EP2746867B1 - Federgehäuse einer Uhr - Google Patents

Federgehäuse einer Uhr Download PDF

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Publication number
EP2746867B1
EP2746867B1 EP12197745.8A EP12197745A EP2746867B1 EP 2746867 B1 EP2746867 B1 EP 2746867B1 EP 12197745 A EP12197745 A EP 12197745A EP 2746867 B1 EP2746867 B1 EP 2746867B1
Authority
EP
European Patent Office
Prior art keywords
ratchet
drum
shoulder
limited
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12197745.8A
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English (en)
French (fr)
Other versions
EP2746867A1 (de
Inventor
Laurent Kaelin
Arthur Queval
Martin Vautherot
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP12197745.8A priority Critical patent/EP2746867B1/de
Priority to JP2015532475A priority patent/JP5918448B2/ja
Priority to US14/419,573 priority patent/US9471036B2/en
Priority to PCT/EP2013/071918 priority patent/WO2014095123A1/fr
Priority to CN201380050570.5A priority patent/CN104685424B/zh
Publication of EP2746867A1 publication Critical patent/EP2746867A1/de
Priority to HK15111136.5A priority patent/HK1210525A1/xx
Application granted granted Critical
Publication of EP2746867B1 publication Critical patent/EP2746867B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • G04B1/145—Composition and manufacture of the springs
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor

