EP3570116A1 - Clock casing component comprising rotational blocking means - Google Patents

Clock casing component comprising rotational blocking means Download PDF

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Publication number
EP3570116A1
EP3570116A1 EP19173461.5A EP19173461A EP3570116A1 EP 3570116 A1 EP3570116 A1 EP 3570116A1 EP 19173461 A EP19173461 A EP 19173461A EP 3570116 A1 EP3570116 A1 EP 3570116A1
Authority
EP
European Patent Office
Prior art keywords
groove
profile
base
connecting element
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19173461.5A
Other languages
German (de)
French (fr)
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EP3570116B1 (en
Inventor
Jean-Marie Bichot
Cédric Chavaillaz
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.)
Officine Panerai AG
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Officine Panerai AG
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Publication date
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Publication of EP3570116A1 publication Critical patent/EP3570116A1/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
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • G04B19/286—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel with locking means to prevent undesired rotations in both directions
    • 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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases

Definitions

  • the present invention relates to a watchmaking component comprising a first element assembled with a second element and having locking means for preventing rotation of the first element relative to the second element.
  • a dressing component comprising a cap mounted on a base (bezel, crown, pusher) limits the hunting if the cap is made in certain types of material (hard, brittle, etc.), the difficulties related to their hunting may result from the intrinsic properties of the material or the dimensioning of the wall to be removed (small thickness, etc.).
  • An object of the present invention is to overcome at least in part the disadvantages of the prior art, taking advantage of the ease of assembly of the use of compressible elements (such as seals or similar components made in a relatively deformable material) while avoiding the risk of rotation by deforming this element irregularly, so that it occupies spaces in the parts to be assembled together that prevent their relative rotation once assembled.
  • compressible elements such as seals or similar components made in a relatively deformable material
  • the present invention relates to a watchmaking component comprising a first element having a first surface of revolution with respect to an axis, a second element having a second surface of revolution with respect to the axis and configured to be assembled with the first member so as to form a revolution groove between first and second surfaces, configured to receive a deformable connecting member;
  • the dressing component comprises locking means for preventing rotation of the first element relative to the second element, comprising a first profile included on at least a part of the first surface and a second profile included on at least a part of the second surface, the first and second profiles varying in the radial direction relative to the axis so as to form a flared portion on at least a portion of the groove, wherein the connecting member expands when the first member is assembled to the second element.
  • the figure 1 illustrates a watchmaking component according to one embodiment.
  • the component includes a winding crown comprising a crown head 10 of substantially cylindrical shape.
  • the lateral surface of the crown head 10 is notched externally to facilitate gripping.
  • the crown head 10 is internally bored to receive a base 20 for supporting a winding stem 25 of a watch movement (not shown).
  • the base 20, having substantially the shape of the disk, has an outer diameter substantially smaller than the diameter of the bore 11 of the crown head 10.
  • a groove 60 is formed between the surface 12 of the 11 and the peripheral surface 21 of the base 20, when the crown head 10 is assembled with the base 20.
  • the groove 60 therefore has a section which is determined by the conformation of the bore surface 12 and the peripheral surface 21 of the base 20, along a revolution of the crown head 10 and the base 20 around a crown axis 40.
  • a connecting element 30 is arranged to be interposed between the crown head 10 and the base 20, the connecting element 30 being housed in the groove 60.
  • the connecting element 30 comprises an annular seal.
  • the annular seal 30 may have a constant or variable section along its circumference.
  • the covering component comprises locking means for preventing rotation of the crown head 10 relative to the base 20.
  • the locking means comprise a first radially variable profile 13 extending angularly along a portion of the circumference of the bore surface 12 of the crown head 10.
  • the locking means also comprise a second radially variable profile 23 extending angularly along a portion of the circumference of the lateral surface. 21 of the base 20.
  • the first radially variable profile 13, with respect to the axis 40 can be obtained by varying the diameter of the bore 11.
  • the second radially variable profile 23, radial with respect to the axis 40 can be obtained by varying the diameter of the base 20.
  • the first radially variable profile comprises a groove 13 formed on an angular segment along the surface 12 and the second radially variable profile also comprises a groove 23 formed on an angular segment along the periphery of the base 20.
  • the first and second radially variable profiles 13, 23 may be obtained in particular by milling or any other appropriate machining method.
  • the covering component is made by assembling the crown head 10 with the base 20.
  • the connecting element 30 is mounted indifferently on the base 20 or the crown head 10 before assembly of these last two components together.
  • the first profile 13 and the second profile 23 form a flared portion 61 on at least a portion of the groove 60.
  • the connecting element 30 housed in the groove 60 and interposed between the crown head 10 and the base 20, is then deformed by expending in the flared portion 61, thus forming a radially deformed portion (or expanded portion) 31 of the connecting element 30.
  • the expanded portion 31 filling the flared portion 61 prevents the relative rotation the crown head 10 with respect to the base 20.
