EP2570863A1 - Clock barrel assembly with reduced core diameter - Google Patents

Clock barrel assembly with reduced core diameter Download PDF

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Publication number
EP2570863A1
EP2570863A1 EP11181353A EP11181353A EP2570863A1 EP 2570863 A1 EP2570863 A1 EP 2570863A1 EP 11181353 A EP11181353 A EP 11181353A EP 11181353 A EP11181353 A EP 11181353A EP 2570863 A1 EP2570863 A1 EP 2570863A1
Authority
EP
European Patent Office
Prior art keywords
bung
drum
barrel
ratchet
barrel assembly
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.)
Granted
Application number
EP11181353A
Other languages
German (de)
French (fr)
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EP2570863B1 (en
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/en
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to RU2014114786/28A priority patent/RU2557403C1/en
Priority to CN201280045227.7A priority patent/CN103797423B/en
Priority to JP2014530205A priority patent/JP5807121B2/en
Priority to KR1020147010022A priority patent/KR101625771B1/en
Priority to PCT/EP2012/067902 priority patent/WO2013037864A1/en
Priority to US14/241,714 priority patent/US9158282B2/en
Priority to IN2742CHN2014 priority patent/IN2014CN02742A/en
Publication of EP2570863A1 publication Critical patent/EP2570863A1/en
Application granted granted Critical
Publication of EP2570863B1 publication Critical patent/EP2570863B1/en
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.
  • 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 invention proposes to set up a solution allowing a significant reduction of the bung diameter compared to the prior art.
  • the invention relates to a watch-barrel assembly, comprising at least one torsion-mounted barrel-mounted mainspring between a barrel drum at one end and at a second end a receiving surface that includes a plug barrel, coaxial said drum about a pivot axis, and coaxial with a barrel shaft, characterized in that the maximum radius of said bung with respect to said pivot axis is less than ten times the maximum thickness of said spring, further characterized in that said barrel shaft extends between a first end having an end shoulder and a second end having a bearing which is forced out in a bore that comprises said bung along said pivot axis, further characterized in that said bung comprises a first upper outer shaft portion on which a bore of said drum slides, and further characterized in that said barrel shaft comprises, between said end shoulder and said bearing surface, a ratchet holder having a bearing for driving a ratchet, which ratchet limiting, directly or indirectly, the fretting of said drum relative to a bearing face that includes said coupon border
  • said barrel assembly comprises extraction means arranged to allow the axial extraction of said bung, along said pivot axis, by the exercise of a thrust or traction force on said bung .
  • said spring is enclosed in a chamber delimited by said drum and a lid fixed on said drum, and said bung comprises a second lower outer shaft portion on which a bore of said lid slides.
  • said barrel shaft and said bung trap, with a functional clearance, a movable bearing ring on said bearing, between, on the one hand and a first side of said ring, or a first shoulder that comprises said barrel shaft, or said ratchet holder, and secondly and a second side of said bearing ring opposite said first side and arranged to bear on a first end face that includes said bung, on the opposite side to a second end face of said bung, which second end face defining, with said end shoulder of said barrel shaft, a functional spacing of said barrel assembly between bearings in which it pivots at pivots at its said first end and said second end.
  • said barrel shaft comprises, between said end shoulder and said bearing surface, and externally to a housing formed to receive said support ring, a ratchet holder arranged to receive a ratchet driven on a bearing that includes said ratchet holder.
  • said ratchet holder comprises at least one notch in the immediate vicinity of said first shoulder and partially superimposed on said support ring to allow the exercise of a thrust on said support ring for disassembly thereof using a tool introduced by said notch (82).
  • said receiving surface is a surface of revolution with respect to said pivot axis.
  • said bung is made in two parts, the first tubular part arranged to cooperate with said barrel shaft and having at its two opposite axial ends said first end face and said second end face, and whose outer diameter of said tubular portion constitutes a first outer shaft portion arranged to constitute a pivot of a bore of said drum, and the other second substantially tubular portion having a bore driven on said first outer shaft portion and which second portion, or comprises said receiving surface of said motor spring, or constitutes the inner end of said motor spring.
  • said functional clearance is between 0.04 mm and 0.08 mm.
  • 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 1 90A.
  • 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.

