EP2952975B1 - Device for assembling a fitting circle in a watch middle - Google Patents

Device for assembling a fitting circle in a watch middle Download PDF

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Publication number
EP2952975B1
EP2952975B1 EP14170867.7A EP14170867A EP2952975B1 EP 2952975 B1 EP2952975 B1 EP 2952975B1 EP 14170867 A EP14170867 A EP 14170867A EP 2952975 B1 EP2952975 B1 EP 2952975B1
Authority
EP
European Patent Office
Prior art keywords
casing ring
opening
locking part
pin
assembly device
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
EP14170867.7A
Other languages
German (de)
French (fr)
Other versions
EP2952975A1 (en
Inventor
Sébastien Bolzt
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 EP14170867.7A priority Critical patent/EP2952975B1/en
Priority to US14/726,845 priority patent/US9921549B2/en
Priority to JP2015111103A priority patent/JP6155301B2/en
Priority to CN201510295850.3A priority patent/CN105278317B/en
Publication of EP2952975A1 publication Critical patent/EP2952975A1/en
Priority to HK16107148.8A priority patent/HK1219139A1/en
Application granted granted Critical
Publication of EP2952975B1 publication Critical patent/EP2952975B1/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
    • G04B37/0008—Cases for pocket watches and 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
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • 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
    • 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
    • G04B37/0033—Cases for pocket watches and wrist watches with cover or bottom which can slide or turn (without a spring action)
    • 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
    • G04B37/0041—Cases for pocket watches and wrist watches the cover or the bottom can slide or turn with a spring action
    • 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
    • G04B37/12—Cases for special purposes, e.g. watch combined with ring, watch combined with button
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator

Definitions

  • the present invention relates to a device for assembling a casing ring in a middle watch, and more particularly.
  • the casing ring is secured to the watch case by means of flanges and / or screws.
  • flanges and / or screws are a number of disadvantages. Indeed, the thickness of the flanges and screw heads can be inconvenient and cause extra thickness of the parts. In addition, the size of the screws requires specific tools and some experience during assembly.
  • the document EP 1,312,989 describes such a device for assembling a casing ring to a watch case. More specifically, this document describes a watch case having frustoconical housings machined in the inner wall of the watch case and a casing ring having at least two frustoconical chambers open on the rear and side faces of the circle.
  • the frustoconical chambers are able to receive locking pieces that can move in rotation from a free position in which they are entirely in these chambers to a locking position in which they are partially housed in the chambers and partially in the corresponding housings of the box.
  • the assembly device described above has several disadvantages. It should be mentioned first of all that the locking pieces are removable, which implies a careful assembly of the casing ring once the locking pieces are in place, the casing ring having to remain flat to prevent one or more blocking parts are dislodged. It will be mentioned that the blocking parts are small which implies a little easy handling of the latter during assembly of the watch. Finally, it will be observed that the case of the watch and the casing ring require complex machining because of the shape of the locking pieces.
  • the invention particularly aims to overcome the various disadvantages of these known techniques.
  • an object of the invention is to provide an assembly device that does not require complex manipulations to be performed by the operator during assembly of the watch.
  • the invention also aims, at least in a particular embodiment, to provide a device that is simple to implement and inexpensive.
  • a device for assembling a casing ring in a watch case comprising on its inner wall. at least one bearing surface, said casing ring comprising at least one housing opening on the one hand in the lateral face of said casing ring by a lateral opening, and on the other hand in the upper or lower face of the circle with a top or bottom opening, said device comprising at least one locking piece of complementary shape to said housing, pivotable about an axis of rotation vertical passing through said upper or lower opening from a first position, said retracted position, wherein said locking piece is housed at least partially in said housing, to a second position, said locking position, wherein said locking piece is protruding and bears against said bearing surface of the inner wall of said middle part so as to maintain said casing ring in said middle part.
  • said at least one locking piece is clipped into said at least one housing and pivots about said vertical axis of rotation.
  • the invention also relates to a watch case equipped with a device according to the invention, and comprising a movement surmounted by a dial and mounted in the casing ring itself mounted in the box, an integral crystal of a bezel, a middle part and a bottom, said case having a peripheral shoulder on its inner wall, said shoulder being intended to cooperate with said locking pieces.
  • the invention also relates to a timepiece equipped with an assembly device according to the invention.
  • the object of the present invention by its various functional and structural aspects described above, ensures a reliable and simple assembly of a casing ring to the middle of the watch.
  • the general principle of the invention is based on the implementation of a device 1 for assembling a casing ring 10 in a middle part of a watch, the middle part of a watch comprising at least one surface 31 on its inner wall, and the casing ring 10 comprising at least one housing 11 opening on the one hand in the lateral face 12 of said casing ring 10 by a lateral opening 110, and on the other hand in the upper face 13 or lower of the casing ring 10 through an upper opening 111 or lower.
  • the device comprises at least one locking piece 20 substantially of parallelepipedal shape and complementary to the housing 11, configured to pivot about a vertical axis of rotation V passing through the upper opening 111 or lower from a first position, said retracted position, wherein the locking piece 20 rests in the housing 11, to a second position, said locking position, in which the locking piece 20 is projecting and engages in the recess 31 of the inner wall of the middle part 30 of in order to maintain the casing ring 10 in the middle part 30.
  • the locking piece 20 has an upper face and a lower face parallel to a plane P orthogonal to the vertical axis V, the upper face facing the upper opening 111 of the casing ring 10, a rear face 22 and a front faces perpendicular to the upper and lower faces, the locking piece 20 being inserted into the housing 11 by the rear face 22, and two side faces perpendicular to the upper and lower faces and the front and rear faces 22.
  • the casing ring 10 has a single locking piece 20, and implicitly a single housing 11, and a lug serving as a fixed locking piece and cooperating with the middle part 30 of the watch case so as to fix on one side the casing ring 10 to the middle part 30.
  • the casing ring is then permanently fixed to the middle part by passing the locking piece 20 in locked position.
  • the locking piece 20 is intended to be clipped laterally into a housing 11 of the casing ring 10, through the lateral opening 110.
  • the bearing surface (s) 31 formed on the inner wall of the watch middle part 30 may be, for example, in the form of a rectangular or oblong housing, so that the shape of the recesses 31 corresponds to the shape of the portion of the locking piece 20 housed in the recess 31 corresponding.
  • bearing surface 31 formed on the inner wall of the middle part 30 is in the form of a tongue extending over all or part of the inner surface of the middle case 30.
  • the watch middle part 30 may comprise a peripheral or local shoulder intended to serve as a bearing surface for the locking pieces 20.
  • the locking piece 20 is of substantially rectangular shape, the rear face 22 having rounded edges so as to facilitate its rotation within the housing 11 of the casing ring 10.
  • the locking piece 20 comprises a groove 24 opening on the front face and on each of the lateral faces of the locking piece 20.
  • the groove 24 extends in a plane P orthogonal to the axis V, on the width of the piece 20 and has a U-shaped profile.
  • the groove 24 of the locking piece 20 is configured to cooperate with at least one rib 310 acting as a bearing surface, the rib being formed on the inner wall of the middle part 30 and having an upper face 311 and a lower face 312 extending perpendicularly to the inner wall of the middle part 30.
  • the upper wall 241 and the lower wall 242 of the groove 24 respectively bear on the upper faces 311 and lower 312 of the rib 310 of the middle part 30.
  • Such an arrangement makes it possible to block and easily position the circle of 10 correctly inside the middle part 30.
  • the middle part may also have, for example, three ribs 310 angularly distributed on the inner wall of the middle part 30, or alternatively a peripheral rib 310.
  • a pin 21 of cylindrical shape is disposed near the rear face 22 and extends vertically from one of its large faces.
  • the pin is clipped into the housing 11 at a clipping opening 113 of complementary shape to that of the pin 21.
  • the pin 21 also has a groove 23 on its upper face so that it can insert a tool such as a screwdriver to be able to rotate the locking piece 20.
  • This groove 23 could be provided on the large face opposite to that carrying the pin 21 so that the groove 23 is accessible when the casing ring 10 is mounted in the middle size 30 from the bottom of the box.
  • the locking piece 20 and the pin 21 form the same element that can be made of a plastic material, or even a metal material. It will be understood here that other materials could have been envisaged by those skilled in the art within the context of the present invention.
  • the casing ring 10 comprises a housing 11 milled for example in the casing ring 10, the housing 11 having a rectangular lateral opening 110 at the lateral face 12 of the circle, and an upper opening 111 of circular shape at the upper face 13 of the circle.
  • the casing ring 10 comprises at least two housings 11 and two locking pieces 20 corresponding, each of the locking pieces 20 cooperating with a respective recess 31 previously machined in the inner wall of the middle part 30.
  • a lower opening may be provided in place of the upper opening 111.
  • a bridge 114 is formed at the upper or lower face, so as to maintain the locking piece 20 vertically in the housing 11.
  • the locking piece 20 is held vertically in the housing 11 without the pin 21 can be dislodged from the clipping opening 113.
  • An indentation 101 is also formed in the casing ring 10, so as to introduce the crown in the movement 16 during assembly of the watch.
  • the casing ring 10 also comprises at least one positioning lug 115, at its base, intended to cooperate with the middle part 30 so as to correctly position the casing ring 10 in the caseband 30.
  • the positioning tab 115 extends on the periphery of the casing ring 10.
  • the upper opening 111 of the housing 11 is slightly off-center towards one of the edges of the housing 11.
  • the casing ring 10 comprises several housings 11 and locking pieces 20, for example three, and the middle part 30 a number of bearing surfaces 31 corresponding to the number of blocking piece 20 so as to firmly hold the casing ring 10.
  • the housings 11 and the locking pieces 20 are distributed angularly around the circle 10 to ensure the correct axial and radial positioning of the casing ring 10 relative to the middle part 30.
  • the casing ring 10 may be made of plastic, for example by injection, so as to reduce manufacturing costs.
  • the housing 11 has a first space 112 for receiving the locking piece 20, the first space 112 having dimensions slightly greater than those of the body of the locking piece 20 so that the locking piece 20 can pivot without friction in the housing 11.
  • the housing 11 comprises a second space, said clipping aperture 113, for receiving the pin 21 of the locking piece.
  • the clipping aperture 113 has an inlet forming a bottleneck slightly smaller in size than the diameter of the peg 21 so as to force the peg 21 into a receiving zone adjoining the entrance, the landing zone. receiving being circular in shape and of diameter slightly greater than that of the pin 21 so as to maintain the locking piece 20 in the housing 11.
  • the clipping aperture 113 and more precisely the receiving area of the clipping aperture 113 is arranged coaxially with the circular aperture 111 so that the groove 23 of the pin 21 is accessible via the circular opening 111, the circular opening 111 having a diameter slightly smaller than the diameter of the clipping opening 113.
  • the locking piece 20 can pivot from a first position, called the retracted position, in which the locking piece 20 rests in the housing 11, to a second position, called the locking position, in which the locking piece 20 is projecting and cooperates with a bearing surface 31 of the inner wall of the middle part 30 so as to maintain the casing ring 10 in the middle part 30.
  • the length of the housing 11 is slightly greater than the length of the locking piece 20, and the length of the locking piece 20 is greater than the depth of the housing 11 so that a portion of the locking piece 20 is protruding and can cooperate with a bearing surface of the middle watch.
  • the casing ring 10 is equipped with locking pieces 20 previously clipped, these locking pieces 20 for positioning the circle 10 relative to the box 30 by lodging in a recess 31 of the middle part 30.
  • the figure 5 illustrates a watch case comprising a caseband 30, a bottom 14 removably assembled to the middle part 30, the casing ring 10 of the invention being able to be inserted into the middle part 30.
  • the casing ring 10 is used to hold the case movement 16 of the watch, and is held inside the middle part 30 by means of the locking pieces 20.
  • the movement 16 is slid from the top, in the illustrated example, into the casing ring 10 until it comes into contact with a shoulder 116 of the inner surface of the casing ring 10.
  • the assembly movement 16 - casing circle 10 is slid into the middle part 30 until it comes into abutment with the dial 15, or the bottom 14 according to the mounting direction.
  • the locking pieces 20 present on the casing ring 10 make it possible to secure the casing ring 10 to the middle part 30.
  • the watch comprises a ring 32 which is mounted on the movement 16 passing successively through the hole of the middle part 30, the notch 101 of the casing ring 10 and the hole of the movement 16 to be there. secured.
  • the watch case also includes a flange 18 is mounted between the dial 15 and the ice 19 and bearing on the middle part 30 of partially to the dial 15, and a seal 17 fixing the ice 19 on the middle part 30, and which thus closes the upper part of the watch case.
  • the lower part of the watch case is closed by fixing the bottom 14 so as to press the movement assembly 16 - casing ring 10 against the middle part 30.
  • the assembly of the casing ring 10 on the watch case 30 is as follows.
  • the operator clips the locking pieces 20 into each of the housings 11 of the casing ring by inserting the peg 21 into force in each of the clipping openings 113 so that the groove 23 has on the peg 21 is visible through the circular opening 111.
  • the operator positions the locking pieces 20 in the retracted position manually or by means of a screwdriver.
  • the movement 16 of the shows can be arranged in the casing circle 10 before or after joining the casing ring 10 to the middle part 30 according to the assembly order chosen.
  • the casing ring 10 may have on its upper face 13 indications, such as "open” and “close” accompanied by an arrow indicating the direction of rotation for example, to the operator to indicate in which direction to rotate the locking piece 20 to lock or unlock the casing ring 10 to the middle part 30.
  • the invention also relates to a timepiece equipped with a device 1 assembly as described above, the timepiece can be a mechanical watch as well as an electronic watch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

Domaine de l'inventionField of the invention

La présente invention a pour objet un dispositif d'assemblage d'un cercle d'encageage dans une carrure de montre, et plus particulièrement.The present invention relates to a device for assembling a casing ring in a middle watch, and more particularly.

Arrière-plan de l'inventionBackground of the invention

Habituellement, le cercle d'encageage est assujetti à la boîte de montre au moyen de brides et/ou de vis. Cependant, de tels modes d'assemblage présentent un certain nombre inconvénients. En effet, l'épaisseur des brides et des têtes de vis peut s'avérer gênante et provoquer une surépaisseur des pièces. De plus, la taille des vis nécessite un outillage spécifique ainsi qu'une certaine expérience lors de l'assemblage.Usually, the casing ring is secured to the watch case by means of flanges and / or screws. However, such methods of assembly have a number of disadvantages. Indeed, the thickness of the flanges and screw heads can be inconvenient and cause extra thickness of the parts. In addition, the size of the screws requires specific tools and some experience during assembly.

