the head 24 is represented in FIG. 1 in a schematic manner by a cylinder, one can also envisage, according to aesthetic considerations, a plurality of other volumes, in particular volumes defined by a revolution of a curve around the 'central axis. In all cases, it is desirable to complete this shape given to the head 24 by a transverse groove 26 to facilitate its grasping by pinching with the fingers in particular between the thumbnail and the index finger or middle finger.
Le mode d'assemblage de cette couronne s'effectue par le démontage préalable de la tige de remontoir initiale du mouvement afin de lui visser la tige de remontoir complémentaire 20, puis par la mise en place (1) de la couronne 30 à l'intérieur de la cage 10, puis par l'insertion (2) de la tige de remontoir 20 successivement au travers du disque frontal de la cage 10 et de l'alésage 32 de la couronne 30, et enfin par la fixation de l'extrémité interne de la tige initiale de remontoir dans le mouvement.The mode of assembly of this crown is carried out by prior disassembly of the initial winding stem of the movement in order to screw the complementary winding stem 20 to it, then by the positioning (1) of the crown 30 to the inside the cage 10, then by inserting (2) the winding stem 20 successively through the front disc of the cage 10 and the bore 32 of the crown 30, and finally by fixing the end internal of the initial winding stem in the movement.
La figure 2 illustre cette couronne complètement assemblée. Dans ce dispositif, l'étanchéite à la poussière et à l'humidité est réalisée par l'arrière en chassant un tube 40 dans l'orifice du boîtier, qui passe donc par-dessus la tige de remontoir 20. Ce tube 40 présente en sa partie arrière un logement annulaire 42 pour un joint d'étanchéité 44 agissant contre cette tige de remontoir 20.Figure 2 illustrates this fully assembled crown. In this device, the sealing against dust and humidity is achieved from the rear by driving a tube 40 into the orifice of the case, which therefore passes over the winding stem 20. This tube 40 has its rear part an annular housing 42 for a seal 44 acting against this winding stem 20.
Une fois, la montre complètement assemblée, il suffit d'agripper la tête d'appréhension 24 avec des ongles pour la tirer d'un ou plusieurs crans jusqu'à mettre en correspondance la tige de remontoir 20 avec la fonctio désirée. Alors, toute rotation imprimée sur la couronne 30 s transmet sans autre à la tige 20 au travers de la portée 22.Once the watch is fully assembled, it is enough to grip the apprehension head 24 with nails to pull it out by one or more notches until matches the winding stem 20 with the desired function. Then, any rotation printed on the crown 30 is transmitted without further to the rod 20 through the bearing 22.
De nombreuses modifications tant esthétiques qu techniques peuvent être apportées à cette couronne de montr dans le cadre de cette invention. Many aesthetic as well as technical modifications can be made to this crown of watch in the context of this invention.

Claims

REVENDICATIONS
1. Couronne de montre située à l'extrémité de la tige de remontoir susceptible d'être déplacée en translation longitudinale pour accéder à différentes fonctions de réglage ou de remontage du mouvement horloger, caractérisée en ce que la tige de remontoir (20) est mobile au milieu de la couronne (30) bloquée en translation par une cage (10) du boîtier de montre, la tige étant engagée en rotation avec la couronne par une portée (22) dont le pourtour cylindrique de section non circulaire correspond au pourtour de l'alésage central (32) de la couronne, cette tige étant munie en son extrémité d'une tête d'appréhension (24).1. Watch crown located at the end of the winding stem capable of being moved in longitudinal translation to access different functions for adjusting or winding the watch movement, characterized in that the winding stem (20) is movable in the middle of the crown (30) blocked in translation by a cage (10) of the watch case, the rod being engaged in rotation with the crown by a bearing (22) whose cylindrical periphery of non-circular section corresponds to the periphery of the 'central bore (32) of the crown, this rod being provided at its end with a gripping head (24).
2. Couronne selon la revendication 1, caractérisée en ce que la portée (22) de la tige et l'alésage central (32) de la couronne ont une forme cylindrique de section transversale sensiblement circulaire hormis deux plats opposés.2. Crown according to claim 1, characterized in that the bearing surface (22) of the rod and the central bore (32) of the crown have a cylindrical shape of substantially circular cross section except for two opposite dishes.
3. Couronne selon la revendication 1, caractérisée en ce que la tête d'appréhension (24) présente une surface de révolution autour de l'axe central complétée par une rainure transversale (26).3. Crown according to claim 1, characterized in that the apprehension head (24) has a surface of revolution around the central axis completed by a transverse groove (26).
4. Couronne selon la revendication 1 , caractérisée en ce que la tige de remontoir traverse le boîtier de montre au travers d'un tube (40) se terminant dans le boîtier par un logement annulaire (42) pour un joint d'étanchéité (44) contre la tige. 4. Crown according to claim 1, characterized in that the winding rod passes through the watch case through a tube (40) ending in the case by an annular housing (42) for a seal (44 ) against the stem.
PCT/FR1993/000299 1992-03-30 1993-03-25 Watch crown WO1993020485A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93906665A EP0646256B1 (en) 1992-03-30 1993-03-25 Watch crown

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR92/04042 1992-03-30
FR9204042A FR2689256B1 (en) 1992-03-30 1992-03-30 WATCH CROWN.

Publications (1)

Publication Number Publication Date
WO1993020485A1 true WO1993020485A1 (en) 1993-10-14

Family

ID=9428416

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1993/000299 WO1993020485A1 (en) 1992-03-30 1993-03-25 Watch crown

Country Status (3)

Country Link
EP (1) EP0646256B1 (en)
FR (1) FR2689256B1 (en)
WO (1) WO1993020485A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2008015929A (en) 2006-06-12 2009-03-05 Playtex Products Inc Tampon assembly providing proper bodily placement of a pledget.
US9817430B2 (en) 2013-02-22 2017-11-14 Karim Messadek Protective apparatuses for rotary control knobs
US20140237790A1 (en) * 2013-02-22 2014-08-28 Karim Messadek Protective apparatuses for rotary control knobs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US579996A (en) * 1897-04-06 Fritz mink
US666569A (en) * 1900-04-14 1901-01-22 Michael Sporleder Watchcase-pendant.
CH20794A (en) * 1899-12-30 1901-03-31 Fiffel Gonin & Cie Pendant with crest
US879208A (en) * 1907-10-25 1908-02-18 Michael Sporleder Setting mechanism for watches.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US579996A (en) * 1897-04-06 Fritz mink
CH20794A (en) * 1899-12-30 1901-03-31 Fiffel Gonin & Cie Pendant with crest
US666569A (en) * 1900-04-14 1901-01-22 Michael Sporleder Watchcase-pendant.
US879208A (en) * 1907-10-25 1908-02-18 Michael Sporleder Setting mechanism for watches.

Also Published As

Publication number Publication date
EP0646256B1 (en) 1998-07-01
EP0646256A1 (en) 1995-04-05
FR2689256A1 (en) 1993-10-01
FR2689256B1 (en) 1994-05-20

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