Abstract

The assembly (1) has a driving spring (2) mounted between a drum (3) and a reception surface (5) of a core (4). Maximum radius of the core with respect to a pivoting axis (D) is less than ten times the maximum thickness of the spring. An arbor (18) comprises a ratchet holder (81) placed between an end shoulder (85) and a bearing (84), and provided with another bearing to drive a ratchet (12). The ratchet holder directly or indirectly limits the play of the drum relative to a bearing surface of the core that borders the reception surface. An independent claim is also included for a movement.

Description

Domaine de l'inventionField of the invention

L'invention concerne un ensemble barillet pour montre mécanique avec diamètre de bonde réduit.The invention relates to a barrel assembly for a mechanical watch with reduced bung diameter.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel ensemble barillet.The invention also relates to a watch movement comprising at least one such barrel assembly.

L'invention concerne encore une pièce d'horlogerie comportant au moins un tel mouvement ou/et au moins un tel ensemble barillet.The invention also relates to a timepiece comprising at least one such movement and / or at least one such barrel assembly.

L'invention concerne le domaine de l'horlogerie, et plus particulièrement le domaine des barillets de stockage d'énergie, pour l'alimentation d'un mouvement, d'une sonnerie, ou d'une autre fonctionnalité d'une pièce d'horlogerie.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.

Arrière-plan de l'inventionBackground of the invention

Pour augmenter la réserve de marche, par augmentation du nombre de tours d'un ressort de barillet, une solution consiste en une diminution du diamètre de l'arbre de barillet et de la bonde associée, de façon à augmenter la place disponible dans le tambour pour le ressort.To increase the power reserve, by increasing the number of turns of a mainspring, 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.

Le rapport du rayon de bonde par rapport à l'épaisseur du ressort est usuellement compris entre 10 et 20, et l'invention se propose d'abaisser ce rapport en-dessous de 10, et préférentiellement dans la plage comprise entre 5 et 10.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.

Le dimensionnement ne doit pas être fait à la légère, en effet un risque de casse existe sir le diamètre de la bonde est trop faible.Sizing should not be done lightly, indeed a risk of breakage exists if the diameter of the plug is too small.

Dans l'architecture classique des barillets, un rochet est monté axialement sur un axe de barillet ou sur une bonde, par l'intermédiaire d'un carré, le rochet étant généralement fixé par une vis axiale. La dimension de cette vis et celle du carré conditionnent donc un diamètre minimal d'une portée de pivotement. Un épaulement jointif à cette portée de pivotement limite l'ébat axial de l'arbre ou de la bonde par rapport à une platine ou à un pont porteur d'une pierre ou similaire.In the conventional architecture of the barrels, 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.

Un diamètre encore supérieur à celui de cet épaulement est nécessaire pour une portée de guidage en pivotement du tambour sur l'arbre ou sur la bonde, combinée à un épaulement de limitation de l'ébat axial du tambour. Le respect de sections de matière minimales implique une chaîne de cotation qui se traduit par un encombrement conséquent, difficile à réduire. On ne peut en particulier pas se contenter de réduire l'ensemble des dimensionnements, car les sections de matière sont alors insuffisantes pour assurer la tenue en fatigue.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.

Résumé de l'inventionSummary of the invention

Du fait de ces limites physiques au dimensionnement des différents composants, il est nécessaire d'envisager d'autres architectures de barillet que l'architecture classique qui vient d'être décrite.Because of these physical limitations to the dimensioning of the various components, it is necessary to consider other barrel architectures than the conventional architecture that has just been described.

Une contrainte importante est d'assurer la démontabilité de l'ensemble, pour un éventuel échange du ressort de barillet.An important constraint is to ensure the disassembly of the assembly, for a possible exchange of the mainspring.