Definitions

  • the invention relates to a watch cylinder for pivotally mounting between a plate and a bridge and comprising at least one spring housed between a pivoting drum and a cover and hung between at its outer end said drum and at its inner end a shaft which is integral in pivoting with a ratchet about a pivot axis, said barrel having a monobloc subassembly coaxial with said pivot axis and grouping said shaft and a core provided with a flange for limiting the axial frust of said drum, wherein said flange is carrying pivoting drive means for pivoting said ratchet which is axially free in the direction of said pivot axis, and wherein the rim of said drum is limited in lower bearing relative to said subassembly monobloc by an upper surface of said drum which is limited by a lower shoulder of said monobloc subassembly, where the fretting of said ratchet e st limited in lower support relative to said bridge, by an upper surface of said ratchet
  • the invention also relates to a watch movement, comprising at least one plate and a bridge and such a cylinder.
  • the invention also relates to a watch comprising such a movement.
  • the invention relates to the field of watch mechanisms, and more particularly the energy storage mechanisms, the engine barrel type, barrel striking, or the like.
  • a solution consists in reducing the diameter of the barrel shaft and the associated core, so as to increase the space available in the drum for the drum. spring.
  • the ratio of the bead radius to the thickness of the spring is usually between 10 and 20, and the invention proposes to lower this ratio below 10, and preferably in the range between 5 and 10.
  • the dimensioning should not be done lightly, indeed a risk of breakage exists if the bung diameter is too small.
  • a ratchet is mounted axially on a barrel axis or on a bung, via a square, the ratchet being generally fixed by an axial screw.
  • the size of this screw and that of the square thus condition a minimum diameter of a pivoting surface.
  • a shoulder abutting with this pivoting surface limits axial fretting of the shaft or the bung relative to a plate or bridge carrying a stone or the like.
  • the document US 804,728 TO JOHNSON describes a barrel whose shaft carries a threaded hub, which itself carries a barrel spring. Two components are thus necessary for the internal maintenance of the spring.
  • the barrel drum is guided by a stone that is not monoblock with the tree.
  • the reset ratchet is located on the other side of the barrel bridge.
  • the carrying portion of the drive square of the ratchet is not constituted by a flange, but by the end of the shaft which is projecting beyond the bridge, the side opposite the drum.
  • the document CH 83 330 A BEAULIEU WATCH CO describes a barrel without lid, including a bung screwed on a tree.
  • the drum is adjusted crazy on the shaft, between a bearing of the tree and the bung.
  • the internal maintenance of the spring requires two components.
  • the document CH 295 135 A BRAC AG describes a barrel whose plate has a ratchet thread.
  • the invention proposes to improve the design of barrels designed for a large power reserve, giving them good rigidity, particularly at the ratchet, while retaining a reduced number of components, and an acceptable machining cost, or, preferably, more economical than on known barrels.
  • the invention thus relates to a watch cylinder according to claim 1.
  • said monobloc subassembly is pivoted at an upper bearing surface in a bore of said bridge or a stone that comprises said bridge, and comprises an upper shoulder, the stroke of which is limited by a lower surface of said bridge or said stone, said ratchet being between said upper shoulder and a lower shoulder that comprises said one-piece subassembly at said core, which lower shoulder limits the stroke of an upper surface of said drum which drum pivots to level of a bore it comprises with a cylindrical surface of said core.
  • said lower shoulder is constituted by a lower bearing surface of said collar.
  • said collar separates said drum from said ratchet, and comprises an upper bearing surface for supporting a lower surface of said ratchet, and it carries said pivoting drive means. on the opposite side to that of said lower bearing surface and beyond said upper bearing surface.
  • the invention also relates to a watch movement, comprising at least one plate and a bridge and such a cylinder.
  • the invention also relates to a watch comprising such a movement.
  • the invention relates to the field of watch mechanisms, and more particularly the energy storage mechanisms, the engine barrel type, barrel striking, or the like.
  • the invention thus relates to a watch cylinder 1 for pivotally mounting between a plate 9 and a bridge 5, and comprising at least one spring 7.
  • This spring 7 is housed between a pivoting drum 6 and a cover 8, and hooked between, at its outer end the drum 6 and at its inner end a shaft 3.
  • the shaft 3 is pivotally integral with a ratchet 2 about a pivot axis D.
  • the barrel 1 comprises a monobloc subassembly 10 coaxial with the shaft 3 and comprising this shaft 3 and a core 4 provided with a collar 17 for limiting the axial frustum of the drum 6.
  • This flange 17 is carrying pivoting drive means 42, such as flat, square, or the like, for the pivoting drive of the ratchet 2, at the level of complementary drive means 23.
  • This ratchet 2 is axially free in the direction of the pivot axis D.
  • This monobloc subassembly 10 is pivoted at an upper bearing surface 13 in a bore 51 of the bridge 5 or a stone 52 that the bridge 5 comprises, and has an upper shoulder 11 whose travel is limited by a surface lower 53 of the bridge 5 or the stone 52.
  • the ratchet 2 is between the upper shoulder 11 and a lower shoulder 12 that includes the one-piece subassembly 10 at the core 4.
  • This lower shoulder 12 limits the stroke of an upper surface 61 of the drum 6.
