EP2400355A1 - Stoßsicheres System für Uhr - Google Patents
Stoßsicheres System für Uhr Download PDFInfo
- Publication number
- EP2400355A1 EP2400355A1 EP10166878A EP10166878A EP2400355A1 EP 2400355 A1 EP2400355 A1 EP 2400355A1 EP 10166878 A EP10166878 A EP 10166878A EP 10166878 A EP10166878 A EP 10166878A EP 2400355 A1 EP2400355 A1 EP 2400355A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- spring
- elastic means
- bearing according
- kitten
- 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.)
- Withdrawn
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052737 gold Inorganic materials 0.000 claims abstract description 3
- 239000010931 gold Substances 0.000 claims abstract description 3
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052762 osmium Inorganic materials 0.000 claims abstract description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 3
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 3
- 239000010948 rhodium Substances 0.000 claims abstract description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 3
- 229910052709 silver Inorganic materials 0.000 claims abstract description 3
- 239000004332 silver Substances 0.000 claims abstract description 3
- 239000004575 stone Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- 230000035939 shock Effects 0.000 claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims 5
- 239000010970 precious metal Substances 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 abstract description 5
- 239000005300 metallic glass Substances 0.000 description 17
- 230000008901 benefit Effects 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 230000000703 anti-shock Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- G04B31/04—Shock-damping bearings with jewel hole and cap jewel
Definitions
- the present invention relates to an anti-shock system for a mobile axis of a timepiece.
- the shaft comprises a beam, having a support, said support being 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 technical 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.
- the Figures 1 and 2 illustrate 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 radial extensions 9 compressing the
- the housing 6 comprises two bearing surfaces 7, 7a in the form of inverted cones on which support complementary bearing surfaces 8, 8a of the kitten 20, said bearing surfaces to be executed with very high precision.
- the pierced stone 4, the counter pivot stone 5 and the axis of the balance arm move and 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 or brass and are manufactured by traditional means of cutting.
- the use of crystalline metals for these springs can cause some problems. Indeed, the crystalline metals are characterized by a low elasticity that can lead to plastic deformation if the shocks are too high. This problem is amplified by the fact that the current springs can not be designed with complex shapes and, therefore, the elastic deformation of the current springs is very close to the elastic limit.
- This permanent deformation can also occur during handling of said springs during their installation, when they are removed for lubrication operations or during retouching or after-sales operations.
- the object of the invention is to overcome the drawbacks of the prior art by proposing to provide a shock-proof timepiece system that is more efficient and more shock-resistant.
- the invention relates to the shockproof timepiece system cited above which is characterized in that the spring is made of at least partially amorphous material.
- a first advantage of the present invention is to allow shock systems to better withstand shocks. Indeed, amorphous materials have more interesting elastic characteristics.
- the elastic limit ⁇ e is increased, which makes it possible to increase the ratio ⁇ e / E so that the material sees the stress beyond which it does not return to its initial shape to increase. The spring can then undergo a higher stress before plastically deforming and the workpiece can thus suffer greater shocks without the anti-shock system losing efficiency.
- Another advantage of the present invention is to make it possible to produce smaller springs. Indeed, as the amorphous materials are able to withstand higher stresses before deforming plastically, it is possible to make smaller springs without losing resistance.
- the amorphous metal is very easy to shape and allows the manufacture of complicated shapes with greater precision. This is due to the particular characteristics of the amorphous metal which can soften while remaining amorphous for a certain time in a given temperature range [T g - T x ] specific to each alloy. It is thus possible to shape it under a relatively low stress and at a low temperature then allowing the use of a simplified process such as hot forming, while reproducing very precisely fine geometries because the viscosity of the alloy decreases significantly as a function of temperature in said temperature range [T g - T x ]. Therefore, it becomes possible to achieve complex and precise springs but simply.
- the present invention proceeds from the general inventive idea of providing a shock absorbing system having greater reliability by using an at least partially amorphous material having at least one metal element.
- the present invention can take different forms.
- FIG. 1 and 2 already mentioned allow to illustrate an anti-shock system according to a first embodiment.
