EP3401740B1 - Uhrkomponente zum einpressen ohne gratbildung - Google Patents
Uhrkomponente zum einpressen ohne gratbildung Download PDFInfo
- Publication number
- EP3401740B1 EP3401740B1 EP17170789.6A EP17170789A EP3401740B1 EP 3401740 B1 EP3401740 B1 EP 3401740B1 EP 17170789 A EP17170789 A EP 17170789A EP 3401740 B1 EP3401740 B1 EP 3401740B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- timepiece component
- circular arc
- arc portion
- component
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007769 metal material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 240000005561 Musa balbisiana Species 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000021015 bananas Nutrition 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 nickel silver Chemical compound 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 239000010956 nickel silver Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
- G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
- G04B17/345—Details of the spiral roll
-
- 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
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
- G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
- G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B15/00—Escapements
- G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
Definitions
- the present invention relates to a horological component intended to be integrated into a timepiece such as a wristwatch or a pocket watch.
- the present invention relates more particularly to a horological component intended to be assembled to a part, such as an axle, by driving.
- Driving in is a snap-in assembly method.
- the maintenance in position of components assembled in this way is guaranteed by the frictional forces acting between the contact surfaces.
- the figures 6a, 6b , 6c and 6d show structures of the prior art used for driving.
- cells 22, aimed at reducing the interaction between the component 20 having a hole and the pin 21 which it receives, can be made in the inner surface of the hole, as illustrated in FIG. figure 6b . However, this does not remove the burrs.
- the aim of the present invention is to provide a watch component intended to be assembled to a part by driving in which allows good hold while reducing or even eliminating the formation of burrs.
- the invention provides for this purpose a horological component comprising a through opening of center O, the outline of which is closed and at least one lumen around the opening, the opening and the at least one lumen defining between them a wall of which the internal surface defines said closed contour, the wall being attached to the rest of the component by at least one connecting zone, the wall being able to deform radially elastically and plastically when a part with a circular section of a part is driven out in the opening, said internal surface comprising a notch in front of the or each of the connecting zones and at least one portion in an arc of a center O interspersed with the at least one notch, characterized in that the or each notch has a bottom and two connecting parts, each connecting part connecting the bottom to one end of the at least one circular arc portion being tangent to the corresponding circular arc portion at the junction point with this d last and having at all points a radius of curvature greater than that of the at least one portion in the form of an arc of a circle.
- the invention also proposes an assembly comprising such a timepiece component and a part comprising a part with a circular section, said part with a circular section being driven into the opening of the timepiece component.
- the invention also proposes a timepiece such as a wristwatch or a pocket watch comprising such an assembly.
- the watch component according to the invention is able to be assembled by driving in with good hold and without creating a burr to a part comprising a part with a circular section.
- a watch component 1 comprises a through opening 2 with center O whose contour is closed and two openings 3 uniformly distributed around the opening 2 defining between them two connecting zones 4 located on a circle c concentric with the opening 2.
- the opening 2 is intended to receive an axis and is capable of deforming radially elastically and plastically when said axis is driven therein.
- the opening 2 and the slots 3 define between them a cylindrical wall 6 which is attached to the rest of the component by the connecting zones 4.
- the cylindrical wall 6 has, due to its small thickness, a certain elasticity which allows it to deform. first radially elastically, sufficiently, then radially plastically when driving the pin into the opening 2. In practice, the cylindrical wall 6 swells and deforms a lot when the pin is driven out, thus offering good holding of the watch component 1 on said axis.
- the lights 3 each have a closed contour. They are oblong, extend along the circle c, and typically have the same shape and dimensions.
- the set made up opening 2 and lights 3 shown in figure 1 includes two axes of symmetry S 1 , S 2 .
- the slots 3 may have an open contour, preferably almost completely closed, and / or be of different shapes or sizes.
- the watch component 1 is typically made of a metallic material (metal or alloy) such as nickel or nickel-phosphorus, steel, copper, beryllium, brass, aluminum, titanium, gold, platinum or an alloy of copper, nickel and zinc such as nickel silver, but it can also be made from any other material having an elastic deformation domain and a plastic deformation domain.
- a metallic material such as nickel or nickel-phosphorus, steel, copper, beryllium, brass, aluminum, titanium, gold, platinum or an alloy of copper, nickel and zinc such as nickel silver, but it can also be made from any other material having an elastic deformation domain and a plastic deformation domain.
