EP3754435B1 - Clockpiece with fitted lugs - Google Patents

Clockpiece with fitted lugs Download PDF

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Publication number
EP3754435B1
EP3754435B1 EP19181793.1A EP19181793A EP3754435B1 EP 3754435 B1 EP3754435 B1 EP 3754435B1 EP 19181793 A EP19181793 A EP 19181793A EP 3754435 B1 EP3754435 B1 EP 3754435B1
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EP
European Patent Office
Prior art keywords
watch case
pair
watch
case
side members
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
EP19181793.1A
Other languages
German (de)
French (fr)
Other versions
EP3754435A1 (en
Inventor
Daniel JEKER
Philipp Tschumi
François MAZIARZ
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP19181793.1A priority Critical patent/EP3754435B1/en
Priority to US16/866,876 priority patent/US11470925B2/en
Priority to JP2020087178A priority patent/JP7093807B2/en
Priority to KR1020200066876A priority patent/KR102465030B1/en
Priority to CN202010565472.7A priority patent/CN112114510B/en
Publication of EP3754435A1 publication Critical patent/EP3754435A1/en
Application granted granted Critical
Publication of EP3754435B1 publication Critical patent/EP3754435B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • 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
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet

Definitions

  • the invention relates to a watch case and more precisely to a wristwatch case.
  • the published patent document FROM 103 05 305 describes a wristwatch comprising a middle part and two removable side members arranged on either side of the middle part.
  • Each of the side members is delimited at its ends by horns adapted to receive the two bars intended for fixing the bracelet. Maintaining the side members on the caseband is provided by the two bars which rigidly connect the respective horns to the screw fixing means.
  • This wristwatch has the drawback of not allowing the lugs to be changed in an easy and non-binding manner to change the aesthetics of the watch case in that a tool is necessary to loosen the screws in order to free the side members and proceed. at the change of horns.
  • CH 204 917 A relates to a watch case with horns for wristwatches intended to be secured to the side of the wrist using a fastening device.
  • the object of the invention is to remedy at least one of the drawbacks of the above-mentioned state of the art. More particularly, the object of the invention is to simplify the production of a watch case.
  • the present invention relates to a watch case for a wristwatch comprising: a caseband comprising a side wall having two sides arranged on either side of a median plane extending in a longitudinal direction of the bracelet; two separate side members arranged on either side of the caseband, each spar extending beyond the space occupied by the middle part in the longitudinal direction of the bracelet and having a median portion of complementary shape to the corresponding side of the middle part, each spar being removably and slidingly attached to the middle part; a bezel secured to the middle part on an upper face of the middle part; a case back fixed to an underside of the caseband; remarkable in that each side member is blocked in translation in the direction of sliding on the middle part by the bezel.
  • a portion of a lower face of the bezel comes to rest on the upper edges of the two respective longitudinal members.
  • the middle part comprises a threaded flange in the upper part of the middle part and the bezel is screwed onto the flange to ensure the blocking in translation of the side members on the middle part.
  • each removable sliding fixing comprises at least one groove formed on the wall of the caseband, said groove extending perpendicularly relative to the bottom of said case.
  • the at least one groove of each removable sliding fixing comprises a pair of grooves.
  • the first pair and the second pair of grooves are arranged respectively on either side of the median plane.
  • the first pair and the second pair of grooves are arranged symmetrically on either side of the median plane.
  • the grooves of the first pair or of the second pair of grooves are arranged symmetrically on either side of a plane orthogonal to the median plane and to the longitudinal direction of the bracelet.
  • the annular wall is annular
  • a plane passing through the reference axis and through one of the grooves of the middle part forms an angle of between 10 and 45 ° with respect to the median plane.
  • each groove is closed by a stop surface.
  • the stop surface is arranged at the height of the bottom of the case in a direction perpendicular to the bottom of the watch case.
  • the stop surface is defined by a portion of an edge of the bottom.
  • each groove is open at the level of an upper part of the middle part.
  • each side member comprises a pair of ribs of complementary shape intended to be inserted into each corresponding groove formed in the middle part.
  • each spar has an elongated arcuate shape and the pair of ribs is formed on an internal wall of said spar, said wall being delimited on either side by the pair of ribs.
  • each spar comprises two grooves arranged on said wall and adjacent to the two respective ribs.
  • the middle part comprises a shoulder encircling the threaded collar.
  • another portion of the lower face of the bezel comes to rest on the shoulder.
  • each of the side members ends at its two ends with an end part forming fixing lugs, each lug being adapted to receive one end of a strap bar.
  • the middle part is made with a first material and the two side members with a second material, the first material being identical to or different from the second.
  • the middle part or each side member has a coating layer.
  • the middle part and the side members respectively have coating layers.
  • the composition of the coating layer of the middle part is different from or identical to the composition of each of the coating layers of the two side members.