  • the connecting element 30 may be made of a polymeric material capable of flowing or deforming in the groove 60, and in the flared portion 61, when it is compressed during the assembly of the crown head 10 with the base 20. As illustrated in Figures 3 and 4 , the connecting element 30, compressed in the throat 60 flows, or decompresses, in the flared portion 61, thereby generating the expanded portion 31 of the connecting element 30.
  • the figure 2 shows a top view of the dressing component of the figure 1 , in which the first radially variable profile 13 is partially angularly aligned with the second profile radially variable 23 producing, during assembly of the crown head 10 with the base 20, a flared portion 61 of asymmetrical shape.
  • the uncompressed connecting member 30 (in the form of a seal) is represented by the thickened ring (section) S 0 .
  • the solid lines inside the lined lines represent the compressed connecting element 30, after assembly, having a section of thickness S 1 corresponding substantially to that of the section of the groove 60.
  • the thicknesses S 2 and S 2 ' correspond to the thickness of the expanded portion 31 of the connecting member 30 in the flared portion 61.
  • the thicknesses S 2 and S 2' are both greater than S 1 but not necessarily greater than S 0 .
  • the section of the groove 60 is smaller than the section of the connecting element 30 so that, during assembly, the connecting element 30 is compressed in the groove 60 and expands in the flared portion 61.
  • the groove 60 is configured to subject the connecting element 30 to a substantially radial compression, when the first element 10 is assembled to the second element 20.
  • FIGs 3a to 3c show a top view of a configuration of the dressing component of the figure 1 in which the first radially variable profile 13 is angularly aligned with the second radially variable profile 23.
  • figure 3a shows the crown head 10 assembled with the base 20 forming the groove 60 with the flared portion 61 symmetrical.
  • the broken lines represent the groove 60 with the flared portion 61 and the solid lines represent the connecting element 30 before the assembly of the crown head 10 with the base 20.
  • figure 3c compares the connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines) comprising the expanded portion 31.
  • FIGs 4a to 4c show a top view of a configuration of the dressing component of the figure 1 in which the first radially variable profile 13 is partially angularly aligned with the second radially variable profile 23.
  • figure 4a shows the crown head 10 assembled with the base 20 forming the groove 60 with the asymmetrical flared portion 61.
  • the broken lines represent the groove 60 with the flared portion 61 and the solid lines represent the connecting element 30 before the assembly of the crown head 10 with the base 20.
  • figure 4c compares the connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines) comprising the expanded portion 31.
  • the figure 5 shows a top view of a configuration of the skin component of the figure 1 in which the first radially variable profile 13 is completely non-aligned angularly with the second radially variable profile 23.
  • the figure 6 illustrates a variant in which the connecting element 30 before assembly (solid lines), comprises an expanded portion 31 which is preformed ( figure 6a ).
  • the groove 60 with the flared portion 61 is shown in broken lines.
  • the figure 6b compares the preformed connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines).
  • the figure 7 shows a sectional view of the dressing component of the figure 1 according to one embodiment in which the crown head 10 comprises a first axially variable profile 14 and the base 20 comprises a second axially variable profile 24.
  • the first and second Axially variable profiles 14, 24 are configured to abut against the connecting element 30, axially retaining the crown head 10 and the base 20, preventing their separation after assembly.
  • the figure 8 shows a detail of the sectional view of the figure 2 , each representing the first and second axially variable profile 14, 24 in the form of a lip.
  • the figure 9 illustrates another example of a watchmaking component in which a telescope cap 10 to be mounted on a telescope base 20 with the connecting element 30 being interposed between the cap of the telescope 10 and the base
  • the connecting element 30 being interposed between the cap of the telescope 10 and the base
  • the cap 10 includes indications corresponding to this indexing and which must cooperate with other display members of the watch such as a dial or hands.
  • the groove and the flared portion are formed between a first surface and a first profile located inside the bezel 10 (and therefore which are not visible in the figure) and a second surface 21 and a second profile 23 located in periphery of the base of the telescope 20.
  • a watchmaking component may comprise the cap of a pusher assembled similarly on the base of the pusher via a connecting element interposed between the cap and the base of the pusher.
  • the covering component may comprise any component comprising a first element 10 having a first surface 11 of revolution with respect to an axis 40 and a second element 20 having a second surface 21 of revolution with respect to the axis 40.
  • the first element 10 is configured to be assembled with the second member 20 so as to form a groove 60 of revolution between the first and second surfaces 10, 11, the groove 60 thus formed being configured to receive a deformable connecting member 30.
  • the dressing component further comprises locking means for preventing rotation of the first element 10 relative to the second element 20.
  • the locking means comprise a first profile 13 included on at least a portion of the first surface 11 and a second profile 23 included on at least a portion of the second surface 21.
  • Each of the first and second profiles 13, 23 varies in the radial direction with respect to the axis 40, in a plane P (see FIG. figure 1 ) substantially perpendicular to the axis 40, so as to form a flared portion 61 on at least a portion of the groove 60.
  • the first element 10 is made of a material such as a ceramic, a composite (such as for example a cermet or a surface-ceramised metal), a hard metal or a metallic glass.
  • the second member 20 may be made of metal, ceramic or intermetallic.
  • One of the advantages of the present invention being to reduce the compression of the connecting member 30 with respect to compression in a continuous groove 60, it can also be applied to conventional materials such as metals whose walls would make it advantageous. the use of this principle.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)

