EP2859412B1 - Rotating bezel system - Google Patents

Rotating bezel system Download PDF

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Publication number
EP2859412B1
EP2859412B1 EP13725996.6A EP13725996A EP2859412B1 EP 2859412 B1 EP2859412 B1 EP 2859412B1 EP 13725996 A EP13725996 A EP 13725996A EP 2859412 B1 EP2859412 B1 EP 2859412B1
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EP
European Patent Office
Prior art keywords
bezel
toothed
ring
support element
spring
Prior art date
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Application number
EP13725996.6A
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German (de)
French (fr)
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EP2859412A1 (en
Inventor
Olivier Silvant
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.)
Omega SA
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Omega SA
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Priority to EP13725996.6A priority Critical patent/EP2859412B1/en
Publication of EP2859412A1 publication Critical patent/EP2859412A1/en
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Publication of EP2859412B1 publication Critical patent/EP2859412B1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel

Definitions

  • the present invention relates to a timepiece comprising a middle part closed by a caseback and a crystal, said timepiece further comprising a rotating bezel system fixed to said middle part.
  • the technical field of the invention is the technical field of fine mechanics.
  • the present invention relates to a rotating bezel for a timepiece.
  • Known rotating bezel systems include an annular rotating bezel having an upper face and a lower face, the upper face being the face visible to the user.
  • This bezel comprises, on its lower surface, a notch or toothing.
  • the rotating bezel system further comprises a spring means.
  • This spring means is inserted between the rotating bezel and the middle part of the timepiece when the bezel is force-fitted on the middle part of the timepiece.
  • This spring means is in the form of a flat ring comprising, on its face facing the notching of the bezel, strips. These strips are arranged to have an inclination between 0 and 90 ° relative to the plane of the flat ring. These strips have a certain elasticity so that the spring means act on the rotating bezel to exert a vertical force. This vertical force tends to push the bezel out of the middle of the timepiece.
  • the bezel and the spring means are made of steel, which has the advantage of having a good lifespan and of being inexpensive.
  • the rotating bezel systems have the drawback of not being able to be easily assembled to the middle part because the spring means must first be mounted. Then it's the turn of the telescope to be assembled. So not only is the assembly complex but the disassembly is almost impossible and risks destroying the rotating bezel.
  • the object of the invention is to alleviate the drawbacks of the prior art by proposing to provide a rotating bezel system for a timepiece that is simpler to produce, which can be made of precious materials without showing premature wear and which can be dismantled. .
  • the invention relates to a middle part of a timepiece comprising a peripheral shoulder on which an annular rotating bezel system is rotatably mounted, characterized in that said rotating bezel system is formed of an independent module, said module comprising an annular bezel, an annular support element, a toothed element and spring means co-operating elastically with the toothed element, said spring means and said toothed element being held axially by the bezel and the support element, said system of rotating bezel further comprising fixing means for fixing together the spring means, the support element and the bezel, the toothed element being angularly integral with said middle part while the spring means are angularly integral with the bezel and the bezel. support member so that the spring means, the bezel and the support member can rotate together to allow indexing of the position of the rotating bezel system relative to the caseband.
  • a first advantage of the present invention is to allow the rotating bezel system according to the present invention to be simpler to produce and to assemble. Indeed, the fact of mounting the ring on a support part so as to place the spring ring and the teeth between said support part and the bezel makes it possible to have an independent module: this premounted module improves the manufacturing process because the Rotating spectacle modules can be mounted separately. As the teeth are arranged to be fixed to the middle part of the watch case and the bezel, the support part, and the spring are integral with one another.
  • the rotating bezel system is arranged so that the spring and the toothing are inserted between the bezel and the support part, the spring and the toothing cooperating together.
  • the toothed element and the spring means are concentric with respect to one another.
  • the bezel and the support element are arranged so as to both present a complementary profile so that the assembly of the bezel to the support element makes it possible to define a first housing in which the toothed element and the spring means are placed.
  • the toothed element consist of a toothed ring comprising a toothing
  • the spring means comprising a spring ring which comprises elastic means able to cooperate with the toothing arranged on said toothed element.
  • the toothed ring and the spring ring are coplanar flat rings.
  • the toothed ring comprises toothing on its outer face and is angularly secured to the middle part, the spring ring being secured to the bezel and to the support element and comprising at its inner face , the elastic means able to cooperate with the teeth arranged on said toothed ring.
  • the elastic means are arms extending towards the inside of the spring ring so as to exert a bearing on the teeth.
  • the middle comprises a side wall in which is arranged a protuberance to form a groove so that a projection arranged on the support element can cooperate with said groove and limit the vertical displacement of the rotating bezel system.
  • the toothed ring comprises at least one lug and in that the side wall of the middle part comprises at least one recess arranged so that said at least one lug can be inserted therein so as to limit the displacement angular of the toothed ring relative to the caseband.
  • the toothed ring comprises three lugs.
  • the spring ring comprises three elastic arms distributed angularly.
  • the present invention also relates to a middle part of a timepiece comprising a peripheral shoulder on which an annular rotating bezel system is rotatably mounted, characterized in that said rotating bezel system is formed of an independent module, said module comprising a annular bezel, an annular support element, a toothed element and spring means co-operating elastically with said notching means, said spring means and said toothed element being held axially by the bezel and / or the support element, said bezel system rotating further comprising fixing means for fixing the toothed element, the support element and the bezel together, the spring means being angularly integral with said caseband while the toothed element is angularly integral with the bezel and the bezel. support element to allow indexing of the position of the rotating bezel system relative to the caseband.
  • the toothed element and the spring means are concentric with respect to one another.
  • the toothed element consists of a toothed ring comprising a toothing, the spring means comprising a spring ring which comprises elastic means able to cooperate with the toothing arranged on said toothed element.
  • the spring ring is open and has at least one area having a minimum radius and one area having a maximum radius so that the area having a maximum radius cooperates with a recess arranged in said support member and that the zone having a minimum radius cooperates with a groove arranged on the middle part.
  • said spring ring comprises two ends, one of which has a raised part, said part raised comprising a curved part oriented axially and a flat part parallel to said spring ring, and in that said flat part comprises, on its external face, the teeth cooperating with the toothed element.
  • the bezel and the support member are arranged so as to both present a complementary profile so that the assembly of the bezel to the support member allows to form a second housing in which the 'toothed element is placed, said support element comprising a recess in which the spring means are inserted.
  • the present invention further relates to a timepiece comprising a case formed by a middle part closed by a back and a crystal, characterized in that the middle part is the middle part according to one of the preceding claims.
  • the present invention proceeds from the general inventive idea which consists in providing a rotating bezel system which is simpler to assemble.
  • a rotating bezel system is attached to a caseband comprising a central axis (C).
  • the rotating bezel system comprises an annular bezel which is the part visible and manipulated by the user and a support member which is also annular.
  • the rotating bezel system also includes a toothed member placed between the bezel and the support member.
  • the rotating bezel system comprises spring means cooperating with the toothed element to allow the rotation of the rotating bezel system relative to the caseband of the watch, indexing the position of the bezel relative to the caseband. This rotation is permitted because the toothed element or the spring means are angularly integral with said middle part.
  • the figure 1 shows the rotating bezel system 1 according to a first embodiment of the invention in an exploded manner so as to see each part separately.
  • the rotating bezel system comprises a bezel 7 which is the part visible and manipulated by the user.
  • This ring-shaped bezel comprises an upper face 7a visible to the user and a lower face 7b.
  • the rotating bezel system 1 further comprises a support or pre-assembly element 5 in the form of an annular ring.
  • This support member 5 comprises a flat ring 50 having an upper face 52 and a lower face 54.
  • the upper face 52 comprises a first peripheral flange 56.
  • the lower face 54 comprises a second peripheral rim 58 and a third rim 60 close to the internal end of the ring 50.
  • the second 58 and third 60 rims then define an annular housing 62.
  • the third rim 60 comprises at least one projection 64 extending towards the central axis of the ring 50.
  • the third rim 60 comprises a single projection 64 extending through the whole of said rim 60.
  • the rotating bezel system further comprises a spring-locking assembly 10 or snap-fit system.
  • This spring-detent assembly 10 comprises spring means 9 and a toothed element 19.
  • the spring means 9 comprise a ring 11 provided with elastic means 13.
  • These elastic means 13 are, for example, in the form of elastic arms 15 arranged in the ring 11 so as not to protrude. These arms 15 are arranged to have, at their free end, an inclination towards the inside of the spring ring 9.
  • Each arm 15 is produced by notching said spring ring 11 so that a recess 17 appears between each arm 15 and the body of the ring 11.
  • Each arm 15 has a thickness which decreases as one approaches the end 15a.
  • the spring ring comprises 3 elastic arms distributed angularly every 120 °.
  • the toothed element 19 comprises a toothed ring 21 whose outer wall 21a is provided with toothing 23 and whose inner wall 21b has lugs or projections 25 here three in number.
  • This toothed element 19 is arranged to fit into the spring means 9, that is to say that the toothed ring 21 is dimensioned to be able to be placed in said spring ring 11.
  • the toothed ring 21 and the spring ring 11 are concentric and coplanar This configuration allows, when the toothed ring 21 is inserted inside the spring ring 11, that the means elastics 13 cooperate with the teeth 23 due to the inclination of the arms 15.
  • each arm 15 is in contact with the teeth 23 such that there is a rest position in which the end 15a of each arm 15 is located in a hollow of the toothing 23.
  • This inclination of the arm 15 towards the inside of the spring ring 11 is used to allow the unidirectionality of the rotation of the spring ring 11 relative to the toothed ring 21.
  • the teeth 23 and the elastic means 13 are arranged so that the spring ring 11 can rotate relative to the toothed ring 21 in a defined direction: clockwise or anti-clockwise.
  • the teeth 23 and the elastic means 13 are arranged so that the spring ring 11 can rotate in one and / or the other of the two directions: clockwise or anti-clockwise.
  • This spring-detent assembly 10 is then placed on the upper face 52 of the support element 5.
  • This support element 5 and the bezel 7 are fixed together via fixing means 27 such as for example screws, and then define a first housing 51 in which the spring means 9 and the toothed element 19 are placed.