  • one of the two side members comprises a notch to allow the passage of a stem of a winder.
  • the invention also relates to a wristwatch comprising the watch case.
  • each subject of the invention is also applicable to the other subjects of the invention.
  • each object of the invention can be combined with other objects.
  • the subjects of the invention can also be combined with the embodiments of the description, which in addition can be combined with one another.
  • the measures of the invention are advantageous in that they make it possible to simplify the steps of machining the middle part, the shape of which is less complex in the absence of lugs. But also, they allow different materials to be combined in order to optimize the resistance of the watch. In addition, they make it possible to transform the wristwatch into a pocket watch by replacing the lugs with elements suitable for attaching a chain, for example. Finally, the demarcation between the side members and the middle is very little marked.
  • the figure 1 shows a watch case 2 according to the invention in exploded view.
  • the watch case 2 for a wristwatch shown has a middle part 4, two side members 6A, 6B and a bezel 8.
  • the watch case 2 has a median plane (not shown) extending in a longitudinal direction of the strap (not shown). ).
  • the median plane is a plane of symmetry of the middle part 4 of (substantially) cylindrical shape having a so-called reference axis, this axis being included in the median plane.
  • the caseband 4 comprises a side wall 10 having two sides 12A, 12B arranged on either side of the median plane. In the figure 1 , the sides 12A, 12B are in the form of a cylinder arc.
  • the two side members 6A, 6B are designed to be fixed on either side of the middle part 4.
  • the side members 6A, 6B extend beyond the space occupied by the middle part 4 in the longitudinal direction of the bracelet when these the latter are mounted on caseband 4 (see figure 2 ).
  • Each spar 6A, 6B has a median portion of shape complementary to the corresponding side of the middle part 4.
  • Each spar 6A, 6B is fixed to the middle part 4 in a removable and sliding manner.
  • Each side member 6A, 6B is blocked in translation in the direction of sliding on the middle part 4 by the bezel 8.
  • the removable sliding fixing may include two pairs of grooves 14A, 14B formed on the wall 10 of the middle part 4.
  • the first pair and the second pair of grooves 14A, 14B can be arranged so symmetrical on either side of the median plane.
  • the grooves 14A, 14B of one of the two pairs can be arranged symmetrically on either side of a plane orthogonal to the median plane and to the longitudinal direction of the bracelet.
  • Each groove 14A, 14B can be arranged so that a plane passing through the reference axis and the groove 14A, 14B in question form an angle of between 10 and 45 ° with respect to the median plane.
  • Each groove 14A, 14B can be open at the level of an upper part (for example at the level of an upper face of the middle part 4) of the middle part 4.
  • the two side members 6A, 6B can each comprise a pair of ribs 16A, 16B, 16C, 16D intended to be inserted into each corresponding groove 14A, 14B formed in the middle part 4.
  • the two side members 6A, 6B can each have an elongated arched shape and / or the ribs 16A, 16B, 16C, 16D can be formed at the ends of the latter.
  • the bezel 8 is intended to be integral with the middle part 4. To this end, the bezel 8 can be screwed onto a flange 18 formed on the upper part of the middle part 4. In this configuration, the flange 18 has a thread intended for s '' engage with a corresponding thread formed on an internal face of the bezel 8.
  • the watch case 2 also comprises a back 20 fixed to a lower face of the caseband 4.
  • the stop surface associated with each of the grooves 14A, 14B can be defined by a corresponding portion on the edge of the back 20.
  • each groove 14A, 14B can extend perpendicularly to the bottom of the box 2.
  • Each groove 14A, 14B at the height of the bottom 20 of the box 2 can be closed.
  • the side members 6A, 6B are held by the bezel 8 so that a portion of the underside of the bezel 8 comes to rest on the upper edges of the two respective side members 6A, 6B.
  • the middle part 4 may include a shoulder 22 encircling the threaded collar 18. Provision is also made for another portion of the underside of the bezel 8 to be able to bear on the shoulder 22.
  • Each spar 6A, 6B can have at its two ends strap fixing horns 24A, 24B, 24C, 24D, each horn being adapted to receive one end of a strap fixing bar.
  • Each spar 6A, 6B may include two grooves 26A, 26B, 26C, 26D arranged adjacent to the two respective ribs 16A, 16B, 16C, 16D, on an internal side wall of each spar 6A, 6B, the internal side wall connecting the two ribs 16A, 16B, 16C, 16D.
  • the middle part 4 can be made with a first material and the two side members 6A, 6B with a second material, the first material preferably being different from the second.
  • the materials chosen for the middle part 4 and the side members 6A, 6B can be the same.
  • the first and / or the second material can be stainless steel (usually 316L steel), gold, platinum, titanium, brass, ceramic, plastic, carbon, wood, gold. silver, another metal, a metal alloy, or any combination of these.
  • the middle part 4 and the side members 6A, 6B can respectively have (at least) coating layers.
  • the material of the middle part 4 may be different from that of the material of the two side members 6A, 6B in order to optimize costs. manufacturing and / or optimizing the resistance of the watch case 2.
  • Each layer can be a metallic layer, a varnish or a pigmented layer, or any combination thereof.
  • one of the two side members 6A, 6B may include a notch 28 to allow the passage of a stem of a winder.
  • the figure 2 shows a schematic view of the watch case 2 mounted according to the invention.
  • the invention also relates to a wristwatch comprising a watch case 2 comprising the characteristics of the watch case 2 presented above.

