EP2570863B1 - Ensemble barillet d'horlogerie à diamètre de bonde réduit - Google Patents

Ensemble barillet d'horlogerie à diamètre de bonde réduit Download PDF

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Publication number
EP2570863B1
EP2570863B1 EP11181353.1A EP11181353A EP2570863B1 EP 2570863 B1 EP2570863 B1 EP 2570863B1 EP 11181353 A EP11181353 A EP 11181353A EP 2570863 B1 EP2570863 B1 EP 2570863B1
Authority
EP
European Patent Office
Prior art keywords
ratchet
drum
core
barrel
shoulder
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
EP11181353.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2570863A1 (fr
Inventor
Marco Rochat
Edmond Capt
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.)
Blancpain SA
Original Assignee
Blancpain SA
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 EP11181353.1A priority Critical patent/EP2570863B1/fr
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to PCT/EP2012/067902 priority patent/WO2013037864A1/fr
Priority to US14/241,714 priority patent/US9158282B2/en
Priority to JP2014530205A priority patent/JP5807121B2/ja
Priority to KR1020147010022A priority patent/KR101625771B1/ko
Priority to IN2742CHN2014 priority patent/IN2014CN02742A/en
Priority to RU2014114786/28A priority patent/RU2557403C1/ru
Priority to CN201280045227.7A priority patent/CN103797423B/zh
Publication of EP2570863A1 publication Critical patent/EP2570863A1/fr
Application granted granted Critical
Publication of EP2570863B1 publication Critical patent/EP2570863B1/fr
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
    • G04B1/165—Spring cylinder with friction transmission to the gearing (especially for Roskopf clockworks)
    • 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