- This system comprises a support 1, whose base comprises a hole 2 for the passage of the balance shaft 3 terminated by a tigeron 3a, which allows to position a kitten 20 in which are immobilized a pierced stone 4 crossed by the tigeron 3a and a counter pivot stone 5.
- the support 1 is a part of revolution comprising a circular flange 11.
- This flange 11 is interrupted in two diametrically opposite locations by an opening 12 so as to create two semi-circular flanges 11a, 11b.
- the opening 12 is formed partly in the two semi-circular flanges 11a, 11b so as to materialize two returns 13.
- the kitten 20 is held in a housing 6 of the support 1 by elastic means such as a spring 10 which comprises in this example radial extensions 9 compressing the counter pivot stone 5.
- the spring 10 is of the axial type and has a form of lyre arranged to bear under the return semicircular rims 11a, 11b.
- the housing 6 comprises two bearing surfaces 7, 7a in the form of inverted cones on which support complementary bearing surfaces 8, 8a of the kitten 20, said bearing surfaces to be executed with very high accuracy.
- the spring 10 acts alone to bring the balance shaft 3 back to its initial position.
- the spring 10 cooperates with the complementary inclined planes 7, 7a; 8, 8a to refocus the kitten 20.
- the Figures 3 and 4 illustrate an anti-shock system according to a second embodiment.
- the bearing comprises a support 101 of circular shape delimiting a housing 106 whose center is pierced with a hole 102 to allow the passage of a balance shaft 103 terminated by a rod 103a.
- the support 101 can be either an independent part driven or fixed by any other means in the frame of the watch movement, or be part of another part of the movement, such as a bridge or a plate.
- the kitten 120 which supports the pierced stone 104 traversed by the tigeron 103a and the counter-pivot stone 105 is suspended in the housing 106 by a spring 110.
- the spring 110 shown in perspective at the figure 5 , is of the radial type and is composed of three parts.
- a first part is constituted by a scalloped peripheral rigid ring 111 which is mounted in force against the wall 106a of the housing 106 by resting on a bead 106b located at the bottom of the housing 106 so as to provide a space allowing a certain axial movement of the spring 110.
- the second part consists of a central rigid support 113 of generally annular shape.
- the pierced stone 104 is driven into the opening of the support 113 whose inner wall 113a has a number of recesses 117 whose main purpose is to provide a certain elasticity for non-destructive hunting of the pierced stone 104.
- the third part the spring 110 is constituted by elastic means 112 joining the peripheral ring 111 and the central support 113, said elastic means 112 being chosen to have a reaction force both along the axis of the beam and perpendicularly thereto.
- the kitten 120 is made of two parts.
- a first part integrated in the spring 110, is constituted by the central support 113 supporting the pierced stone 104, as described above.
- a second part is constituted by a cover 123 which is fitted on the central support 113 to immobilize the counter pivot stone 105 on the upper surface 113b.
- the casing of the cover 123 is obtained by means of tabs 125 extending along the outer wall 113c of the central support 113, through recesses 115 provided in said wall 113c between the attachment points of the arm 114, 116, 118.
- To secure the casing of the cover 123 on the central support 113 can for example perform a bonding, welding or riveting.
- the pierced stone 104 and the counter-pivot stone 105 can both be crimped or driven inside the wall 113a of the rigid central support 113, provided of course to give said wall a sufficient height, which will be generally greater than the height of the remainder of the spring 110.
- the elastic means are formed by three curved arms 114, 116, 118 whose attachment points, respectively to the peripheral ring 111 and the central support 113, are angularly offset by 120 degrees. It is obvious that the elastic function could be ensured with a different number of arms, or with other forms.
- the spring 10, 110 is made of an amorphous material or at least partially amorphous.
- a material comprising at least one metal element is used.
- the material will be an amorphous metal alloy. It will be understood by at least partially amorphous material that the material is capable of solidifying at least partially in amorphous phase, that is to say that it is able to locally avoid that its atoms do not arrange in crystalline form by means of a sufficient cooling rate.