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

Description

DOMAINE TECHNIQUETECHNICAL AREA

L'invention concerne une boîte de montre et plus précisément une boite de montre-bracelet.The invention relates to a watch case and more precisely to a wristwatch case.

ART ANTERIEURPRIOR ART

Le document de brevet publié DE 103 05 305 décrit une montre-bracelet comprenant une carrure et deux longerons amovibles disposés de part et d'autre de la carrure. Chacun des longerons est délimité à ses extrémités par des cornes adaptées pour recevoir les deux barrettes destinées à la fixation du bracelet. Le maintien des longerons sur la carrure est assuré par les deux barrettes qui relient de manière rigide les cornes respectives aux moyens de fixation à vis. Cette montre-bracelet présente l'inconvénient de ne pas permettre de changer cornes de manière aisée et non contraignante pour changer l'esthétique de la boite de montre en ce qu'un outil est nécessaire pour desserrer les vis afin de libérer les longerons et procéder au changement des cornes.The published patent document FROM 103 05 305 describes a wristwatch comprising a middle part and two removable side members arranged on either side of the middle part. Each of the side members is delimited at its ends by horns adapted to receive the two bars intended for fixing the bracelet. Maintaining the side members on the caseband is provided by the two bars which rigidly connect the respective horns to the screw fixing means. This wristwatch has the drawback of not allowing the lugs to be changed in an easy and non-binding manner to change the aesthetics of the watch case in that a tool is necessary to loosen the screws in order to free the side members and proceed. at the change of horns.

CH 204 917 A a pour objet une boîte de montre à cornes pour montres bracelets destinées à être assujetties sur le côté du poignet à l'aide d'un dispositif d'attache.CH 204 917 A relates to a watch case with horns for wristwatches intended to be secured to the side of the wrist using a fastening device.

EXPOSÉ DE L'INVENTIONDISCLOSURE OF THE INVENTION

L'invention a pour objectif de pallier au moins un des inconvénients de l'état de la technique susmentionné. Plus particulièrement, l'invention a pour objectif de simplifier la réalisation d'une boîte de montre. La présente invention concerne une boîte de montre pour montre-bracelet comprenant : une carrure comportant une paroi latérale présentant deux flancs disposés de part et d'autre d'un plan médian s'étendant dans un sens longitudinal du bracelet; deux longerons séparés et disposés de part et d'autre de la carrure, chaque longeron s'étendant au-delà de l'espace occupé par la carrure dans le sens longitudinal du bracelet et présentant une portion médiane de forme complémentaire au flanc correspondant de la carrure, chaque longeron étant fixé de manière amovible et coulissante à la carrure; une lunette solidarisée à la carrure sur une face supérieure de la carrure; un fond fixé sur une face inférieure de la carrure ; remarquable en ce que chaque longeron est bloqué en translation selon la direction de coulissement sur la carrure par la lunette.The object of the invention is to remedy at least one of the drawbacks of the above-mentioned state of the art. More particularly, the object of the invention is to simplify the production of a watch case. The present invention relates to a watch case for a wristwatch comprising: a caseband comprising a side wall having two sides arranged on either side of a median plane extending in a longitudinal direction of the bracelet; two separate side members arranged on either side of the caseband, each spar extending beyond the space occupied by the middle part in the longitudinal direction of the bracelet and having a median portion of complementary shape to the corresponding side of the middle part, each spar being removably and slidingly attached to the middle part; a bezel secured to the middle part on an upper face of the middle part; a case back fixed to an underside of the caseband; remarkable in that each side member is blocked in translation in the direction of sliding on the middle part by the bezel.

Selon un mode avantageux de l'invention, une portion d'une face inférieure de la lunette vient en appui sur des bords supérieurs des deux longerons respectifs.According to an advantageous embodiment of the invention, a portion of a lower face of the bezel comes to rest on the upper edges of the two respective longitudinal members.

Selon un mode avantageux de l'invention, la carrure comprend une collerette filetée dans la partie supérieure de la carrure et la lunette est vissée sur la collerette pour assurer le blocage en translation des longerons sur la carrure.According to an advantageous embodiment of the invention, the middle part comprises a threaded flange in the upper part of the middle part and the bezel is screwed onto the flange to ensure the blocking in translation of the side members on the middle part.

Selon un mode avantageux de l'invention, chaque fixation coulissante amovible comprend au moins une rainure formée sur la paroi de la carrure, ladite rainure s'étendant perpendiculairement par rapport au fond de ladite boîte.According to an advantageous embodiment of the invention, each removable sliding fixing comprises at least one groove formed on the wall of the caseband, said groove extending perpendicularly relative to the bottom of said case.

Selon un mode avantageux de l'invention, l'au moins une rainure de chaque fixation coulissante amovible comprend une paire de rainures.According to an advantageous embodiment of the invention, the at least one groove of each removable sliding fixing comprises a pair of grooves.

Selon un mode avantageux de l'invention, la première paire et la deuxième paire de rainures sont disposées respectivement de part et d'autre du plan médian.According to an advantageous embodiment of the invention, the first pair and the second pair of grooves are arranged respectively on either side of the median plane.