L'invention se propose de mettre en place une solution permettant une diminution importante du diamètre de bonde par rapport à l'art antérieur.The invention proposes to set up a solution allowing a significant reduction of the bung diameter compared to the prior art.

A cet effet, l'invention concerne un ensemble barillet d'horlogerie, comportant au moins un ressort moteur de barillet monté en torsion entre, à une première extrémité un tambour de barillet, et à une deuxième extrémité une surface de réception que comporte une bonde de barillet, coaxiale audit tambour autour d'un axe de pivotement, et coaxiale à un arbre de barillet, caractérisé en ce que le rayon maximal de ladite bonde par rapport audit axe de pivotement est inférieur à dix fois l'épaisseur maximale dudit ressort, encore caractérisé en ce que ledit arbre de barillet s'étend entre une première extrémité comportant un épaulement de bout et une seconde extrémité comportant une portée laquelle est chassée à force dans un alésage que comporte ladite bonde selon ledit axe de pivotement, encore caractérisé en ce que ladite bonde comporte une première partie arbrée externe supérieure sur laquelle coulisse un alésage dudit tambour, et encore caractérisé en ce que ledit arbre de barillet comporte, entre ledit épaulement de bout et ladite portée, un porte-rochet comportant une portée pour le chassage d'un rochet, lequel porte-rochet limitant, directement ou indirectement, l'ébat dudit tambour par rapport à une face d'appui que comporte ladite bonde en bordure de ladite surface de réception.For this purpose, the invention relates to a watch-barrel assembly, comprising at least one torsion-mounted barrel-mounted mainspring between a barrel drum at one end and at a second end a receiving surface that includes a plug barrel, coaxial said drum about a pivot axis, and coaxial with a barrel shaft, characterized in that the maximum radius of said bung with respect to said pivot axis is less than ten times the maximum thickness of said spring, further characterized in that said barrel shaft extends between a first end having an end shoulder and a second end having a bearing which is forced out in a bore that comprises said bung along said pivot axis, further characterized in that said bung comprises a first upper outer shaft portion on which a bore of said drum slides, and further characterized in that said barrel shaft comprises, between said end shoulder and said bearing surface, a ratchet holder having a bearing for driving a ratchet, which ratchet limiting, directly or indirectly, the fretting of said drum relative to a bearing face that includes said coupon bordering said receiving surface.

Selon une caractéristique de l'invention, ledit ensemble barillet comporte des moyens d'extraction agencés pour permettre l'extraction axiale de ladite bonde, selon ledit axe de pivotement, par l'exercice d'un effort de poussée ou de traction sur ladite bonde.According to a characteristic of the invention, said barrel assembly comprises extraction means arranged to allow the axial extraction of said bung, along said pivot axis, by the exercise of a thrust or traction force on said bung .

Selon une caractéristique de l'invention, ledit ressort est enfermé dans une chambre délimitée par ledit tambour et un couvercle fixé sur ledit tambour, et ladite bonde comporte une seconde partie arbrée externe inférieure sur laquelle coulisse un alésage dudit couvercle.According to a characteristic of the invention, said spring is enclosed in a chamber delimited by said drum and a lid fixed on said drum, and said bung comprises a second lower outer shaft portion on which a bore of said lid slides.

Selon une caractéristique de l'invention, ledit arbre de barillet et ladite bonde emprisonnent, avec un jeu fonctionnel, une bague d'appui mobile sur ladite portée, entre, d'une part et d'un premier côté de ladite bague, ou bien un premier épaulement que comporte ledit arbre de barillet, ou bien ledit porte-rochet, et d'autre part et d'un second côté de ladite bague d'appui opposé audit premier côté et agencé pour prendre appui sur une première face de bout que comporte ladite bonde, du côté opposé à une seconde face de bout de ladite bonde, laquelle seconde face de bout définissant, avec ledit épaulement de bout dudit arbre de barillet, un entraxe fonctionnel dudit ensemble barillet entre des paliers dans lesquels il pivote au niveau de pivots au niveau de sa dite première extrémité et de sa dite seconde extrémité .According to one characteristic of the invention, said barrel shaft and said bung trap, with a functional clearance, a movable bearing ring on said bearing, between, on the one hand and a first side of said ring, or a first shoulder that comprises said barrel shaft, or said ratchet holder, and secondly and a second side of said bearing ring opposite said first side and arranged to bear on a first end face that includes said bung, on the opposite side to a second end face of said bung, which second end face defining, with said end shoulder of said barrel shaft, a functional spacing of said barrel assembly between bearings in which it pivots at pivots at its said first end and said second end.