- the advantage of these amorphous metal alloys comes from the fact that, during their manufacture, the atoms of these amorphous materials do not arrange according to a particular structure as is the case for crystalline materials.
- the elastic limit ⁇ e is different.
- An amorphous metal is thus differentiated by an elastic limit ⁇ e higher than that of the crystalline metal by a factor of about two to three. This allows the amorphous metals to be able to undergo a greater stress before reaching the elastic limit ⁇ e .
- Amorphous metals deform plastically more difficultly and break fragile way when the applied stress exceeds the elastic limit.
- the metal element of said material may then comprise gold, platinum, palladium, rhenium, ruthenium, rhodium, silver, iridium or osmium.
- Such springs 10, 110 have the advantage of having higher strength and longevity compared to their crystalline metal counterparts.
- a spring 10, 110 of amorphous metal has a better resistance to the stresses applied to it during an impact because it will deform elastically over a wider stress interval and return to its initial position once the shock completed.
- this stress interval, in which the spring 10, 110 is elastically deformed is wider for a spring 10, 110 of amorphous metal than for its crystalline metal equivalent, it allows said spring 10, 110 of amorphous metal to withstand constraints that would plastically deform a similar spring of crystalline metal.
- these springs 10, 110 are no longer unfolded to return them to their original position and therefore they get tired less which improves their longevity.
- the spring 10, 110 using the properties of the amorphous metals.
- the use of such a material also makes it possible to reproduce very precisely fine geometries because the viscosity of the alloy decreases strongly as a function of the temperature in the temperature range [T g - T x ] and the alloy marries so all the details of the mold.
- the shaping is done around 300 ° C for a viscosity up to 10 3 Pa.s for a stress of 1 MPa, instead of a viscosity of 10 12 Pa. at the temperature T g .
- the hot forming of the metal or amorphous alloy thus makes it possible to produce complex and precise parts but also a good reproducibility of the part which is a consequent advantage for the mass production such as that of the damping system springs.
- the casting is used.
- This process involves casting the alloy obtained by melting the metal elements in a mold having the shape of the final piece. Once the mold filled, it is cooled rapidly to a temperature below T g to prevent crystallization of the alloy and thus obtain a spring amorphous or partially amorphous metal.
- T g temperature below T g
- the advantage of casting an amorphous metal with respect to the casting of a crystalline metal is to be more precise.
- the solidification shrinkage, for an amorphous metal is very low, less than 1% relative to that of the crystalline metals which is 5 to 7%.
- pivot-facing stone 5, 105 comprises a conical recess so that the end of the taper 3a, 103a can be inserted therein to have a difference in amplitude between the different positions of the watch minimized.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10166878A EP2400355A1 (de) | 2010-06-22 | 2010-06-22 | Stoßsicheres System für Uhr |
| PCT/EP2011/060284 WO2011161079A1 (fr) | 2010-06-22 | 2011-06-21 | Systeme antichoc pour piece d'horlogerie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10166878A EP2400355A1 (de) | 2010-06-22 | 2010-06-22 | Stoßsicheres System für Uhr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2400355A1 true EP2400355A1 (de) | 2011-12-28 |
Family
