EP2791741A1 - Systeme antichoc a membrane pour piece d'horlogerie - Google Patents
Systeme antichoc a membrane pour piece d'horlogerieInfo
- Publication number
- EP2791741A1 EP2791741A1 EP12808257.5A EP12808257A EP2791741A1 EP 2791741 A1 EP2791741 A1 EP 2791741A1 EP 12808257 A EP12808257 A EP 12808257A EP 2791741 A1 EP2791741 A1 EP 2791741A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elastic means
- pivot
- bearing according
- damping bearing
- upper face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000642 polymer Polymers 0.000 claims description 22
- 239000004575 stone Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 12
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 13
- 230000000703 anti-shock Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 10
- 239000012528 membrane Substances 0.000 description 10
- 150000002739 metals Chemical class 0.000 description 8
- 239000008188 pellet Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000005300 metallic glass Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229920006324 polyoxymethylene Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- -1 Polyoxymethylene Polymers 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
-
- 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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/02—Shock-damping bearings
-
- 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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/06—Manufacture or mounting processes
Definitions
- the present invention relates to an anti-shock system for a mobile axis of a timepiece.
- the axis comprises a tigeron, comprising a support.
- the support is provided with a housing adapted to receive a pivot system in which the tigeron is inserted.
- the shockproof system further comprises elastic means arranged to exert on said pivot system at least one axial force
- the technical field of the invention is the field of fine mechanics.
- the present invention relates to bearings for timepieces, more particularly of the type for damping shocks.
- the mechanical watch manufacturers have long since designed numerous devices allowing an axis to absorb the energy resulting from an impact, in particular a side impact, by abutment against a wall of the hole of the base block that it crosses. while allowing a momentary movement of the tigeron before it is brought back to its rest position under the action of a spring.
- FIG. 1 illustrates an inverted double-cone device that is currently used in timepieces on the market.
- the kitten 20 is held in a housing 6 of the support 1 by a spring 10 which comprises in this example of the radial extensions 9 compressing the pivoting stone 5.
- the housing 6 comprises two bearing surfaces 7, 7a in the form of inverted cones on which bear complementary bearing surfaces 8, 8a of the kitten 20, said litters to be executed with a very large precision.
- the spring 10 acts alone to bring the balance shaft 3 back to its initial position.
- the spring 10 is dimensioned to have a limit of displacement so that beyond this limit, the balance shaft 3 comes into contact with abutments 14 allowing said axis 3 to absorb the shock, which the tigers 3a of Axis 3 can not do without breaking.
- the spring 10 cooperates with the complementary inclined planes 7, 7a; 8, 8a to refocus the kitten 20.
- Such bearings have for example been sold under the trademark Incabloc®.
- These springs can be made of phynox, CuBe or brass and are manufactured by traditional cutting means.
- anti-shock systems comprising a support whose base has a hole for the passage of the balance shaft terminated by a tigeron, allows to position a kitten in which are immobilized a pierced stone traversed by the tigeron and a counter-pivot stone 5.
- the kitten is held in a housing of the support by a spring with arm so as to be suspended SUMMARY OF THE INVENTION
- the object of the invention is to overcome the drawbacks of the prior art by proposing to provide a shockproof timepiece system that is more efficient and more shock-resistant and simpler and less expensive to produce.
- the invention relates to a shock absorbing bearing for an axis of a mobile of a timepiece, said axis comprising a tigeron, said bearing comprising a support provided with a housing provided for receiving a pivot system.
- a pivot module in which the tigeron is inserted and elastic means arranged to allow said pivot module to be mounted suspended and to exert on said pivot module at least one axial force
- the elastic means comprise a diaphragm spring and in that the elastic means comprise a base comprising a lower face and an upper face, the disc comprising at least on its lower face or its upper face an extra thickness, the lower face comprising a recess in which the pivot module is placed.
- a first advantage of the present invention is to obtain a pivot system whose replacement is perfect. Indeed, as the diaphragm spring is suspended, there is no contact or friction between said diaphragm spring and the support and thus nothing disturbs the refocusing.
- Another advantage of the present invention is that a diaphragm spring has less complex shapes than an arm spring thus simplifying manufacture.
- the anti-shock system further comprises fastening means for fixing said pivot assembly to the support.