Ainsi, il a déjà été proposé d'assembler un cercle d'encageage dans une boîte de montre sans qu'il soit nécessaire d'utiliser des moyens supplémentaires tels que des vis ou des brides.Thus, it has already been proposed to assemble a casing ring in a watch case without the need to use additional means such as screws or flanges.

Le document EP 1 312 989 décrit un tel dispositif d'assemblage d'un cercle d'encageage à une boite de montre. Plus précisément, ce document décrit une boîte de montre comportant des logements tronconiques usinés dans la paroi interne de la boîte de montre ainsi qu'un cercle d'encageage comportant au moins deux chambres tronconiques ouvertes sur les faces arrière et latérale du cercle. Les chambres tronconiques sont aptes à recevoir des pièces de blocage pouvant se déplacer en rotation d'une position libre dans laquelle elles sont entièrement dans ces chambres jusque dans une position de blocage dans laquelle elles sont partiellement logées dans les chambres et partiellement dans les logements correspondants de la boîte.The document EP 1,312,989 describes such a device for assembling a casing ring to a watch case. More specifically, this document describes a watch case having frustoconical housings machined in the inner wall of the watch case and a casing ring having at least two frustoconical chambers open on the rear and side faces of the circle. The frustoconical chambers are able to receive locking pieces that can move in rotation from a free position in which they are entirely in these chambers to a locking position in which they are partially housed in the chambers and partially in the corresponding housings of the box.

Le dispositif d'assemblage décrit ci-dessus présente plusieurs inconvénients. On mentionnera tout d'abord que les pièces de blocage sont amovibles, ce qui implique un montage minutieux du cercle d'encageage une fois les pièces de blocage en place, le cercle d'encageage devant rester à plat pour éviter qu'une ou plusieurs pièces de blocage se délogent. On mentionnera ensuite que les pièces de blocage sont de petite taille ce qui implique une manipulation peu aisée de ces dernières lors du montage de la montre. Enfin, on observera que la boite de la montre ainsi que le cercle d'encageage requièrent des usinages complexes du fait de la forme des pièces de blocage.The assembly device described above has several disadvantages. It should be mentioned first of all that the locking pieces are removable, which implies a careful assembly of the casing ring once the locking pieces are in place, the casing ring having to remain flat to prevent one or more blocking parts are dislodged. It will be mentioned that the blocking parts are small which implies a little easy handling of the latter during assembly of the watch. Finally, it will be observed that the case of the watch and the casing ring require complex machining because of the shape of the locking pieces.

Résumé de l'inventionSummary of the invention

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

Plus précisément, un objectif de l'invention est de fournir un dispositif d'assemblage qui ne nécessite pas de manipulations complexes à réaliser par l'opérateur lors du montage de la montre.More specifically, an object of the invention is to provide an assembly device that does not require complex manipulations to be performed by the operator during assembly of the watch.

L'invention a également pour objectif, au moins dans un mode de réalisation particulier, de fournir un dispositif qui soit simple à mettre en oeuvre et peu coûteux.The invention also aims, at least in a particular embodiment, to provide a device that is simple to implement and inexpensive.

Ces objectifs, ainsi que d'autres qui apparaîtront plus clairement par la suite, sont atteints selon l'invention à l'aide d'un dispositif d'assemblage d'un cercle d'encageage dans une carrure de montre comprenant sur sa paroi interne au moins une surface d'appui, ledit cercle d'encageage comprenant au moins un logement débouchant d'une part dans la face latérale dudit cercle d'encageage par une ouverture latérale, et d'autre part dans la face supérieure ou inférieure du cercle d'encageage par une ouverture supérieure ou inférieure,
ledit dispositif comprenant au moins une pièce de blocage, de forme complémentaire audit logement, pouvant pivoter autour d'un axe de rotation vertical passant par ladite ouverture supérieure ou inférieure depuis une première position, dite position escamotée, dans laquelle ladite pièce de blocage est logée au moins partiellement dans ledit logement, vers une deuxième position, dite position de verrouillage, dans laquelle ladite pièce de blocage est saillante et s'appuie contre ladite surface d'appui de la paroi interne de ladite carrure de manière à maintenir ledit cercle d'encageage dans ladite carrure.These objectives, as well as others which will appear more clearly later, are achieved according to the invention by means of a device for assembling a casing ring in a watch case comprising on its inner wall. at least one bearing surface, said casing ring comprising at least one housing opening on the one hand in the lateral face of said casing ring by a lateral opening, and on the other hand in the upper or lower face of the circle with a top or bottom opening,
said device comprising at least one locking piece of complementary shape to said housing, pivotable about an axis of rotation vertical passing through said upper or lower opening from a first position, said retracted position, wherein said locking piece is housed at least partially in said housing, to a second position, said locking position, wherein said locking piece is protruding and bears against said bearing surface of the inner wall of said middle part so as to maintain said casing ring in said middle part.

Selon l'invention, ladite au moins une pièce de blocage est clipsée dans ledit au moins un logement et pivote autour dudit axe de rotation vertical.According to the invention, said at least one locking piece is clipped into said at least one housing and pivots about said vertical axis of rotation.

Selon des caractéristiques optionnelles de l'invention, prises seules ou en combinaison :

  • ladite pièce de blocage comprend un pion solidaire de la pièce de blocage ;
  • ledit logement comprend une ouverture de clipsage apte à coopérer avec ledit pion de ladite pièce de blocage de manière à clipser latéralement ladite pièce de blocage au travers de l'ouverture latérale ;
  • ladite ouverture de clipsage comprend successivement une entrée présentant un goulot d'étranglement formant une retenue, et une zone de réception configurée pour recevoir ledit pion dans laquelle ledit pion est retenu et peut pivoter ;
  • ledit pion de ladite pièce de blocage présente une rainure apte à coopérer avec un outil de vissage ;
  • ladite ouverture de clipsage, ledit pion et ladite ouverture supérieure ou inférieure sont agencés coaxialement selon ledit axe de rotation vertical de façon à ce que la rainure dudit pion soit accessible au travers de ladite ouverture supérieure ou inférieure ;
  • ladite pièce de blocage présente une face supérieure et une face inférieure parallèles à un plan orthogonal à l'axe vertical, une face arrière et une face avant perpendiculaires aux faces supérieure et inférieure, et deux faces latérales perpendiculaires aux faces supérieure et inférieure ainsi qu'aux faces avant et arrière, ladite pièce de blocage comprenant une gorge débouchant sur ses faces avant et latérales, la gorge étant configurée pour coopérer avec ladite surface d'appui de ladite carrure ;
  • ladite gorge s'étend le long de la face avant entre les faces supérieure et inférieure, et présente un profil en forme de U ; ledit cercle d'encageage comprend plusieurs logements et pièces de blocage répartis angulairement autour dudit cercle d'encageage de manière à assurer le positionnement axial et radial par rapport à la carrure ;
  • ledit cercle d'encageage et lesdites pièces de blocage sont réalisés dans une matière plastique.
According to optional features of the invention, taken alone or in combination:
  • said locking member comprises a pin integral with the locking piece;
  • said housing comprises a clipping opening adapted to cooperate with said pin of said locking piece so as to laterally clip said locking piece through the lateral opening;
  • said clipping aperture comprises successively an inlet having a bottleneck forming a retainer, and a receiving area configured to receive said peg in which said peg is retained and is pivotable;
  • said pin of said locking piece has a groove adapted to cooperate with a screwing tool;
  • said clipping aperture, said pin and said upper or lower aperture are arranged coaxially along said vertical axis of rotation so that the groove of said pin is accessible through said upper or lower aperture;
  • said locking piece has an upper face and a lower face parallel to a plane orthogonal to the vertical axis, a rear face and a front face perpendicular to the upper and lower faces, and two lateral faces perpendicular to the upper and lower faces as well as the front and rear faces, said locking piece comprising a groove opening on its front and side faces, the groove being configured to cooperate with said bearing surface of said middle part;
  • said groove extends along the front face between the upper and lower faces, and has a U-shaped profile; said casing ring comprises a plurality of housings and locking pieces angularly distributed around said casing ring so as to ensure the axial and radial positioning relative to the middle part;
  • said casing ring and said locking pieces are made of a plastics material.