Definitions

  • the invention relates to a barrel assembly for a mechanical watch with reduced bung diameter according to claim 1.
  • the invention also relates to a watch movement comprising at least one such barrel assembly.
  • the invention also relates to a timepiece comprising at least one such movement and / or at least one such barrel assembly.
  • the invention relates to the field of watchmaking, and more particularly the field of energy storage barrels, for feeding a movement, a ring, or other functionality of a room watchmaking.
  • one solution consists of a decrease in the diameter of the barrel shaft and the associated bung, 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.
  • 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.
  • a diameter even greater than that of this shoulder is necessary for a pivoting guide surface of the drum on the shaft or on the bung, combined with a shoulder limiting axial fretting of the drum.
  • the respect of minimal sections of matter implies a quotation chain which results in a large size, difficult to reduce. In particular, it is not enough to reduce all the sizing, because the sections of material are then insufficient to ensure fatigue resistance.
  • the document FR 306 103 in the name of Etablatoriums PARRENIN describes a hollow bung, of length equal to the thickness of the barrel, in which a longer removable axis pivots in a plate and a bridge.
  • the bung and the axis comprise complementary means of pivoting drive, by a square, while allowing an axial movement relative to each other, one of the ends of the axis comprising a square shouldered driving a ratchet .
  • This ratchet is kept outside the barrel, beyond the bridge.
  • a drum pivots on a shouldered shoulder of the bung, and a lid attached to this drum pivots on another shouldered bearing of this bung. The frolicking of the drum with respect to this bung is limited by the two shoulders of these two shoulders in opposite directions.
  • the fringe of the bung relative to the axis is limited, on the side of the ratchet, by a shoulder of the axis cooperating with one end face of the bung, while at the other end the other face in end of the bung comes to bear on the plate.
  • the limitation of the fretting of the axis with respect to the plate and the bridge is provided in one direction, or indirectly, by the bung cooperating with the shoulder of the tree, or by the support of the ratchet on the bridge, while in the other direction it is necessary to add, at the beyond the end of the axis provided with the square drive ratchet, removable stop, or an additional bridge.
  • the document CH 324 249 in the name of COMPAGNIE DES MONTRES LONGINES, FRANCILLON SA describes a one-piece ratchet with the barrel shaft between guide bearings of this shaft in the plate and the bridge.
  • This shaft comprises pivoting drive means of a spring-loaded bung, and on which bung pivot a drum and an associated lid, which enclose the bung without axial play.
  • the fretting of the shaft is limited, in one direction by the support of the ratchet on the bridge, and in the other direction, indirectly via the bung supported by a first end face on an inner face ratchet, its opposite end face bearing on the plate.
  • a document DE 18 72 388 In the name of EPPLE KG OTERO UHREN describes a mechanism of great bulk in thickness, and where the frolicking limitation is made by a leaf spring cooperating with a groove of the shaft, between the bridge and the drum.
  • the document US 1 110 061 in the name of KIENZLE describes a barrel shaft capped with a bung, the shaft has a groove parallel to its axis, in which a longitudinal pin acts as a cam clutch / disengagement between the bung and the shaft in the direction pivoting of the shaft.
  • the drum pivots on the bung, as well as the lid fixed on the drum.
  • the bung has a length corresponding to just the center distance between platinum and bridge, and the shaft can be threaded in the bung after lateral insertion of the assembly formed by the bung, the spring, the drum and the lid.
  • the frolicking of the drum is limited by the bridge in one direction, and by a shoulder of the bung in the other direction.
  • the limitation of the fretting of the shaft relative to the plate and the bridge requires, again, a flange reported on the bridge and limiting the race of the ratchet.
  • the document CH 295 135 in the name of BRAC AG describes a smooth shaft having a head retained by a shoulder of a centering sleeve of a plate, the other smooth end of this shaft pivoting in a bridge.
  • the bung On the smooth side of the tree, the bung carries a ratchet.
  • the limitation of the axial fretting of the bung, in the same direction as the support of the head of the shaft in the centering, is made by the support of the ratchet on a net of the bridge, and in the opposite direction by the support of a face at the end of the bung on this centering.
  • the centering sleeve represents an additional thickness of the barrel.
  • the document FR 1 473 744 in the name of GHIELMETTI describes a particular barrel, which has a cover provided with slots cooperating with lugs of a non-metallic strip inserted between the spring and an auxiliary leaf spring.
  • said spring is fixed to said bung by friction.
  • said spring is welded or brazed to said bung so as to form a monoblock spring-binder subassembly.
  • the invention also relates to a movement comprising at least one such barrel assembly for storing energy with an input constituted by either a ratchet pivotally mounted on said bung or by a toothing of a drum mounted to pivot on said drum. , and an outlet constituted respectively, or by a toothing drum pivotally integral with said drum, or by a ratchet integral pivotally of said bung.
  • the invention also relates to a timepiece comprising at least one such clockwork movement and / or at least one such barrel assembly for energy storage with an incorporated input, or else a ratchet mounted pivotally to said bonde or by a toothing drum mounted pivotally integral with said drum, and an outlet respectively constituted by a toothing drum mounted integral pivoting said drum, or by a ratchet integral pivotally of said bung.
  • the invention relates to the field of watchmaking, and more particularly the field of energy storage barrels, for feeding a movement, a ring, or other functionality of a room watchmaking.