- the elastic means and the pivot module are in one piece so that the elastic means comprise a disc comprising a lower face and an upper face, the disc comprising at least on its lower face or its upper face a part central thickened, the central portion of the lower face comprising a recess in which the tigeron is inserted.
- the elastic means comprise a disc comprising a lower face and an upper face, the disc having a central opening in which is fixed the pivot module, the pivot module comprising a kitten supporting a pierced stone and a stone against pivot.
- the disk comprises, on the periphery of its upper face, a flange extending in a direction tending to move away from said upper face and ending with one end.
- the attachment means comprise female attachment means arranged on the support and male attachment means arranged at the end of the rim of the disc, said male and female attachment means being arranged to cooperate together.
- the attachment means is a weld connecting the rim of the disk to the support.
- the diaphragm spring comprises recesses or openings.
- the elastic means are made of metal or metal alloy.
- the elastic means are made of an at least partially amorphous metal alloy.
- the elastic means are made of polymers. In another advantageous embodiment, the elastic means are made of filled polymers.
- the elastic means are made of polycrystalline ceramic.
- the elastic means are made of monocrystalline ceramic.
- FIG. 2 schematically shows a shockproof timepiece system according to one invention
- FIGS. 4, 5 and 6 schematically represent a timepiece shockproof system according to a first embodiment of the invention as well as two examples of similar embodiments;
- FIG. 7 and 7a schematically show a shockproof timepiece system according to a second embodiment of the invention
- FIG. 8 schematically shows a shockproof timepiece system according to a third embodiment of the invention.
- the present invention proceeds from the general inventive idea of providing a shock absorbing system 100 having greater reliability by avoiding contact.
- the present invention can take different forms.
- FIG. 2 illustrates an anti-shock system 100 which comprises a support 101 of the shape of a disk having a circular vertical wall 101a delimiting a housing 102 whose center is pierced with a hole 103.
- This hole 103 allows the passage of a pendulum axis terminated by a tigeron.
- the support 101 may be either an independent part driven or fixed by any means in the frame of the watch movement, or be integrated in a part of the movement, such as a bridge or a plate.
- a pivot system 105 In the housing 102 of the support 101 is arranged a pivot system 105 whose purpose is to damp, at least in part, the shocks undergone by the balance shaft.
- the pivot system 105 comprises elastic means 107, a pivot module 109 and attachment means 11 1 for fixing said pivot system 105 to the support 101.
- the elastic means 107 are in the form of a membrane.
- This membrane being made of a first material.
- these elastic means 107 are in the form of a base 200 in the form of a disc comprising a lower face 203 and a face upper 201 and having a central orifice 205, the lower face 203 facing the bottom of the support 101 that is to say the hole 103 in which the balance shaft terminated by a tigeron passes.
- the pivot module 109 In the center of this disk 200 is fixed the pivot module 109.
- This disk 200 comprises, at its periphery, a peripheral rim 207 extending in an axial direction that is to say in a direction tending to move away from the upper face 201.
- this rim 207 extends so that the surface of the horizontal plane to the disk 200 increases when the height of the rim 207 increases.
- the elastic means 107 are shown mounted to the support 101 in FIG.
- the attachment means 111 are arranged to fix the membrane 107 with the pivot module 109 attached thereto.
- These attachment means 111 may be a crimping ring.
- the attachment means 111 are integral with the elastic means 107, that is to say with the membrane.
- These attachment means 111 then comprise female attachment means 111b and male attachment means 111a.
- the attachment means 111a comprises, at the end 209 of the peripheral rim 207, two peripheral peripheral projections 211 parallel to each other. This arrangement allows the presence of a groove 213 between these two projections 211.
- the support 101 then comprises, at its vertical circular wall 101a, the female attachment means 111b in the form of a holding flange 101 b extending along the wall 101a as visible in Figure 4.
- This holding flange 101a and the groove 213 located between the two circular projections 21 of the flange 207 of the elastic means 107 are arranged to cooperate together so that said holding flange 101b engages said groove 23.
- This configuration allows the diaphragm spring to be easily attached to said support 101.
- These attachment means 111 may be attached or mounted with glue or solder or be mounted by force or by screwing.