L'invention concerne également une boite de montre équipée d'un dispositif conforme à l'invention, et comprenant un mouvement surmonté d'un cadran et monté dans le cercle d'encageage lui-même monté dans la boite, une glace solidaire d'une lunette, une carrure et un fond, ladite carrure présentant un épaulement périphérique sur sa paroi interne, ledit épaulement étant destiné à coopérer avec lesdites pièces de blocage.The invention also relates to a watch case equipped with a device according to the invention, and comprising a movement surmounted by a dial and mounted in the casing ring itself mounted in the box, an integral crystal of a bezel, a middle part and a bottom, said case having a peripheral shoulder on its inner wall, said shoulder being intended to cooperate with said locking pieces.

L'invention concerne aussi une pièce d'horlogerie équipée d'un dispositif d'assemblage selon l'invention.The invention also relates to a timepiece equipped with an assembly device according to the invention.

Ainsi, l'objet de la présente invention, par ses différents aspects fonctionnels et structurels décrits ci-dessus, permet d'assurer un assemblage fiable et simple d'un cercle d'encageage à la carrure de la montre.Thus, the object of the present invention, by its various functional and structural aspects described above, ensures a reliable and simple assembly of a casing ring to the middle of the watch.

Description sommaire des dessinsBrief description of the drawings

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

  • la figure 1 est une vue en perspective du dispositif d'assemblage conforme à l'invention ;
  • la figure 2 est une vue en coupe selon la ligne II-II de la figure 1 du dispositif d'assemblage conforme à l'invention en position de verrouillage ;
  • les figures 3a et 3b sont respectivement des vues en perspective d'un dispositif d'assemblage conforme à l'invention dans la position escamotée, et dans la position de verrouillage ;
  • les figures 4a et 4b sont respectivement une vue en perspective d'une pièce de blocage d'un dispositif d'assemblage conforme à l'invention, et une vue en coupe selon la ligne IV-IV de la figure 1 d'un logement d'un dispositif d'assemblage conforme à l'invention ;
  • la figure 5 est une vue éclatée d'une boite de montre équipée d'un dispositif d'assemblage conforme à l'invention ;
  • la figure 6 est une vue en coupe verticale selon l'axe V d'un logement d'un dispositif d'assemblage conforme à l'invention.
Other features and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given as a simple illustrative and nonlimiting example, and the appended figures, among which: :
  • the figure 1 is a perspective view of the assembly device according to the invention;
  • the figure 2 is a sectional view along line II-II of the figure 1 of the assembly device according to the invention in the locking position;
  • the Figures 3a and 3b are respectively perspective views of an assembly device according to the invention in the retracted position, and in the locking position;
  • the Figures 4a and 4b are respectively a perspective view of a locking piece of an assembly device according to the invention, and a sectional view along the line IV-IV of the figure 1 a housing of an assembly device according to the invention;
  • the figure 5 is an exploded view of a watch case equipped with an assembly device according to the invention;
  • the figure 6 is a vertical sectional view along the axis V of a housing of an assembly device according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

Un dispositif 1 d'assemblage selon un exemple de réalisation va maintenant être décrit dans ce qui suit faisant référence conjointement aux figures 1, 2, 3a, 3b, 4a, 4b et 5.An assembly device 1 according to an exemplary embodiment will now be described in the following referring jointly to Figures 1, 2 , 3a, 3b , 4a, 4b and 5 .

Comme précédemment évoqué, le principe général de l'invention repose sur la mise en oeuvre d'un dispositif 1 d'assemblage d'un cercle d'encageage 10 dans une carrure 30 de montre, la carrure 30 de montre comprenant au moins une surface d'appui 31 sur sa paroi interne, et le cercle d'encageage 10 comprenant au moins un logement 11 débouchant d'une part dans la face latérale 12 dudit cercle d'encageage 10 par une ouverture latérale 110, et d'autre part dans la face supérieure 13 ou inférieure du cercle d'encageage 10 par une ouverture supérieure 111 ou inférieure.As previously mentioned, the general principle of the invention is based on the implementation of a device 1 for assembling a casing ring 10 in a middle part of a watch, the middle part of a watch comprising at least one surface 31 on its inner wall, and the casing ring 10 comprising at least one housing 11 opening on the one hand in the lateral face 12 of said casing ring 10 by a lateral opening 110, and on the other hand in the upper face 13 or lower of the casing ring 10 through an upper opening 111 or lower.

Le dispositif comprend au moins une pièce de blocage 20 sensiblement de forme parallélépipédique et complémentaire au logement 11, configurée pour pivoter autour d'un axe de rotation vertical V passant par l'ouverture supérieure 111 ou inférieure depuis une première position, dite position escamotée, dans laquelle la pièce de blocage 20 repose dans le logement 11, vers une deuxième position, dite position de verrouillage, dans laquelle la pièce de blocage 20 est saillante et s'engage dans l'évidement 31 de la paroi interne de la carrure 30 de manière à maintenir le cercle d'encageage 10 dans la carrure 30.The device comprises at least one locking piece 20 substantially of parallelepipedal shape and complementary to the housing 11, configured to pivot about a vertical axis of rotation V passing through the upper opening 111 or lower from a first position, said retracted position, wherein the locking piece 20 rests in the housing 11, to a second position, said locking position, in which the locking piece 20 is projecting and engages in the recess 31 of the inner wall of the middle part 30 of in order to maintain the casing ring 10 in the middle part 30.

La pièce de blocage 20 présente une face supérieure et une face inférieure parallèles à un plan P orthogonal à l'axe vertical V, la face supérieure faisant face à l'ouverture supérieure 111 du cercle d'encageage 10, une face arrière 22 et une face avant perpendiculaires aux faces supérieure et inférieure, la pièce de blocage 20 étant introduite dans le logement 11 par la face arrière 22, et deux faces latérales perpendiculaires aux faces supérieure et inférieure ainsi qu'aux faces avant et arrière 22.Selon une alternative de l'invention, non illustrée sur les figures, le cercle d'encageage 10 présente une seule pièce de blocage 20, et implicitement un seul logement 11, ainsi qu'un ergot faisant office de pièce de blocage fixe et coopérant avec la carrure 30 de la boite de montre de façon à fixer d'un côté le cercle d'encageage 10 à la carrure 30. Le cercle d'encageage est ensuite définitivement fixé à la carrure en faisant passer la pièce de blocage 20 en position verrouillée.The locking piece 20 has an upper face and a lower face parallel to a plane P orthogonal to the vertical axis V, the upper face facing the upper opening 111 of the casing ring 10, a rear face 22 and a front faces perpendicular to the upper and lower faces, the locking piece 20 being inserted into the housing 11 by the rear face 22, and two side faces perpendicular to the upper and lower faces and the front and rear faces 22.According to an alternative of the invention, not illustrated in the figures, the casing ring 10 has a single locking piece 20, and implicitly a single housing 11, and a lug serving as a fixed locking piece and cooperating with the middle part 30 of the watch case so as to fix on one side the casing ring 10 to the middle part 30. The casing ring is then permanently fixed to the middle part by passing the locking piece 20 in locked position.