- the internal surface of the opening 2 of the watch component 1 shown in figure 1 comprises a notch 5 opposite each of the connecting zones 4 as well as circular arc portions 2a of center O interposed between the notches 5 and each extending over an angle of approximately 115 °.
- each notch 5 is to reduce the stresses at the level of the connection zone 4 to which it faces, thus reducing the formation of burrs.
- the arcuate portions 2a may extend over an angle other than 115 °, this angle being however typically at least 15 °, preferably at least 25 °, preferably at least 35 °, of preferably at least 45 °, preferably at least 55 °, preferably at least 65 °, preferably at least 75 °, preferably at least 85 °, preferably at least 95 °, preferably at least 105 °, more preferably at least 115 °.
- the angle over which the arcuate portions 2a extend must in fact be sufficient to ensure good retention of the axis to be driven out inside the opening 2 and to avoid excessively narrow contact zones between the axis and the internal surface of the opening 2, in particular point contacts which lead to the formation of burrs when driving out.
- each arcuate portion 2a extends from one end of a notch 5 to one end of the other notch 5.
- Each notch 5 has a bottom 5a and two connecting parts 5b connecting this bottom 5a to the two circular arc portions 2a which surround it.
- This bottom 5a is advantageously in an arc of a circle with a radius of curvature smaller than that of the portions in an arc of a circle 2a.
- Each connecting part 5b is tangent to the arcuate portion 2a corresponding to the junction point with the latter and has, at all points, a radius of curvature greater than that of the arcuate portions 2a. This prevents the creation of edges or reliefs, bumps or hollows, small radii of curvature which lead to the formation of burrs when driving out the axle.
- the connecting parts 5b can, for example, consist of straight lines in which case they have an infinite radius of curvature, or of curves, typically of arcs of a circle, having an inverted convexity with respect to that of the arc portions 2a. .
- Each connecting part 5b is preferably also tangent to the bottom 5a at the point of junction with the latter.
- the radial distance between each arcuate portion 2a and the slot 3 facing it (thickness of the cylindrical wall 6) is preferably equal to at least 5%, preferably at least 10%, preferably at least 15 %, preferably at least 20%, preferably at least 25%, more preferably at least 30%, of the radius of the circular arc portions 2a. It is furthermore preferably equal to at most 50%, preferably at most 45%, preferably at most 40%, more preferably at most 35%, of the radius of the arcuate portions 2a.
- Such proportions make it possible to ensure a controlled elasticity of the cylindrical wall 6 so that it can deform elastically and then plastically when driving out an axis with a radius greater than the radius of the arcuate portions 2a in the opening 2 of so as to ensure a sufficient of the axis in the opening 2 without causing burrs during its insertion.
- the horological component according to the invention can comprise more than two lights 3. It can typically include three, as illustrated in figure 2 , four, as shown in figure 3 , or more.
- the number of lights 3 is preferably at most equal to four to allow the arcuate portions 2a to have the greatest possible extent.
- the watch components according to variants comprising more than two lights 3 are also distinguished from the watch component 1 comprising two lights 3 described above by their number of connection zones 4, notches 5 and axes of symmetry S 1 , S 2 , S 3 , S 4 .
- the horological component 1 may only comprise a slot 3 extending over a circle c 'concentric with the opening 2, as illustrated in figure 4 .
- component 1 typically comprises a connection zone 4 placed on the circle c 'concentric with the opening 2, between the ends of this slot 3, and a notch 5 facing the connection zone 4.
- light 3 has a completely closed contour.
- Each notch 5 is preferably centered with respect to the connecting zone 4 to which it faces.
- the assembly consisting of the opening 2 and of the slot (s) 3 of the watch component 1 according to the invention typically comprises as many axis (s) of symmetry S 1 , S 2 , S 3 , S 4 as notch (s) 5.
- connection zones 4 are zones of maximum stress.
- the lights 3 are therefore advantageously designed to make them as narrow as possible.
- the watch component 1 according to the invention can be manufactured using conventional machining techniques, typically by LIGA growth. (lithography, electroplating, molding), by milling, by electroerosion, by laser cutting techniques, or by 3D printing.
- the watch component 1 thus obtained is able to receive an axis by driving it into its opening 2 and allows the production of an assembly having good retention and not causing the formation of burrs.
