EP2746868B1 - Federgehäuse einer Uhr - Google Patents

Federgehäuse einer Uhr Download PDF

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Publication number
EP2746868B1
EP2746868B1 EP12197746.6A EP12197746A EP2746868B1 EP 2746868 B1 EP2746868 B1 EP 2746868B1 EP 12197746 A EP12197746 A EP 12197746A EP 2746868 B1 EP2746868 B1 EP 2746868B1
Authority
EP
European Patent Office
Prior art keywords
ratchet
bridge
drum
barrel
arbor
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
EP12197746.6A
Other languages
English (en)
French (fr)
Other versions
EP2746868A1 (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
Priority to EP12197746.6A priority Critical patent/EP2746868B1/de
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to US14/653,484 priority patent/US9291999B2/en
Priority to JP2015546908A priority patent/JP6027693B2/ja
Priority to EP13779838.5A priority patent/EP2936253B1/de
Priority to CN201380066191.5A priority patent/CN104885021B/zh
Priority to PCT/EP2013/071989 priority patent/WO2014095126A1/fr
Publication of EP2746868A1 publication Critical patent/EP2746868A1/de
Priority to HK16102157.7A priority patent/HK1214374A1/zh
Application granted granted Critical
Publication of EP2746868B1 publication Critical patent/EP2746868B1/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
    • 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