Selon l'invention, la pièce de blocage 20 est destinée à être clipsée latéralement dans un logement 11 du cercle d'encageage 10, au travers de l'ouverture latérale 110.According to the invention, the locking piece 20 is intended to be clipped laterally into a housing 11 of the casing ring 10, through the lateral opening 110.

La ou les surfaces d'appui 31 formées sur la paroi interne de la carrure 30 de montre peuvent se présenter, par exemple, sous la forme d'un logement de forme rectangulaire, ou oblongue, de manière à ce que la forme des évidements 31 corresponde à la forme de la portion de la pièce de blocage 20 venant se loger dans l'évidement 31 correspondant.The bearing surface (s) 31 formed on the inner wall of the watch middle part 30 may be, for example, in the form of a rectangular or oblong housing, so that the shape of the recesses 31 corresponds to the shape of the portion of the locking piece 20 housed in the recess 31 corresponding.

On peut également imaginer que la surface d'appui 31 formée sur la paroi interne de la carrure 30 se présente sous la forme d'une languette s'étendant sur toute ou partie de la surface interne de la carrure de montre 30.It can also be imagined that the bearing surface 31 formed on the inner wall of the middle part 30 is in the form of a tongue extending over all or part of the inner surface of the middle case 30.

Encore selon un autre mode de réalisation, non représenté, la carrure 30 de montre peut comprendre un épaulement périphérique, ou local, destiné à servir de surface d'appui pour les pièces de blocage 20.Still according to another embodiment, not shown, the watch middle part 30 may comprise a peripheral or local shoulder intended to serve as a bearing surface for the locking pieces 20.

Comme on peut l'observer sur la figure 4a, la pièce de blocage 20 est de forme sensiblement rectangulaire, la face arrière 22 présentant des arrêtes arrondies de manière à faciliter sa rotation au sein du logement 11 du cercle d'encageage 10.As can be seen on the figure 4a , the locking piece 20 is of substantially rectangular shape, the rear face 22 having rounded edges so as to facilitate its rotation within the housing 11 of the casing ring 10.

Selon une variante de l'invention, illustrée à la figure 6, la pièce de blocage 20 comprend une gorge 24 débouchant sur la face avant et sur chacune des faces latérales de la pièce de blocage 20. Selon cette variante, la gorge 24 s'étend selon un plan P orthogonal à l'axe V, sur la largeur de la pièce 20 et présente un profil en forme de U.According to a variant of the invention, illustrated in figure 6 , the locking piece 20 comprises a groove 24 opening on the front face and on each of the lateral faces of the locking piece 20. According to this variant, the groove 24 extends in a plane P orthogonal to the axis V, on the width of the piece 20 and has a U-shaped profile.

La gorge 24 de la pièce de blocage 20 est configurée pour coopérer avec au moins une nervure 310 faisant office de surface d'appui, la nervure étant formée sur la paroi interne de la carrure 30 et présentant une face supérieure 311 et une face inférieure 312 s'étendant perpendiculairement par rapport à la paroi interne de la carrure 30.The groove 24 of the locking piece 20 is configured to cooperate with at least one rib 310 acting as a bearing surface, the rib being formed on the inner wall of the middle part 30 and having an upper face 311 and a lower face 312 extending perpendicularly to the inner wall of the middle part 30.

En position de verrouillage, la paroi supérieure 241 et la paroi inférieure 242 de la gorge 24 prennent respectivement appui sur les faces supérieure 311 et inférieure 312 de la nervure 310 de la carrure 30. Une telle disposition permet de bloquer et positionner aisément le cercle d'encageage 10 correctement au sein de la carrure 30.In the locking position, the upper wall 241 and the lower wall 242 of the groove 24 respectively bear on the upper faces 311 and lower 312 of the rib 310 of the middle part 30. Such an arrangement makes it possible to block and easily position the circle of 10 correctly inside the middle part 30.

La carrure peut également présenter, par exemple, trois nervures 310 réparties angulairement sur la paroi interne de la carrure 30, ou alternativement une nervure 310 périphérique.The middle part may also have, for example, three ribs 310 angularly distributed on the inner wall of the middle part 30, or alternatively a peripheral rib 310.

Avantageusement, un pion 21 de forme cylindrique est disposé à proximité de la face arrière 22 et s'étend verticalement à partir d'une de ses grandes faces. Le pion vient se clipser au sein du logement 11 au niveau d'une ouverture de clipsage 113 de forme complémentaire à celle du pion 21. Le pion 21 présente également une rainure 23 sur sa face supérieure de telle manière à pouvoir y insérer un outil tel qu'un tournevis pour pouvoir faire tourner la pièce de blocage 20. Cette rainure 23 pourrait être prévue sur la grande face opposée à celle portant le pion 21 de sorte que la rainure 23 soit accessible lorsque le cercle d'encageage 10 est monté dans la carrure 30 depuis le fond de la boite.Advantageously, a pin 21 of cylindrical shape is disposed near the rear face 22 and extends vertically from one of its large faces. The pin is clipped into the housing 11 at a clipping opening 113 of complementary shape to that of the pin 21. The pin 21 also has a groove 23 on its upper face so that it can insert a tool such as a screwdriver to be able to rotate the locking piece 20. This groove 23 could be provided on the large face opposite to that carrying the pin 21 so that the groove 23 is accessible when the casing ring 10 is mounted in the middle size 30 from the bottom of the box.

Dans cet exemple, la pièce de blocage 20 et le pion 21 forme un même élément qui peut être réalisé dans un matériau plastique, voire dans un matériau métallique. On comprendra ici que d'autres matériaux auraient pu être envisagés par l'homme du métier dans le cadre de la présente invention.In this example, the locking piece 20 and the pin 21 form the same element that can be made of a plastic material, or even a metal material. It will be understood here that other materials could have been envisaged by those skilled in the art within the context of the present invention.

Comme on peut l'observer à la figure 1, le cercle d'encageage 10 comprend un logement 11 usiné par fraisage par exemple, dans le cercle d'encageage 10, le logement 11 présentant une ouverture latérale 110 de forme rectangulaire au niveau de la face latérale 12 du cercle, et une ouverture supérieure 111 de forme circulaire au niveau de la face supérieure 13 du cercle. Préférentiellement, le cercle d'encageage 10 comprend au moins deux logements 11 et deux pièces de blocage 20 correspondantes, chacune des pièces de blocage 20 coopérant avec un évidement 31 respectif usiné au préalable dans la paroi interne de la carrure 30. Selon le sens du montage du cercle d'encageage 10, une ouverture inférieure peut être prévue en lieu et place de l'ouverture supérieure 111.As can be seen at figure 1 , the casing ring 10 comprises a housing 11 milled for example in the casing ring 10, the housing 11 having a rectangular lateral opening 110 at the lateral face 12 of the circle, and an upper opening 111 of circular shape at the upper face 13 of the circle. Preferably, the casing ring 10 comprises at least two housings 11 and two locking pieces 20 corresponding, each of the locking pieces 20 cooperating with a respective recess 31 previously machined in the inner wall of the middle part 30. Depending on the direction of the mounting of the casing ring 10, a lower opening may be provided in place of the upper opening 111.