- the elastic means 107 that is to say the diaphragm spring and the pivot module are monobloc.
- the disk-shaped base 300 comprises at its upper face 301 and / or its lower face 303, an extra thickness 315 that can have a trapezoidal profile. This extra thickness 315 is preferentially placed in the center of the disc 300.
- the disc 300 comprises on its lower face 303 a recess 317 in which the shank of the balance shaft can be inserted. This recess 317 may have a conical bottom.
- Figure 4 shows the example in which the disc 300 comprises in the center of the upper face 301 and the lower face 303, an extra thickness 315 can have a trapezoidal profile.
- FIGS. 5 and 6 respectively show the example in which the disc 300 comprises an excess thickness 315 that can have a trapezoidal profile at the lower face 303, and the example in which the disc 300 comprises an excess thickness 315 that can have a trapezoidal profile at the upper face 301.
- This embodiment is to have a pivot system 105 made in one piece to have a simpler manufacturing process, faster since one piece must be manufactured.
- this embodiment makes it possible to have a method of mounting the anti-shock system which is clearly simplified since only the step of fixing the pivot system 105 to the support 101 is necessary. The intermediate stages of assembly of the different parts between them no longer exist.
- the diaphragm spring 107 and the pivot module 109 are not monoblock but the pivot module 109 is connected or fixed to the elastic means 107.
- the disk 400 of the diaphragm spring 107 comprises an extra thickness 413 on its upper face 401 and / or on its lower face 403 at their central portion 300a.
- the lower face 403 then comprises a pivot housing 417.
- This pivot housing 317 is arranged to receive the pivot module 109 which is preferably in the form of a part 419 such a pellet.
- This pellet 419 is inserted in the pivot housing 417 and comprises the recess 420 in which the shank of the balance shaft can be inserted.
- the elastic means 07 and the pivot module 109 are not monoblocks.
- the pivot module 109 comprises a kitten 500 in which are arranged a pierced stone 501 and a pivoting stone 503.
- This kitten 500 is therefore in the form of an annular piece comprising two stones: a pierced stone 501 and a stone against pivot 503 placed respectively one below the other. The whole is then fixed in the central orifice 205 of the disc 200 of the elastic means 107 visible in FIG.
- the shock absorbing system 100 is distinguished by the use of resilient means 107 in the form of a suspended diaphragm spring, it is also distinguished by the materials used when the lyre-type springs used in anti-shock systems according to the invention.
- prior art mainly use brass, phynox or CuBe.
- the elastic means 107 that is to say the membrane spring, are made of a polymeric material.
- This class of material includes or not charged polymers that is to say a system formed by a set of macromolecules of the same chemical nature in which organic and inorganic elements are added or not.
- fillers for polymers fillers that are used as mechanical reinforcement in order to have a stronger material or fillers to achieve a tribological enhancement.
- polymers have the first advantage of being cheap which leads to a low polymer part cost.
- This low cost is associated with the fact that the polymer parts are easy to make.
- the polymer parts can be manufactured by an injection process that is to say that the polymer is put in liquid form and is injected with more or less pressure in a mold comprising the cavity of the part to achieve.
- This technique is inexpensive and allows to produce large series of high precision and with a good surface.
- This injection method may also be useful for the second embodiment and for the third embodiment.
- this translates into the possibility of overmolding the pellet 419 acting as a pivot module 109 directly.
- This pellet 419 is placed in a mold whose imprint corresponds to that of the pivot system 105.
- the kitten 500 in which the pierced stone 501 and the pivot stone 503 are placed is placed in a mold into which a liquid polymer is injected.
- it can be provided the presence of reliefs on the pellet 419 or on the kitten 500 so as to improve the grip with the diaphragm spring.
- the use of polymers is advantageous because these materials have interesting mechanical characteristics. Indeed, the polymers have in the first place a large capacity of deformation which allows them to easily absorb shocks. Nevertheless, this ability to deform easily can result in rupture of the membrane. To counter this, the polymer membrane can be made with a greater thickness resulting in greater strength of said membrane. Since the polymers have a low density in comparison with the metals (density of Polyoxymethylene or POM is about 1420 Kg / m 3 while the steel has a density of 7500 kg / m 3 ), this makes it possible to achieve larger parts without increasing the mass compared to a metal part.