- the invention could be applied to drive out a part other than an axis in the opening 2 of the watch component 1, provided that this part comprises at least one part with a circular section, for example. cylindrical or conical.
- This part may for example be a eyebolt for fixing the outer end of a hairspring, this outer end comprising the opening 2 and the slots 3.
- the figure 5a illustrates an escape wheel comprising two openings 3 with closed contours, according to the variant of the invention shown in figure 1 .
- the figure 5b illustrates, for its part, a clockwork hand comprising a single lumen 3 with an open contour.
- the component 1 according to the invention could also be, for example, a lever, a gear wheel, a pinion, a ferrule, a balance spring, a bridge, a plate or any other watch component intended to receive a part with a circular section of a part, axis or other, by driving.
- the horological component 1 according to the invention is typically used in a timepiece such as a wristwatch or a pocket watch.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Claims (17)
- Uhrkomponente (1), die eine Durchgangsöffnung (2) mit dem Mittelpunkt O, deren Umriss geschlossen ist, und mindestens einen Schlitz (3) um die Öffnung (2) umfasst, wobei die Öffnung (2) und der mindestens eine Schlitz (3) zwischen einander eine Wand (6) definieren, deren Innenoberfläche den geschlossenen Umriss definiert, wobei die Wand (6) mit dem Rest der Komponente durch mindestens eine Verbindungszone (4) zusammenhängt, wobei die Wand (6) geeignet ist, sich elastisch und plastisch radial zu verformen, wenn ein Stück mit kreisförmigem Querschnitt eines Teils in die Öffnung (2) eingepresst wird, wobei die Innenoberfläche eine Kerbe (5) gegenüber der oder jeder der Verbindungszonen (4) und mindestens einen kreisbogenförmigen Abschnitt (2a) mit dem Mittelpunkt O umfasst, der in die mindestens eine Kerbe (5) eingeschoben ist, dadurch gekennzeichnet, dass die oder jede Kerbe (5) einen Boden (5a) und zwei Verbindungsteile (5b) aufweist, wobei jeder Verbindungsteil (5b) den Boden (5a) mit einem Ende des mindestens einen kreisbogenförmigen Abschnitts (2a) verbindet und dabei tangential zum entsprechenden kreisbogenförmigen Abschnitt (2a) am Verbindungspunkt mit diesem letzteren ist und an jedem Punkt einen Krümmungsradius aufweist, der größer ist als derjenige des mindestens einen kreisbogenförmigen Abschnitts (2a).
- Uhrkomponente (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Boden (5a) kreisbogenförmig mit einem Krümmungsradius ist, der kleiner ist als derjenige des mindestens einen kreisbogenförmigen Abschnitts (2a).
- Uhrkomponente (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der oder jeder Verbindungsteil (5b) eine Gerade oder eine Kurve ist, die eine Konvexität aufweist, die in Bezug auf diejenige des mindestens einen kreisbogenförmigen Abschnitts (2a) umgekehrt ist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder kreisbogenförmige Abschnitt (2a) sich über einen Winkel von mindestens 15°, vorzugsweise mindestens 25°, vorzugsweise mindestens 35°, vorzugsweise mindestens 45°, vorzugsweise mindestens 55°, vorzugsweise mindestens 65°, vorzugsweise mindestens 75°, vorzugsweise mindestens 85°, vorzugsweise mindestens 95°, vorzugsweise mindestens 105°, vorzugsweise mindestens 115 °C, erstreckt.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Schlitz (3) länglich ist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der radiale Abstand zwischen dem oder jedem kreisbogenförmigen Abschnitt (2a) und dem ihm gegenüberliegenden Schlitz (3) mindestens gleich 5 %, vorzugsweise mindestens 10 %, vorzugsweise mindestens 15 %, vorzugsweise mindestens 20 %, vorzugsweise mindestens 25 %, vorzugsweise mindestens 30 % des Radius des kreisbogenförmigen Abschnitts (2a) ist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der radiale Abstand zwischen dem oder jedem kreisbogenförmigen Abschnitt (2a) und dem ihm gegenüberliegenden Schlitz (3) gleich höchstens 50 %, vorzugsweise höchstens 45 %, vorzugsweise höchstens 40 %, vorzugsweise höchstens 35 % des Radius des kreisbogenförmigen Abschnitts (2a) ist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie aus einem Metallmaterial besteht.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die oder jede Kerbe (5) in Bezug auf die ihr gegenüberliegende Verbindungszone (4) zentriert ist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Schlitz (3) einen geschlossenen oder fast vollständig geschlossenen Umriss aufweist.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Baugruppe, die aus der Öffnung (2) und dem mindestens einen Schlitz (3) besteht, so viele Symmetrieachsen (S1, S2, S3, S4) wie Kerben (5) umfasst.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mehrere Schlitze (3) umfasst, die gleichmäßig um die Öffnung (2) verteilt sind.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anzahl der Schlitze (3) gleich zwei, drei oder vier ist.