  • These fixing means 27 then pass through the spring-detent assembly 10.
  • the support element 5, the bezel 7 and said spring-detent assembly 10 comprise openings 12 allowing said fixing means 27 to pass through it.
  • These openings 12 are arranged at the level of the spring ring 11. The consequence is that this spring ring 11 becomes integral with the support element 5 and the bezel 7.
  • the fixing means 27 can also be glue or glue. rivets or others.
  • This timepiece comprises a middle part 3.
  • This middle part 3 comprises a shoulder 300 defined by a side wall 302 and a base 304.
  • This shoulder 300 serves as a housing for the rotating bezel system 1.
  • the side wall 302 comprises a protuberance 306 extending over the entire perimeter of the wall lateral 302.
  • This protuberance 306 makes it possible to define, in cooperation with the base 304 and the wall 302, a retaining groove 308.
  • This retaining groove 308 allows, when assembling the rotating bezel system 1 on the middle part 3, that the projection 64 can be inserted therein. This insertion is done by force so that the rotating bezel system 1 is held vertically to the caseband 3.
  • the lugs 25 or projections of the toothed ring 21 are used to fix said rotating bezel system to the timepiece.
  • the middle also comprises at least one recess 310.
  • three recesses 310 are made, the number of recesses 310 is identical to that of the lugs 25.
  • these recesses 310, arranged on the side wall 302 have a shape identical or substantially identical to that of the lugs 25 of the internal wall 21b of the toothed ring 21.
  • said rotating bezel system 1 is fixed axially, vertically to the middle part 3 by the projection 64 inserted into the retaining groove 308.
  • the rotating bezel system 1 is not blocked in rotation and can therefore rotate with respect to caseband 3 when the user turns the bezel. Only the frictional force between the wall 302 and the base 304 of the middle part 3 and the outer walls of the rotating bezel system 1 acts to prevent such rotation.
  • the toothing 23 and the spring means 13 are arranged to define the direction of rotation of the rotating bezel 7 relative to the toothed ring 21, that is to say relative to the caseband 3.
  • the user turns the bezel 7 in the opposite direction to the desired direction and the latter does not turn.
  • the elastic arms 15 are formed so that the end 15a of each arm 15 is an obstacle to rotation.
  • the inclination of the arms 15 causes the end 15a to rest on the teeth 23 so that the arm 15 does not cannot pass over the toothing 23.
  • the arms 15 have a curved shape at their end 15a so that the end will press on the hollow between two notches. Locking can be improved by bending the end 15a of each arm 15 so that the curvature of said end 15a matches the shape of the notches of the teeth 23.
  • the rotating bezel system 1 can be bidirectional by producing elastic arms which do not press on the toothed ring 21 when the user turns the bezel 7. For this, it can be provided that the arms 15 extend radially so that, in one or the other of the directions of rotation, these arms do not exert support on the toothing 23. A pre-assembled rotating bezel system is therefore obtained which is easy to adjust.
  • This rotating bezel system 1 is that it is easily possible to produce rotating bezels from precious materials. Indeed, the toothed ring 21 is independent of the bezel, that is to say it is not attached to the latter. There is therefore no specific constraint. The bezel can, therefore, be made of precious materials without this posing manufacturing problems since the toothed ring 21 and the spring ring 11 are always made of steel, that is to say of materials exhibiting wear. less than precious materials.
  • the rotating bezel system 1 comprises a bezel 1070 which is the part visible and manipulated by the user.
  • This ring-shaped bezel comprises an upper face visible to the user and a lower face.
  • the rotating bezel system 1 further comprises a support member 1050.
  • This support member 1050 comprises a flat ring 1051 having an upper face and a lower face.
  • the upper face includes a first peripheral rim 1052 having a stepped profile. It is thus understood that said rim has several levels or bearing surface.
  • the first peripheral rim 1052 will include at least one level intermediate, the support element 1050 thus comprises three support surfaces at three different heights.
  • the lower face comprises a second peripheral rim 1053.
  • the latter comprises a recess 1054 running through the interior surface of the second rim 1053 so as to form a circular recess.
  • the 1070 bezel also has a staircase-shaped profile but inverted. This profile in the form of a staircase is made to cooperate with the profile of the support element 1050.
  • the rotating bezel system 10 further comprises a spring-detent assembly.
  • This spring-detent assembly comprises spring means 1090 and a toothed element 1190.
  • the toothed element 1190 comprises a toothed ring 1191 whose internal wall comprises toothing 1192 and whose external wall 1193 comprises lugs or projections 1194 here in number of three.
  • This toothed element 1190 is arranged to fit into the support element 1050. More precisely, the toothed ring 1191 is placed on the lowest bearing surface.
  • the support element 1050 comprises recesses 1055.
  • the number of these recesses 1055 is equal to the number of lugs or projections 1194 located on the outer wall 1193 of the toothed ring 1191
  • the recesses 1055 are arranged so that, when the toothed ring 1191 is placed in the support 1050, the lugs or projections 1194 fit into said recesses 1055 allowing the angular locking of said toothed ring 1191.
  • the bezel 1070 is then fixed to the support element. During this assembly, the inverted staircase profile of the bezel 1070 cooperates with the staircase profile of the support member 1050.
  • the dimensions thereof are calculated so that the inverted staircase profile of the bezel 1070 cooperates and the stepped profile of the support member 1050 interlock with each other providing a second housing 1156 into which the toothed member fits.
  • the bezel 1070 therefore bears on the toothed element 1190 in order to hold them securely in the support element 1050.
  • the bezel 1070 can be driven out or screwed or glued.
  • the spring means 1090 comprise an open or non-closed spring ring 1900 having an outer wall 1901 and an inner wall 1903.
  • This spring ring 1900 comprises at least one zone having a radius of curvature smaller 1902 than the radius of curvature of said non-closed ring .
  • said spring ring 1900 comprises at least one zone 1904 having a maximum radius and at least one zone 1902 having a minimum radius.
  • the spring ring 1900 comprises three zones having a radius of curvature smaller 1902 than the radius of curvature of said non-closed ring, spaced angularly in a regular manner.
  • Said non-closed ring also has, at one of its ends 1906, an elevation 1908.
  • said end 1906 comprises a curved part 1906a having a vertical or axial curvature so that this end 1906 is raised and a flat part 1906b parallel to the plane of the spring 1901 ring.
  • a set of teeth 1910 intended to cooperate with the teeth 1192 of the toothed ring 1191, is arranged on the outer wall 1901 of the raised part 1908.
  • said spring ring 1900 is inserted into the circular recess 1054 of the second flange 1053.
  • the elevation of the raised part 1908 is then calculated so that the latter fits. located opposite the toothed ring 1191. Therefore, the toothing 1910 of the external face 1901 of the raised part 1908 comes into contact with the toothing 1192 of the internal face of the toothed ring 1191. This cooperation makes it possible to determine the direction of rotation of the rotating bezel system 10.
  • the toothing 1910 of the raised part 1908 and the toothing 1192 of the internal face of the toothed ring 1191 are configured so that each tooth comprises an inclined face and a coincident face with the radius of the toothed ring 1191 or of the spring ring 1901.
  • the inclined face of each tooth of the spring ring teeth is supported on the inclined face of each tooth of the teeth 1192 of the toothed ring 1191.
  • the rotation of the system 10 is unidirectional, that is to say that the rotation can be done in the clockwise or anti-clockwise direction but it the rotation may be bidirectional.
  • the spring ring 1901 is made so that once installed in the support element 1050, only the areas 1902 whose radius of curvature is smaller than the radius of curvature of the spring ring are arranged in the recess 1054 circular of the second flange 1053, this being due to the fact that these zones are further from the center of the spring ring 1900 than the rest of said ring.
  • An advantage of this arrangement is to have a rotating bezel system 1 which can be assembled beforehand, which facilitates the final assembly of the watch.
  • the spring ring has on its internal face 1903, at least one projection 1912.
  • This projection 1912 is made to cooperate with a recess 1309 located on the middle 1300.
  • This recess 1309 is placed so that the projection 1912 s' inserts there when the bezel system rotating 10 is mounted on the middle part. This cooperation induces angular locking of the spring ring 1901 with respect to the caseband 1300.
  • a spring ring 1901 is then obtained which is angularly integral with the middle part 1300 and an assembly formed by the bezel 1070, the support element 1050 and the toothed ring 1191 which can rotate around the middle part 1300 in at least one predetermined direction.
  • the user decides to turn the rotating bezel system 10
  • he has two possibilities: either he turns the rotating bezel system 10 in the direction in which it is intended to rotate, or in the opposite direction.
  • the teeth of the spring ring and the teeth of the toothed ring 1191 slide over each other to engage or press against each other to block the rotation.
  • An advantage of the rotating bezel system according to this second embodiment is that it is easier to mount on the middle part because the stress to be exerted is lower.
  • the vertical retention is achieved by driving a rigid element which requires exerting a significant force to drive out the rotating bezel system 10.
  • This also results in the operation of disconnecting the rotating bezel system 10 of the middle part 3 is very complicated because the risk of breaking said system is high.
  • the rotating bezel system according to the invention uses an elastic element to ensure vertical maintenance. It is the spring ring 1901 which is used for vertical or axial retention and which deforms during the driving operation.
  • the constraint that must be applied to assemble the rotating bezel system 10 according to the invention to the caseband is therefore less important. The consequence is that it is possible that the operation of separating the rotating bezel system from the middle part is less complicated and that the risk of breaking said rotating bezel system is less.
  • An advantage common to both embodiments is that the choice of the direction of rotation of the rotating bezel system can be easily changed by replacing, in the rotating bezel system, the spring ring 11, 1901 and the toothed ring 21, 1191 .
  • the support element 1050 further comprises a sealing element 1200.
  • a seal 1201 is placed in the rotating bezel system 10 to seal it.
  • the profile of the support element 1050 has an additional intermediate level, that is to say an additional bearing surface. This additional bearing surface is used to allow the installation of the gasket.
  • This gasket 1201 is then wedged between the bezel 1070 and the support member 1050.
  • the additional intermediate level is dimensioned so that, when the gasket 1201 is installed, the profile of the support member with the gasket is. identical to the profile of the support element 1050 of the second embodiment, that is to say without a seal. This makes it possible to modify only the support element 1050 and not the telescope.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Adornments (AREA)
  • Gears, Cams (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

La présente invention concerne une pièce d'horlogerie comprenant une carrure fermée par un fond et une glace, ladite pièce d'horlogerie comprenant en outre un système de lunette tournante fixé à ladite carrure.The present invention relates to a timepiece comprising a middle part closed by a caseback and a crystal, said timepiece further comprising a rotating bezel system fixed to said middle part.

Le domaine technique de l'invention est le domaine technique de la mécanique fine.The technical field of the invention is the technical field of fine mechanics.

ARRIERE PLAN TECHNOLOGIQUETECHNOLOGICAL BACKGROUND

La présente invention concerne une lunette tournante pour pièce d'horlogerie.The present invention relates to a rotating bezel for a timepiece.