Abstract

La présente invention concerne un composant d'habillage horloger comprenant un premier élément (10) et un second élément (20) ayant, respectivement, une première surface (11) et une seconde surface (21) de révolution par rapport à l'axe (40); une gorge (60) formée entre la première (11) et la seconde surface (21) et configurée pour recevoir un élément de liaison (30) déformable; et des moyens de blocage empêchant la rotation du premier élément (10) par rapport au second élément (20), comprenant un premier profil (13) compris sur au moins une partie de la première surface (11) et un second profil (23) compris sur au moins une partie de la seconde surface (21), le premier et second profil (13, 23) variant dans la direction radiale par rapport à l'axe (40) de manière à former une portion évasée (61) sur au moins une partie de la gorge (60), dans laquelle l'élément de liaison (30) s'expand lorsque le premier élément (10) est assemblé au second élément (20).

Figure imgaf001
The present invention relates to a watchmaking component comprising a first element (10) and a second element (20) having, respectively, a first surface (11) and a second surface (21) of revolution relative to the axis ( 40); a groove (60) formed between the first (11) and the second surface (21) and configured to receive a deformable connecting member (30); and locking means preventing rotation of the first member (10) relative to the second member (20), comprising a first profile (13) included on at least a portion of the first surface (11) and a second profile (23) at least a portion of the second surface (21), the first and second profiles (13, 23) varying radially of the axis (40) so as to form a flared portion (61) on the at least part of the groove (60), in which the connecting element (30) expands when the first element (10) is joined to the second element (20).
Figure imgaf001

Description

Domaine techniqueTechnical area

La présente invention concerne un composant d'habillage horloger comprenant un premier élément assemblé avec un second élément et comportant des moyens de blocage pour empêcher la rotation du premier élément par rapport au second élément.The present invention relates to a watchmaking component comprising a first element assembled with a second element and having locking means for preventing rotation of the first element relative to the second element.

Etat de la techniqueState of the art

L'assemblage d'un composant d'habillage comprenant une coiffe montée sur une base (lunette, couronne, poussoir) limite le chassage si la coiffe est réalisée dans certains types de matériau (dur, cassant, etc.), les difficultés liés à leur chassage pouvant résulter des propriétés intrinsèques du matériau ou du dimensionnement de la paroi à chasser (faible épaisseur, etc.).The assembly of a dressing component comprising a cap mounted on a base (bezel, crown, pusher) limits the hunting if the cap is made in certain types of material (hard, brittle, etc.), the difficulties related to their hunting may result from the intrinsic properties of the material or the dimensioning of the wall to be removed (small thickness, etc.).

D'autres types d'assemblage comme le vissage sont limités à des composants dont le matériau de la coiffe permet de réaliser une telle géométrie de montage, et peut aussi poser d'autres problèmes pour des composants devant être manipulés de manière bidirectionnelle (dévissage).Other types of assembly such as screwing are limited to components whose cap material makes it possible to achieve such a mounting geometry, and may also pose other problems for components to be handled bidirectionally (unscrewing). .

De manière plus courante, il est possible de coller la coiffe et sa base, mais le collage de deux composants d'habillage entre eux peut être affecté, voire rompu, notamment lorsqu'un tel composant est soumis à des manipulations impliquant un couple de rotation ou lorsqu'il est soumis à certaines contraintes d'environnement affectant la chimie de la colle.More commonly, it is possible to glue the cap and its base, but the bonding of two components of dressing between them can be affected or broken, especially when such a component is subjected to manipulations involving a couple of rotation or when it is subject to certain environmental constraints affecting the chemistry of the glue.

Enfin il a été proposé de monter un tel composant d'habillage par l'utilisation de joints, mais ces constructions présentent des couples d'entraînement en rotation incertains pour des composants réalisés dans les matériaux recherchés, notamment en raison d'une compression limitée afin de ne pas générer des contraintes excessives entre les composants. En effet, un serrage excessif est à proscrire, et un serrage limité entraîne des risques de glissement des géométries de montage entre elles, ainsi qu'une incertitude de positionnement radiale en raison du retour élastique.Finally, it has been proposed to mount such a cladding component by the use of seals, but these constructions have uncertain rotational drive torques for components made in them. sought-after materials, in particular because of limited compression so as not to generate excessive stresses between the components. Indeed, excessive tightening is to be avoided, and limited tightening leads to risks of sliding mounting geometries together, and a radial positioning uncertainty due to the springback.

Bref résumé de l'inventionBrief summary of the invention

Un but de la présente invention est de remédier au moins en partie aux inconvénients de l'art antérieur, en profitant de la facilité de montage de l'utilisation d'éléments compressibles (comme des joint ou composants similaires réalisés dans une matière relativement déformable) tout en s'affranchissant des risques de rotation en déformant cet élément de manière irrégulière, de sorte qu'il occupe des espaces dans les pièces à assembler entre elles qui empêchent leur rotation relative une fois assemblés.An object of the present invention is to overcome at least in part the disadvantages of the prior art, taking advantage of the ease of assembly of the use of compressible elements (such as seals or similar components made in a relatively deformable material) while avoiding the risk of rotation by deforming this element irregularly, so that it occupies spaces in the parts to be assembled together that prevent their relative rotation once assembled.

Plus particulièrement, la présente invention concerne un composant d'habillage horloger comprenant un premier élément présentant une première surface de révolution par rapport à un axe, un second élément présentant une seconde surface de révolution par rapport à l'axe et configuré pour être assemblé avec le premier élément de manière former une gorge de révolution entre première et la seconde surface, configurée pour recevoir un élément de liaison déformable; le composant d'habillage comporte des moyens de blocage pour empêcher la rotation du premier élément par rapport au second élément, comprenant un premier profil compris sur au moins une partie de la première surface et un second profil compris sur au moins une partie de la seconde surface, le premier et second profil variant dans la direction radiale par rapport à l'axe de manière à former une portion évasée sur au moins une partie de la gorge, dans laquelle l'élément de liaison s'expand lorsque le premier élément est assemblé au second élément.More particularly, the present invention relates to a watchmaking component comprising a first element having a first surface of revolution with respect to an axis, a second element having a second surface of revolution with respect to the axis and configured to be assembled with the first member so as to form a revolution groove between first and second surfaces, configured to receive a deformable connecting member; the dressing component comprises locking means for preventing rotation of the first element relative to the second element, comprising a first profile included on at least a part of the first surface and a second profile included on at least a part of the second surface, the first and second profiles varying in the radial direction relative to the axis so as to form a flared portion on at least a portion of the groove, wherein the connecting member expands when the first member is assembled to the second element.

Ainsi, il est possible avec un élément de liaison déformable, de section continue ou variable avant montage, de réaliser un montage interdisant toute rotation relative après assemblage du composant d'habillageThus, it is possible with a deformable connecting element, of continuous or variable section before assembly, to make an assembly prohibiting any relative rotation after assembly of the dressing component.