Selon une caractéristique de l'invention, ledit arbre de barillet comporte, entre ledit épaulement de bout et ladite portée, et extérieurement à un logement ménagé pour recevoir ladite bague d'appui, un porte-rochet agencé pour recevoir un rochet chassé sur une portée que comporte ledit porte-rochet.According to a characteristic of the invention, said barrel shaft comprises, between said end shoulder and said bearing surface, and externally to a housing formed to receive said support ring, a ratchet holder arranged to receive a ratchet driven on a bearing that includes said ratchet holder.

Selon une caractéristique de l'invention, ledit porte-rochet comporte au moins une encoche au voisinage immédiat dudit premier épaulement et partiellement superposée à ladite bague d'appui pour permettre l'exercice d'une poussée sur ladite bague d'appui pour son démontage à l'aide d'un outil introduit par ladite encoche (82).According to a feature of the invention, said ratchet holder comprises at least one notch in the immediate vicinity of said first shoulder and partially superimposed on said support ring to allow the exercise of a thrust on said support ring for disassembly thereof using a tool introduced by said notch (82).

Selon une caractéristique de l'invention, ladite surface de réception est une surface de révolution par rapport audit axe de pivotement.According to a characteristic of the invention, said receiving surface is a surface of revolution with respect to said pivot axis.

Selon une caractéristique de l'invention, ladite bonde est réalisée en deux parties, l'une première partie tubulaire agencée pour coopérer avec ledit arbre de barillet et comportant à ses deux extrémités axiales opposées ladite première face de bout et ladite seconde face de bout, et dont le diamètre extérieur de ladite partie tubulaire constitue une première partie arbrée externe agencée pour constituer un pivot d'un alésage dudit tambour, et l'autre deuxième partie sensiblement tubulaire comportant un alésage chassé sur ladite première partie arbrée externe et laquelle deuxième partie, ou bien comporte ladite surface de réception dudit ressort moteur, ou bien constitue l'extrémité interne dudit ressort moteur.According to a characteristic of the invention, said bung is made in two parts, the first tubular part arranged to cooperate with said barrel shaft and having at its two opposite axial ends said first end face and said second end face, and whose outer diameter of said tubular portion constitutes a first outer shaft portion arranged to constitute a pivot of a bore of said drum, and the other second substantially tubular portion having a bore driven on said first outer shaft portion and which second portion, or comprises said receiving surface of said motor spring, or constitutes the inner end of said motor spring.

Selon une caractéristique de l'invention, ledit jeu fonctionnel est compris entre 0,04 mm et 0,08 mm.According to one characteristic of the invention, said functional clearance is between 0.04 mm and 0.08 mm.

Selon une caractéristique de l'invention, ledit ressort est fixé à ladite bonde par friction.According to a characteristic of the invention, said spring is fixed to said bung by friction.

Selon une caractéristique de l'invention, ledit ressort est soudé ou brasé à ladite bonde de façon à former un sous-ensemble ressort-bonde monobloc.According to a characteristic of the invention, said spring is welded or brazed to said bung so as to form a monoblock spring-binder subassembly.

L'invention concerne encore un mouvement comportant au moins un tel ensemble barillet pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet monté solidaire en pivotement de ladite bonde ou bien par une denture de tambour montée solidaire en pivotement dudit tambour, et une sortie constituée respectivement, ou bien par une denture de tambour montée solidaire en pivotement dudit tambour, ou bien par un rochet monté solidaire en pivotement de ladite bonde.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.