Des systèmes de lunettes tournantes connus comprennent une lunette tournante annulaire possédant une face supérieure et une face inférieure, la face supérieure étant la face visible par l'utilisateur. Cette lunette comprend, sur sa surface inférieure, un crantage ou denture. Le système de lunette tournante comprend en outre un moyen ressort. Ce moyen ressort est inséré entre la lunette tournante et la carrure de la pièce d'horlogerie lorsque la lunette est montée à force sur la carrure de la pièce d'horlogerie. Ce moyen ressort se présente sous la forme d'un anneau plat comprenant, sur sa face en regard du crantage de la lunette, des lamelles. Ces lamelles sont disposées pour présenter une inclinaison entre 0 et 90° par rapport au plan de l'anneau plat. Ces lamelles présentent une certaine élasticité de sorte que les moyens ressort agissent sur la lunette tournante pour exercer une force verticale. Cette force verticale tend à pousser la lunette hors de la carrure de la pièce d'horlogerie.Known rotating bezel systems include an annular rotating bezel having an upper face and a lower face, the upper face being the face visible to the user. This bezel comprises, on its lower surface, a notch or toothing. The rotating bezel system further comprises a spring means. This spring means is inserted between the rotating bezel and the middle part of the timepiece when the bezel is force-fitted on the middle part of the timepiece. This spring means is in the form of a flat ring comprising, on its face facing the notching of the bezel, strips. These strips are arranged to have an inclination between 0 and 90 ° relative to the plane of the flat ring. These strips have a certain elasticity so that the spring means act on the rotating bezel to exert a vertical force. This vertical force tends to push the bezel out of the middle of the timepiece.

Ces lamelles servent également à coopérer avec le crantage de la lunette. Les lamelles et le crantage sont alors configurés de sorte que la lunette ne puisse tourner que dans un seul sens. En général, la lunette et les moyens ressorts sont réalisés en acier qui a l'avantage d'avoir une bonne durée de vie et d'être peu coûteux.These strips also serve to cooperate with the notching of the bezel. The slats and the notch are then configured so that the bezel can only rotate in one direction. In general, the bezel and the spring means are made of steel, which has the advantage of having a good lifespan and of being inexpensive.

Pour réaliser une lunette en matériaux précieux, le même concept est utilisé. Néanmoins, les matériaux précieux possèdent des caractéristiques mécaniques inappropriées comme par exemple une résistance mécanique faible. Un crantage en matériaux précieux a donc l'inconvénient de s'user rapidement. Une solution consiste à réaliser un crantage rapporté sur la lunette. Cet agencement permet d'avoir une lunette précieuse mais dont le crantage est réalisé dans un matériaux pourvu d'une bonne durée de vie. Cette solution a pour inconvénient d'imposer une méthode de fabrication plus complexe puisque le crantage doit être réalisé à part puis fixé sur la face inférieure de la lunette.To make a bezel in precious materials, the same concept is used. However, precious materials have inappropriate mechanical characteristics such as low mechanical strength. A notching made of precious materials therefore has the disadvantage of wearing out quickly. One solution consists in making a notch attached to the bezel. This arrangement makes it possible to have a precious bezel, but the notching of which is made of a material provided with a good lifespan. This solution has the drawback of imposing a more complex manufacturing method since the notching must be carried out separately and then fixed to the underside of the bezel.

Par ailleurs, les systèmes de lunette tournante ont l'inconvénient de ne pas pouvoir être facilement assemblés à la carrure car le moyen ressort doit être en premier lieu monté. Puis c'est au tour de la lunette d'être assemblé. Ainsi non seulement le montage est complexe mais le démontage est quasi impossible et risque de détruire la lunette tournanteFurthermore, the rotating bezel systems have the drawback of not being able to be easily assembled to the middle part because the spring means must first be mounted. Then it's the turn of the telescope to be assembled. So not only is the assembly complex but the disassembly is almost impossible and risks destroying the rotating bezel.

Le tout forme un système de lunette tournante selon l'art antérieur. Ces systèmes ont également un bruit de fonctionnement peu flatteur qui dérange pour des pièces d'horlogerie haut de gamme. Le document EP1431845 divulgue toutes les caractéristiques du préambule des revendications 1 et 12.The whole forms a rotating bezel system according to the prior art. These systems also have an unflattering operating noise that is inconvenient for high-end timepieces. The document EP1431845 discloses all of the features of the preamble of claims 1 and 12.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention a pour but de pallier les inconvénients de l'art antérieur en proposant de fournir un système de lunette tournante de pièce d'horlogerie plus simple à réaliser, qui peut être en matériaux précieux sans présenter d'usure prématurée et qui est démontable.The object of the invention is to alleviate the drawbacks of the prior art by proposing to provide a rotating bezel system for a timepiece that is simpler to produce, which can be made of precious materials without showing premature wear and which can be dismantled. .

A cet effet, l'invention concerne une carrure de pièce d'horlogerie comprenant un épaulement périphérique sur lequel un système de lunette tournante annulaire est monté à rotation, caractérisée en ce que ledit système de lunette tournante est formé d'un module indépendant, ledit module comprenant une lunette annulaire, un élément de support annulaire, un élément denté et des moyens ressorts coopérant élastiquement avec l'élément denté, lesdits moyens ressorts et ledit élément denté étant maintenus axialement par la lunette et l'élément de support, ledit système de lunette tournante comprenant en outre des moyens de fixation pour fixer ensemble les moyens ressorts, l'élément de support et la lunette, l'élément denté étant angulairement solidaire de ladite carrure tandis que les moyens ressorts sont angulairement solidaires de la lunette et de l'élément de support de sorte que les moyens ressorts, la lunette et l'élément de support puisse tourner ensemble pour permettre une indexation de la position du système de lunette tournante par rapport à la carrure.To this end, the invention relates to a middle part of a timepiece comprising a peripheral shoulder on which an annular rotating bezel system is rotatably mounted, characterized in that said rotating bezel system is formed of an independent module, said module comprising an annular bezel, an annular support element, a toothed element and spring means co-operating elastically with the toothed element, said spring means and said toothed element being held axially by the bezel and the support element, said system of rotating bezel further comprising fixing means for fixing together the spring means, the support element and the bezel, the toothed element being angularly integral with said middle part while the spring means are angularly integral with the bezel and the bezel. support member so that the spring means, the bezel and the support member can rotate together to allow indexing of the position of the rotating bezel system relative to the caseband.

Un premier avantage de la présente invention est de permettre au système de lunette tournante selon la présente invention d'être plus simple à réaliser et à monter. En effet, le fait de monter la bague sur une pièce de support de sorte à placer la bague ressort et la denture entre ladite pièce de support et la lunette permet d'avoir un module indépendant : ce module prémontré améliore le procédé de fabrication car les modules de lunettes tournantes peuvent être montés séparément. Comme la denture est agencée pour être fixée à la carrure de la boîte de montre et que la lunette, la pièce de support, et le ressort sont solidaires les uns des autres.A first advantage of the present invention is to allow the rotating bezel system according to the present invention to be simpler to produce and to assemble. Indeed, the fact of mounting the ring on a support part so as to place the spring ring and the teeth between said support part and the bezel makes it possible to have an independent module: this premounted module improves the manufacturing process because the Rotating spectacle modules can be mounted separately. As the teeth are arranged to be fixed to the middle part of the watch case and the bezel, the support part, and the spring are integral with one another.

De plus, cet agencement permet de réaliser des lunettes en matériaux précieux sans risque d'usure prématurée puisque la denture n'est pas intégrée à la lunette et elle est juste fixée à ladite lunette. En effet, le système de lunette tournante est agencé pour que le ressort et la denture soient insérés entre la lunette et la pièce de support, le ressort et la denture coopérant ensemble.In addition, this arrangement makes it possible to produce spectacles from precious materials without the risk of premature wear since the toothing is not integrated into the bezel and it is just attached to said bezel. Indeed, the rotating bezel system is arranged so that the spring and the toothing are inserted between the bezel and the support part, the spring and the toothing cooperating together.

Dans un premier mode de réalisation, l'élément denté et les moyens ressorts sont concentriques l'un par rapport à l'autre.In a first embodiment, the toothed element and the spring means are concentric with respect to one another.

Dans un second mode de réalisation, la lunette et l'élément de support sont agencés de sorte à présenter tous les deux un profil complémentaire de sorte que l'assemblage de la lunette à l'élément de support permet de définir un premier logement dans lequel l'élément denté et les moyens ressorts sont placés.In a second embodiment, the bezel and the support element are arranged so as to both present a complementary profile so that the assembly of the bezel to the support element makes it possible to define a first housing in which the toothed element and the spring means are placed.

Dans un troisième mode de réalisation, l'élément denté sont constitués d'un anneau denté comprenant une denture, les moyens ressorts comprenant un anneau ressort qui comprend des moyens élastiques aptes à coopérer avec la denture agencée sur ledit élément denté.In a third embodiment, the toothed element consist of a toothed ring comprising a toothing, the spring means comprising a spring ring which comprises elastic means able to cooperate with the toothing arranged on said toothed element.

Dans un quatrième mode de réalisation, l'anneau denté et l'anneau ressort sont des anneaux plats coplanaires.In a fourth embodiment, the toothed ring and the spring ring are coplanar flat rings.

Dans un autre mode de réalisation, l'anneau denté comprend une denture sur sa face extérieure et est angulairement solidaire de la carrure, l'anneau ressort étant solidaire de la lunette et de l'élément de support et comprenant au niveau de sa face intérieure, les moyens élastiques aptes à coopérer avec la denture agencée sur ledit anneau denté.In another embodiment, the toothed ring comprises toothing on its outer face and is angularly secured to the middle part, the spring ring being secured to the bezel and to the support element and comprising at its inner face , the elastic means able to cooperate with the teeth arranged on said toothed ring.

Dans un autre mode de réalisation, les moyens élastiques sont des bras s'entendant vers l'intérieur de l'anneau ressort de sorte à exercer un appui sur la denture.In another embodiment, the elastic means are arms extending towards the inside of the spring ring so as to exert a bearing on the teeth.

Dans un autre mode de réalisation, la carrure comprend une paroi latérale dans laquelle est aménagée une excroissance pour former une gorge de sorte qu'une saillie agencée sur l'élément de support puisse coopérer ladite gorge et limiter le déplacement vertical du système de lunette tournante.In another embodiment, the middle comprises a side wall in which is arranged a protuberance to form a groove so that a projection arranged on the support element can cooperate with said groove and limit the vertical displacement of the rotating bezel system. .