Brève description des figuresBrief description of the figures

Des exemples de mise en oeuvre de l'invention sont indiqués dans la description illustrée par les figures annexées dans lesquelles :

  • la figure 1 illustre un composant d'habillage horloger selon un mode de réalisation;
  • la figure 2 montre une vue de dessus du composant d'habillage de la figure 1;
  • les figures 3a à 3c montrent une vue de dessus du composant d'habillage de la figure 1, selon un mode de réalisation;
  • les figures 4a à 4c montrent une vue de dessus du composant d'habillage de la figure 1, selon un autre mode de réalisation;
  • la figure 5 montre une vue de dessus du composant d'habillage de la figure 1, encore selon un autre mode de réalisation;
  • les figures 6a et 6b illustrent un élément de liaison du composant d'habillage, selon un mode de réalisation;
  • la figure 7 montre une vue en coupe du composant d'habillage de la figure 1, selon un mode de réalisation;
  • la figure 8 montre un détail de la vue en coupe de la figure 2; et
  • la figure 9 illustre un autre exemple d'un composant d'habillage horloger, selon un mode de réalisation.
Examples of implementation of the invention are indicated in the description illustrated by the appended figures in which:
  • the figure 1 illustrates a watchmaking component according to one embodiment;
  • the figure 2 shows a top view of the dressing component of the figure 1 ;
  • the Figures 3a to 3c show a top view of the dressing component of the figure 1 according to one embodiment;
  • the Figures 4a to 4c show a top view of the dressing component of the figure 1 according to another embodiment;
  • the figure 5 shows a top view of the dressing component of the figure 1 , still according to another embodiment;
  • the Figures 6a and 6b illustrate a linking element of the cladding component, according to one embodiment;
  • the figure 7 shows a sectional view of the dressing component of the figure 1 according to one embodiment;
  • the figure 8 shows a detail of the sectional view of the figure 2 ; and
  • the figure 9 illustrates another example of a watchmaking component, according to one embodiment.

Exemple(s) de mode de réalisationExample (s) of embodiment

La figure 1 illustre un composant d'habillage horloger selon un mode de réalisation. Le composant comprend une couronne de remontoir comprenant une tête de couronne 10 de forme sensiblement cylindrique. La surface latérale de la tête de couronne 10 est crantée extérieurement pour faciliter la préhension. La tête de couronne 10 est alésée intérieurement pour accueillir une base 20 de support d'une tige de remontoir 25 d'un mouvement de montre (non représenté).The figure 1 illustrates a watchmaking component according to one embodiment. The component includes a winding crown comprising a crown head 10 of substantially cylindrical shape. The lateral surface of the crown head 10 is notched externally to facilitate gripping. The crown head 10 is internally bored to receive a base 20 for supporting a winding stem 25 of a watch movement (not shown).

La base 20, ayant sensiblement la forme du disque, a un diamètre extérieur 22 sensiblement plus petit que le diamètre 15 de l'alésage 11 de la tête de couronne 10. De la sorte, une gorge 60 est formée entre la surface 12 d'alésage 11 et la surface périphérique 21 de la base 20, lorsque la tête de couronne 10 est assemblée avec la base 20. La gorge 60 a donc une section qui est déterminée par la conformation de la surface d'alésage 12 et de la surface périphérique 21 de la base 20, le long d'une révolution de la tête de couronne 10 et de la base 20 autour d'un axe de couronne 40.The base 20, having substantially the shape of the disk, has an outer diameter substantially smaller than the diameter of the bore 11 of the crown head 10. In this way, a groove 60 is formed between the surface 12 of the 11 and the peripheral surface 21 of the base 20, when the crown head 10 is assembled with the base 20. The groove 60 therefore has a section which is determined by the conformation of the bore surface 12 and the peripheral surface 21 of the base 20, along a revolution of the crown head 10 and the base 20 around a crown axis 40.

Un élément de liaison 30 est arrangé pour venir s'intercaler entre la tête de couronne 10 et la base 20, l'élément de liaison 30 venant se loger dans la gorge 60. Selon la forme d'exécution de la figure 1, l'élément de liaison 30 comprend un joint annulaire. Le joint annulaire 30 peut avoir une section constante ou variable le long de sa circonférence.A connecting element 30 is arranged to be interposed between the crown head 10 and the base 20, the connecting element 30 being housed in the groove 60. According to the embodiment of the figure 1 , the connecting element 30 comprises an annular seal. The annular seal 30 may have a constant or variable section along its circumference.

Selon une forme d'exécution, le composant d'habillage comprend des moyens de blocage pour empêcher la rotation la tête de couronne 10 par rapport à la base 20. Les moyens de blocage comprennent un premier profil radialement variable 13 s'étendant angulairement le long d'une portion de la circonférence de la surface d'alésage 12 de la tête de couronne 10. Les moyens de blocage comprennent également un second profil radialement variable 23 s'étendant angulairement le long d'une portion de la circonférence de la surface latérale 21 de la base 20. Le premier profil radialement variable 13, par rapport à l'axe 40, peut être obtenu par une variation du diamètre de l'alésage 11. Le second profil radialement variable 23, radiale par rapport à l'axe 40, peut être obtenu par une variation du diamètre de la base 20.According to one embodiment, the covering component comprises locking means for preventing rotation of the crown head 10 relative to the base 20. The locking means comprise a first radially variable profile 13 extending angularly along a portion of the circumference of the bore surface 12 of the crown head 10. The locking means also comprise a second radially variable profile 23 extending angularly along a portion of the circumference of the lateral surface. 21 of the base 20. The first radially variable profile 13, with respect to the axis 40, can be obtained by varying the diameter of the bore 11. The second radially variable profile 23, radial with respect to the axis 40 can be obtained by varying the diameter of the base 20.