L'invention concerne encore une pièce d'horlogerie comportant au moins un tel mouvement d'horlogerie ou/et au moins un tel ensemble barillet pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet monté solidaire en pivotement de ladite bonde ou bien par une denture de tambour montée solidaire en pivotement dudit tambour, et une sortie constituée respectivement, ou bien par une denture de tambour montée solidaire en pivotement dudit tambour, ou bien par un rochet monté solidaire en pivotement de ladite bonde.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.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront mieux à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où:

  • la figure 1 représente, de façon schématisée et en coupe dans un plan passant par son axe de pivotement, un barillet d'horlogerie selon l'invention, avec une bonde montée sur un arbre de barillet,
  • la figure 2 est un détail de la partie centrale de la figure 1,
  • la figure 3 est une vue de dessus, partielle, de l'ensemble barillet de la figure 1,
  • la figure 4 est une variante du barillet de la figure 1, avec une bonde elle-même réalisée en deux parties coaxiales et montée sur un arbre de barillet,
  • la figure 5 représente, de façon similaire à la figure 2, une autre variante de barillet selon l'invention, avec un porte-rochet situé sous le pont, et des moyens d'extraction de la bonde, et la figure 6 est une variante de ce même barillet avec interposition d'une rondelle de calage entre la bonde et l'arbre de barillet,
  • la figure 7 représente, sous forme d'un schéma-blocs, un mouvement d'horlogerie comportant un ensemble barillet selon l'invention, et une pièce d'horlogerie comportant ce mouvement et un ensemble barillet selon l'invention.
Other characteristics and advantages of the invention will appear better on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the figure 1 represents, schematically and in section in a plane passing through its pivot axis, a watch cylinder according to the invention, with a bung mounted on a barrel shaft,
  • the figure 2 is a detail of the central part of the figure 1 ,
  • the figure 3 is a top view, partial, of the barrel set of the figure 1 ,
  • the figure 4 is a variant of the barrel of the figure 1 , with a bung itself made of two coaxial parts and mounted on a barrel shaft,
  • the figure 5 represents, similarly to the figure 2 another variant of the cylinder according to the invention, with a ratchet holder located under the bridge, and means for extracting the bung, and the figure 6 is a variant of this same barrel with interposition of a wedge washer between the bung and the barrel shaft,
  • the figure 7 represents, in the form of a block diagram, a watch movement comprising a barrel assembly according to the invention, and a timepiece comprising this movement and a barrel assembly according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention concerne le domaine de l'horlogerie, et plus particulièrement le domaine des barillets de stockage d'énergie, pour l'alimentation d'un mouvement, d'une sonnerie, ou d'une autre fonctionnalité d'une pièce d'horlogerie.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.

Plus particulièrement, l'invention concerne un barillet pour montre mécanique avec diamètre de bonde réduit.More particularly, the invention relates to a mechanical watch cylinder with reduced bung diameter.

L'invention concerne un ensemble barillet 1 d'horlogerie, comportant au moins un ressort moteur 2 de barillet. Ce ressort 2 est monté en torsion entre, à une première extrémité 21 un tambour 3 de barillet, et à une deuxième extrémité 22 une surface de réception 5 que comporte une bonde 4 de barillet coaxiale à ce tambour 3 autour d'un axe de pivotement D.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.

Cette bonde 4 est coaxiale à un arbre de barillet 18.This plug 4 is coaxial with a barrel shaft 18.

Selon l'invention, le rayon maximal de la bonde 4 par rapport à l'axe de pivotement D est inférieur à dix fois l'épaisseur maximale du ressort 2.According to the invention, 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.

Dans la version illustrée par la figure 1, l'arbre de barillet 18 s'étend entre une première extrémité 86 comportant un épaulement de bout 85 et une seconde extrémité 87 comportant une portée 84, laquelle est chassée à force dans un alésage 411 que comporte la bonde 4 selon l'axe de pivotement D.In the version illustrated by the figure 1 , 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.