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 about a pivot axis with a ratchet that includes said barrel, wherein said shaft comprises, around a cylindrical barrel according to said pivot axis, on the one hand a projecting hook for hooking said spring, and on the other hand pivoting drive means, projecting or reentrant, which cooperate with complementary drive means that includes said ratchet for its pivoting drive.
  • 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 of in a decrease in the diameter of the barrel shaft and the associated core, so as to increase the space available in the drum for the 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 FR 2 329 000 A1 in the name of ETA describes a barrel with a shaft with non-cylindrical barrel, the snap hook of the spring being contained in a recess delimited by a geometric cylinder defined by the upper and lower surfaces of this barrel.
  • the document XP 001 219 052 A in the name of SOCIETE ODO describes a barrel with a non-cylindrical shaft, carrying a tube which itself carries the snap hook of the spring. This shaft has shoulders and grooves circlips.
  • the document CH 15 286 A in the name of DANASINO describes a barrel with a sectional spring gradually increasing from the outside to the inside of the drum.
  • the document FR 2 210 784 A1 in the name of ETA describes a barrel with a one-piece shaft having a longitudinal groove of attachment of the spring.
  • 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 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.
  • said shaft comprises, around a cylindrical barrel along said pivot axis, on the one hand a hook projecting for the attachment of said spring and, on the other hand, reentrant pivoting driving means which cooperate with complementary drive means provided by said ratchet for its pivoting drive, characterized in that said complementary means of said ratchet consist of at least one blade of spring allowing the introduction of said ratchet on said shaft, and also ensuring the pivoting drive, and further characterized in that said spring is made of a multi-phase cobalt-nickel-chromium-based alloy comprising from 44 to 46% of cobalt, from 20 to 22% of nickel, from 17 to 19% of chrom
  • said pivoting drive means constitute an axial abutment of said ratchet along said pivot axis
  • said shaft is pivoted at an upper bearing surface in a bore of said bridge or a stone that includes said bridge
  • said ratchet comprises an upper support net whose travel is limited by a lower surface of said bridge 5 or said stone, said ratchet being between said bridge and a top surface that includes said drum faces a lower surface of said ratchet, and said drum pivots at a bore thereon on said cylindrical barrel.
  • said spring comprises, in the axial direction of said pivot axis, a projecting upper portion arranged to bear on an inner surface of said drum, and a lower projecting portion arranged to come into support on an upper part of said cover.
  • the fretting of said drum is limited in lower bearing relative to said ratchet by an upper surface of said drum which is limited by a lower surface of said ratchet, the fretting of said ratchet being limited in lower bearing relative to at said bridge, by a thread of said ratchet which is bounded by a lower surface of said bridge or of a stone which said bridge comprises, and the step of said lid is limited in upper support relative to said plate, by a lower surface of said lid; which is limited by an upper surface of said platen or a stone that includes said platen.
  • the invention also relates to a watch movement, comprising at least one plate and a bridge and such a cylinder.
  • said bridge comprises an upper abutment plate whose lower surface is arranged to limit the axial displacement of said shaft, and said platen comprises a lower abutment plate whose upper surface is arranged to limit the axial movement of said shaft.
  • 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 main spring 7.
  • This main spring 7 is housed between a pivoting drum 6 and a cover 8, and hung between 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 shaft 3 comprises, around a cylindrical shaft 31 along the axis of pivoting D, on the one hand a hook 32 projecting for the attachment of the main spring 7, and on the other hand means 42, reentrant, which cooperate with complementary drive means 23 that includes the ratchet 2 for its pivoting drive.
  • the drive means 42 may conventionally consist of a square or plates. In a material-saving version, they are re-entrant, for example constituted by two plates in a groove of the shaft 3, the complementary means 23 of the ratchet 2 can then advantageously consist of at least one leaf spring allowing the introduction of the ratchet 2 on the shaft 3, and also ensuring the pivoting drive.
  • pivoting drive means 42 constitute an axial stop of the ratchet 2 along the axis of pivoting D.
  • the shaft 3 is pivoted at an upper bearing surface 13 in a bore 51 of the bridge 5 or a stone 52 5 and the ratchet 2 preferably comprises, so as to reduce the friction torque and the loss of efficiency, at least one upper support thread 24 whose stroke is limited by a lower surface 53 of the bridge 5 or stone 52 (as shown in the figures).
  • Ratchet 2 is between bridge 5 and an upper surface 61 that includes the drum 6 facing a lower surface 22 of the ratchet 2. And the drum 6 pivots at a bore 62 that it has on the cylindrical shaft 31.
  • the main spring 7 comprises, in the axial direction of the pivot axis D, a projecting upper portion 71 arranged to bear on an inner surface 65 of the drum 6, and a projecting lower portion 72 arranged to bear on an upper portion 85 of the cover 8. The return of frolicking of the shaft 3 is thus provided by the main spring 7.
  • 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 to lower bearing relative to the ratchet 2 by an upper surface 61 of the drum 6 which is limited by a lower surface 22 of the ratchet 2.
  • the fretting of the ratchet 2 is limited in lower bearing relative to the bridge 5, by a thread 24 of the ratchet 2 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 comprises the plate 9.
  • the motor spring can be made of different materials: carbon steel, stainless steel, "Nivaflex®", silicon, DLC, quartz, glass, or similar.
  • the main spring 7 is made of a cobalt-nickel-chromium-based multiphase alloy comprising 44 to 46% cobalt, 20 to 22% nickel, 17 to 19% chromium, 4 at 6% iron, 3 to 5% tungsten, 3 to 5% molybdenum, 0 to 2% titanium, 0 to 1% beryllium, and Young's modulus between 200 and 240 GPa and a shear modulus of 80 to 100 GPa.
  • This main 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 span 31 of the shaft 3 (without taking into account the possible extra thickness specific to a hook 32), made of steel or steel stainless steel, eg 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 main spring 7.
  • the illustrated embodiments make it possible to obtain a ratio between the maximum radius of the span 31 of the shaft 3 and the thickness of the main spring 7 between 3 and 9, and preferably between 4 and 6, preferably neighbor of five.
  • 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 may comprise at least one thread intended to cooperate in support, with the least possible contact surface , with the upper surface 21 of the ratchet 2, in addition to or in place of the thread 24 of the ratchet 2.
  • the bridge 5 comprises an upper stop plate 56, fixed with screws or rivets 58, or glued or welded, or the like, a lower surface 57 is arranged to limit the axial displacement of the shaft 3, and the plate 9 comprises a lower abutment plate 96, fixed with screws or rivets 98, or bonded or welded, or the like, an upper surface 97 of which is arranged to limit the axial displacement of the shaft 3.
  • the invention also relates to a watch 200 comprising such a movement 100.
  • the first variant of the figure 1 is advantageous the shaft 3 is of substantially constant diameter, the hook 32 is easy to machine, the drive means 42 also.
  • the bung diameter is limited only by the bulk of these pivoting drive means 42.
  • the second variant of the figure 2 ensures the return of frolicking of the shaft 3 with the main spring 7, the shaft 3 adopts the same advantageous configuration at low production cost as in the first variant.
  • the bung diameter is limited by the dimensions of the drive means 42, typically a square or the like.

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

Claims (8)