Dans l'exemple illustré à la figure 1, le premier profil radialement variable comprend une cannelure 13 pratiquée sur un segment angulaire le long de la surface 12 et le second profil radialement variable comprend également une cannelure 23 pratiquée sur un segment angulaire le long de la périphérie de la base 20. Les premier et second profils radialement variables 13, 23 peuvent être obtenus notamment par fraisage ou toute autre méthode d'usinage appropriée.In the example shown in figure 1 , the first radially variable profile comprises a groove 13 formed on an angular segment along the surface 12 and the second radially variable profile also comprises a groove 23 formed on an angular segment along the periphery of the base 20. The first and second radially variable profiles 13, 23 may be obtained in particular by milling or any other appropriate machining method.

Selon un mode de réalisation, le composant d'habillage est réalisé en assemblant la tête de couronne 10 avec la base 20. L'élément de liaison 30 est monté de manière indifférente sur la base 20 ou la tête de couronne 10 avant l'assemblage de ces deux derniers composants entre eux.According to one embodiment, the covering component is made by assembling the crown head 10 with the base 20. The connecting element 30 is mounted indifferently on the base 20 or the crown head 10 before assembly of these last two components together.

Lors de l'assemblage, le premier profil 13 et le second profil 23 forment une portion évasée 61 sur au moins une partie de la gorge 60. L'élément de liaison 30 logé dans la gorge 60 et intercalé entre la tête de couronne 10 et la base 20, se déforme alors en s'expandant dans la portion évasée 61, formant ainsi une portion radialement déformée (ou portion expandue) 31 de l'élément de liaison 30. La portion expandue 31 remplissant la portion évasée 61 empêche la rotation relative de la tête de couronne 10 par rapport à la base 20.During assembly, the first profile 13 and the second profile 23 form a flared portion 61 on at least a portion of the groove 60. The connecting element 30 housed in the groove 60 and interposed between the crown head 10 and the base 20, is then deformed by expending in the flared portion 61, thus forming a radially deformed portion (or expanded portion) 31 of the connecting element 30. The expanded portion 31 filling the flared portion 61 prevents the relative rotation the crown head 10 with respect to the base 20.

L'élément de liaison 30 peut être réalisé dans un matériau polymérique apte à fluer ou à se déformer dans la gorge 60, et dans la portion évasée 61, lorsqu'il est compressé pendant l'assemblage de la tête de couronne 10 avec la base 20. Comme illustré dans les figures 3 et 4, l'élément de liaison 30, compressé dans la gorge 60 flux, ou se décomprime, dans la portion évasée 61, générant ainsi la portion expandue 31 de l'élément de liaison 30.The connecting element 30 may be made of a polymeric material capable of flowing or deforming in the groove 60, and in the flared portion 61, when it is compressed during the assembly of the crown head 10 with the base 20. As illustrated in Figures 3 and 4 , the connecting element 30, compressed in the throat 60 flows, or decompresses, in the flared portion 61, thereby generating the expanded portion 31 of the connecting element 30.

La figure 2 montre une vue de dessus du composant d'habillage de la figure 1, dans laquelle le premier profil radialement variable 13 est partiellement aligné angulairement avec le second profil radialement variable 23 produisant, lors de l'assemblage de la tête de de couronne 10 avec la base 20, une portion évasée 61 de forme asymétrique. Dans cette figure, l'élément de liaison 30 (ayant la forme d'un joint) non comprimé est représenté par l'anneau en traitillé d'épaisseur (section) S0. Les lignes pleines, à l'intérieur des lignes traitillées représentent l'élément de liaison 30 comprimé, après l'assemblage, ayant une section d'épaisseur S1 correspondant sensiblement à la celle de la section de la gorge 60. Les épaisseurs S2 et S2' correspondent à l'épaisseur de la portion expandue 31 de l'élément de liaison 30 dans la portion évasée 61. Les épaisseurs S2 et S2' sont toutes deux supérieures à S1 mais pas nécessairement supérieures à S0. Autrement dit, la section de la gorge 60 est plus petite que la section de l'élément de liaison 30 de sorte que, lors de l'assemblage, l'élément de liaison 30 est comprimé dans la gorge 60 et s'expand dans la portion évasée 61.The figure 2 shows a top view of the dressing component of the figure 1 , in which the first radially variable profile 13 is partially angularly aligned with the second profile radially variable 23 producing, during assembly of the crown head 10 with the base 20, a flared portion 61 of asymmetrical shape. In this figure, the uncompressed connecting member 30 (in the form of a seal) is represented by the thickened ring (section) S 0 . The solid lines inside the lined lines represent the compressed connecting element 30, after assembly, having a section of thickness S 1 corresponding substantially to that of the section of the groove 60. The thicknesses S 2 and S 2 ' correspond to the thickness of the expanded portion 31 of the connecting member 30 in the flared portion 61. The thicknesses S 2 and S 2' are both greater than S 1 but not necessarily greater than S 0 . In other words, the section of the groove 60 is smaller than the section of the connecting element 30 so that, during assembly, the connecting element 30 is compressed in the groove 60 and expands in the flared portion 61.

Selon une forme d'exécution, la gorge 60 est configurée de manière à soumettre l'élément de liaison 30 à une compression sensiblement radiale, lorsque le premier élément 10 est assemblé au second élément 20.According to one embodiment, the groove 60 is configured to subject the connecting element 30 to a substantially radial compression, when the first element 10 is assembled to the second element 20.