Lors de l'usinage du logement 11 dans le cercle d'encageage 10, un pont 114 est formé au niveau de la face supérieure ou inférieure, de telle manière à maintenir la pièce de blocage 20 verticalement dans le logement 11. Ainsi, lors du passage en position de verrouillage la pièce de blocage 20 est maintenue verticalement dans le logement 11 sans que le pion 21 ne puisse être délogé de l'ouverture de clipsage 113.During the machining of the housing 11 in the casing ring 10, a bridge 114 is formed at the upper or lower face, so as to maintain the locking piece 20 vertically in the housing 11. Thus, during the passage in the locking position the locking piece 20 is held vertically in the housing 11 without the pin 21 can be dislodged from the clipping opening 113.

Une échancrure 101, visible sur la figure 5, est également formée dans le cercle d'encageage 10, de manière à pouvoir introduire la couronne dans le mouvement 16 lors de l'assemblage de la montre.An indentation 101, visible on the figure 5 , is also formed in the casing ring 10, so as to introduce the crown in the movement 16 during assembly of the watch.

Le cercle d'encageage 10 comprend également au moins une patte 115 de positionnement, au niveau de sa base, destinée à coopérer avec la carrure 30 de manière à bien positionner le cercle d'encageage 10 dans la carrure 30. Selon un autre mode de réalisation, non illustré sur les figures, la patte 115 de positionnement s'étend sur la périphérie du cercle d'encageage 10.The casing ring 10 also comprises at least one positioning lug 115, at its base, intended to cooperate with the middle part 30 so as to correctly position the casing ring 10 in the caseband 30. According to another embodiment of FIG. embodiment, not shown in the figures, the positioning tab 115 extends on the periphery of the casing ring 10.

Dans l'exemple de réalisation illustré sur les figures, l'ouverture supérieure 111 du logement 11 est légèrement décentrée vers l'un des bords du logement 11.In the exemplary embodiment illustrated in the figures, the upper opening 111 of the housing 11 is slightly off-center towards one of the edges of the housing 11.

Selon un autre mode de réalisation de l'invention, le cercle d'encageage 10 comprend plusieurs logements 11 et pièces de blocage 20, par exemple trois, et la carrure 30 un nombre de surfaces d'appui 31 correspondant au nombre de pièce de blocage 20 de manière à maintenir fermement le cercle d'encageage 10.According to another embodiment of the invention, the casing ring 10 comprises several housings 11 and locking pieces 20, for example three, and the middle part 30 a number of bearing surfaces 31 corresponding to the number of blocking piece 20 so as to firmly hold the casing ring 10.

Selon le mode de réalisation précédent, les logements 11 et les pièces de blocage 20 sont répartis angulairement autour du cercle d'encageage 10 de manière à assurer le bon positionnement axial et radial du cercle d'encageage 10 par rapport à la carrure 30.According to the previous embodiment, the housings 11 and the locking pieces 20 are distributed angularly around the circle 10 to ensure the correct axial and radial positioning of the casing ring 10 relative to the middle part 30.

Selon un mode de réalisation préférentiel de l'invention, le cercle d'encageage 10 peut être réalisé en matière plastique, par exemple par injection, de manière à réduire les coûts de fabrication.According to a preferred embodiment of the invention, the casing ring 10 may be made of plastic, for example by injection, so as to reduce manufacturing costs.

De face, et tel qu'illustré à la figure 4b, le logement 11 présente un premier espace 112 destiné à recevoir la pièce de blocage 20, le premier espace 112 présentant des dimensions légèrement supérieures à celles du corps de la pièce de blocage 20 de manière à ce que la pièce de blocage 20 puisse pivoter sans frottement dans le logement 11.From the front, and as illustrated in figure 4b , the housing 11 has a first space 112 for receiving the locking piece 20, the first space 112 having dimensions slightly greater than those of the body of the locking piece 20 so that the locking piece 20 can pivot without friction in the housing 11.

Le logement 11 comprend un deuxième espace, dit ouverture de clipsage 113, destinée à recevoir le pion 21 de la pièce de blocage. L'ouverture de clipsage 113 présente une entrée formant un goulot d'étranglement de dimension légèrement inférieure à celle du diamètre du pion 21 de façon à faire entrer en force le pion 21 dans une zone de réception attenante à l'entrée, la zone de réception étant de forme circulaire et de diamètre légèrement supérieur à celui du pion 21 de manière à maintenir la pièce de blocage 20 dans le logement 11.The housing 11 comprises a second space, said clipping aperture 113, for receiving the pin 21 of the locking piece. The clipping aperture 113 has an inlet forming a bottleneck slightly smaller in size than the diameter of the peg 21 so as to force the peg 21 into a receiving zone adjoining the entrance, the landing zone. receiving being circular in shape and of diameter slightly greater than that of the pin 21 so as to maintain the locking piece 20 in the housing 11.

Avantageusement, l'ouverture de clipsage 113, et plus précisément la zone de réception de l'ouverture de clipsage 113 est disposée coaxialement à l'ouverture circulaire 111 de façon que la rainure 23 du pion 21 soit accessible via l'ouverture circulaire 111, l'ouverture circulaire 111 possédant un diamètre légèrement inférieur au diamètre de l'ouverture de clipsage 113.Advantageously, the clipping aperture 113, and more precisely the receiving area of the clipping aperture 113 is arranged coaxially with the circular aperture 111 so that the groove 23 of the pin 21 is accessible via the circular opening 111, the circular opening 111 having a diameter slightly smaller than the diameter of the clipping opening 113.

Une fois clipsée, la pièce de blocage 20 peut pivoter d'une première position, dite position escamotée, dans laquelle la pièce de blocage 20 repose dans le logement 11, vers une deuxième position, dite position de verrouillage, dans laquelle la pièce de blocage 20 est saillante et coopère avec une surface d'appui 31 de la paroi interne de la carrure 30 de façon à maintenir le cercle d'encageage 10 dans la carrure 30.Once clipped, the locking piece 20 can pivot from a first position, called the retracted position, in which the locking piece 20 rests in the housing 11, to a second position, called the locking position, in which the locking piece 20 is projecting and cooperates with a bearing surface 31 of the inner wall of the middle part 30 so as to maintain the casing ring 10 in the middle part 30.

Comme on peut l'observer aux figures 3a et 3b, la longueur du logement 11 est légèrement supérieure à la longueur de la pièce de blocage 20, et la longueur de la pièce de blocage 20 est supérieure à la profondeur du logement 11 de façon à ce qu'une portion de la pièce de blocage 20 soit saillante et puisse coopérer avec une surface d'appui de la carrure de montre.As can be seen in Figures 3a and 3b , the length of the housing 11 is slightly greater than the length of the locking piece 20, and the length of the locking piece 20 is greater than the depth of the housing 11 so that a portion of the locking piece 20 is protruding and can cooperate with a bearing surface of the middle watch.