Selon un mode avantageux de l'invention, la première paire et la deuxième paire de rainures sont disposées symétriquement de part et d'autre du plan médian.According to an advantageous embodiment of the invention, the first pair and the second pair of grooves are arranged symmetrically on either side of the median plane.

Selon un mode avantageux de l'invention, les rainures de la première paire ou de la deuxième paire de rainures sont disposées symétriquement de part et d'autre d'un plan orthogonal au plan médian et au sens longitudinal du bracelet.According to an advantageous embodiment of the invention, the grooves of the first pair or of the second pair of grooves are arranged symmetrically on either side of a plane orthogonal to the median plane and to the longitudinal direction of the bracelet.

Selon un mode avantageux de l'invention, la paroi annulaire.According to an advantageous embodiment of the invention, the annular wall.

Selon un mode avantageux de l'invention, un plan passant par l'axe de référence et par une des rainures de la carrure forme angle compris entre 10 et 45° par rapport au plan médian.According to an advantageous embodiment of the invention, a plane passing through the reference axis and through one of the grooves of the middle part forms an angle of between 10 and 45 ° with respect to the median plane.

Selon un mode avantageux de l'invention, chaque rainure est fermée par une surface de butée.According to an advantageous embodiment of the invention, each groove is closed by a stop surface.

Selon un mode avantageux de l'invention, la surface de butée est disposée à hauteur du fond de la boîte dans une direction perpendiculaire au fond de la boîte de montre.According to an advantageous embodiment of the invention, the stop surface is arranged at the height of the bottom of the case in a direction perpendicular to the bottom of the watch case.

Selon un mode avantageux de l'invention, la surface de butée est définie par une portion d'un bord du fond.According to an advantageous embodiment of the invention, the stop surface is defined by a portion of an edge of the bottom.

Selon un mode avantageux de l'invention, chaque rainure est ouverte au niveau d'une partie supérieure de la carrure.According to an advantageous embodiment of the invention, each groove is open at the level of an upper part of the middle part.

Selon un mode avantageux de l'invention, chaque longeron comprend une paire de nervures de forme complémentaire destinée à être insérée dans chaque rainure correspondante formée dans la carrure.According to an advantageous embodiment of the invention, each side member comprises a pair of ribs of complementary shape intended to be inserted into each corresponding groove formed in the middle part.

Selon un mode avantageux de l'invention, chaque longeron présente une forme allongée en arc et la paire de nervures est formée sur une paroi interne dudit longeron, ladite paroi étant délimitée de part et d'autre par la paire de nervures.According to an advantageous embodiment of the invention, each spar has an elongated arcuate shape and the pair of ribs is formed on an internal wall of said spar, said wall being delimited on either side by the pair of ribs.

Selon un mode avantageux de l'invention, chaque longeron comprend deux gorges disposées sur ladite paroi et adjacentes aux deux nervures respectives.According to an advantageous embodiment of the invention, each spar comprises two grooves arranged on said wall and adjacent to the two respective ribs.

Selon un mode avantageux de l'invention, la carrure comprend un épaulement encerclant la collerette filetée.According to an advantageous embodiment of the invention, the middle part comprises a shoulder encircling the threaded collar.

Selon un mode avantageux de l'invention, une autre portion de la face inférieure de la lunette vient en appui sur l'épaulement.According to an advantageous embodiment of the invention, another portion of the lower face of the bezel comes to rest on the shoulder.

Selon un mode avantageux de l'invention, la portion médiane de chacun des longerons se termine à ses deux extrémités par une partie terminale formant des cornes de fixation, chaque corne étant adaptée pour recevoir une extrémité d'une barrette de bracelet.According to an advantageous embodiment of the invention, the median portion of each of the side members ends at its two ends with an end part forming fixing lugs, each lug being adapted to receive one end of a strap bar.

Selon un mode avantageux de l'invention, la carrure est fabriquée avec un premier matériau et les deux longerons avec un deuxième matériau, le premier matériau étant identique au ou différent du deuxième.According to an advantageous embodiment of the invention, the middle part is made with a first material and the two side members with a second material, the first material being identical to or different from the second.

Selon un mode avantageux de l'invention, la carrure ou chaque longeron présente une couche de revêtement.According to an advantageous embodiment of the invention, the middle part or each side member has a coating layer.

Selon un mode avantageux de l'invention, la carrure et les longerons présentent respectivement des couches de revêtement.According to an advantageous embodiment of the invention, the middle part and the side members respectively have coating layers.

Selon un mode avantageux de l'invention, la composition de la couche de revêtement de la carrure est différente de ou identique à la composition de chacune des couches de revêtement des deux longerons.According to an advantageous embodiment of the invention, the composition of the coating layer of the middle part is different from or identical to the composition of each of the coating layers of the two side members.

Selon un mode avantageux de l'invention, l'un des deux longerons comprend une encoche pour permettre le passage d'une tige d'un remontoir.According to an advantageous embodiment of the invention, one of the two side members comprises a notch to allow the passage of a stem of a winder.

L'invention concerne aussi une montre bracelet comprenant la boîte montre.The invention also relates to a wristwatch comprising the watch case.