  • This drum 6 pivots at a bore 62 which it comprises with a cylindrical bearing surface 41 of the core 4.
  • this lower shoulder 12 is constituted by a lower bearing surface 16 of the flange 17.
  • the flange 17 separates the drum 6 from the ratchet 2, and has an upper bearing surface 15 for supporting the flange 17. a lower surface 22 of the ratchet 2. And this collar 17 carries the pivoting drive means 42 on the opposite side to that of the lower bearing surface 16 and beyond the upper bearing surface 15, on the opposite side. bridge 5.
  • the shaft 3 comprises a preferably cylindrical bearing surface 31, which is preferably of smaller diameter than that of the cylindrical bearing surface 41 of the core 4.
  • the shaft 3 carries the spring 7, or at its bearing surface 31, on which the spring 7 is immobilized by friction or welded, or on a hook 32 that includes the shaft 3 around such a seat 31.
  • the shaft 3 is pivotally mounted in a bore 91 of the plate 9 or a stone 92 that includes the plate 9.
  • the bearing 31 extends, and constitutes the pivot surface in the bore 91 or 92 stone ..
  • the drum 6 carries a cover 8, preferably but not necessarily pivotally attached to the drum 6, and a bore 81 cooperates with a bearing 31 of the shaft 3.
  • a lower surface 82 of the cover 8 is limited in clearance by a surface upper 93 of the plate 9 or a stone 92 housed in the plate 9, a bore 91 of the plate 9 or the stone 92 serving as a pivot to the bearing 31 of the shaft 3.
  • the frolicking of the drum 6 is limited in lower support relative to the ratchet 2, by an upper surface 61 of the drum 6 which is limited by a lower shoulder 12 of the monobloc subassembly 10.
  • the fretting of the ratchet 2 is limited in lower bearing relative to the bridge 5, by an upper shoulder 11 of the monobloc subassembly 10 which is limited by a lower surface 53 of the bridge 5 or a stone 52 that includes the bridge 5 .
  • the frog of the cover 8 is limited in upper support relative to the plate 9, by a lower surface 82 of the cover 8 which is limited by an upper surface 93 of the plate 9 or a stone 91 that includes the plate 9.
  • the motor spring can be made of different materials: carbon steel, stainless steel, "Nivaflex®”, silicon, DLC, quartz, glass, or similar.
  • the spring 7 is made of a cobalt-nickel-chromium-based multiphase alloy comprising from 44 to 46% of cobalt, from 20 to 22% of nickel, from 17 to 19% of chromium, from 4 to 6% of iron, 3 to 5% of tungsten, 3 to 5% of molybdenum, 0 to 2% of titanium, 0 to 1% of beryllium, and Young's modulus of between 200 and 240 GPa and a shear modulus between 80 and 100 GPa.
  • This spring 7 preferably has a width / thickness ratio of between 3 and 23, and more particularly between 9 and 21.
  • the maximum radius of the bearing 31 of the shaft 3 (without taking into account the possible extra thickness specific to a hook 32), made of steel or stainless steel, for example hardened stainless steel 4C27A (also named according to different standards 1.4197, ASTM 420F, or DIN X22 CrMoNiS 13 1), with respect to the pivot axis D is less than nine times the maximum thickness of the 7.
  • the embodiments illustrated allow to obtain a ratio between the maximum radius of the bearing 31 of the shaft 3 and the thickness of the spring 7 between 3 and 9, and preferably between 4 and 6, preferably neighbor of five.
  • the frolicking of the drum 6 is limited in lower bearing relative to the one-piece subassembly 10 by an upper surface 61 of the drum 6 which is limited by a lower shoulder 12 of the monobloc subassembly 10.
  • the fretting of the ratchet 2 is limited in lower support relative to the bridge 5, by an upper surface 21 of the ratchet 2 which is limited by a net 54 or a lower surface 53 of the bridge 5 or a stone 52 that includes the bridge 5.
  • the fretting of the ratchet 2 is limited in upper support relative to the monoblock subassembly 10 by a lower surface 22 of the ratchet 2 which is limited by an upper bearing surface 15 of a collar 17 of the monobloc subassembly 10.
  • the frog of the cover 8 is limited in upper support relative to the plate 9, by a lower surface 82 of the cover 8 which is limited by an upper surface 93 of the plate 9 or a stone 91 that includes the plate 9.
  • the frolicking of the drum 6 is limited in lower bearing relative to the one-piece subassembly 10 by an upper surface 61 of the drum 6 which is limited by a lower shoulder 12 of the monobloc subassembly 10.
  • the fretting of the ratchet 2 is limited in lower support relative to the bridge 5, by an upper surface 21 of the ratchet 2 which is limited by a net 54 or a lower surface 53 of the bridge 5 or a stone 52 that includes the bridge 5.
  • the fretting of the ratchet 2 is limited in upper support relative to the drum 6 by a lower surface 22 of the ratchet 2 which is limited by an upper surface 61 of the drum 6.
  • the frog of the cover 8 is limited in upper support relative to the plate 9, by a lower surface 82 of the cover 8 which is limited by an upper surface 93 of the plate 9 or a stone 91 that includes the plate.
  • the first variant of the figure 1 is advantageous because the ratchet is free axially, and the flange on the shaft facilitates assembly.
  • the advantage of this construction is that there is no limit to the bung diameter.
  • the second variant of the figure 2 also includes an axially free ratchet, there is double recovery on the drum.
  • the bung diameter is limited by the dimensions of the drive means 42, typically a square or the like.
  • the invention also relates to a watch movement 100, comprising at least one plate 9 and a bridge 5 and such a cylinder 1.
  • the bridge 5 comprises at least one thread 54 intended to cooperate in support, with the least contact surface possible, with the upper surface 21 of the ratchet 2.
  • the invention also relates to a watch 200 comprising such a movement 100.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Adornments (AREA)