La bonde 4 comporte une première partie arbrée externe 43 supérieure sur laquelle coulisse un alésage 35 du tambour 3.The bung 4 comprises a first upper outer shaft portion 43 on which a bore 35 of the drum 3 slides.

L'arbre de barillet 18 comporte, entre l'épaulement de bout 85 et la portée 84, un porte-rochet 81 comportant une portée pour le chassage d'un rochet 12. Ce porte-rochet 81 limite, directement ou indirectement, l'ébat du tambour 3 par rapport à une face d'appui 43A que comporte la bonde 4 en bordure de la surface de réception 5.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.

Avantageusement, l'ensemble barillet 1 comporte des moyens d'extraction 190, qui sont agencés pour permettre l'extraction axiale de la bonde 4, selon l'axe de pivotement D, par l'exercice d'un effort de poussée ou de traction sur la bonde 4.Advantageously, 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.

Tel qu'illustré, le ressort 2 est enfermé dans une chambre 32 délimitée par le tambour 3 et un couvercle 7 fixé sur le tambour 3, et la bonde 4 comporte une seconde partie arbrée externe 44 inférieure sur laquelle coulisse un alésage 75 du couvercle 7.As illustrated, 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. .

Selon l'invention, tel que visible sur les figures 1, 2 et 3, l'arbre de barillet 18 et la bonde 4 emprisonnent, avec un jeu fonctionnel J, une bague d'appui 19 mobile sur la portée 84, entre, d'une part et d'un premier côté 191 de la bague 19, ou bien un premier épaulement 83 que comporte le arbre de barillet 18, ou bien le porte-rochet 81, et d'autre part et d'un second côté 192 de la bague d'appui 19 opposé au premier côté 191. Ce second côté 192 est agencé pour prendre appui sur une première face de bout 49 que comporte la bonde 4, du côté opposé à une seconde face de bout 49A de la bonde 4. Cette seconde face de bout 49A définit, avec l'épaulement de bout 85 de l'arbre de barillet 18, un entraxe fonctionnel E de l'ensemble barillet 1, entre des paliers dans lesquels il pivote au niveau de pivots au niveau de sa première extrémité 86 et de sa seconde extrémité 87.According to the invention, as visible on the Figures 1, 2 and 3 , 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.

De préférence, le jeu fonctionnel J est compris entre 0,04 mm et 0,08 mm.Preferably, the functional clearance J is between 0.04 mm and 0.08 mm.

Dans cette version, l'arbre de barillet 18 comporte, entre l'épaulement de bout 85 et la portée 84, et extérieurement à un logement ménagé pour recevoir la bague d'appui 19, un porte-rochet 81 agencé pour recevoir un rochet 12 chassé sur une portée que comporte le porte-rochet 81.In this version, 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.

Ce porte-rochet 81 comporte au moins une encoche 82 au voisinage immédiat du premier épaulement 83 et partiellement superposée à la bague d'appui 19 pour permettre l'exercice d'une poussée sur la bague d'appui 19 pour son démontage à l'aide d'un outil introduit par la encoche 82, constituant ainsi les moyens d'extraction 190.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.

Dans cette variante, la surface de réception 5 est avantageusement une surface de révolution par rapport au axe de pivotement D.In this variant, the receiving surface 5 is advantageously a surface of revolution with respect to the pivot axis D.

Dans la variante de la figure 4, la bonde 4 est réalisée en deux parties, l'une première partie tubulaire 4A agencée pour coopérer avec l'arbre de barillet 18, et comportant à ses deux extrémités axiales opposées la première face de bout 49 et la seconde face de bout 49A. Le diamètre extérieur de la partie tubulaire 4A constitue une première partie arbrée externe 43 agencée pour constituer un pivot d'un alésage 35 du tambour 3, et l'autre deuxième partie 4B sensiblement tubulaire comporte un alésage chassé sur la première partie arbrée externe 43. Cette deuxième partie 4B, ou bien comporte la surface de réception 5 du ressort moteur 2, ou bien constitue l'extrémité interne du ressort moteur 2.In the variant of the figure 4 , 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.