  • the invention relates to a mechanical watch cylinder with reduced bung diameter.
  • the invention relates to a barrel 1 watch assembly, comprising at least one mainspring 2 barrel.
  • This spring 2 is mounted in torsion between, at a first end 21 a barrel drum 3, and at a second end 22 a receiving surface 5 which comprises a barrel plug 4 coaxial with the drum 3 about a pivot axis D.
  • This plug 4 is coaxial with a barrel shaft 18.
  • the maximum radius of the bung 4 with respect to the pivot axis D is less than ten times the maximum thickness of the spring 2.
  • the barrel shaft 18 extends between a first end 86 having a butt end 85 and a second end 87 having a bearing surface 84, which is forced out in a bore 411 that the bung 4 comprises along the axis of pivoting D.
  • the bung 4 comprises a first upper outer shaft portion 43 on which a bore 35 of the drum 3 slides.
  • the barrel shaft 18 comprises, between the end shoulder 85 and the bearing surface 84, a ratchet holder 81 having a bearing for driving a ratchet 12.
  • This ratchet holder 81 directly or indirectly limits the ratchet play of the drum 3 with respect to a bearing face 43A that includes the bung 4 at the edge of the receiving surface 5.
  • the barrel assembly 1 comprises extraction means 190, which are arranged to allow the axial extraction of the bung 4, along the pivot axis D, by the exercise of a thrust or traction force. on the bung 4.
  • the spring 2 is enclosed in a chamber 32 delimited by the drum 3 and a cover 7 fixed on the drum 3, and the plug 4 has a second outer shaft portion 44 on which a bore 75 of the lid 7 slides. .
  • the barrel shaft 18 and the plug 4 trap, with a functional clearance J, a bearing ring 19 movable on the bearing surface 84, between, on the one hand and a first side 191 of the ring 19, or a first shoulder 83 that includes the barrel shaft 18, or the ratchet holder 81, and secondly a second side 192 of the bearing ring 19 opposite the first side 191.
  • This second side 192 is arranged to bear on a first end face 49 that includes the bung 4, the opposite side to a second end face 49A of the bonde 4.
  • This second end face 49A defines, with the end shoulder 85 of the barrel shaft 18, a functional center distance E of the barrel assembly 1, between bearings in which it pivots at the level of pivots. its first end 86 and its second end 87.
  • the functional clearance J is between 0.04 mm and 0.08 mm.
  • the barrel shaft 18 comprises, between the end shoulder 85 and the bearing surface 84, and externally to a housing formed to receive the bearing ring 19, a ratchet holder 81 arranged to receive a ratchet 12. driven on a range that includes the ratchet holder 81.
  • This ratchet holder 81 comprises at least one notch 82 in the immediate vicinity of the first shoulder 83 and partially superimposed on the support ring 19 to allow the exercise of a thrust on the support ring 19 for its disassembly to the using a tool introduced by the notch 82, thus constituting the extraction means 190.
  • the receiving surface 5 is advantageously a surface of revolution with respect to the pivot axis D.
  • the bung 4 is made in two parts, a first tubular portion 4A arranged to cooperate with the barrel shaft 18, and having at its two opposite axial ends the first end face 49 and the second end face 49A.
  • the outer diameter of the tubular portion 4A constitutes a first outer shaft portion 43 arranged to constitute a pivot of a bore 35 of the drum 3, and the other substantially tubular second portion 4B comprises a bore
  • This second part 4B either comprises the receiving surface 5 of the motor spring 2, or constitutes the inner end of the mainspring 2.
  • the figure 5 illustrates, similarly to the figure 2 another variant of the barrel according to the invention, with a ratchet holder 81 located below the bridge, and means for extracting the bung 190 constituted here by a groove 190A.
  • the figure 6 is a variant of this same barrel with interposition of a washer 193 wedging between the bung and the barrel shaft,
  • the spring 2 is fixed to the bung 4 by friction.
  • the spring 2 is welded or brazed to the bung 4 so as to form a monoblock bung spring subassembly.
  • the invention also relates to a watchmaking movement 100 comprising at least one such barrel assembly 1 for storing energy with an incorporated inlet, or else a ratchet 12 mounted to pivotally mount the barrel shaft 18, or by a drum toothing 13 integral in pivoting of the drum 3, and an outlet constituted respectively, or by a toothing drum 13 pivotally integral with the drum 3, or by a ratchet 12 mounted pivotally integral with the barrel shaft 18.
  • the invention also relates to a timepiece 1000 comprising at least one watch movement 100 and / or at least one such barrel assembly 1 for energy storage with an incorporated input, or a ratchet 12 mounted solidarity in pivoting of the barrel shaft 18, or by a toothing of drum 13 integral in pivoting of the drum 3, and an outlet constituted respectively, or by a toothing of drum 13 pivotally integral with the drum 3, or by a ratchet 12 mounted pivotably mounted on the barrel shaft 18.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Springs (AREA)
  • Transmission Devices (AREA)
  • Adornments (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Electromechanical Clocks (AREA)
EP11181353.1A 2011-09-15 2011-09-15 Ensemble barillet d'horlogerie à diamètre de bonde réduit Active EP2570863B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP11181353.1A EP2570863B1 (fr) 2011-09-15 2011-09-15 Ensemble barillet d'horlogerie à diamètre de bonde réduit
US14/241,714 US9158282B2 (en) 2011-09-15 2012-09-13 Timepiece barrel assembly with reduced core diameter
JP2014530205A JP5807121B2 (ja) 2011-09-15 2012-09-13 コア直径が低減された時計の香箱アセンブリ
KR1020147010022A KR101625771B1 (ko) 2011-09-15 2012-09-13 작은 코어 직경을 갖는 시계 배럴 조립체
PCT/EP2012/067902 WO2013037864A1 (fr) 2011-09-15 2012-09-13 Ensemble barillet d'horlogerie a diametre de bonde reduit
IN2742CHN2014 IN2014CN02742A (ko) 2011-09-15 2012-09-13
RU2014114786/28A RU2557403C1 (ru) 2011-09-15 2012-09-13 Узел пружинного барабана часового механизма с сердечником уменьшенного диаметра
CN201280045227.7A CN103797423B (zh) 2011-09-15 2012-09-13 具有减小的芯部直径的钟表发条盒组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11181353.1A EP2570863B1 (fr) 2011-09-15 2011-09-15 Ensemble barillet d'horlogerie à diamètre de bonde réduit