De manière générale, les modes avantageux de chaque objet de l'invention sont également applicables aux autres objets de l'invention. Dans la mesure du possible, chaque objet de l'invention est combinable aux autres objets. Les objets de l'invention sont également combinables aux modes de réalisation de la description, qui en plus sont combinables entre eux.In general, the advantageous modes of each subject of the invention are also applicable to the other subjects of the invention. As far as possible, each object of the invention can be combined with other objects. The subjects of the invention can also be combined with the embodiments of the description, which in addition can be combined with one another.

Les mesures de l'invention sont intéressantes en ce qu'elles permettent de simplifier les étapes d'usinage de la carrure dont la forme est moins complexe en l'absence de cornes. Mais aussi, elles permettent de marier différentes matières afin d'optimiser la résistance de la montre. De surcroît, elles permettent de pouvoir transformer la montre-bracelet en montre-gousset en remplaçant les cornes par des éléments appropriés pour l'attache d'une chaînette, par exemple. Enfin, la démarcation entre les longerons et la carrure est très peu marquée.The measures of the invention are advantageous in that they make it possible to simplify the steps of machining the middle part, the shape of which is less complex in the absence of lugs. But also, they allow different materials to be combined in order to optimize the resistance of the watch. In addition, they make it possible to transform the wristwatch into a pocket watch by replacing the lugs with elements suitable for attaching a chain, for example. Finally, the demarcation between the side members and the middle is very little marked.

DESCRIPTION BRÈVE DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques et avantages de la présente invention seront mieux compris à l'aide de la description et des dessins.

  • La figure 1 représente une vue schématique éclatée d'une boîte de montre selon l'invention.
  • La figure 2 illustre une vue schématique d'une boîte de montre assemblée selon l'invention.
Other features and advantages of the present invention will be better understood from the description and the drawings.
  • The figure 1 represents an exploded schematic view of a watch case according to the invention.
  • The figure 2 illustrates a schematic view of an assembled watch case according to the invention.

DESCRIPTION DES MODES DE RÉALISATIONDESCRIPTION OF EMBODIMENTS

La figure 1 représente une boîte 2 de montre selon l'invention en vue éclatée. La boîte 2 de montre pour montre-bracelet illustrée comporte une carrure 4, deux longerons 6A, 6B et une lunette 8. La boîte 2 de montre présente un plan médian (pas illustré) s'étendant dans un sens longitudinal du bracelet (pas illustré). Le plan médian est un plan de symétrie de la carrure 4 de forme (sensiblement) cylindrique présentant un axe dit de référence, cet axe étant inclus dans le plan médian. La carrure 4 comporte une paroi 10 latérale présentant deux flancs 12A, 12B disposés de part et d'autre du plan médian. Dans la figure 1, les flancs 12A, 12B sont sous forme d'arc de cylindre.The figure 1 shows a watch case 2 according to the invention in exploded view. The watch case 2 for a wristwatch shown has a middle part 4, two side members 6A, 6B and a bezel 8. The watch case 2 has a median plane (not shown) extending in a longitudinal direction of the strap (not shown). ). The median plane is a plane of symmetry of the middle part 4 of (substantially) cylindrical shape having a so-called reference axis, this axis being included in the median plane. The caseband 4 comprises a side wall 10 having two sides 12A, 12B arranged on either side of the median plane. In the figure 1 , the sides 12A, 12B are in the form of a cylinder arc.

Les deux longerons 6A, 6B sont conçus pour être fixés de part et d'autre de la carrure 4. Les longerons 6A, 6B s'étendent au-delà de l'espace occupé par la carrure 4 dans le sens longitudinal du bracelet lorsque ces derniers sont montés sur la carrure 4 (voir figure 2). Chaque longeron 6A, 6B présente une portion médiane de forme complémentaire au flanc correspondant de la carrure 4. Chaque longeron 6A, 6B est fixé à la carrure 4 de manière amovible et coulissante. Chaque longeron 6A, 6B est bloqué en translation selon la direction de coulissement sur la carrure 4 par la lunette 8. La fixation coulissante amovible peut comprendre deux paires de rainures 14A, 14B formées sur la paroi 10 de la carrure 4. La première paire et la deuxième paire de rainures 14A, 14B peuvent être disposées de manière symétrique de part et d'autre du plan médian. En outre, les rainures 14A, 14B d'une des deux paires peuvent être disposées symétriquement de part et d'autre d'un plan orthogonal au plan médian et au sens longitudinal du bracelet. Chaque rainure 14A, 14B peut être disposée de manière à ce qu'un plan passant par l'axe de référence et la rainure 14A, 14B en question forment un angle compris entre 10 et 45° par rapport au plan médian. Chaque rainure 14A, 14B peut être ouverte au niveau d'une partie supérieure (par exemple au niveau d'une face supérieure de la carrure 4) de la carrure 4. Les deux longerons 6A, 6B peuvent chacun comprendre une paire de nervures 16A, 16B, 16C, 16D destinée à être insérée dans chaque rainure 14A, 14B correspondante formée dans la carrure 4. Les deux longerons 6A, 6B peuvent chacun présenter une forme allongée en arc et/ou les nervures 16A, 16B, 16C, 16D peuvent être formées aux extrémités de ces derniers.The two side members 6A, 6B are designed to be fixed on either side of the middle part 4. The side members 6A, 6B extend beyond the space occupied by the middle part 4 in the longitudinal direction of the bracelet when these the latter are mounted on caseband 4 (see figure 2 ). Each spar 6A, 6B has a median portion of shape complementary to the corresponding side of the middle part 4. Each spar 6A, 6B is fixed to the middle part 4 in a removable and sliding manner. Each side member 6A, 6B is blocked in translation in the direction of sliding on the middle part 4 by the bezel 8. The removable sliding fixing may include two pairs of grooves 14A, 14B formed on the wall 10 of the middle part 4. The first pair and the second pair of grooves 14A, 14B can be arranged so symmetrical on either side of the median plane. In addition, the grooves 14A, 14B of one of the two pairs can be arranged symmetrically on either side of a plane orthogonal to the median plane and to the longitudinal direction of the bracelet. Each groove 14A, 14B can be arranged so that a plane passing through the reference axis and the groove 14A, 14B in question form an angle of between 10 and 45 ° with respect to the median plane. Each groove 14A, 14B can be open at the level of an upper part (for example at the level of an upper face of the middle part 4) of the middle part 4. The two side members 6A, 6B can each comprise a pair of ribs 16A, 16B, 16C, 16D intended to be inserted into each corresponding groove 14A, 14B formed in the middle part 4. The two side members 6A, 6B can each have an elongated arched shape and / or the ribs 16A, 16B, 16C, 16D can be formed at the ends of the latter.