Les figures 3a à 3c montrent une vue de dessus d'une configuration du composant d'habillage de la figure 1 dans laquelle le premier profil radialement variable 13 est aligné angulairement avec le second profil radialement variable 23. La figure 3a montre la tête de de couronne 10 assemblée avec la base 20 formant la gorge 60 avec la portion évasée 61 symétrique. Dans la figure 3b, les traitillés représentent la gorge 60 avec la portion évasée 61 et les traits pleins représentent l'élément de liaison 30 avant l'assemblage de la tête de de couronne 10 avec la base 20. La figure 3c compare l'élément de liaison 30' avant l'assemblage (traitillés) et l'élément de liaison 30 après l'assemblage (traits pleins) comportant la portion expandue 31.The Figures 3a to 3c show a top view of a configuration of the dressing component of the figure 1 in which the first radially variable profile 13 is angularly aligned with the second radially variable profile 23. figure 3a shows the crown head 10 assembled with the base 20 forming the groove 60 with the flared portion 61 symmetrical. In the figure 3b , the broken lines represent the groove 60 with the flared portion 61 and the solid lines represent the connecting element 30 before the assembly of the crown head 10 with the base 20. figure 3c compares the connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines) comprising the expanded portion 31.

Les figures 4a à 4c montrent une vue de dessus d'une configuration du composant d'habillage de la figure 1 dans laquelle le premier profil radialement variable 13 est partiellement aligné angulairement avec le second profil radialement variable 23. La figure 4a montre la tête de de couronne 10 assemblée avec la base 20 formant la gorge 60 avec la portion évasée 61 asymétrique. Dans la figure 4b, les traitillés représentent la gorge 60 avec la portion évasée 61 et les traits pleins représentent l'élément de liaison 30 avant l'assemblage de la tête de de couronne 10 avec la base 20. La figure 4c compare l'élément de liaison 30' avant l'assemblage (traitillés) et l'élément de liaison 30 après l'assemblage (traits pleins) comportant la portion expandue 31.The Figures 4a to 4c show a top view of a configuration of the dressing component of the figure 1 in which the first radially variable profile 13 is partially angularly aligned with the second radially variable profile 23. figure 4a shows the crown head 10 assembled with the base 20 forming the groove 60 with the asymmetrical flared portion 61. In the figure 4b , the broken lines represent the groove 60 with the flared portion 61 and the solid lines represent the connecting element 30 before the assembly of the crown head 10 with the base 20. figure 4c compares the connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines) comprising the expanded portion 31.

La figure 5 montre une vue de dessus d'une configuration du composant d'habillage de la figure 1 dans laquelle le premier profil radialement variable 13 est complètement non aligné angulairement avec le second profil radialement variable 23.The figure 5 shows a top view of a configuration of the skin component of the figure 1 in which the first radially variable profile 13 is completely non-aligned angularly with the second radially variable profile 23.

La figure 6 illustre une variante dans laquelle l'élément de liaison 30 avant l'assemblage (traits pleins), comporte une portion expandue 31 qui est préformée (figure 6a). La gorge 60 avec la portion évasée 61 est représentée en traitillées. La figure 6b compare l'élément de liaison 30' préformé avant l'assemblage (traitillés) et l'élément de liaison 30 après l'assemblage (traits pleins).The figure 6 illustrates a variant in which the connecting element 30 before assembly (solid lines), comprises an expanded portion 31 which is preformed ( figure 6a ). The groove 60 with the flared portion 61 is shown in broken lines. The figure 6b compares the preformed connecting element 30 'before assembly (scored) and the connecting element 30 after assembly (solid lines).

La figure 7 montre une vue en coupe du composant d'habillage de la figure 1, selon une forme d'exécution dans laquelle la tête de couronne 10 comprend un premier profil axialement variable 14 et la base 20 comprend un second profil axialement variable 24. Lorsque la tête de couronne 10 est assemblée avec la base 20, les premier et second profils axialement variables 14, 24 sont configurés pour venir en butée contre l'élément de liaison 30, retenant axialement la tête de couronne 10 et la base 20, empêchant leur séparation après assemblage. La figure 8 montre un détail de la vue en coupe de la figure 2, représentant chacun du premier et du second profil axialement variable 14, 24 sous la forme d'une lèvre.The figure 7 shows a sectional view of the dressing component of the figure 1 according to one embodiment in which the crown head 10 comprises a first axially variable profile 14 and the base 20 comprises a second axially variable profile 24. When the crown head 10 is assembled with the base 20, the first and second Axially variable profiles 14, 24 are configured to abut against the connecting element 30, axially retaining the crown head 10 and the base 20, preventing their separation after assembly. The figure 8 shows a detail of the sectional view of the figure 2 , each representing the first and second axially variable profile 14, 24 in the form of a lip.

Il va de soi que la présente invention n'est pas limitée au mode de réalisation qui vient d'être décrit et que diverses modifications et variantes simples peuvent être envisagées par l'homme de métier sans sortir du cadre de la présente invention.It goes without saying that the present invention is not limited to the embodiment which has just been described and that various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the present invention.

Par exemple, la figure 9 illustre un autre exemple d'un composant d'habillage horloger dans lequel une coiffe de lunette 10 destinée à être montée sur une base de lunette 20 avec l'élément de liaison 30 venant s'intercaler entre la coiffe de la lunette 10 et la base de la lunette 20. Ceci est particulièrement intéressant pour des lunettes tournantes, comme par exemples des lunettes de plongée, dont la base doit être indexée par rapport à la carrure sur un nombre de positions déterminées et précises. Par exemple, la coiffe 10 comporte des indications correspondant à cette indexation et qui doivent coopérer avec d'autres organes d'affichage de la montre comme par exemple un cadran ou des aiguilles. Dans la figure 9, la gorge et la portion évasée sont formées entre une première surface et un premier profil situés à l'intérieur de la lunette 10 (et donc qui ne sont pas visibles sur la figure) et une seconde surface 21 et un second profil 23 situés en périphérie de la base de la lunette 20.For example, the figure 9 illustrates another example of a watchmaking component in which a telescope cap 10 to be mounted on a telescope base 20 with the connecting element 30 being interposed between the cap of the telescope 10 and the base This is particularly interesting for rotating spectacles, such as for example diving goggles, the base of which must be indexed with respect to the caseband over a number of specific and precise positions. For example, the cap 10 includes indications corresponding to this indexing and which must cooperate with other display members of the watch such as a dial or hands. In the figure 9 , the groove and the flared portion are formed between a first surface and a first profile located inside the bezel 10 (and therefore which are not visible in the figure) and a second surface 21 and a second profile 23 located in periphery of the base of the telescope 20.