Comme le montre la figure 2, le cercle d'encageage 10 est équipé des pièces de blocage 20 préalablement clipsées, ces pièces de blocage 20 permettant de positionner le cercle 10 par rapport à la boîte 30 en se logeant dans un évidement 31 de la carrure 30.As shown in figure 2 , the casing ring 10 is equipped with locking pieces 20 previously clipped, these locking pieces 20 for positioning the circle 10 relative to the box 30 by lodging in a recess 31 of the middle part 30.

La figure 5 illustre une boite de montre comprenant une carrure 30, un fond 14 assemblé de manière amovible à la carrure 30, le cercle d'encageage 10 de l'invention pouvant être introduit dans la carrure 30. Le cercle d'encageage 10 sert à maintenir le mouvement 16 de la montre, et est maintenu à l'intérieur de la carrure 30 par le biais des pièces de blocage 20.The figure 5 illustrates a watch case comprising a caseband 30, a bottom 14 removably assembled to the middle part 30, the casing ring 10 of the invention being able to be inserted into the middle part 30. The casing ring 10 is used to hold the case movement 16 of the watch, and is held inside the middle part 30 by means of the locking pieces 20.

Le mouvement 16 est glissé depuis le haut, dans l'exemple illustré, dans le cercle d'encageage 10 jusqu'à ce qu'il entre en contact avec un épaulement 116 de la surface interne du cercle d'encageage 10. L'ensemble mouvement 16 - cercle d'encageage 10 est glissé dans la carrure 30 jusqu'à entrer en butée avec le cadran 15, ou le fond 14 selon le sens de montage. Avantageusement selon l'invention, les pièces de blocage 20 présentes sur le cercle d'encageage 10 permettent de solidariser le cercle d'encageage 10 à la carrure 30.The movement 16 is slid from the top, in the illustrated example, into the casing ring 10 until it comes into contact with a shoulder 116 of the inner surface of the casing ring 10. The assembly movement 16 - casing circle 10 is slid into the middle part 30 until it comes into abutment with the dial 15, or the bottom 14 according to the mounting direction. Advantageously according to the invention, the locking pieces 20 present on the casing ring 10 make it possible to secure the casing ring 10 to the middle part 30.

Comme on peut l'observer, la montre comprend une couronne 32 qui est montée sur le mouvement 16 en passant successivement par le trou de la carrure 30, l'échancrure 101 du cercle d'encageage 10 et le trou du mouvement 16 pour y être solidarisée.As can be seen, the watch comprises a ring 32 which is mounted on the movement 16 passing successively through the hole of the middle part 30, the notch 101 of the casing ring 10 and the hole of the movement 16 to be there. secured.

La boite de montre comprend également un réhaut 18 est monté entre le cadran 15 et la glace 19 et prenant appui sur la carrure 30 de manière à la partiellement le cadran 15, ainsi qu'un joint 17 fixant la glace 19 sur la carrure 30, et qui ferme ainsi la partie supérieure de la boite de montre.The watch case also includes a flange 18 is mounted between the dial 15 and the ice 19 and bearing on the middle part 30 of partially to the dial 15, and a seal 17 fixing the ice 19 on the middle part 30, and which thus closes the upper part of the watch case.

La partie inférieure de la boîte de montre est fermée en fixant le fond 14 de manière à plaquer l'ensemble mouvement 16 - cercle d'encageage 10 contre la carrure 30.The lower part of the watch case is closed by fixing the bottom 14 so as to press the movement assembly 16 - casing ring 10 against the middle part 30.

L'assemblage du cercle d'encageage 10 sur la boîte 30 de montre s'effectue comme suit.The assembly of the casing ring 10 on the watch case 30 is as follows.

Dans un premier temps l'opérateur clipse les pièces de blocage 20 dans chacun des logements 11 du cercle d'encageage en introduisant le pion 21 en force dans chacune des ouvertures de clipsage 113 de manière à ce que la rainure 23 présente sur le pion 21 soit visible par l'ouverture circulaire 111. Une fois le clipsage réalisé, l'opérateur positionne les pièces de blocage 20 en position escamotée manuellement ou au moyen d'un tournevis.First, the operator clips the locking pieces 20 into each of the housings 11 of the casing ring by inserting the peg 21 into force in each of the clipping openings 113 so that the groove 23 has on the peg 21 is visible through the circular opening 111. Once the clipping performed, the operator positions the locking pieces 20 in the retracted position manually or by means of a screwdriver.

L'opérateur introduit ensuite le cercle d'encageage 10 équipé des pièces de blocage 20 dans la boîte 30 de montre jusqu'à ce que sa face inférieure, ou supérieure, soit en appui contre le cadran 15 ou le fond 14 de la carrure 30 suivant le sens de montage. Ensuite à l'aide d'un tournevis, l'opérateur fait tourner les pièces de blocage 20 par le biais du pion 21 d'un quart de tour de façon à faire passer les pièces de blocage 20 en position de verrouillage. Ainsi, une portion de chacune des pièces de blocage 20 vient coopérer avec une surface d'appui 31 de la boîte 30 de montre, ce qui a pour effet de solidariser le cercle d'encageage 10 à la carrure 30. Le mouvement 16 de la montre peut être disposé dans le cercle d'encageage 10 avant ou après solidarisation du cercle d'encageage 10 à la carrure 30 selon l'ordre d'assemblage choisit.The operator then introduces the casing ring 10 equipped with the locking pieces 20 into the watch case 30 until its lower or upper face bears against the dial 15 or the bottom 14 of the middle part 30. following the direction of assembly. Then using a screwdriver, the operator rotates the locking pieces 20 through the pin 21 by a quarter of a turn so as to pass the locking pieces 20 in the locking position. Thus, a portion of each of the locking pieces 20 cooperates with a bearing surface 31 of the watch case 30, which has the effect of securing the casing ring 10 to the middle part 30. The movement 16 of the shows can be arranged in the casing circle 10 before or after joining the casing ring 10 to the middle part 30 according to the assembly order chosen.

Selon un mode de réalisation de l'invention, illustré aux figures 3a et 3b, le cercle d'encageage 10 peut présenter sur sa face supérieure 13 des indications, telles que « open » et « close » accompagnées d'une flèche indiquant le sens de rotation par exemple, à destination de l'opérateur afin de lui indiquer dans quel sens faire pivoter la pièce de blocage 20 pour verrouiller ou déverrouiller le cercle d'encageage 10 à la carrure 30.According to one embodiment of the invention, illustrated in Figures 3a and 3b , the casing ring 10 may have on its upper face 13 indications, such as "open" and "close" accompanied by an arrow indicating the direction of rotation for example, to the operator to indicate in which direction to rotate the locking piece 20 to lock or unlock the casing ring 10 to the middle part 30.

L'invention concerne également une pièce d'horlogerie équipée d'un dispositif 1 d'assemblage tel que décrit précédemment, la pièce d'horlogerie pouvant aussi bien être une montre mécanique comme une montre électronique.The invention also relates to a timepiece equipped with a device 1 assembly as described above, the timepiece can be a mechanical watch as well as an electronic watch.

Grâce à ces différents aspects de l'invention, on dispose d'un dispositif d'assemblage d'un cercle d'encageage dans une carrure de montre aisé à manipuler et à installer pour un opérateur, et qui ne nécessite pas la manipulation de vis ou de bride.Thanks to these different aspects of the invention, there is a device for assembling a casing ring in a watch case easy to handle and install for an operator, and which does not require the manipulation of screws. or bridle.