- the polymers also have advantageous tribological properties.
- certain tribological polymer-metal and polymer-polymer pairs are advantageous so that the use of the polymers in the context of the bearing function is possible.
- this function relates to the interaction between the bearing, that is to say, in the prior art, the set breakthrough stone, stone against pivot and the tigeron of the axis. This interaction occurs when the axis pivots causing friction between the axis via its tigeron and the bearing.
- a tribological polymer-metal or polymer-polymer advantageous pair allows in the case where the bearing is polymer and where the axis is metal or polymer to have lower friction.
- the elastic means 107 are made of a metal. This metal can be pure or be an alloy or be a metal glass.
- crystalline or amorphous metals have a large elastic modulus (for example, a spring steel with a Young's modulus of 200 GPa whereas polyoxymethylene or POM has a Young's modulus of 3.1 GPa) .
- the metals also have a good elastic limit, that is to say a stress beyond which the material deforms plastically which is high.
- this elastic limit is about twice as high as the equivalent of equivalent crystalline metal equivalent equivalent.
- Amorphous metals are therefore materials that withstand a higher stress before plastically deforming.
- the metals may have tribological properties in terms of coefficient of friction and wear rate so that a one-piece shockproof system 100 as defined in the first embodiment can cooperate with a metal axle rod without to cause greater wear, a coefficient of friction of 0.15 is a value sought for the anti-shock system according to the present invention.
- the diaphragm spring 107 can be made by simple and inexpensive techniques such as cutting and folding to produce parts in large series.
- amorphous metals or metallic glasses it is possible to use hot forming and casting to take advantage of the properties of metal glasses. Indeed, casting can be used to to make said membrane. For this, the material used is heated to a temperature above its melting temperature, said material thus becoming liquid. It is then poured into a mold. The material is then cooled rapidly so that the atoms composing said material can not arrange to form a structure, the absence of a structure allowing said material to be amorphous.
- the advantage of casting an amorphous metal is to allow greater accuracy and greater strength of the cast object.
- the amorphous metals when cast, have the advantage of having a solidification shrinkage of less than 1% while the casting of their crystalline equivalents has a solidification shrinkage of 5 to 7%.
- This means that the amorphous material will keep the shape and dimensions of the place in which it is poured while a crystalline material will contract.
- the shrinkage of solidification can be taken into account during the manufacture of the mold, the fact of having a near zero withdrawal makes it possible to dispense with this step.
- Hot forming is also a method that advantageously uses the properties of the amorphous metal. Indeed, this method consists in previously making an amorphous metal preform and placing it in two matrices. This preform is then heated to a temperature between the glass transition temperature and the crystallization temperature of the first material. In this range, the amorphous metal thus sees its viscosity greatly decrease so that it becomes easily manipulated. A low stress of the order of 1 MPa can therefore be applied to said material in order to insert it into the negative. This viscosity further allows the amorphous metal to fill the negative well so that the accuracy of this process is important. In the case of the first embodiment, hot forming makes it possible to perform the entire pivoting system 105 in a single step.
- the elastic means 107 are made of a ceramic.
- This ceramic may be an oxide, that is to say a polycrystalline material such as aluminum oxide or boron nitride or titanium carbide. This ceramic may also be a monocrystalline material such as silicon.
- the use of ceramics to perform the pivot function is made possible because these materials have characteristics such as a coefficient of friction, hardness and wear resistance very interesting. Indeed, for the pivot function, it requires a material that supports the friction caused by the rotation of the axis carrying the wheel on said pivot. Preferably, the material constituting the pivot module 109 must cause the least amount of friction possible.
- This advantage is combined with the high hardness of ceramics and their high resistance to wear, to obtain a pivot resistant to shocks and friction and thus to have a durable pivot.
- the elastic means 107 are made of polymer and the pivot module 109 is ceramic in the case of the second embodiment.
- One method used to make polycrystalline material parts is sintering.
- This technique involves providing the ceramic or polycrystalline material in the form of powders. These powders are placed in a matrix and then compressed under high pressure of up to several thousand bar. A preform is then obtained which is placed in an oven to be heated to a temperature below the melting temperature of the main component constituting the powders. This step of raising the temperature makes it possible for the materials to diffuse into each other so that the grains of powder bind in a solid manner.