Dans un autre mode de réalisation, l'anneau denté comprend au moins un ergot et en ce que la paroi latérale de la carrure comprend au moins un évidement agencé pour que ledit au moins un ergot puisse s'y insérer de sorte à limiter le déplacement angulaire de l'anneau dentée par rapport à la carrure.In another embodiment, the toothed ring comprises at least one lug and in that the side wall of the middle part comprises at least one recess arranged so that said at least one lug can be inserted therein so as to limit the displacement angular of the toothed ring relative to the caseband.

Dans un autre mode de réalisation, l'anneau dentée comprend trois ergots.In another embodiment, the toothed ring comprises three lugs.

Dans un autre mode de réalisation, l'anneau ressort comprend trois bras élastiques répartis angulairement.In another embodiment, the spring ring comprises three elastic arms distributed angularly.

La présente invention concerne également une carrure de pièce d'horlogerie comprenant un épaulement périphérique sur lequel un système de lunette tournante annulaire est monté à rotation, caractérisée en ce que ledit système de lunette tournante est formé d'un module indépendant, ledit module comprenant une lunette annulaire, un élément de support annulaire, un élément denté et des moyens ressorts coopérant élastiquement avec lesdits moyens de crantage, lesdits moyens ressorts et ledit élément denté étant maintenus axialement par la lunette et/ou l'élément de support, ledit système de lunette tournante comprenant en outre des moyens de fixation pour fixer ensemble l'élément denté, l'élément de support et la lunette, les moyens ressorts étant angulairement solidaires de ladite carrure tandis que l'élément denté est angulairement solidaire de la lunette et de l'élément de support pour permettre une indexation de la position du système de lunette tournante par rapport à la carrure.The present invention also relates to a middle part of a timepiece comprising a peripheral shoulder on which an annular rotating bezel system is rotatably mounted, characterized in that said rotating bezel system is formed of an independent module, said module comprising a annular bezel, an annular support element, a toothed element and spring means co-operating elastically with said notching means, said spring means and said toothed element being held axially by the bezel and / or the support element, said bezel system rotating further comprising fixing means for fixing the toothed element, the support element and the bezel together, the spring means being angularly integral with said caseband while the toothed element is angularly integral with the bezel and the bezel. support element to allow indexing of the position of the rotating bezel system relative to the caseband.

Dans un premier mode de réalisation, l'élément denté et les moyens ressorts sont concentriques l'un par rapport à l'autre.In a first embodiment, the toothed element and the spring means are concentric with respect to one another.

Dans un troisième mode de réalisation, l'élément denté est constitué d'un anneau denté comprenant une denture, les moyens ressorts comprenant un anneau ressort qui comprend des moyens élastiques aptes à coopérer avec la denture agencée sur ledit élément denté.In a third embodiment, the toothed element consists of a toothed ring comprising a toothing, the spring means comprising a spring ring which comprises elastic means able to cooperate with the toothing arranged on said toothed element.

Dans un autre mode de réalisation, l'anneau ressort est ouvert et présente au moins une zone ayant un rayon minimal et une zone ayant un rayon maximal de sorte que la zone ayant un rayon maximal coopère avec une creusure agencée dans ledit élément de support et que la zone ayant un rayon minimal coopère avec une gorge agencée sur la carrure.In another embodiment, the spring ring is open and has at least one area having a minimum radius and one area having a maximum radius so that the area having a maximum radius cooperates with a recess arranged in said support member and that the zone having a minimum radius cooperates with a groove arranged on the middle part.

Dans un autre mode de réalisation, ledit anneau ressort comprend deux extrémités dont l'une présente une partie surélevée, ladite partie surélevée comprenant une partie courbe orientée axialement et une partie plane parallèle audit anneau ressort, et en ce que ladite partie plane comprend, sur sa face externe, la denture coopérant avec l'élément denté.In another embodiment, said spring ring comprises two ends, one of which has a raised part, said part raised comprising a curved part oriented axially and a flat part parallel to said spring ring, and in that said flat part comprises, on its external face, the teeth cooperating with the toothed element.

Dans un autre mode de réalisation, la lunette et l'élément de support sont agencés de sorte à présenter tous les deux un profil complémentaire de sorte que l'assemblage de la lunette à l'élément de support permet former un second logement dans lequel l'élément denté est placé, ledit élément de support comprenant une creusure dans lequel les moyens ressorts s'insèrent.In another embodiment, the bezel and the support member are arranged so as to both present a complementary profile so that the assembly of the bezel to the support member allows to form a second housing in which the 'toothed element is placed, said support element comprising a recess in which the spring means are inserted.

La présente invention concerne en outre une pièce d'horlogerie comprenant une boite formée par une carrure fermée par un fond et une glace, caractérisé en ce que la carrure est la carrure selon l'une des revendication précédentes.The present invention further relates to a timepiece comprising a case formed by a middle part closed by a back and a crystal, characterized in that the middle part is the middle part according to one of the preceding claims.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

Les buts, avantages et caractéristiques du système de lunette selon la présente invention apparaîtront plus clairement dans la description détaillée suivante d'au moins une forme de réalisation de l'invention donnée uniquement à titre d'exemple non limitatif et illustrée par les dessins annexés sur lesquels :

  • la figures 1 représente une vue éclatée du système de lunette tournante selon la présente invention ;
  • les figures 2 et 3 représentent une vue de dessous et un agrandissement partiel de cette vue du système de lunette tournante selon la présente invention ;
  • la figures 4 représente une vue de dessus du système de lunette tournante selon la présente invention ;
  • les figures 5 et 6 représentent des vues de profil du système de lunette tournante selon la présente invention ;
  • la figures 7 représente une vue en coupe d'un second mode de réalisation du système de lunette tournante selon la présente invention ;
  • les figures 8 et 9 représentent, respectivement, une vue en coupe et une vue éclatée, d'une variante du second mode de réalisation du système de lunette tournante selon la présente invention ; et
  • la figures 10 représente une vue de dessus de l'anneau ressort du système de lunette tournante selon la présente invention.
The aims, advantages and characteristics of the telescope system according to the present invention will appear more clearly in the following detailed description of at least one embodiment of the invention given solely by way of non-limiting example and illustrated by the accompanying drawings on which :
  • the figures 1 shows an exploded view of the rotating bezel system according to the present invention;
  • the figures 2 and 3 show a bottom view and a partial enlargement of this view of the rotating bezel system according to the present invention;
  • the figures 4 shows a top view of the rotating bezel system according to the present invention;
  • the figures 5 and 6 represent side views of the rotating bezel system according to the present invention;
  • the figures 7 shows a sectional view of a second embodiment of the rotating bezel system according to the present invention;
  • the figures 8 and 9 represent, respectively, a sectional view and an exploded view, of a variant of the second embodiment of the rotating bezel system according to the present invention; and
  • the figures 10 shows a top view of the spring ring of the rotating bezel system according to the present invention.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

La présente invention procède de l'idée générale inventive qui consiste à procurer un système de lunette tournante étant plus simple à monter.The present invention proceeds from the general inventive idea which consists in providing a rotating bezel system which is simpler to assemble.

Un système de lunette tournante est fixé à une carrure comprenant un axe central (C). Le système de lunette tournante comprend une lunette annulaire qui est la partie visible et manipulée par l'utilisateur et un élément de support également annulaire. Le système de lunette tournante comprend également un élément denté placé entre la lunette et l'élément de support. Enfin, le système de lunette tournante comprend des moyens ressorts coopérant avec l'élément denté pour permettre la rotation du système de lunette tournante par rapport à la carrure de la montre, indexer la position de la lunette par rapport à la carrure. Cette rotation est permise car l'élément denté ou les moyens ressorts sont angulairement solidaires de ladite carrure.A rotating bezel system is attached to a caseband comprising a central axis (C). The rotating bezel system comprises an annular bezel which is the part visible and manipulated by the user and a support member which is also annular. The rotating bezel system also includes a toothed member placed between the bezel and the support member. Finally, the rotating bezel system comprises spring means cooperating with the toothed element to allow the rotation of the rotating bezel system relative to the caseband of the watch, indexing the position of the bezel relative to the caseband. This rotation is permitted because the toothed element or the spring means are angularly integral with said middle part.

La figure 1 montre le système de lunette tournante 1 selon un premier mode de réalisation l'invention de façon éclatée de sorte à voir chaque pièce séparément.The figure 1 shows the rotating bezel system 1 according to a first embodiment of the invention in an exploded manner so as to see each part separately.

Dans ce premier mode de réalisation, le système de lunette tournante comprend une lunette 7 qui est la partie visible et manipulée par l'utilisateur. Cette lunette de forme annulaire, comprend une face supérieure 7a visible par l'utilisateur et une face inférieure 7b. Le système de lunette tournante 1 comprend en outre un élément de support ou de prémontage 5 se présentant sous la forme d'une bague annulaire. Cet élément de support 5 comprend un anneau plat 50 ayant une face supérieur 52 et une face inférieure 54. La face supérieure 52 comprend un premier rebord 56 périphérique. La face inférieure 54 comprend un second rebord 58 périphérique et un troisième rebord 60 proche de l'extrémité interne de l'anneau 50. Les seconds 58 et troisièmes 60 rebords définissent alors un logement annulaire 62. Le troisième rebord 60 comprend au moins une saillie 64 s'étendant vers l'axe central de l'anneau 50. De préférence, le troisième rebord 60 comprend une unique saillie 64 parcourant la totalité dudit rebord 60.In this first embodiment, the rotating bezel system comprises a bezel 7 which is the part visible and manipulated by the user. This ring-shaped bezel comprises an upper face 7a visible to the user and a lower face 7b. The rotating bezel system 1 further comprises a support or pre-assembly element 5 in the form of an annular ring. This support member 5 comprises a flat ring 50 having an upper face 52 and a lower face 54. The upper face 52 comprises a first peripheral flange 56. The lower face 54 comprises a second peripheral rim 58 and a third rim 60 close to the internal end of the ring 50. The second 58 and third 60 rims then define an annular housing 62. The third rim 60 comprises at least one projection 64 extending towards the central axis of the ring 50. Preferably, the third rim 60 comprises a single projection 64 extending through the whole of said rim 60.