La lunette 8 est destinée à être solidaire à la carrure 4. A cette fin, la lunette 8 peut être vissée sur une collerette 18 formée sur la partie supérieure de la carrure 4. Dans cette configuration, la collerette 18 présente un filet destiné à s'engager avec un filet correspondant formé sur une face interne de la lunette 8.The bezel 8 is intended to be integral with the middle part 4. To this end, the bezel 8 can be screwed onto a flange 18 formed on the upper part of the middle part 4. In this configuration, the flange 18 has a thread intended for s '' engage with a corresponding thread formed on an internal face of the bezel 8.

La boîte 2 de montre comprend aussi un fond 20 fixé sur une face inférieure de la carrure 4. La surface de butée associée à chacune des rainures 14A, 14B peut être définie par une portion correspondante en bordure du fond 20. De façon avantageuse, chaque rainure 14A, 14B peut s'étendre perpendiculairement par rapport au fond de la boîte 2. Chaque rainure 14A, 14B à hauteur du fond 20 de la boîte 2 peut être fermée.The watch case 2 also comprises a back 20 fixed to a lower face of the caseband 4. The stop surface associated with each of the grooves 14A, 14B can be defined by a corresponding portion on the edge of the back 20. Advantageously, each groove 14A, 14B can extend perpendicularly to the bottom of the box 2. Each groove 14A, 14B at the height of the bottom 20 of the box 2 can be closed.

Les longerons 6A, 6B sont maintenus par la lunette 8 de manière à ce qu'une portion de la face inférieure de la lunette 8 vienne en appui sur des bords supérieurs des deux longerons 6A, 6B respectifs. La carrure 4 peut comprendre un épaulement 22 encerclant la collerette 18 filetée. Il est aussi prévu qu'une autre portion de la face inférieure de la lunette 8 puisse venir en appui sur l'épaulement 22.The side members 6A, 6B are held by the bezel 8 so that a portion of the underside of the bezel 8 comes to rest on the upper edges of the two respective side members 6A, 6B. The middle part 4 may include a shoulder 22 encircling the threaded collar 18. Provision is also made for another portion of the underside of the bezel 8 to be able to bear on the shoulder 22.

Chaque longeron 6A, 6B peut présenter à ses deux extrémités des cornes 24A, 24B, 24C, 24D de fixation de bracelet, chaque corne étant adaptée pour recevoir une extrémité d'une barrette de fixation de bracelet. Chaque longeron 6A, 6B peut comprendre deux gorges 26A, 26B, 26C, 26D disposées adjacentes aux deux nervures 16A, 16B, 16C, 16D respectives, sur une paroi latérale interne de chaque longeron 6A, 6B, la paroi latérale interne reliant les deux nervures 16A, 16B, 16C, 16D.Each spar 6A, 6B can have at its two ends strap fixing horns 24A, 24B, 24C, 24D, each horn being adapted to receive one end of a strap fixing bar. Each spar 6A, 6B may include two grooves 26A, 26B, 26C, 26D arranged adjacent to the two respective ribs 16A, 16B, 16C, 16D, on an internal side wall of each spar 6A, 6B, the internal side wall connecting the two ribs 16A, 16B, 16C, 16D.