Naturellement, d'autres modes de réalisation auraient pu être envisagés par l'homme du métier sans pour autant sortir du cadre de l'invention définie par les revendications ci-après.Naturally, other embodiments could have been envisaged by those skilled in the art without departing from the scope of the invention defined by the claims below.

NOMENCLATURENOMENCLATURE

  • 1. Dispositif d'assemblage,1. Assembly device,
  • 10. Cercle d'encageage,10. Cage circle,
  • 101. Echancrure du cercle d'encageage,101. notch of the casing ring,
  • 11. Logement,11. Housing,
  • 110. Ouverture latérale,110. Lateral opening,
  • 111. Ouverture supérieure,111. Upper opening,
  • 112. Premier espace du logement,112. First space of housing,
  • 113. Ouverture de clipsage,113. Opening clipping,
  • 114. Pont de maintien,114. Bridge holding,
  • 115. Patte de positionnement,115. Positioning tab,
  • 116. Epaulement du cercle d'encageage,116. Shoulder of the casing ring,
  • 12. Face latérale,12. Side face,
  • 13. Face supérieure,13. Top face,
  • 14. Fond,14. Background,
  • 15. Cadran,15. Dial,
  • 16. Mouvement,16. Movement,
  • 17. Joint,17. Joint,
  • 18. Réhaut,18. Up,
  • 19. Glace,19. Ice cream,
  • 20. Pièce de blocage,20. Blocking part,
  • 21. Pion,21. Pawn,
  • 22. Face arrière de la pièce de blocage,22. Rear face of the blocking part,
  • 23. Rainure,23. Groove,
  • 24. Gorge,24. Gorge,
  • 241. Paroi supérieure de la gorge,241. Upper wall of the throat,
  • 242. Paroi inférieure de la gorge,242. Lower wall of the throat,
  • 30. Carrure,30. Carrure,
  • 31. Surface d'appui,31. Support surface,
  • 310. Nervure,310. Rib,
  • 311. Face supérieure de la nervure,311. Upper face of the rib,
  • 312. Face inférieure de la nervure,312. Lower face of the vein,
  • 32. Couronne,32. Crown,
  • V. Axe de rotation vertical,V. Vertical axis of rotation,
  • P. Plan orthogonal à l'axe vertical.P. Orthogonal plane to the vertical axis.

Claims (11)

  1. Device (1) for assembling a casing ring (10) in a watch case middle (30) including, on the inner wall thereof, at least one bearing surface (31), said casing ring (10) including at least one housing (11) opening, on the one hand, in the lateral face (12) of said casing ring (10) through a lateral opening (110), and on the other hand, in the upper (13) or lower face of the casing ring (10) through an upper (111) or lower opening,
    said device including at least one locking part (20), of complementary shape to said housing (11), capable of pivoting about a vertical axis of rotation (V) passing through said upper (111) or lower opening from a first position, called the retracted position, in which said locking part (20) is at least partially housed in said housing (11), to a second position, called the locking position, in which said locking part (20) protrudes and abuts against one of the bearing surfaces (31) of the inner wall of said case middle (30) so as to hold said casing ring (10) in said case middle (30),
    characterized in that said at least one locking part (20) includes a pin (21) integral with the locking part (20) and thanks to which said locking part (20) is snap-fitted in said at least one housing (11) and pivots about said vertical axis of rotation (V).
  2. Assembly device (1) according to claim 1, wherein said housing (11) includes a snap-fit opening (113) capable of cooperating with said pin (21) of said locking part (20) so as to snap-fit said locking part (20) laterally through the lateral opening (110).
  3. Assembly device (1) according to claim 2, wherein said snap-fit opening (113) includes, in succession, an entrance having a bottleneck forming a retaining portion, and a receiving area configured to receive said pin (21) in which said pin (21) is retained and can pivot.
  4. Assembly device (1) according to any of claims 1 to 3, wherein said pin (21) of said locking part (20) has a slot (23) capable of cooperating with a screwing tool.
  5. Assembly device (1) according to claim 4, wherein said snap-fit opening (113), said pin (21) and said upper (111) or lower opening are arranged coaxially along said vertical axis of rotation (V) so that the slot (23) of said pin (21) is accessible through said upper (111) or lower opening.
  6. Assembly device (1) according to any of claims 1 to 5, wherein said locking part (20) has an upper face and a lower face parallel to a plane (P) orthogonal to the vertical axis (V), a rear face (22) and a front face perpendicular to the upper and lower faces, and two lateral faces perpendicular to the upper and lower faces and to the front and rear (22) faces, said locking part including a groove (24) opening on the front and lateral faces thereof, the groove (24) being configured to cooperate with said bearing surface (31) of said case middle (30).
  7. Assembly device (1) according to claim 6, wherein said groove (24) extends along the front face between the upper and lower faces, and has a U-shaped profile.
  8. Assembly device (1) according to any of claims 1 to 7, wherein said casing ring (10) includes several housings (11) and locking parts (20) angularly distributed around said casing ring (10) to ensure axial and radial positioning relative to the case middle (30).
  9. Assembly device (1) according to any of claims 1 to 8, wherein said casing ring (10) and said locking parts (20) are made of plastic material.
  10. Watch case fitted with a device according to claims 1 to 9, further including a movement (16) surmounted by a dial (15) and mounted in said casing ring (10) which is in turn mounted in a case middle (30), a crystal (19) integral with a gasket (17) and a back cover (14), said case middle (30) having a peripheral shoulder on the inner wall thereof, said shoulder being intended to cooperate with said locking parts (20).
  11. Timepiece fitted with an assembly device (1) according to any of claims 1 to 10.
EP14170867.7A 2014-06-03 2014-06-03 Device for assembling a fitting circle in a watch middle Active EP2952975B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14170867.7A EP2952975B1 (en) 2014-06-03 2014-06-03 Device for assembling a fitting circle in a watch middle
US14/726,845 US9921549B2 (en) 2014-06-03 2015-06-01 Device for assembling a casing ring in a watch case middle
JP2015111103A JP6155301B2 (en) 2014-06-03 2015-06-01 Device for assembling the casing ring in the middle of the watch case
CN201510295850.3A CN105278317B (en) 2014-06-03 2015-06-02 Assembling device for being assembled in casing ring in watchcase intermediate member
HK16107148.8A HK1219139A1 (en) 2014-06-03 2016-06-21 Device for assembling a casing ring in a watch case middle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14170867.7A EP2952975B1 (en) 2014-06-03 2014-06-03 Device for assembling a fitting circle in a watch middle

Publications (2)

Publication Number Publication Date
EP2952975A1 EP2952975A1 (en) 2015-12-09
EP2952975B1 true EP2952975B1 (en) 2019-04-24

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US (1) US9921549B2 (en)
EP (1) EP2952975B1 (en)
JP (1) JP6155301B2 (en)
CN (1) CN105278317B (en)
HK (1) HK1219139A1 (en)

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Also Published As

Publication number Publication date
HK1219139A1 (en) 2017-03-24
JP6155301B2 (en) 2017-06-28
US9921549B2 (en) 2018-03-20
CN105278317A (en) 2016-01-27
CN105278317B (en) 2018-07-31
US20150346692A1 (en) 2015-12-03
JP2015232560A (en) 2015-12-24
EP2952975A1 (en) 2015-12-09

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