Le système de lunette tournante 1, visible aux figures 2 à 4, comprend en outre un ensemble ressort-crantage 10 ou système à encliquetage. Cet ensemble ressort-crantage 10 comprend des moyens ressorts 9 et un élément denté 19. Les moyens ressorts 9 comprennent un anneau 11 muni de moyens élastiques 13. Ces moyens élastiques 13 se présentent, par exemple, sous la forme de bras élastiques 15 agencés dans l'anneau 11 de sorte à ne pas faire saillie. Ces bras 15 sont agencés pour présenter, à leur extrémité libre, une inclinaison vers l'intérieur de l'anneau ressort 9. Chaque bras 15 est réalisée en entaillant ledit anneau ressort 11 de sorte qu'un évidement 17 apparaissent entre chaque bras 15 et le corps de l'anneau 11. Chaque bras 15 a une épaisseur qui diminue lorsqu'on se rapproche de l'extrémité 15a. Dans le présent exemple, l'anneau ressort comprend 3 bras élastiques répartis angulairement tout les 120°.The rotating bezel system 1, visible at figures 2 to 4 , further comprises a spring-locking assembly 10 or snap-fit system. This spring-detent assembly 10 comprises spring means 9 and a toothed element 19. The spring means 9 comprise a ring 11 provided with elastic means 13. These elastic means 13 are, for example, in the form of elastic arms 15 arranged in the ring 11 so as not to protrude. These arms 15 are arranged to have, at their free end, an inclination towards the inside of the spring ring 9. Each arm 15 is produced by notching said spring ring 11 so that a recess 17 appears between each arm 15 and the body of the ring 11. Each arm 15 has a thickness which decreases as one approaches the end 15a. In the present example, the spring ring comprises 3 elastic arms distributed angularly every 120 °.

En effet, l'élément denté 19 comprend un anneau denté 21 dont la paroi externe 21a est munie d'une denture 23 et dont la paroi interne 21b présente des ergots ou saillies 25 ici au nombre de trois. Cet élément denté 19 est agencé pour s'insérer dans les moyens ressort 9, c'est à dire que l'anneau denté 21 est dimensionné pour pourvoir être placé dans ledit anneau ressort 11. L'anneau denté 21 et l'anneau ressort 11 sont concentriques et coplanaires Cette configuration permet, lorsque l'anneau denté 21 est inséré à l'intérieur de l'anneau ressort 11, que les moyens élastiques 13 coopèrent avec la denture 23 du fait de l'inclinaison des bras 15. Dans cette configuration, chaque bras 15 est en contact avec la denture 23 tel qu'il existe une position de repos dans laquelle l'extrémité 15a de chaque bras 15 se trouve dans un creux de la denture 23. Cette inclinaison du bras 15 vers l'intérieur de l'anneau ressort 11 est utilisée pour permettre l'unidirectionnalité de la rotation de l'anneau ressort 11 par rapport à l'anneau denté 21. La denture 23 et les moyens élastiques 13 sont agencés pour que l'anneau ressort 11 puisse tourner par rapport à l'anneau denté 21 dans un sens défini : horaire ou anti-horaire. Bien entendu, il est possible que la denture 23 et les moyens élastiques 13 soient agencés pour que l'anneau ressort 11 puisse tourner dans l'un et/ou l'autre des deux sens : horaire ou anti horaire.Indeed, the toothed element 19 comprises a toothed ring 21 whose outer wall 21a is provided with toothing 23 and whose inner wall 21b has lugs or projections 25 here three in number. This toothed element 19 is arranged to fit into the spring means 9, that is to say that the toothed ring 21 is dimensioned to be able to be placed in said spring ring 11. The toothed ring 21 and the spring ring 11 are concentric and coplanar This configuration allows, when the toothed ring 21 is inserted inside the spring ring 11, that the means elastics 13 cooperate with the teeth 23 due to the inclination of the arms 15. In this configuration, each arm 15 is in contact with the teeth 23 such that there is a rest position in which the end 15a of each arm 15 is located in a hollow of the toothing 23. This inclination of the arm 15 towards the inside of the spring ring 11 is used to allow the unidirectionality of the rotation of the spring ring 11 relative to the toothed ring 21. The teeth 23 and the elastic means 13 are arranged so that the spring ring 11 can rotate relative to the toothed ring 21 in a defined direction: clockwise or anti-clockwise. Of course, it is possible that the teeth 23 and the elastic means 13 are arranged so that the spring ring 11 can rotate in one and / or the other of the two directions: clockwise or anti-clockwise.

Cet ensemble ressort-crantage 10 est alors placé sur la face supérieure 52 de l'élément de support 5. Cet élément de support 5 et la lunette 7 sont fixés ensembles via des moyens de fixation 27 comme par exemple des vis, et définissent alors un premier logement 51 dans lequel les moyens ressorts 9 et l'élément denté 19 sont placés. Ces moyens de fixation 27 traversent alors l'ensemble ressort-crantage 10. Pour cela, l'élément de support 5, la lunette 7 et ledit ensemble ressort-crantage 10 comprennent des ouvertures 12 permettant auxdits moyens de fixation 27 de le traverser. Ces ouvertures 12 sont agencées au niveau de l'anneau ressort 11. La conséquence est que cette anneau ressort 11 devient solidaire de l'élément de support 5 et de la lunette 7. Les moyens de fixation 27 peuvent aussi être de la colle ou des rivets ou autres.This spring-detent assembly 10 is then placed on the upper face 52 of the support element 5. This support element 5 and the bezel 7 are fixed together via fixing means 27 such as for example screws, and then define a first housing 51 in which the spring means 9 and the toothed element 19 are placed. These fixing means 27 then pass through the spring-detent assembly 10. For this, the support element 5, the bezel 7 and said spring-detent assembly 10 comprise openings 12 allowing said fixing means 27 to pass through it. These openings 12 are arranged at the level of the spring ring 11. The consequence is that this spring ring 11 becomes integral with the support element 5 and the bezel 7. The fixing means 27 can also be glue or glue. rivets or others.

Le système de lunette est alors assemblé à la pièce d'horlogerie comme visible aux figures 5 et 6. Cette pièce d'horlogerie comprend une carrure 3. Cette carrure 3 comprend un épaulement 300 défini par une paroi latérale 302 et une base 304. Cet épaulement 300 sert de logement pour le système de lunette tournante 1. La paroi latérale 302 comprend une excroissance 306 s'étendant sur l'intégralité du périmètre de la paroi latérale 302. Cette excroissance 306 permet de définir, en coopération avec la base 304 et la paroi 302, une gorge de maintien 308. Cette gorge de maintien 308 permet, lors de l'assemble du système de lunette tournante 1 sur la carrure 3, que la saillie 64 puisse s'y insérer. Cette insertion se fait à force pour que le système de lunette tournante 1 soit maintenu verticalement à la carrure 3.The bezel system is then assembled to the timepiece as visible to the figures 5 and 6 . This timepiece comprises a middle part 3. This middle part 3 comprises a shoulder 300 defined by a side wall 302 and a base 304. This shoulder 300 serves as a housing for the rotating bezel system 1. The side wall 302 comprises a protuberance 306 extending over the entire perimeter of the wall lateral 302. This protuberance 306 makes it possible to define, in cooperation with the base 304 and the wall 302, a retaining groove 308. This retaining groove 308 allows, when assembling the rotating bezel system 1 on the middle part 3, that the projection 64 can be inserted therein. This insertion is done by force so that the rotating bezel system 1 is held vertically to the caseband 3.

Les ergots 25 ou saillies de l'anneau denté 21 sont utilisés pour fixer ledit système de lunette tournante à la pièce d'horlogerie.The lugs 25 or projections of the toothed ring 21 are used to fix said rotating bezel system to the timepiece.

La carrure comprend en outre au moins un évidement 310. Dans ledit exemple, trois évidements 310 sont réalisés, le nombre d'évidements 310 est identique à celui des ergots 25. En effet, ces évidements 310, agencés sur la paroi latérale 302, ont une forme identique ou sensiblement identique à celle des ergots 25 de la paroi interne 21b de l'anneau denté 21. Lors de l'assemblage du système de lunette tournante 1 à la carrure 3 de la pièce d'horlogerie, chacun des ergots 25 s'insère dans un évidement 310 de la carrure 3. Le but de ces évidements 310 est de bloquer le système de lunette tournante 1 en rotation par rapport à la carrure 3.The middle also comprises at least one recess 310. In said example, three recesses 310 are made, the number of recesses 310 is identical to that of the lugs 25. In fact, these recesses 310, arranged on the side wall 302, have a shape identical or substantially identical to that of the lugs 25 of the internal wall 21b of the toothed ring 21. When assembling the rotating bezel system 1 to the middle part 3 of the timepiece, each of the lugs 25 s 'inserted into a recess 310 of the middle part 3. The purpose of these recesses 310 is to block the rotating bezel system 1 in rotation with respect to the middle part 3.

Effectivement, ledit système de lunette tournante 1 est fixé axialement, verticalement à la carrure 3 par la saillie 64 insérée dans la gorge de maintien 308. Néanmoins le système de lunette tournante 1 n'est pas bloquée en rotation et peut donc tourner par rapport à la carrure 3 lorsque l'utilisateur tourne la lunette. Seule la force de frottement entre la paroi 302 et la base 304 de la carrure 3 et les parois extérieures du système de lunette tournante 1 agissent pour empêcher une telle rotation.Indeed, said rotating bezel system 1 is fixed axially, vertically to the middle part 3 by the projection 64 inserted into the retaining groove 308. However, the rotating bezel system 1 is not blocked in rotation and can therefore rotate with respect to caseband 3 when the user turns the bezel. Only the frictional force between the wall 302 and the base 304 of the middle part 3 and the outer walls of the rotating bezel system 1 acts to prevent such rotation.

Or, avec les ergots 25 insérés dans les évidements de la série d'évidements, on empêche la rotation de l'anneau denté 21 par rapport à la carrure 3. Cet anneau denté 21 est donc solidaire en rotation de la carrure. Comme cet anneau denté 21 est inséré dans le système de lunette tournante 1 et coopère avec l'anneau ressort 11, seul l'ensemble constitué de la lunette tournante, de l'anneau ressort 11 et de l'élément de support 5 de peut être mis en rotation par rapport à la carrure.However, with the lugs 25 inserted in the recesses of the series of recesses, the rotation of the toothed ring 21 relative to the middle part 3. This toothed ring 21 is therefore integral in rotation with the middle part. As this toothed ring 21 is inserted into the rotating bezel system 1 and cooperates with the spring ring 11, only the assembly constituted of the rotating bezel, of the spring ring 11 and of the support element 5 of can be rotated relative to the caseband.