- Uhrkomponente (1) nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass sämtliche Schlitze (3) die gleiche Form und die gleichen Abmessungen aufweisen.
- Uhrkomponente (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder kreisbogenförmige Abschnitt (2a) sich von einem ersten Kerbenende (5) zu einem zweiten Kerbenende (5) erstreckt.
- Baugruppe, die eine Uhrkomponente (1) nach einem der vorhergehenden Ansprüche und ein Teil umfasst, das ein Stück mit kreisförmigem Querschnitt umfasst, wobei das Stück mit kreisförmigem Querschnitt in die Öffnung (2) der Uhrkomponente (1) eingepresst ist.
- Uhr, die eine Baugruppe nach dem vorhergehenden Anspruch umfasst.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17170789.6A EP3401740B1 (de) | 2017-05-12 | 2017-05-12 | Uhrkomponente zum einpressen ohne gratbildung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17170789.6A EP3401740B1 (de) | 2017-05-12 | 2017-05-12 | Uhrkomponente zum einpressen ohne gratbildung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3401740A1 EP3401740A1 (de) | 2018-11-14 |
EP3401740B1 true EP3401740B1 (de) | 2021-03-31 |
Family
ID=58707379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17170789.6A Active EP3401740B1 (de) | 2017-05-12 | 2017-05-12 | Uhrkomponente zum einpressen ohne gratbildung |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3401740B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3722889A1 (de) * | 2019-04-08 | 2020-10-14 | Nivarox-FAR S.A. | Elastisches halterungsorgan für die befestigung einer uhrkomponente auf verschiedenen halteelementen |
FR3128953B1 (fr) * | 2021-11-05 | 2023-11-03 | Silmach | Procédé d’assemblage d’une première pièce avec une deuxième pièce en silicium |
EP4375761A1 (de) * | 2022-11-25 | 2024-05-29 | Nivarox-FAR S.A. | Elastisches halteelement zur befestigung einer uhrkomponente an einem trägerelement |
EP4375760A1 (de) * | 2022-11-25 | 2024-05-29 | Nivarox-FAR S.A. | Befestigungselement für eine uhr |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012084383A2 (fr) * | 2010-12-22 | 2012-06-28 | Eta Sa Manufacture Horlogère Suisse | Assemblage d'une pièce ne comportant pas de domaine plastique |
EP2595005A1 (de) * | 2011-11-16 | 2013-05-22 | Omega SA | Einteilige Triebfeder für eine Uhr |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2003523B1 (de) * | 2003-09-02 | 2011-06-22 | Patek Philippe SA Genève | Spiralrolle für Uhr |
ATE517374T1 (de) * | 2004-08-31 | 2011-08-15 | Patek Philippe Sa Geneve | Spiralrolle für uhren |
EP1708045A3 (de) | 2005-03-22 | 2009-01-07 | Patek, Philippe SA | Befestigung eines Uhrrads an einer Spindel |
HK1186057A2 (en) * | 2013-01-14 | 2014-03-07 | Master Dynamic Ltd | Stress-relief elastic structure of hairspring collet |
EP2985659B1 (de) * | 2014-03-05 | 2020-04-29 | Nivarox-FAR S.A. | Spirale, die mit einer federscheibe gesichert werden muss |
-
2017
- 2017-05-12 EP EP17170789.6A patent/EP3401740B1/de active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012084383A2 (fr) * | 2010-12-22 | 2012-06-28 | Eta Sa Manufacture Horlogère Suisse | Assemblage d'une pièce ne comportant pas de domaine plastique |
EP2595005A1 (de) * | 2011-11-16 | 2013-05-22 | Omega SA | Einteilige Triebfeder für eine Uhr |
Also Published As
Publication number | Publication date |
---|---|
EP3401740A1 (de) | 2018-11-14 |
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