Un autre exemple non illustré d'un composant d'habillage horloger peut comprendre la coiffe d'un poussoir assemblé similairement sur la base du poussoir par l'intermédiaire d'un élément de liaison intercalé entre la coiffe et la base du poussoir.Another non-illustrated example of a watchmaking component may comprise the cap of a pusher assembled similarly on the base of the pusher via a connecting element interposed between the cap and the base of the pusher.

Le composant d'habillage peut comprendre tout composant comprenant un premier élément 10 présentant une première surface 11 de révolution par rapport à un axe 40 et un second élément 20 présentant une seconde surface 21 de révolution par rapport à l'axe 40. Le premier élément 10 est configuré pour être assemblé avec le second élément 20 de manière à former une gorge 60 de révolution entre la première et la seconde surfaces 10, 11, la gorge 60 ainsi formée étant configurée pour recevoir un élément de liaison 30 déformable.The covering component may comprise any component comprising a first element 10 having a first surface 11 of revolution with respect to an axis 40 and a second element 20 having a second surface 21 of revolution with respect to the axis 40. The first element 10 is configured to be assembled with the second member 20 so as to form a groove 60 of revolution between the first and second surfaces 10, 11, the groove 60 thus formed being configured to receive a deformable connecting member 30.

Le composant d'habillage comporte en outre des moyens de blocage pour empêcher la rotation du premier élément 10 par rapport au second élément 20. Les moyens de blocage comprennent un premier profil 13 compris sur au moins une partie de la première surface 11 et un second profil 23 compris sur au moins une partie de la seconde surface 21. Chacun du premier et second profil 13, 23 varie dans la direction radiale par rapport à l'axe 40, dans un plan P (voir la figure 1) sensiblement perpendiculaire à l'axe 40, de manière à former une portion évasée 61 sur au moins une partie de la gorge 60. Lorsque le premier élément 10 est assemblé au second élément 20, l'élément de liaison 30 s'expand dans portion évasée 61.The dressing component further comprises locking means for preventing rotation of the first element 10 relative to the second element 20. The locking means comprise a first profile 13 included on at least a portion of the first surface 11 and a second profile 23 included on at least a portion of the second surface 21. Each of the first and second profiles 13, 23 varies in the radial direction with respect to the axis 40, in a plane P (see FIG. figure 1 ) substantially perpendicular to the axis 40, so as to form a flared portion 61 on at least a portion of the groove 60. When the first element 10 is assembled to the second element 20, the connecting element 30 expands in portion flared 61.

Selon une forme d'exécution, le premier élément 10 est fabriqué dans un matériau tel qu'une céramique, un composite (comme par exemple un cermet ou un métal céramisé en surface), un métal dur ou un verre métallique. Le second élément 20 peut être fabriqué dans un métal, une céramique ou un intermétallique.According to one embodiment, the first element 10 is made of a material such as a ceramic, a composite (such as for example a cermet or a surface-ceramised metal), a hard metal or a metallic glass. The second member 20 may be made of metal, ceramic or intermetallic.

L'un des avantages de la présente invention étant de réduire la compression de l'élément de liaison 30 par rapport à une compression dans une gorge 60 continue, elle peut aussi s'appliquer à des matériaux conventionnels comme des métaux dont les parois rendraient avantageux l'utilisation de ce principe.One of the advantages of the present invention being to reduce the compression of the connecting member 30 with respect to compression in a continuous groove 60, it can also be applied to conventional materials such as metals whose walls would make it advantageous. the use of this principle.

Numéros de référence employés sur les figuresReference numbers used in the figures

1010
premier élément, tête ou coiffefirst element, head or cap
1111
première surface, alésagefirst surface, bore
1212
surface de l'alésagebore surface
1313
premier profil, cannelurefirst profile, groove
1414
premier profil axialement variablefirst axially variable profile
1515
diamètre de l'alésagediameter of the bore
2020
second élément, basesecond element, base
2121
seconde surface, surface latérale de la basesecond surface, lateral surface of the base
2222
diamètre extérieur de la baseouter diameter of the base
2323
second profilsecond profile
2424
second profil axialement variablesecond axially variable profile
2525
support de tige de remontoirwinding stem support
3030
élément de liaisonconnecting element
30'30'
élément de liaison avant l'assemblageconnecting element before assembly
3131
portion expandue de l'élément de liaisonexpanded portion of the linking element
4040
axeaxis
6060
gorgethroat
6161
portion évaséeflared portion

Claims (9)