Comme dit précédemment, la denture 23 et les moyens ressort 13 sont agencés pour définir le sens de la rotation de la lunette tournante 7 par rapport à l'anneau denté 21 c'est-à-dire par rapport à la carrure 3. Quand l'utilisateur se saisit de la lunette 7 et la tourne, deux réactions distinctes peuvent se produire.As said previously, the toothing 23 and the spring means 13 are arranged to define the direction of rotation of the rotating bezel 7 relative to the toothed ring 21, that is to say relative to the caseband 3. When the The user takes hold of the bezel 7 and turns it, two distinct reactions can occur.

Premièrement l'utilisateur tourne la lunette 7 dans le sens inverse au sens désiré et celle-ci ne tourne pas. En effet, les bras élastiques 15 sont formés pour que l'extrémité 15a de chaque bras 15 fasse obstacle à la rotation. Quand la rotation de la lunette 7 et donc de l'anneau ressort 11 n'est pas faite dans le bon sens, l'inclinaison des bras 15 provoque un appui de l'extrémité 15a sur la denture 23 de sorte que le bras 15 ne puisse pas passer par-dessus la denture 23. Plus l'utilisateur tourne la lunette 7 et donc de l'anneau ressort 11 dans le mauvais sens et plus l'appui de l'extrémité 15a sur la denture 23 est fort. Il en résulte alors une impossibilité pour la lunette de tourner. De façon particulière, les bras 15 ont une forme recourbée à leur extrémité 15a de sorte que l'extrémité va appuyer sur le creux entre deux crans. Le blocage peut être amélioré en courbant l'extrémité 15a de chaque bras 15 de sorte que la courbure de ladite extrémité 15a épouse la forme des crans de la denture 23.First, the user turns the bezel 7 in the opposite direction to the desired direction and the latter does not turn. Indeed, the elastic arms 15 are formed so that the end 15a of each arm 15 is an obstacle to rotation. When the rotation of the bezel 7 and therefore of the spring ring 11 is not made in the right direction, the inclination of the arms 15 causes the end 15a to rest on the teeth 23 so that the arm 15 does not cannot pass over the toothing 23. The more the user turns the bezel 7 and therefore the spring ring 11 in the wrong direction, the stronger the pressure of the end 15a on the toothing 23 is. This then results in the inability of the bezel to rotate. In particular, the arms 15 have a curved shape at their end 15a so that the end will press on the hollow between two notches. Locking can be improved by bending the end 15a of each arm 15 so that the curvature of said end 15a matches the shape of the notches of the teeth 23.

Deuxièmement, lorsque la lunette est tournée dans le sens auquel il est prévu qu'elle tourne, celle-ci tourne. Effectivement, dans ce cas la, la lunette 7 et donc l'anneau ressort 11 sont tournés dans le bon sens dans lequel les bras 15 ne font pas obstacle à la rotation car, dans ce sens, l'extrémité 15a des bras 15 ne fait pas appui sur la denture 23. Ce sont les crans de la denture 23 qui appuient sur les bras 15. Ces bras 15 élastiques se déplace radialement en direction de l'anneau ressort 11 jusque ce que les bras 15 entrent en contact avec ledit anneau ressort 11.Second, when the bezel is rotated in the direction it is intended to rotate, it rotates. Indeed, in this case, the bezel 7 and therefore the spring ring 11 are rotated in the right direction in which the arms 15 do not obstruct the rotation because, in this direction, the end 15a of the arms 15 does not obstruct the rotation. not support on the toothing 23. These are the notches of the toothing 23 which press on the arms 15. These elastic arms 15 move radially in the direction of the spring ring 11 until the arms 15 come into contact with said spring ring 11.

Ainsi, en changeant l'orientation des bras élastiques 15, on est capable de changer le sens de rotation de la lunette. Si les bras 15 sont orientés dans le sens horaire, la lunette 7 sera unidirectionnelle dans le sens contraire au sens horaire et inversement. Cette configuration peut être réalisée en retournant simplement l'anneau ressort de sorte à changer le sens des bras élastiques. Par ailleurs, le système de lunette tournante 1 peut être bidirectionnel en réalisant des bras élastiques qui n'exercent pas un appui sur l'anneau dentée 21 quand l'utilisateur tourne la lunette 7. Pour cela, il peut être prévu que les bras 15 s'étendent radialement de sorte que, dans l'un ou l'autre des sens de rotation, ces bras n'exercent pas d'appui sur la denture 23. On obtient donc un système de lunette tournante prémonté et facile à ajuster.Thus, by changing the orientation of the elastic arms 15, it is possible to change the direction of rotation of the bezel. If the arms 15 are oriented in the clockwise direction, the bezel 7 will be unidirectional in the opposite direction to the clockwise direction and vice versa. This configuration can be achieved by simply turning the spring ring over so as to change the direction of the elastic arms. Furthermore, the rotating bezel system 1 can be bidirectional by producing elastic arms which do not press on the toothed ring 21 when the user turns the bezel 7. For this, it can be provided that the arms 15 extend radially so that, in one or the other of the directions of rotation, these arms do not exert support on the toothing 23. A pre-assembled rotating bezel system is therefore obtained which is easy to adjust.

Un avantage de ce système de lunette tournante 1 est de pouvoir réaliser facilement des lunettes tournantes en matériaux précieux. Effectivement, l'anneau denté 21 est indépendant de la lunette c'est-à-dire qu'il n'est pas fixé à celle-ci. Il n'y a donc pas de contrainte spécifique. La lunette peut, en conséquence, être réalisée en matériaux précieux sans que cela ne pose des problèmes de fabrication puisque l'anneau dentée 21 et l'anneau ressort 11 sont toujours en acier, c'est-à-dire en matériaux présentant une usure moindre que les matériaux précieux.An advantage of this rotating bezel system 1 is that it is easily possible to produce rotating bezels from precious materials. Indeed, the toothed ring 21 is independent of the bezel, that is to say it is not attached to the latter. There is therefore no specific constraint. The bezel can, therefore, be made of precious materials without this posing manufacturing problems since the toothed ring 21 and the spring ring 11 are always made of steel, that is to say of materials exhibiting wear. less than precious materials.

Dans un second mode de réalisation visible à la figure 7, le système de lunette tournante 1 comprend une lunette 1070 qui est la partie visible et manipulée par l'utilisateur. Cette lunette de forme annulaire, comprend une face supérieure visible par l'utilisateur et une face inférieure. Le système de lunette tournante 1 comprend en outre un élément de support 1050. Cet élément de support 1050 comprend un anneau plat 1051 ayant une face supérieur et une face inférieure. La face supérieure comprend un premier rebord périphérique 1052 ayant un profil à escalier. On comprend ainsi que ledit rebord présente plusieurs niveaux ou surface d'appui. Au minimum, le premier rebord périphérique 1052 comprendra au moins un niveau intermédiaire, l'élément de support 1050 comprend ainsi trois surfaces d'appui à trois hauteurs différentes. La face inférieure comprend un second rebord périphérique 1053. Ce dernier comprend un évidement 1054 parcourant la surface intérieure du second rebord 1053 de sorte à former un évidement circulaire. La lunette 1070 présente également un profil en forme d'escalier mais inversé. Ce profil en forme d'escalier est réalisé pour coopérer avec le profil de l'élément de support 1050.In a second embodiment visible at figure 7 , the rotating bezel system 1 comprises a bezel 1070 which is the part visible and manipulated by the user. This ring-shaped bezel comprises an upper face visible to the user and a lower face. The rotating bezel system 1 further comprises a support member 1050. This support member 1050 comprises a flat ring 1051 having an upper face and a lower face. The upper face includes a first peripheral rim 1052 having a stepped profile. It is thus understood that said rim has several levels or bearing surface. At a minimum, the first peripheral rim 1052 will include at least one level intermediate, the support element 1050 thus comprises three support surfaces at three different heights. The lower face comprises a second peripheral rim 1053. The latter comprises a recess 1054 running through the interior surface of the second rim 1053 so as to form a circular recess. The 1070 bezel also has a staircase-shaped profile but inverted. This profile in the form of a staircase is made to cooperate with the profile of the support element 1050.

Le système de lunette tournante 10, visible aux figures 7 et 9, comprend en outre un ensemble ressort-crantage. Cet ensemble ressort-crantage comprend des moyens ressorts 1090 et un élément denté 1190. L'élément denté 1190 comprend un anneau denté 1191 dont la paroi interne comprend une denture 1192 et dont la paroi externe 1193 comprend des ergots ou saillies 1194 ici au nombre de trois. Cet élément denté 1190 est agencé pour s'insérer dans l'élément de support 1050. Plus précisément, l'anneau denté 1191 est placé sur la surface d'appui la plus basse. Afin de bloquer angulairement l'élément denté 1190, l'élément de support 1050 comprend des creusures 1055. Le nombre de ces creusures 1055 est égal au nombre d'ergots ou de saillies 1194 situés sur la paroi externe 1193 de l'anneau denté 1191. Les creusures 1055 sont agencées pour que, lorsque l'anneau dentée 1191 est placé dans de support 1050, les ergots ou saillies 1194 s'insèrent dans lesdites creusures 1055 permettant le blocage angulaire dudit anneau denté 1191. La lunette 1070 est ensuite fixée à l'élément de support. Lors de ce montage, le profil en escalier inversé de la lunette 1070 coopère avec le profil en escalier de l'élément de support 1050. Les dimensions de ceux-ci sont calculées de sorte que le profil en escalier inversé de la lunette 1070 coopère et le profil en escalier de l'élément de support 1050 s'imbriquent l'un dans l'autre ménageant un second logement 1156 dans lequel l'élément denté s'insère. La lunette 1070 appuie, de ce fait, sur l'élément denté 1190 afin de bien les maintenir dans l'élément de support 1050. La lunette 1070 peut être chassée ou vissée ou collée.The rotating bezel system 10, visible at figures 7 and 9 , further comprises a spring-detent assembly. This spring-detent assembly comprises spring means 1090 and a toothed element 1190. The toothed element 1190 comprises a toothed ring 1191 whose internal wall comprises toothing 1192 and whose external wall 1193 comprises lugs or projections 1194 here in number of three. This toothed element 1190 is arranged to fit into the support element 1050. More precisely, the toothed ring 1191 is placed on the lowest bearing surface. In order to angularly block the toothed element 1190, the support element 1050 comprises recesses 1055. The number of these recesses 1055 is equal to the number of lugs or projections 1194 located on the outer wall 1193 of the toothed ring 1191 The recesses 1055 are arranged so that, when the toothed ring 1191 is placed in the support 1050, the lugs or projections 1194 fit into said recesses 1055 allowing the angular locking of said toothed ring 1191. The bezel 1070 is then fixed to the support element. During this assembly, the inverted staircase profile of the bezel 1070 cooperates with the staircase profile of the support member 1050. The dimensions thereof are calculated so that the inverted staircase profile of the bezel 1070 cooperates and the stepped profile of the support member 1050 interlock with each other providing a second housing 1156 into which the toothed member fits. The bezel 1070 therefore bears on the toothed element 1190 in order to hold them securely in the support element 1050. The bezel 1070 can be driven out or screwed or glued.