Publications (2)

Publication Number Publication Date
EP2570863A1 EP2570863A1 (fr) 2013-03-20
EP2570863B1 true EP2570863B1 (fr) 2017-11-08

Family

ID=46851978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11181353.1A Active EP2570863B1 (fr) 2011-09-15 2011-09-15 Ensemble barillet d'horlogerie à diamètre de bonde réduit

Country Status (8)

Country Link
US (1) US9158282B2 (ko)
EP (1) EP2570863B1 (ko)
JP (1) JP5807121B2 (ko)
KR (1) KR101625771B1 (ko)
CN (1) CN103797423B (ko)
IN (1) IN2014CN02742A (ko)
RU (1) RU2557403C1 (ko)
WO (1) WO2013037864A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2570862B1 (fr) * 2011-09-15 2014-03-05 ETA SA Manufacture Horlogère Suisse Ensemble barillet d'horlogerie à diamètre de bonde réduit
EP2570861A1 (fr) * 2011-09-15 2013-03-20 ETA SA Manufacture Horlogère Suisse Ensemble barillet d'horlogerie à diamètre de bonde réduit
CH708280A2 (fr) * 2013-07-10 2015-01-15 Eta Sa Manufacture Horlogère Suisse Réglage micrométrique d'ébat de mobile horloger.
EP3067756B1 (fr) * 2015-03-09 2017-11-22 Nivarox-FAR S.A. Ensemble pivotant pour une pièce d'horlogerie

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US182629A (en) * 1876-09-26 Improvement in watch-barrels
US1033020A (en) * 1911-05-31 1912-07-16 Western Clock Mfg Company Clock-spring barrel.
US1110061A (en) * 1914-04-02 1914-09-08 Herbert Kienzle Removable spring-housing for clocks.
GB647819A (en) * 1944-12-12 1950-12-20 Elgin Nat Watch Co Cobalt chromium nickel base alloy
CH306103A (fr) * 1951-10-03 1955-03-31 Soc D Etablissements Parrenin Dispositif de montage des barillets des mouvements de montres, et similaires.
CH295135A (de) * 1951-11-16 1953-12-15 Ag Brac Uhrwerk.
CH324249A (fr) * 1955-10-27 1957-09-15 Longines Montres Comp D Pièce d'horlogerie à barillet moteur
US3121990A (en) * 1960-10-05 1964-02-25 Lip Sa Watch movement
DE1872388U (de) * 1963-03-16 1963-05-16 Epple Kg Otero Uhren Vorrichtung fuer armbanduhren, insbesondere kleinuhren.
JPS5121751Y1 (ko) * 1964-12-24 1976-06-05
FR1473744A (fr) * 1966-04-04 1967-03-17 Ghielmetti S A Boîtier de ressort pour montres à remontage automatique
JPS5046161A (ko) * 1973-08-28 1975-04-24
JPS50122264U (ko) * 1974-03-22 1975-10-06
CH607738B (de) * 1975-10-21 Ebauchesfabrik Eta Ag Arbre de barillet extractible pour mouvement de montre.
JPH11174162A (ja) * 1997-12-11 1999-07-02 Seiko Instruments Inc 香箱車及び機械式時計
DE10357228A1 (de) * 2003-12-08 2005-07-07 Lange Uhren Gmbh Federhausvorrichtung
CH702035B1 (fr) * 2006-10-20 2011-04-29 Eterna Sa Fabrique D Horlogerie Pièce d'horlogerie.
EP2060957A1 (fr) 2007-11-16 2009-05-20 ETA SA Manufacture Horlogère Suisse Organe moteur à ressorts pour mouvement d'horlogerie
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.
WO2012010941A1 (fr) * 2010-07-21 2012-01-26 Rolex S.A. Composant horloger comprenant un alliage métallique amorphe
EP2560055B1 (fr) * 2011-08-17 2018-05-02 ETA SA Manufacture Horlogère Suisse Préréglage d'ébat de mobile horloger
EP2634649B1 (fr) * 2012-02-29 2017-07-12 ETA SA Manufacture Horlogère Suisse Barillet d'horlogerie économique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US20140204719A1 (en) 2014-07-24
JP2014526688A (ja) 2014-10-06
US9158282B2 (en) 2015-10-13
IN2014CN02742A (ko) 2015-07-03
CN103797423A (zh) 2014-05-14
RU2557403C1 (ru) 2015-07-20
EP2570863A1 (fr) 2013-03-20
WO2013037864A1 (fr) 2013-03-21
KR101625771B1 (ko) 2016-05-30
CN103797423B (zh) 2016-09-28
JP5807121B2 (ja) 2015-11-10
KR20140059863A (ko) 2014-05-16

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