Claims (9)

  1. Uhrenfedergehäuse (1) für die schwenkbare Montage zwischen einer Platine (9) und einer Brücke (5), das wenigstens eine Feder (7) umfasst, die zwischen einer schwenkbaren Trommel (6) und einem Deckel (8) untergebracht ist und an ihrem äußeren Ende an der Trommel (6) befestigt ist und an ihrem inneren Ende an einer Welle (3) befestigt ist, die drehfest um eine Schwenkachse (D) mit einem Sperrrad (2) verbunden ist, wobei das Federgehäuse (1) eine Monoblock-Untereinheit (10) umfasst, die zu der Schwenkachse (D) koaxial ist und die Welle (3) und einen Kern (4), der mit einem Kranz (17) zur Begrenzung des axialen Spiels der Trommel (6) versehen ist, anordnet, wobei der Kranz (17) Träger von Schwenkantriebsmitteln (42) für den Schwenkantrieb des Sperrrades (2) ist, das axial in Richtung der Schwenkachse (D) frei ist, und wobei das Spiel der Trommel (6) durch einen unteren Anschlag in Bezug auf die Monoblock-Untereinheit (10) mittels einer oberen Oberfläche (61) der Trommel (6) begrenzt ist, die ihrerseits durch eine untere Schulter (12) der Monoblock-Unteranordnung (10) begrenzt ist, wobei das Spiel des Sperrrades (2) durch einen unteren Anschlag in Bezug auf die Brücke (5) mittels einer oberen Oberfläche (21) des Sperrrades (2) begrenzt ist, die ihrerseits durch einen Steg (54) oder eine untere Oberfläche (53) der Brücke (5) oder eines Steins (52), den die Brücke (5) trägt, begrenzt ist, wobei das Spiel des Sperrrades (2) durch einen oberen Anschlag in Bezug auf die Trommel (6) mittels einer unteren Oberfläche (22) des Sperrrades (2) begrenzt ist, die ihrerseits durch eine obere Oberfläche (61) der Trommel (6) begrenzt ist, wobei der Kranz (17) das Sperrrad (2) von der Trommel (6) trennt und das Spiel des Sperrrades (2) durch einen oberen Anschlag in Bezug auf den Kranz (17) mittels einer unteren Oberfläche (22) des Sperrrades (2) begrenzt ist, die ihrerseits durch eine obere Abstützoberfläche (15) des Kranzes begrenzt ist,
    und wobei das Spiel des Deckels (8) durch einen oberen Anschlag in Bezug auf die Platine (9) mittels einer unteren Oberfläche (82) des Deckels (8) begrenzt ist, die ihrerseits durch eine obere Oberfläche (93) der Platine (9) oder eines Steins (91), den die Platine trägt, begrenzt ist, wobei die Feder (7) aus einer mehrphasigen Legierung auf Kobalt-Nickel-Chrom-Basis hergestellt ist, die 44 bis 46 % Kobalt, 20 bis 22 % Nickel, 17 bis 19 % Chrom, 4 bis 6 % Eisen, 3 bis 5 % Wolfram, 3 bis 5 % Molybdän, 0 bis 2 % Titan und 0 bis 1 % Beryllium enthält und wobei der Young-Modul im Bereich von 200 bis 240 GPa liegt und der Scherungsmodul im Bereich von 80 bis 100 GPa liegt, wobei die Feder (7) ein Breiten/Dicken-Verhältnis im Bereich von 3 bis 23 und ein Verhältnis zwischen dem maximalen Radius eines Abstützbereichs (31) der Feder der Welle (3) und der Dicke der Feder (7) im Bereich von 3 bis 9 hat.
  2. Federgehäuse (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Monoblock-Unteranordnung (10) auf Höhe eines oberen Bereichs (13) in einer Bohrung (51) der Brücke (5) oder eines Steins (52), den die Brücke (5) aufweist, schwenkbar ist und eine obere Schulter (11) umfasst, deren Bahn durch eine untere Oberfläche (53) der Brücke (5) oder des Steins (52) begrenzt ist, wobei das Sperrrad (2) zwischen der oberen Schulter (11) und einer unteren Schulter (12), die die Monoblock-Unteranordnung (10) aufweist, auf Höhe des Kerns (4) enthalten ist, wobei die untere Schulter (12) die Bahn einer oberen Oberfläche (61) der Trommel (6) begrenzt, wobei die Trommel (6) auf Höhe einer Bohrung (62) schwenkt, die sie mit einem zylindrischen Bereich (41) des Kerns (4) aufweist.
  3. Federgehäuse (1) nach Anspruch 2, dadurch gekennzeichnet, dass die untere Schulter (12) durch eine untere Abstützoberfläche (16) des Kranzes (17) gebildet ist.
  4. Federgehäuse (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Kranz (17) die Trommel (6) von dem Sperrrad (2) trennt und eine obere Abstützoberfläche (15) für die Abstützung einer unteren Oberfläche (22) des Sperrrades (2) aufweist und dass er die Schwenkantriebsmittel (42) auf der Seite gegenüber jener der unteren Abstützoberfläche (16) und jenseits der oberen Abstützoberfläche (15) trägt.
  5. Federgehäuse (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Welle (3) einen Bereich (31) aufweist, dessen Durchmesser kleiner ist als jener des zylindrischen Bereichs (41) des Kerns (4), und die Feder (7) entweder auf Höhe des Bereichs (31), in dem die Feder (7) durch Reibung oder Schweißen unbeweglich gemacht ist, oder an einem Haken (32), den die Welle (3) um den Bereich (31) aufweist, trägt und dass der Bereich (31) in einer Bohrung (91) der Platine (9) oder eines Steins (92), den die Platine (9) aufweist, schwenkbar ist.
  6. Federgehäuse (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trommel (6) den Deckel (8) drehfest mit der Trommel (6) trägt und dass eine Bohrung (81) des Deckels (8) mit einem Bereich (31) der Welle (3) zusammenwirkt und dass eine untere Oberfläche (82) des Deckels (8) in ihrem Ausschlag durch eine obere Oberfläche (93) der Platine (9) oder eines Steins (92), der in der Platine (9) aufgenommen ist, begrenzt ist, wobei eine Bohrung (91) der Platine (9) oder des Steins (92) als Drehpunkt für den Bereich (31) der Welle (3) dient.
  7. Uhrwerk (100), das wenigstens eine Platine (9), eine Brücke (5) und ein Federgehäuse (1) nach einem der vorhergehenden Ansprüche umfasst.
  8. Werk (100) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Brücke (5) wenigstens einen Steg (54) aufweist, der dazu bestimmt ist, mit der kleinstmöglichen Kontaktoberfläche mit der oberen Oberfläche (21) des Sperrrades (2) abstützend zusammenzuwirken.
  9. Uhr (200), die ein Werk (100) nach Anspruch 7 oder 8 umfasst.
EP12197745.8A 2012-12-18 2012-12-18 Federgehäuse einer Uhr Active EP2746867B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12197745.8A EP2746867B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr
JP2015532475A JP5918448B2 (ja) 2012-12-18 2013-10-21 計時器用バレル
US14/419,573 US9471036B2 (en) 2012-12-18 2013-10-21 Timepiece barrel
PCT/EP2013/071918 WO2014095123A1 (fr) 2012-12-18 2013-10-21 Barillet d'horlogerie
CN201380050570.5A CN104685424B (zh) 2012-12-18 2013-10-21 钟表发条盒
HK15111136.5A HK1210525A1 (en) 2012-12-18 2015-11-11 Timepiece barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12197745.8A EP2746867B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr

Publications (2)

Publication Number Publication Date
EP2746867A1 EP2746867A1 (de) 2014-06-25
EP2746867B1 true EP2746867B1 (de) 2015-12-16

Family

ID=47552771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12197745.8A Active EP2746867B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr

Country Status (6)

Country Link
US (1) US9471036B2 (de)
EP (1) EP2746867B1 (de)
JP (1) JP5918448B2 (de)
CN (1) CN104685424B (de)
HK (1) HK1210525A1 (de)
WO (1) WO2014095123A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH711870B1 (fr) * 2015-12-10 2019-08-30 Parmigiani Fleurier S A Mouvement horloger.
EP4080292B1 (de) * 2021-04-23 2023-11-08 Montres Breguet S.A. Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US165831A (en) * 1875-07-20 Improvement in barrel-arbors for watches
US804728A (en) * 1905-03-25 1905-11-14 Illinois Watch Company Watch-barrel.
US996499A (en) * 1910-11-25 1911-06-27 Robert L Marshall Safety spring-barrel.
CH83330A (fr) * 1919-05-26 1919-12-01 Co Beaulieu Watch Mouvement de montre
GB647819A (en) * 1944-12-12 1950-12-20 Elgin Nat Watch Co Cobalt chromium nickel base alloy
FR1034443A (fr) * 1950-04-01 1953-07-23 Ressort d'horlogerie inoxydable présentant une grande résistance à la fatigue et procédé pour sa fabrication
CH295135A (de) * 1951-11-16 1953-12-15 Ag Brac Uhrwerk.
JPS446779Y1 (de) * 1966-02-01 1969-03-12
JPS5251973A (en) * 1976-10-18 1977-04-26 Ebauchesfabrik Eta Ag Drawable incense casket core
JP3041585B2 (ja) * 1995-04-28 2000-05-15 セイコーインスツルメンツ株式会社 ぜんまいの製造方法
CH702035B1 (fr) * 2006-10-20 2011-04-29 Eterna Sa Fabrique D Horlogerie Pièce d'horlogerie.
CH699988A2 (fr) * 2008-11-28 2010-05-31 Patek Philippe Sa Geneve Organe moteur pour mouvement horloger.
CH700058B1 (fr) * 2008-12-15 2013-09-13 Francois Durafourg Ensemble comprenant un rochet de remontoir fixé sur un arbre de barillet et arbre de barillet destiné à cet ensemble.
EP2570864B1 (de) * 2011-09-15 2018-11-14 Blancpain S.A. Uhren-Federgehäuse mit reduziertem Durchmesser

Also Published As

Publication number Publication date
EP2746867A1 (de) 2014-06-25
JP5918448B2 (ja) 2016-05-18
US20150220059A1 (en) 2015-08-06
WO2014095123A1 (fr) 2014-06-26
JP2015529339A (ja) 2015-10-05
HK1210525A1 (en) 2016-04-22
CN104685424B (zh) 2017-03-08
US9471036B2 (en) 2016-10-18
CN104685424A (zh) 2015-06-03

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