En outre, la carrure 4 peut être fabriquée avec un premier matériau et les deux longerons 6A, 6B avec un deuxième matériau, le premier matériau étant de préférence différent du deuxième. Alternativement, pour certaines applications, les matériaux choisis pour la carrure 4 et les longerons 6A, 6B peuvent être les mêmes. Le premier et/ou le deuxième matériau peut être de l'acier inoxydable (généralement acier 316L), de l'or, du platine, du titane, du laiton, de la céramique, du pastique, du carbone, du bois, de l'argent, un autre métal, un alliage métallique, ou toute combinaison de ces derniers.In addition, the middle part 4 can be made with a first material and the two side members 6A, 6B with a second material, the first material preferably being different from the second. Alternatively, for certain applications, the materials chosen for the middle part 4 and the side members 6A, 6B can be the same. The first and / or the second material can be stainless steel (usually 316L steel), gold, platinum, titanium, brass, ceramic, plastic, carbon, wood, gold. silver, another metal, a metal alloy, or any combination of these.

De façon avantageuse, la carrure 4 et les longerons 6A, 6B peuvent présenter respectivement (au moins) des couches de revêtement. Lorsque la carrure 4 et les longerons 6A, 6B présentent respectivement des couches de revêtement dont la composition est identique, le matériau de la carrure 4 peut être différent de celui du matériau des deux longerons 6A, 6B et ce, afin d'optimiser les coûts de fabrication et/ou d'optimiser la résistance de la boîte 2 de montre. Chaque couche peut être une couche métallique, un vernis ou une couche pigmentée, ou toute combinaison de ces dernières.Advantageously, the middle part 4 and the side members 6A, 6B can respectively have (at least) coating layers. When the middle part 4 and the side members 6A, 6B respectively have coating layers whose composition is identical, the material of the middle part 4 may be different from that of the material of the two side members 6A, 6B in order to optimize costs. manufacturing and / or optimizing the resistance of the watch case 2. Each layer can be a metallic layer, a varnish or a pigmented layer, or any combination thereof.

En outre, l'un des deux longerons 6A, 6B peut comprendre une encoche 28 pour permettre le passage d'une tige d'un remontoir.In addition, one of the two side members 6A, 6B may include a notch 28 to allow the passage of a stem of a winder.

La figure 2 représente une vue schématique de la boîte 2 de montre montée selon l'invention.The figure 2 shows a schematic view of the watch case 2 mounted according to the invention.

L'invention concerne aussi une montre bracelet comprenant une boîte 2 de montre comprenant les caractéristiques de la boîte 2 de montre présentée ci-dessus.The invention also relates to a wristwatch comprising a watch case 2 comprising the characteristics of the watch case 2 presented above.

Alors qu'un mode de réalisation particulier vient d'être décrit en détail, l'homme du métier appréciera que diverses modifications et alternatives à celui-ci puissent être envisagées à la lumière de l'enseignement global apporté par la présente description. On pourra notamment prévoir de fixer la lunette par d"autres moyens que par vissage de la lunette elle-même sur la carrure, par exemple par encliquetage, clipsage ou encore par vissage à l'aide de vis ou analogue. Par conséquent, les agencements spécifiques décrits ci-dedans sont censés être donnés uniquement à titre d'illustration, sans intention de limiter la portée de l'invention.While a particular embodiment has just been described in detail, those skilled in the art will appreciate that various modifications and alternatives thereto may be considered in light of the overall teaching provided by the present description. Provision may in particular be made to fix the bezel by means other than by screwing the bezel itself onto the middle part, for example by snapping, clipping or even by screwing using screws or the like. Specifics described herein are intended to be given by way of illustration only, without the intention of limiting the scope of the invention.

Claims (25)