Les moyens ressorts 1090 comprennent un anneau ressort 1900 ouvert ou non fermé présentant une paroi externe 1901 et une paroi interne 1903. Cet anneau ressort 1900 comprend au moins une zone présentant un rayon de courbure plus petit 1902 que le rayon de courbure dudit anneau non fermé. On comprend alors que ledit anneau ressort 1900 comprend au moins une zone 1904 présentant un rayon maximal et au moins une zone 1902 présentant un rayon minimal. Dans le cas représenté aux figures 9 et 10, l'anneau ressort 1900 comprend trois zones présentant un rayon de courbure plus petit 1902 que le rayon de courbure dudit anneau non fermé, espacées angulairement de façon régulière. Ledit anneau non fermé présente également, à une de ses extrémités 1906, une surélévation 1908. On entend par là que ladite extrémité 1906 comprend une partie courbe 1906a présentant une courbure verticale ou axiale de sorte que cette extrémité 1906 soit surélevée et une partie plane 1906b parallèle au plan de l'anneau ressort 1901.The spring means 1090 comprise an open or non-closed spring ring 1900 having an outer wall 1901 and an inner wall 1903. This spring ring 1900 comprises at least one zone having a radius of curvature smaller 1902 than the radius of curvature of said non-closed ring . It will then be understood that said spring ring 1900 comprises at least one zone 1904 having a maximum radius and at least one zone 1902 having a minimum radius. In the case shown in figures 9 and 10 , the spring ring 1900 comprises three zones having a radius of curvature smaller 1902 than the radius of curvature of said non-closed ring, spaced angularly in a regular manner. Said non-closed ring also has, at one of its ends 1906, an elevation 1908. By this is meant that said end 1906 comprises a curved part 1906a having a vertical or axial curvature so that this end 1906 is raised and a flat part 1906b parallel to the plane of the spring 1901 ring.

Sur la paroi externe 1901 de la partie surélevée 1908, une denture 1910, destinée à coopérer avec la denture 1192 de l'anneau dentée 1191, est agencée. En effet, lorsque l'anneau ressort 1900 est monté dans le système de lunette tournante 10, ledit anneau ressort 1900 est inséré dans la creusure 1054 circulaire du second rebord 1053. La surélévation de la partie surélevée 1908 est alors calculée pour que cette dernière se trouve en regard de l'anneau denté 1191. De ce fait, la denture 1910 de la face externe 1901 de la partie surélevée 1908 vient en contact de la denture 1192 de la face interne de l'anneau denté 1191. Cette coopération permet de déterminer le sens de rotation du système de lunette tournante 10. Pour cela, la denture 1910 de la partie surélevée 1908 et la denture 1192 de la face interne de l'anneau denté 1191 sont configurées pour que chaque dent comprenne une face inclinée et une face confondue avec le rayon de l'anneau denté 1191 ou de l'anneau ressort 1901. Lorsque l'anneau ressort 1901 est monté dans le système de lunette tournante 10, la face inclinée de chaque dent de la denture de l'anneau ressort prend appui sur la face inclinée de chaque dent de la denture 1192 de l'anneau denté 1191. La rotation du système 10 est unidirectionnelle c'est-à-dire que la rotation peut se faire dans le sens horaire ou le sens anti-horaire mais il est possible que la rotation soit bidirectionnelle.On the outer wall 1901 of the raised part 1908, a set of teeth 1910, intended to cooperate with the teeth 1192 of the toothed ring 1191, is arranged. In fact, when the spring ring 1900 is mounted in the rotating bezel system 10, said spring ring 1900 is inserted into the circular recess 1054 of the second flange 1053. The elevation of the raised part 1908 is then calculated so that the latter fits. located opposite the toothed ring 1191. Therefore, the toothing 1910 of the external face 1901 of the raised part 1908 comes into contact with the toothing 1192 of the internal face of the toothed ring 1191. This cooperation makes it possible to determine the direction of rotation of the rotating bezel system 10. For this, the toothing 1910 of the raised part 1908 and the toothing 1192 of the internal face of the toothed ring 1191 are configured so that each tooth comprises an inclined face and a coincident face with the radius of the toothed ring 1191 or of the spring ring 1901. When the spring ring 1901 is mounted in the rotating bezel system 10, the inclined face of each tooth of the spring ring teeth is supported on the inclined face of each tooth of the teeth 1192 of the toothed ring 1191. The rotation of the system 10 is unidirectional, that is to say that the rotation can be done in the clockwise or anti-clockwise direction but it the rotation may be bidirectional.

L'anneau ressort 1901 est réalisé de sorte qu'une fois installé dans l'élément de support 1050, seules les zones 1902 dont le rayon de courbure est plus faible que le rayon de courbure de l'anneau ressort soient disposées dans la creusure 1054 circulaire du second rebord 1053, cela étant du au fait que ces zones sont plus éloignées du centre de l'anneau ressort 1900 que le reste dudit anneau.The spring ring 1901 is made so that once installed in the support element 1050, only the areas 1902 whose radius of curvature is smaller than the radius of curvature of the spring ring are arranged in the recess 1054 circular of the second flange 1053, this being due to the fact that these zones are further from the center of the spring ring 1900 than the rest of said ring.

Un avantage de cet agencement est d'avoir un système de lunette tournante 1 qui peut être assemblé préalablement ce qui facilite l'assemblage final de la montre.An advantage of this arrangement is to have a rotating bezel system 1 which can be assembled beforehand, which facilitates the final assembly of the watch.

Lors du montage du système de lunette tournante 10 sur la carrure 1300 de la montre, le chassage dudit système de lunette tournante 10 entraîne l'application d'une contrainte sur les moyens ressorts 1090. Cette contrainte a pour conséquence une augmentation du diamètre de l'anneau ressort 1901, ce dernier ayant tendance à entrer entièrement dans la creusure 1054 circulaire du second rebord 1053 ce qui facilite le chassage.When mounting the rotating bezel system 10 on the middle part 1300 of the watch, the driving of said rotating bezel system 10 causes a stress to be applied to the spring means 1090. This stress results in an increase in the diameter of the watch. 'spring ring 1901, the latter tending to enter entirely into the circular recess 1054 of the second flange 1053 which facilitates driving.

Lorsque l'anneau ressort 1901 se trouve en regard de la gorge 1308 située sur la carrure 1300, la contrainte exercée sur ledit anneau ressort 1901 diminue. Ce dernier se détend pour reprendre sa position initiale. Les zones de l'anneau ressort les moins éloignés du centre 1904 dudit anneau ressort, en se détendant, s'insère dans la gorge 1308 de la carrure 1300 pour permettre un maintien vertical.When the spring ring 1901 is located opposite the groove 1308 located on the middle part 1300, the stress exerted on said spring ring 1901 decreases. The latter relaxes to resume its initial position. The zones of the spring ring that are the least distant from the center 1904 of said spring ring, by relaxing, are inserted into the groove 1308 of the middle part 1300 to allow vertical maintenance.

Par ailleurs, l'anneau ressort présente sur sa face interne 1903, au moins une saillie 1912. Cette saillie 1912 est réalisée pour coopérer avec un évidement 1309 situé sur la carrure 1300. Cet évidement 1309 est placé de sorte que la saillie 1912 s'y insère lorsque le système de lunette tournante 10 est monté sur la carrure. Cette coopération induit un verrouillage angulaire de l'anneau ressort 1901 par rapport à la carrure 1300.Furthermore, the spring ring has on its internal face 1903, at least one projection 1912. This projection 1912 is made to cooperate with a recess 1309 located on the middle 1300. This recess 1309 is placed so that the projection 1912 s' inserts there when the bezel system rotating 10 is mounted on the middle part. This cooperation induces angular locking of the spring ring 1901 with respect to the caseband 1300.

On obtient alors un anneau ressort 1901 angulairement solidaire de la carrure 1300 et un ensemble formé par la lunette 1070, l'élément de support 1050 et l'anneau dentée 1191 qui peut tourner autour de la carrure 1300 dans au moins un sens prédéterminé. Effectivement, lorsque l'utilisateur décide de tourner le système de lunette tournante 10, il a deux possibilités : soit il tourne le système de lunette tournante 10 dans le sens dans lequel il est prévu qu'il tourne, soit dans le sens inverse. Suivant le sens dans lequel l'utilisateur tourne, les dents de l'anneau ressort et les dents de l'anneau denté 1191 glissent l'une sur l'autre pour s'engrainer ou appuient l'une sur l'autre pour bloquer la rotation.A spring ring 1901 is then obtained which is angularly integral with the middle part 1300 and an assembly formed by the bezel 1070, the support element 1050 and the toothed ring 1191 which can rotate around the middle part 1300 in at least one predetermined direction. Indeed, when the user decides to turn the rotating bezel system 10, he has two possibilities: either he turns the rotating bezel system 10 in the direction in which it is intended to rotate, or in the opposite direction. Depending on the direction in which the user turns, the teeth of the spring ring and the teeth of the toothed ring 1191 slide over each other to engage or press against each other to block the rotation.

Un avantage du système de lunette tournante selon ce second mode de réalisation est que son montage sur la carrure est facilité car la contrainte à exercer est plus faible. En effet, dans les systèmes 10 connus, le maintien vertical est réalisé par chassage d'un élément rigide ce qui impose d'exercer une force important pour chasser le système de lunette tournante 10. Cela entraîne par ailleurs que l'opération de désolidarisation du système de lunette tournante 10 de la carrure 3 est très compliquée car le risque de briser ledit système est important. Or, le système de lunette tournante selon l'invention utilise un élément élastique pour assurer le maintien vertical. C'est l'anneau ressort 1901 qui est utilisé pour le maintien vertical ou axial et qui se déforme lors de l'opération de chassage. La contrainte devant être appliquée pour assembler le système de lunette tournante 10 selon l'invention à la carrure est donc moins importante. La conséquence est qu'il est possible que l'opération de désolidarisation du système de lunette tournante de la carrure soit moins compliquée et que le risque de casser ledit système de lunette tournante soit moins grand.An advantage of the rotating bezel system according to this second embodiment is that it is easier to mount on the middle part because the stress to be exerted is lower. In fact, in the known systems 10, the vertical retention is achieved by driving a rigid element which requires exerting a significant force to drive out the rotating bezel system 10. This also results in the operation of disconnecting the rotating bezel system 10 of the middle part 3 is very complicated because the risk of breaking said system is high. However, the rotating bezel system according to the invention uses an elastic element to ensure vertical maintenance. It is the spring ring 1901 which is used for vertical or axial retention and which deforms during the driving operation. The constraint that must be applied to assemble the rotating bezel system 10 according to the invention to the caseband is therefore less important. The consequence is that it is possible that the operation of separating the rotating bezel system from the middle part is less complicated and that the risk of breaking said rotating bezel system is less.