Composant d'habillage horloger comprenant: un premier élément (10) présentant une première surface (11) de révolution par rapport à un axe (40); un second élément (20) présentant une seconde surface (21) de révolution par rapport à l'axe (40) et configuré pour être assemblé avec le premier élément (10) de manière former une gorge (60) de révolution entre la première (11) et la seconde surface (21), configurée pour recevoir un élément de liaison (30) déformable;
caractérisé en ce le composant d'habillage comporte des moyens de blocage pour empêcher la rotation du premier élément (10) par rapport au second élément (20), comprenant: un premier profil (13) compris sur au moins une partie de la première surface (11) et un second profil (23) compris sur au moins une partie de la seconde surface (21), le premier et second profil (13, 23) variant dans la direction radiale par rapport à l'axe (40) de manière à former une portion évasée (61) sur au moins une partie de la gorge (60), la gorge (60) étant configurée de manière à soumettre l'élément de liaison (30) à une compression sensiblement radiale, lorsque le premier élément (10) est assemblé au second élément (20), de sorte que l'élément de liaison (30) s'expand dans la portion évasée (61) lorsque le premier élément (10) est assemblé au second élément (20). Watchmaking component comprising: a first member (10) having a first surface (11) of revolution relative to an axis (40); a second member (20) having a second surface (21) of revolution relative to the axis (40) and configured to be assembled with the first member (10) to form a groove (60) of revolution between the first member (10) ( 11) and the second surface (21), configured to receive a deformable connecting member (30);
characterized in that the cladding component includes locking means for preventing rotation of the first member (10) relative to the second member (20), comprising: a first profile (13) included on at least a part of the first surface (11) and a second profile (23) included on at least a part of the second surface (21), the first and second profile (13, 23) varying in the radial direction relative to the axis (40) so as to form a flared portion (61) on at least a portion of the groove (60), the groove (60) being configured to subject the connecting element (30) to a substantially radial compression, when the first element (10) is assembled to the second element (20), so that the connecting element ( 30) expands into the flared portion (61) when the first member (10) is joined to the second member (20). Le composant selon la revendication 1,
dans lequel la section de la gorge (60) dans un plan (P) sensiblement perpendiculaire à l'axe (40) est plus petite que la section de l'élément de liaison (30).The component of claim 1,
wherein the section of the groove (60) in a plane (P) substantially perpendicular to the axis (40) is smaller than the section of the connecting element (30). Le composant selon la revendication 2,
dans lequel l'élément de liaison (30) est compressé dans la gorge (60),
générant une portion expandue (31) dans la portion évasée (61) lorsque le premier élément (10) est assemblé au second élément (20).The component of claim 2,
wherein the connecting element (30) is compressed in the groove (60),
generating an expanded portion (31) in the flared portion (61) when the first member (10) is joined to the second member (20). Le composant selon l'une des revendications 1 à 3,
dans lequel le premier et second profils (13, 23) varient dans la direction radiale par rapport à l'axe (40) dans ledit plan (P).The component according to one of claims 1 to 3,
wherein the first and second profiles (13, 23) vary in the radial direction with respect to the axis (40) in said plane (P). Le composant selon l'une des revendications 1 à 4,
dans lequel l'élément de liaison (30) est fabriqué dans un matériau polymérique apte à fluer ou à se déformer dans la gorge (60) et dans la portion évasée (61), lorsqu'il est compressé pendant l'assemblage du premier élément (10) au second élément (20).The component according to one of claims 1 to 4,
wherein the connecting element (30) is made of a polymeric material capable of flowing or deforming in the groove (60) and the flared portion (61), when compressed during assembly of the first element (10) to the second member (20). Le composant selon l'une des revendications 1 à 5 comprenant une couronne de remontoir, dans laquelle premier élément comprend une tête de couronne (10) et le second élément comprend une base (20) de support d'une tige de remontoir (25), la gorge (60) étant formée entre un alésage (11) dans la tête de couronne (10) et une surface périphérique (21) de la base (20).The component according to one of claims 1 to 5 comprising a winding crown, wherein first element comprises a crown head (10) and the second element comprises a base (20) for supporting a winding stem (25) the groove (60) being formed between a bore (11) in the crown head (10) and a peripheral surface (21) of the base (20). Le composant selon l'une des revendications 1 à 5 comprenant un système de lunette dans lequel le premier élément comprend une coiffe de lunette (10) et le second élément comprend une base de lunette (20), la gorge (60) étant formée entre un alésage dans la lunette (10) et une surface périphérique (21) de la base de la lunette (20).The component according to one of claims 1 to 5 comprising a spectacle system in which the first element comprises a telescope cap (10) and the second element comprises a telescope base (20), the groove (60) being formed between a bore in the bezel (10) and a peripheral surface (21) of the base of the bezel (20). Le composant selon l'une des revendications 1 à 7,
dans lequel chacun du premier profil (13) et du second profil (23) comprend l'un de ou une combinaison de: une cannelure, une gorge, une rainure, ou un moletage.The component according to one of claims 1 to 7,
wherein each of the first profile (13) and the second profile (23) comprises one of or a combination of: a groove, a groove, a groove, or a knurling. Le composant selon l'une des revendications 1 à 8,
dans lequel l'élément de liaison (30) comprend un joint annulaire.The component according to one of claims 1 to 8,
wherein the connecting element (30) comprises an annular seal.
EP19173461.5A 2018-05-14 2019-05-09 Clock casing component comprising rotational blocking means Active EP3570116B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5912018A CH714976A1 (en) 2018-05-14 2018-05-14 Watchmaking component comprising rotational locking means.

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EP3570116A1 true EP3570116A1 (en) 2019-11-20
EP3570116B1 EP3570116B1 (en) 2021-02-24

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739382U (en) * 1980-08-15 1982-03-03
EP1139186A1 (en) * 2000-03-30 2001-10-04 Seiko Instruments Information Devices Inc. Wristwatch case
EP1431845A1 (en) * 2002-12-20 2004-06-23 Rolex S.A. Watchcase
JP2013104709A (en) * 2011-11-11 2013-05-30 Casio Comput Co Ltd Switch device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616465Y2 (en) * 1980-10-07 1986-02-26
JPH0731251B2 (en) * 1988-05-17 1995-04-10 シチズン時計株式会社 Reverse rotation prevention structure for rotating ring for watch
JP3620444B2 (en) * 2000-12-11 2005-02-16 セイコーエプソン株式会社 clock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739382U (en) * 1980-08-15 1982-03-03
EP1139186A1 (en) * 2000-03-30 2001-10-04 Seiko Instruments Information Devices Inc. Wristwatch case
EP1431845A1 (en) * 2002-12-20 2004-06-23 Rolex S.A. Watchcase
JP2013104709A (en) * 2011-11-11 2013-05-30 Casio Comput Co Ltd Switch device

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EP3570116B1 (en) 2021-02-24

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