  1. Watch case (2) for wristwatches comprising:
    - a middle part (4) comprising a side wall (10) having two sides (12A, 12B) arranged on either side of a median plane extending in a longitudinal direction of the watch band;
    - two side members (6A, 6B) arranged on either side of the middle part (4), each side member (6A, 6B) extending beyond the space occupied by the middle part (4) in the longitudinal direction of the watch band and having a median portion of complementary shape to the corresponding side (12A, 12B) of the middle part (4), each side member (6A, 6B) being slidably and removably attached to the middle part (4);
    - a bezel (8) secured to the middle part (4) on an upper face of the middle part (4);
    - a back cover (20) attached to a lower face of the middle part (4);
    characterized in that each side member (6A, 6B) is blocked in translation in the direction of sliding on the middle part (4) by the bezel (8).
  2. Watch case (2) according to claim 1, characterized in that one portion of a lower face of the bezel (8) rests on upper edges of the two respective side members (6A, 6B).
  3. Watch case (2) according to claim 1 or 2, characterized in that the middle part (4) comprises a threaded collar (18) in the upper portion of the middle part (4) and in that the bezel is screwed onto the collar in order to block the side members (6A, 6B) in translation on the middle part (4).
  4. Watch case (2) according to any of the preceding claims, characterized in that each removable sliding attachment comprises at least one groove (14A, 14B) formed on the wall (10) of the middle part (4), said groove (14A, 14B) extending perpendicularly with respect to the back cover (20) of said case (2).
  5. Watch case (2) according to claim 4, characterized in that the at least one groove (14A, 14B) of each removable sliding attachment comprises a pair of grooves (14A, 14B).
  6. Watch case (2) according to claim 5, characterized in that the first pair and the second pair of grooves (14A, 14B) are respectively arranged on either side of the median plane.
  7. Watch case (2) according to claim 6, characterized in that the first pair and the second pair of grooves (14A, 14B) are arranged symmetrically on either side of the median plane.
  8. Watch case (2) according to claim 5, 6 or 7, characterized in that the grooves (14A, 14B) of the first pair or of the second pair of grooves are arranged symmetrically on either side of a plane orthogonal to the median plane and to the longitudinal direction of the watch band.
  9. Watch case (2) according to any of claims 4 to 8, characterized in that the annular wall (10) has a cylindrical shape having a reference axis.
  10. Watch case (2) according to any of claims 4 to 9, characterized in that a plane passing through the reference axis and through one of the grooves (14A, 14B) of the middle part (4) forms an angle of between 10 and 45° with respect to the median plane.
  11. Watch case (2) according to any of claims 4 to 10, characterized in that each groove (14A, 14B) is closed by a stop surface.
  12. Watch case (2) according to the preceding claim, characterized in that the stop surface is arranged on the back (20) of the case (2) in a direction perpendicular to the back (20) of the watch case (2).
  13. Watch case (2) according to the preceding claim, characterized in that the stop surface is defined by one portion of an edge of the back cover (20).
  14. Watch case (2) according to any of claims 4 to 13, characterized in that each groove (14A, 14B) is open on an upper portion of the middle part.
  15. Watch case (2) according to any of claims 4 to 14, characterized in that each side member (6A, 6B) comprises a pair of ribs (16A, 16B, 16C, 16D) of complementary shape intended to be inserted into each corresponding groove (14A, 14B) formed in the middle part (4).
  16. Watch case (2) according to the preceding claim, characterized in that each side member (6A, 6B) has an elongated arc shape and the pair of ribs (16A, 16B, 16C, 16D) is formed on an inner surface of said side member, said wall being delimited on either side by each rib of the pair of ribs (16A, 16B, 16C, 16D).
  17. Watch case (2) according to the preceding claim, characterized in that each side member (6A, 6B) comprises two slots (26A, 26B, 26C, 26D) arranged on said wall and adjacent to the two respective ribs (16A, 16B, 16C, 16D).
  18. Watch case (2) according to any of claims 5 to 17, when they depend on claim 3 at least, characterized in that the middle part (4) comprises a shoulder (22) encircling the threaded collar (18).
  19. Watch case (2) according to any of the preceding claims, characterized in that the median portion of each of the side members (6A, 6B) ends at both ends thereof in a terminal portion forming attachment horns (24A, 24B, 24C, 24D), each horn being adapted to receive one end of a watch band pin.
  20. Watch case (2) according to any of the preceding claims, characterized in that the middle part (4) is fabricated with a first material and the two side members (6A, 6B) with a second material, the first material being identical to or different from the second.
  21. Watch case (2) according to any of the preceding claims, characterized in that the middle part (4) or each side member (6A, 6B) has a coating layer.
  22. Watch case (2) according to any of claims 1 to 21, characterized in that the case middle (4) and the side members (6A, 6B), respectively, have coating layers.
  23. Watch case (2) according to the preceding claim, characterized in that the composition of the coating layer of the middle part (4) is different from or identical to the composition of each of the coating layers of the two side members (6A, 6B).
  24. Watch case (2) according to the preceding claim, characterized in that one of the two side members (6A, 6B) can comprise a notch (28) for the passage of a winding stem.
  25. Wristwatch case comprising a watch case (2), characterized in that the watch case (2) conforms to any of the preceding claims.
EP19181793.1A 2019-06-21 2019-06-21 Clockpiece with fitted lugs Active EP3754435B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19181793.1A EP3754435B1 (en) 2019-06-21 2019-06-21 Clockpiece with fitted lugs
US16/866,876 US11470925B2 (en) 2019-06-21 2020-05-05 Timepiece with attached horns
JP2020087178A JP7093807B2 (en) 2019-06-21 2020-05-19 Clock with a horn attached
KR1020200066876A KR102465030B1 (en) 2019-06-21 2020-06-03 Timepiece with attached horns
CN202010565472.7A CN112114510B (en) 2019-06-21 2020-06-19 Timepiece with attached case ear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19181793.1A EP3754435B1 (en) 2019-06-21 2019-06-21 Clockpiece with fitted lugs

Publications (2)

Publication Number Publication Date
EP3754435A1 EP3754435A1 (en) 2020-12-23
EP3754435B1 true EP3754435B1 (en) 2021-12-29

Family

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EP19181793.1A Active EP3754435B1 (en) 2019-06-21 2019-06-21 Clockpiece with fitted lugs

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US (1) US11470925B2 (en)
EP (1) EP3754435B1 (en)
JP (1) JP7093807B2 (en)
KR (1) KR102465030B1 (en)
CN (1) CN112114510B (en)

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Publication number Publication date
JP7093807B2 (en) 2022-06-30
KR20200146016A (en) 2020-12-31
JP2021001874A (en) 2021-01-07
EP3754435A1 (en) 2020-12-23
CN112114510B (en) 2022-11-08
US20200397100A1 (en) 2020-12-24
CN112114510A (en) 2020-12-22
KR102465030B1 (en) 2022-11-08
US11470925B2 (en) 2022-10-18

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