- a variation of this method is to mix these powders with a liquid so as to obtain a paste which is molded in a matrix and then dried so as to harden. The desired part is then obtained, which is then placed in an oven to be heated to a temperature below the melting temperature of the main powder element. This temperature rise step then allows diffusion of the materials into each other so that the powder grains bind in a solid manner.
- the elastic means 107 comprise structures. These structures are in the form of openings or recesses. These openings or recesses are arranged on the disc-shaped base 200, 300, 400 or on the flange 207. These internal structures are preferably circular or oval shapes but other forms can be envisaged. These internal structures are used in order to adjust the axial and radial stiffness of the elastic means 107. Indeed, these internal structures causes a decrease in rigidity and have the consequence of making the ring more flexible in the areas where they are made. The elastic means 107 can then be deformed more easily in the areas where these structures are made. At least two openings or recesses diametrically opposite one another are arranged. This arrangement thus makes it possible to distribute the return forces. It will be understood that the number of structures is greater and that these structures are regularly distributed. This makes it possible to locally render said part more flexible so as to obtain predetermined return forces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12808257.5A EP2791741B1 (fr) | 2011-12-15 | 2012-12-13 | Systeme antichoc a membrane pour piece d'horlogerie |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11193835.3A EP2605086A1 (fr) | 2011-12-15 | 2011-12-15 | Système antichoc à membrane pour pièce d'horlogerie |
PCT/EP2012/005139 WO2013087202A1 (fr) | 2011-12-15 | 2012-12-13 | Systeme antichoc a membrane pour piece d'horlogerie |
EP12808257.5A EP2791741B1 (fr) | 2011-12-15 | 2012-12-13 | Systeme antichoc a membrane pour piece d'horlogerie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2791741A1 true EP2791741A1 (fr) | 2014-10-22 |
EP2791741B1 EP2791741B1 (fr) | 2020-06-24 |
Family
ID=47458852
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11193835.3A Withdrawn EP2605086A1 (fr) | 2011-12-15 | 2011-12-15 | Système antichoc à membrane pour pièce d'horlogerie |
EP12808257.5A Active EP2791741B1 (fr) | 2011-12-15 | 2012-12-13 | Systeme antichoc a membrane pour piece d'horlogerie |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11193835.3A Withdrawn EP2605086A1 (fr) | 2011-12-15 | 2011-12-15 | Système antichoc à membrane pour pièce d'horlogerie |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP2605086A1 (fr) |
WO (1) | WO2013087202A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2884348A1 (fr) * | 2013-12-11 | 2015-06-17 | The Swatch Group Research and Development Ltd. | Système antichoc bi-matiere pour piece d'horlogerie |
JP6806785B2 (ja) * | 2016-03-15 | 2021-01-06 | ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド | エンドピースを備える針及び組付方法 |
EP3786726B1 (fr) * | 2019-09-02 | 2023-10-11 | Valsigna GmbH | Coque antifriction pour éléments pivotants d'un mouvement d'horlogerie mécanique |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH546975A (fr) * | 1971-12-23 | 1974-03-15 | ||
CH495673A4 (fr) * | 1973-04-06 | 1976-10-29 | Seitz Sa | Dispositif de pivotement de l'ace d'un mobile d'horlogerie |
FR2307175A2 (fr) * | 1975-04-10 | 1976-11-05 | Cattin Sa Ets | Palier amortisseur de chocs perfectionne pour axes tournants ou oscillants |
CH702314B1 (fr) * | 2007-02-16 | 2011-06-15 | Patek Philippe Sa Geneve | Palier pour pièce d'horlogerie. |
-
2011
- 2011-12-15 EP EP11193835.3A patent/EP2605086A1/fr not_active Withdrawn
-
2012
- 2012-12-13 EP EP12808257.5A patent/EP2791741B1/fr active Active
- 2012-12-13 WO PCT/EP2012/005139 patent/WO2013087202A1/fr active Search and Examination
Non-Patent Citations (1)
Title |
---|
See references of WO2013087202A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013087202A1 (fr) | 2013-06-20 |
EP2791741B1 (fr) | 2020-06-24 |
EP2605086A1 (fr) | 2013-06-19 |
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