  1. Uhrenfedergehäuse (1) zur schwenkbaren Montage zwischen einer Platine (9) und einer Brücke (5), das wenigstens eine Hauptfeder (7) umfasst, die zwischen einer schwenkbaren Trommel (6) und einem Deckel (8) aufgenommen ist und zwischen der Trommel (6) und einer Welle (3), die um eine Drehachse (D) mit einem Sperrrad (2), das das Federgehäuse (1) aufweist, drehfest angeordnet ist, an seinem äußeren Ende bzw. an seinem inneren Ende eingehakt ist, wobei die Welle (3) um einen Zylinderschaft (31) längs der Drehachse (D) einerseits einen vorstehenden Haken (32) zum Einhaken der Hauptfeder (7) und andererseits zurückgezogene Drehantriebsmittel (42), die mit komplementären Antriebsmitteln (23) zusammenwirken, die das Sperrrad (2) aufweist, um dieses rotatorisch anzutreiben, umfasst, dadurch gekennzeichnet, dass die komplementären Mittel (23) des Sperrrades (2) wenigstens aus einem Federplättchen bestehen, das das Aufschieben des Federrades (2) auf die Welle (3) zulässt und gleichermaßen den rotatorischen Antrieb gewährleistet, und außerdem dadurch gekennzeichnet, dass die Hauptfeder (7) aus einer mehrphasigen Legierung auf Kobalt-Nickel-Chrom-Basis verwirklicht 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, einen Young-Modul besitzt, der im Bereich von 200 bis 240 GPa liegt, und einen Scherungsmodul besitzt, der im Bereich von 80 bis 100 GPa liegt, dass die Hauptfeder (7) ein Breiten/Dicken-Verhältnis im Bereich von 3 bis 23 besitzt und dass das Verhältnis zwischen dem maximalen Radius eines Abstützbereichs (31) der Feder der Welle (3) und der Dicke der Hauptfeder (7) im Bereich von 3 bis 9 liegt.
  2. Federgehäuse (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Drehantriebsmittel (42) einen axialen Anschlag des Sperrrades (2) längs der Drehachse (D) bilden, dass die Welle (3) auf Höhe eines oberen Bereichs (13) in einer Bohrung (51) der Brücke (5) oder eines Steins (52), den die Brücke (5) aufweist, drehbar ist und dass das Sperrrad (2) ein oberes Abstützleiste (24) aufweist, dessen Bahn durch eine untere Oberfläche (53) der Brücke (5) oder des Steins (52) begrenzt ist, wobei das Sperrrad (2) zwischen der Brücke (5) und einer oberen Oberfläche (61), die die Trommel (6) gegenüber einer unteren Oberfläche (22) des Sperrrades (2) aufweist, enthalten ist und dass sich die Trommel (6) auf Höhe einer Bohrung (62), die sie auf dem Zylinderschaft (31) aufweist, dreht.
  3. Federgehäuse (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Hauptfeder (7) in der axialen Richtung der Drehachse (D) einen vorstehenden oberen Teil (71), der dafür ausgelegt ist, sich auf einer inneren Oberfläche (65) der Trommel (6) abzustützen, und einen vorstehenden unteren Teil (72), der dafür ausgelegt ist, sich auf einem oberen Teil (85) des Deckels (8) abzustützen, umfasst.
  4. Federgehäuse (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trommel (6) einen Deckel (8) trägt, der mit der Trommel (6) drehfest verbunden ist und wovon eine Bohrung (81) mit dem Zylinderschaft (31) der Welle (3) zusammenwirkt, und dass eine untere Oberfläche (82) des Deckels (8) hinsichtlich ihres Ausschlags 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 Drehzentrum um den Zylinderschaft (31) der Welle (3) dient.
  5. Federgehäuse (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Spiel der Trommel (6) bei ihrer unteren Abstützung in Bezug auf das Sperrrad (2) durch eine obere Oberfläche (61) der Trommel (6) begrenzt ist, die durch eine untere Oberfläche (22) des Sperrrades (2) begrenzt ist, dass das Spiel des Sperrrades in ihrer unteren Abstützung in Bezug auf die Brücke (5) durch eine Leiste (24) des Sperrrades (2) begrenzt ist, das durch eine untere Oberfläche (53) der Brücke (5) oder eines Steins (52), den die Brücke (5) aufweist, begrenzt ist, und dass das Spiel des Deckels (8) in seiner oberen Abstützung in Bezug auf die Platine (9) durch eine untere Oberfläche (82) des Deckels (8) begrenzt ist, die durch eine obere Oberfläche (93) der Platine (9) oder eines Steins (91), den die Platine aufweist, begrenzt ist.
  6. Uhrwerk (100), das wenigstens eine Platine (9) und eine Brücke (5) und ein Federgehäuse (1) nach einem der vorhergehenden Ansprüche umfasst.
  7. Werk (100) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Brücke (5) eine obere Anschlagplatte (56) umfasst, deren untere Oberfläche (57) dafür ausgelegt ist, den axialen Ausschlag der Welle (3) zu begrenzen, und dass die Platine (9) eine untere Anschlagplatte (96) aufweist, deren obere Oberfläche (97) dafür ausgelegt ist, den axialen Ausschlag der Welle (3) zu begrenzen.
  8. Uhr (200), die ein Werk (100) nach Anspruch 6 oder 7 umfasst.
EP12197746.6A 2012-12-18 2012-12-18 Federgehäuse einer Uhr Active EP2746868B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP12197746.6A EP2746868B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr
JP2015546908A JP6027693B2 (ja) 2012-12-18 2013-10-21 時計の香箱
EP13779838.5A EP2936253B1 (de) 2012-12-18 2013-10-21 Federgehäuse einer uhr
CN201380066191.5A CN104885021B (zh) 2012-12-18 2013-10-21 钟表发条盒
US14/653,484 US9291999B2 (en) 2012-12-18 2013-10-21 Timepiece barrel
PCT/EP2013/071989 WO2014095126A1 (fr) 2012-12-18 2013-10-21 Barillet d'horlogerie
HK16102157.7A HK1214374A1 (zh) 2012-12-18 2016-02-25 鐘錶發條盒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12197746.6A EP2746868B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr

Publications (2)

Publication Number Publication Date
EP2746868A1 EP2746868A1 (de) 2014-06-25
EP2746868B1 true EP2746868B1 (de) 2016-04-27

Family

ID=47552772

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12197746.6A Active EP2746868B1 (de) 2012-12-18 2012-12-18 Federgehäuse einer Uhr
EP13779838.5A Active EP2936253B1 (de) 2012-12-18 2013-10-21 Federgehäuse einer uhr

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13779838.5A Active EP2936253B1 (de) 2012-12-18 2013-10-21 Federgehäuse einer uhr

Country Status (6)

Country Link
US (1) US9291999B2 (de)
EP (2) EP2746868B1 (de)
JP (1) JP6027693B2 (de)
CN (1) CN104885021B (de)
HK (1) HK1214374A1 (de)
WO (1) WO2014095126A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3974913A1 (de) 2014-06-30 2022-03-30 Rolex Sa Federgehäuse für uhr
EP3067756B1 (de) * 2015-03-09 2017-11-22 Nivarox-FAR S.A. Schwenkbare einheit für eine uhr
CH711870B1 (fr) * 2015-12-10 2019-08-30 Parmigiani Fleurier S A Mouvement horloger.
JP6753127B2 (ja) * 2016-04-25 2020-09-09 セイコーエプソン株式会社 時計用ムーブメントおよび時計
JP7133909B2 (ja) * 2016-07-04 2022-09-09 ロレックス・ソシエテ・アノニム 時計用組立体の製造方法、及び該製造方法により得られる時計用組立体
EP3575885B1 (de) * 2018-06-01 2022-09-21 Nivarox-FAR S.A. Federhaus für uhren
EP3872576B1 (de) * 2020-02-25 2024-02-21 ETA SA Manufacture Horlogère Suisse Federgehäuse eines uhrwerks mit verdrehter welle

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US163161A (en) * 1875-05-11 Improvement in mainsprings for watches
DE148352C (de)
US161236A (en) * 1875-03-23 Improvement in mainsprings for watches
US174031A (en) * 1876-02-22 Improvement in safety device for mainsprings
CH15286A (fr) * 1897-09-15 1898-04-30 Giuseppe Danasino Mouvement de montre à ressort moteur perfectionné
US730103A (en) * 1903-01-13 1903-06-02 Lewis A Erickson Watch-barrel.
US916123A (en) * 1908-05-25 1909-03-23 Vincent E Duncanson Clock.
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
CH343891A (fr) 1957-12-20 1959-12-31 Revue Fabriques D Horlogerie T Moteur de montre
GB1044852A (en) * 1965-05-10 1966-10-05 Glashutter Uhrenbetr E Veb Spring barrel arrangements for watches
FR1443494A (fr) * 1965-06-10 1966-06-24 Glashuetter Uhrenbetr E Veb Barillet de ressort pour montres
CH665971A4 (de) * 1971-05-05 1972-09-29
CH1838572A4 (de) * 1972-12-18 1974-12-31
JPS50122264U (de) * 1974-03-22 1975-10-06
JPS5188757U (de) * 1975-01-11 1976-07-15
CH607738B (de) 1975-10-21 Ebauchesfabrik Eta Ag Arbre de barillet extractible pour mouvement de montre.
CH702994B1 (fr) * 2010-04-26 2015-07-31 Eterna Sa Fabrique D Horlogerie Pièce d'horlogerie comprenant un barillet monté sur un pont de barillet.

Also Published As

Publication number Publication date
CN104885021B (zh) 2017-04-12
US20150309475A1 (en) 2015-10-29
EP2936253A1 (de) 2015-10-28
US9291999B2 (en) 2016-03-22
EP2936253B1 (de) 2017-11-29
EP2746868A1 (de) 2014-06-25
JP6027693B2 (ja) 2016-11-16
JP2015537225A (ja) 2015-12-24
HK1214374A1 (zh) 2016-07-22
CN104885021A (zh) 2015-09-02
WO2014095126A1 (fr) 2014-06-26

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