ID=43302621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10166878A Withdrawn EP2400355A1 (de) | 2010-06-22 | 2010-06-22 | Stoßsicheres System für Uhr |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2400355A1 (de) |
| WO (1) | WO2011161079A1 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2757426A1 (de) * | 2013-01-22 | 2014-07-23 | Montres Breguet SA | Führungsvorrichtung für Uhrwerkswelle |
| EP2781972A1 (de) * | 2013-03-19 | 2014-09-24 | Nivarox-FAR S.A. | Zapfen für Uhrwerksmechanismus |
| CH709908A1 (fr) * | 2014-07-22 | 2016-01-29 | Richemont Int Sa | Palier amortisseur de choc pour pièce d'horlogerie. |
| EP3223085A1 (de) * | 2016-03-23 | 2017-09-27 | Officine Panerai AG | Vorrichtung, die eine schnelleinstellfeder für uhrwerke umfasst |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327882B (zh) * | 2022-08-15 | 2023-08-11 | 合肥移瑞通信技术有限公司 | 一种保护装置及腕戴式可穿戴设备 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878638A (en) * | 1956-07-20 | 1959-03-24 | Jaeger Ets Ed | Sound-proof and shock absorbing bearing for precision mechanisms |
| EP0942337A1 (de) * | 1997-08-28 | 1999-09-15 | Seiko Epson Corporation | Feder, zugfeder, spiralfeder, diese verwendenden antriebsmechanismus und uhr |
| EP1696286A1 (de) * | 2005-02-23 | 2006-08-30 | ETA SA Manufacture Horlogère Suisse | Stoßdämpfende Uhrenlagerung |
| CH699334A2 (fr) * | 2008-08-07 | 2010-02-15 | Swatch Group Res & Dev Ltd | Procédé de fabrication d'un ressort en métal amorphe. |
-
2010
- 2010-06-22 EP EP10166878A patent/EP2400355A1/de not_active Withdrawn
-
2011
- 2011-06-21 WO PCT/EP2011/060284 patent/WO2011161079A1/fr active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878638A (en) * | 1956-07-20 | 1959-03-24 | Jaeger Ets Ed | Sound-proof and shock absorbing bearing for precision mechanisms |
| EP0942337A1 (de) * | 1997-08-28 | 1999-09-15 | Seiko Epson Corporation | Feder, zugfeder, spiralfeder, diese verwendenden antriebsmechanismus und uhr |
| EP1696286A1 (de) * | 2005-02-23 | 2006-08-30 | ETA SA Manufacture Horlogère Suisse | Stoßdämpfende Uhrenlagerung |
| CH699334A2 (fr) * | 2008-08-07 | 2010-02-15 | Swatch Group Res & Dev Ltd | Procédé de fabrication d'un ressort en métal amorphe. |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937502B (zh) * | 2013-01-22 | 2017-07-28 | 蒙特雷布勒盖股份有限公司 | 用于引导钟表心轴的装置 |
| DE102014000579A1 (de) | 2013-01-22 | 2014-07-24 | Montres Breguet Sa | Vorrichtung zum Führen einer Welle eines Uhrwerks |
| WO2014114377A1 (fr) | 2013-01-22 | 2014-07-31 | Montres Breguet Sa | Dispositif de guidage d'arbre d'horlogerie |
| EP2757426A1 (de) * | 2013-01-22 | 2014-07-23 | Montres Breguet SA | Führungsvorrichtung für Uhrwerkswelle |
| DE102014000579B4 (de) | 2013-01-22 | 2020-08-06 | Montres Breguet Sa | Vorrichtung zum Führen einer Welle eines Uhrwerks |
| CN104937502A (zh) * | 2013-01-22 | 2015-09-23 | 蒙特雷布勒盖股份有限公司 | 用于引导钟表心轴的装置 |
| EP2781972A1 (de) * | 2013-03-19 | 2014-09-24 | Nivarox-FAR S.A. | Zapfen für Uhrwerksmechanismus |
| US9684283B2 (en) | 2013-03-19 | 2017-06-20 | Nivarox-Far S.A. | Pivot for timepiece mechanism |
| CN105051623A (zh) * | 2013-03-19 | 2015-11-11 | 尼瓦洛克斯-法尔股份有限公司 | 用于钟表机构的支枢装置 |
| WO2014146832A1 (fr) | 2013-03-19 | 2014-09-25 | Nivarox-Far S.A. | Pivot pour mécanisme d'horlogerie |
| CH709908A1 (fr) * | 2014-07-22 | 2016-01-29 | Richemont Int Sa | Palier amortisseur de choc pour pièce d'horlogerie. |
| EP3223085A1 (de) * | 2016-03-23 | 2017-09-27 | Officine Panerai AG | Vorrichtung, die eine schnelleinstellfeder für uhrwerke umfasst |
| CH712289A1 (fr) * | 2016-03-23 | 2017-09-29 | Officine Panerai Ag | Ressort de réglage rapide pour mouvement horloger. |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011161079A1 (fr) | 2011-12-29 |
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