Un avantage commun aux deux modes de réalisations est que le choix du sens de rotation du système de lunette tournante peut être facilement changé en remplaçant, dans le système de lunette tournante, l'anneau ressort 11, 1901 et l'anneau denté 21, 1191.An advantage common to both embodiments is that the choice of the direction of rotation of the rotating bezel system can be easily changed by replacing, in the rotating bezel system, the spring ring 11, 1901 and the toothed ring 21, 1191 .

Dans une variante du second mode de réalisation visible à la figure 8, l'élément de support 1050 comprend en outre un élément d'étanchéité 1200. En effet, pour une utilisation de la lunette sur une montre de plongée ou pour simplement protéger ladite lunette des infiltrations d'eau, un joint 1201 est placé dans le système de lunette tournante 10 pour l'étanchéifier. Pour cela, le profil de l'élément de support 1050 présente un niveau intermédiaire supplémentaire c'est-à-dire une surface d'appui supplémentaire. Cette surface d'appui supplémentaire est utilisée pour permettre l'installation du joint d'étanchéité. Ce joint 1201 est alors coincé entre la lunette 1070 et l'élément de support 1050. De préférence, le niveau intermédiaire supplémentaire est dimensionné de sorte que, lorsque le joint 1201 est installé, le profil de l'élément de support avec le joint est identique au profil de l'élément de support 1050 du second mode de réalisation c'est-à-dire sans joint d'étanchéité. Cela permet de ne modifier que l'élément de support 1050 et non la lunette.In a variant of the second embodiment visible at figure 8 , the support element 1050 further comprises a sealing element 1200. Indeed, for use of the bezel on a diving watch or simply to protect said bezel from water infiltration, a seal 1201 is placed in the rotating bezel system 10 to seal it. For this, the profile of the support element 1050 has an additional intermediate level, that is to say an additional bearing surface. This additional bearing surface is used to allow the installation of the gasket. This gasket 1201 is then wedged between the bezel 1070 and the support member 1050. Preferably, the additional intermediate level is dimensioned so that, when the gasket 1201 is installed, the profile of the support member with the gasket is. identical to the profile of the support element 1050 of the second embodiment, that is to say without a seal. This makes it possible to modify only the support element 1050 and not the telescope.

On comprendra que diverses modifications et/ou améliorations et/ou combinaisons évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention exposée ci-dessus sans sortir du cadre de l'invention définie par les revendications annexées.It will be understood that various modifications and / or improvements and / or combinations obvious to a person skilled in the art can be made to the various embodiments of the invention described above without departing from the scope of the invention defined by the appended claims.

Claims (18)

  1. Annular rotary bezel system (1) arranged to be mounted for rotation on a peripheral shoulder (300) of a timepiece middle (3), said rotary bezel system (1) being formed by a premounted module, said module comprising an annular bezel (7), an annular support element (5), a toothed element (19) and spring means (9) cooperating elastically with the toothed element, said spring means and said toothed element being arranged to be placed between the bezel and the support element so as to be held axially, the toothed element (19) being arranged to be angularly integral with said middle, whereas the spring means (9) are angularly integral with the bezel (7) and with the support element (5) so that the spring means (9), the bezel (7) and the support element (5) can rotate together to allow positive location of the position of the rotary bezel system with respect to the middle, said rotary bezel system being characterised in that it further comprises fixing means (27) for fixing together the spring means (9), the support element (5) and the bezel (7).
  2. Rotary bezel system according to claim 1, characterised in that the toothed element (19) and the spring means (9) are concentric with each other.
  3. Rotary bezel system according claims 1 or 2, characterised in that the bezel (7) and the support element (5) are arranged so that both have a complementary profile so that the assembly of the bezel to the support element defines a first housing (51) in which the toothed element (19) and the spring means (9) are placed.
  4. Rotary bezel system according to one of the preceding claims, characterised in that the toothed element (19) is formed of a toothed ring (21) provided with a toothing (23), the spring means (9) being formed of a spring ring (11) comprising elastic means (13) able to cooperate with the toothing (23) of said toothed ring (21).
  5. Rotary bezel system according to claim 4, characterised in that the toothed ring (21) and the spring ring (11) are coplanar flat rings.
  6. Rotary bezel system according to claims 4 or 5, characterised in that the toothed ring (21) comprises said toothing (23) on the outer face thereof and is angularly arranged to be integral with the middle (3), the spring ring (11) being integral with the bezel (7) and with the support element (5) and comprising, on the inner face thereof, the elastic means (13) able to cooperate with the toothing (23) arranged on said toothed ring.
  7. Rotary bezel system according to claim 6, characterised in that the elastic means (13) are arms (15) extending towards the interior of the spring ring (11) to exert a pressure on the toothing (23).
  8. Rotary bezel system according to one of the preceding claims, characterised in that the shoulder (300) comprises a lateral wall (302), parallel to the central axis of the middle, in which is arranged a raised portion (306) forming a groove (308) so that a protuberance (64) arranged on the support element (5) can cooperate with said groove and limit the axial motion of the rotating bezel system.
  9. Rotary bezel system according to claim 4, characterised in that the toothed ring (21) comprises at least one lug (25) and in that the lateral wall (302) of the middle comprises at least one recess (310) arranged so that said at least one lug (25) is inserted therein to limit the angular motion of the toothed ring with respect to the middle.
  10. Rotary bezel system according to claim 9, characterised in that the toothed ring includes three lugs (25).
  11. Rotary bezel system according to claim 7, characterised in that the spring ring includes three angularly distributed elastic arms.
  12. Annular rotary bezel system (10) arranged to be mounted for rotation on a peripheral shoulder (300) of a timepiece middle (1300), said rotary bezel system being formed by a premounted module, said module comprising an annular bezel (1070), an annular support element (1050), a toothed element (1190) and spring means (1090) cooperating elastically with said toothed element, said spring means being arranged to be carried by the support element and said toothed element (1190) being arranged to be held axially between the bezel and the support element, the spring means (1090) being arranged to be angularly integral with said middle (1300) while the toothed element is angularly integral with the bezel and with the support element to allow positive location of the position of the rotary bezel system with respect to the middle, said rotary bezel being characterised in that it further comprises fixing means (27) for fixing together the toothed element, the support element and the bezel.
  13. Rotary bezel system according to claim 12, characterised in that the toothed element (1190) and the spring means (1090) are concentric with each other.
  14. Rotary bezel system according to claims 12 or 13, characterised in that the toothed element (1190) is formed of a toothed ring (1191) comprising a toothing (1192), the spring means (1090) comprising a spring ring (1901) which comprises elastic means (13) able to cooperate with the toothing arranged on said toothed element.
  15. Rotary bezel system according to claim 14, characterised in that the spring ring (1901) is open and has at least one area having a minimum radius (1902) and one area having a maximum radius (1904) so that the area having a maximum radius cooperates with a hollow (1054) arranged in said support element (1050) and so that the area having a minimum radius (1902) cooperates with a groove (1308) arranged on the middle.
  16. Rotary bezel system according to claim 15, characterised in that said spring ring (1901) comprises two ends (1906) one of which has a raised portion (1908), said raised portion comprising a vertically oriented curved portion (1906a) and a flat portion (1906b) parallel to said spring ring, and in that said flat portion comprises, on the outer face (1904) thereof, the toothing (1912) cooperating with the toothed element (1190).
  17. Rotary bezel system according to any of claims 12 to 16, characterised in that the bezel (1070) and the support element (1050) are arranged so that both have a complementary profile so that the assembly of the bezel to the support element forms a housing (1156) in which the toothed element (1190) is placed, said support element (1050) including a hollow (1154) in which the spring means are inserted.
  18. Timepiece comprising a case formed by a middle (3, 1300) closed by a back cover and a crystal, characterised in that the middle carries the rotary bezel system according to one of the preceding claims.
EP13725996.6A 2012-06-06 2013-05-31 Rotating bezel system Active EP2859412B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13725996.6A EP2859412B1 (en) 2012-06-06 2013-05-31 Rotating bezel system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12171072.7A EP2672333A1 (en) 2012-06-06 2012-06-06 Rotating bezel system
EP13725996.6A EP2859412B1 (en) 2012-06-06 2013-05-31 Rotating bezel system
PCT/EP2013/061274 WO2013182487A1 (en) 2012-06-06 2013-05-31 Rotating bezel system

Publications (2)

Publication Number Publication Date
EP2859412A1 EP2859412A1 (en) 2015-04-15
EP2859412B1 true EP2859412B1 (en) 2021-03-17

Family

ID=48538001

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12171072.7A Withdrawn EP2672333A1 (en) 2012-06-06 2012-06-06 Rotating bezel system
EP13725996.6A Active EP2859412B1 (en) 2012-06-06 2013-05-31 Rotating bezel system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12171072.7A Withdrawn EP2672333A1 (en) 2012-06-06 2012-06-06 Rotating bezel system

Country Status (7)

Country Link
US (1) US9501037B2 (en)
EP (2) EP2672333A1 (en)
JP (1) JP5947979B2 (en)
CN (1) CN104412176B (en)
HK (1) HK1205797A1 (en)
RU (1) RU2609193C2 (en)
WO (1) WO2013182487A1 (en)

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Also Published As

Publication number Publication date
CN104412176A (en) 2015-03-11
RU2014153556A (en) 2016-08-10
EP2672333A1 (en) 2013-12-11
EP2859412A1 (en) 2015-04-15
US20150185702A1 (en) 2015-07-02
HK1205797A1 (en) 2015-12-24
RU2609193C2 (en) 2017-01-30
US9501037B2 (en) 2016-11-22
JP2015518967A (en) 2015-07-06
WO2013182487A1 (en) 2013-12-12
JP5947979B2 (en) 2016-07-06
CN104412176B (en) 2017-05-10

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