La figure 5 illustre, de façon similaire à la figure 2, une autre variante de barillet selon l'invention, avec un porte-rochet 81 situé sous le pont, et des moyens d'extraction de la bonde 190 constitués ici par une gorge 1 90A.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 1 90A.

La figure 6 est une variante de ce même barillet avec interposition d'une rondelle 193 de calage entre la bonde et l'arbre de barillet,The figure 6 is a variant of this same barrel with interposition of a washer 193 wedging between the bung and the barrel shaft,

Dans une variante non illustrée, le ressort 2 est fixé à la bonde 4 par friction.In a variant not shown, the spring 2 is fixed to the bung 4 by friction.

De façon avantageuse, le ressort 2 est soudé ou brasé à la bonde 4 de façon à former un sous-ensemble ressort-bonde monobloc.Advantageously, the spring 2 is welded or brazed to the bung 4 so as to form a monoblock bung spring subassembly.

L'invention concerne encore un mouvement d'horlogerie 100 comportant au moins un tel ensemble barillet 1 pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet 12 monté solidaire en pivotement du arbre de barillet 18, ou bien par une denture de tambour 13 solidaire en pivotement du tambour 3, et une sortie constituée respectivement, ou bien par une denture de tambour 13 solidaire en pivotement du tambour 3, ou bien par un rochet 12 monté solidaire en pivotement du arbre de barillet 18.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.

L'invention concerne encore une pièce d'horlogerie 1000 comportant au moins un tel mouvement d'horlogerie 100 ou/et au moins un tel ensemble barillet 1 pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet 12 monté solidaire en pivotement du arbre de barillet 18, ou bien par une denture de tambour 13 solidaire en pivotement du tambour 3, et une sortie constituée respectivement, ou bien par une denture de tambour 13 solidaire en pivotement du tambour 3, ou bien par un rochet 12 monté solidaire en pivotement du arbre de barillet 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.

Claims (14)

Ensemble barillet (1) d'horlogerie, comportant au moins un ressort moteur (2) de barillet monté en torsion entre, à une première extrémité (21) un tambour (3) de barillet, et à une deuxième extrémité (22) une surface de réception (5) que comporte une bonde (4) de barillet, coaxiale audit tambour (3) autour d'un axe de pivotement (D), et coaxiale à un arbre de barillet (18), caractérisé en ce que le rayon maximal de ladite bonde (4) par rapport audit axe de pivotement (D) est inférieur à dix fois l'épaisseur maximale dudit ressort (2), encore caractérisé en ce que ledit arbre de barillet (18) s'étend entre une première extrémité (86) comportant un épaulement de bout (85) et une seconde extrémité (87) comportant une portée (84) laquelle est chassée à force dans un alésage (411) que comporte ladite bonde (4) selon ledit axe de pivotement (D), encore caractérisé en ce que ladite bonde (4) comporte une première partie arbrée externe (43) supérieure sur laquelle coulisse un alésage (35) dudit tambour (3), et encore caractérisé en ce que ledit arbre de barillet (18) comporte, entre ledit épaulement de bout (85) et ladite portée (84), un porte-rochet (81) comportant une portée pour le chassage d'un rochet (12), lequel porte-rochet (81) limitant, directement ou indirectement, l'ébat dudit tambour (3) par rapport à une face d'appui (43A) que comporte ladite bonde (4) en bordure de ladite surface de réception (5).A watch cylinder assembly (1), comprising at least one torsion-mounted mainspring (2) mounted between a barrel drum (3) at a first end (21) and a surface (2) at a second end (22). receiving device (5) which comprises a barrel plug (4), coaxial with said drum (3) about a pivot axis (D), and coaxial with a barrel shaft (18), characterized in that the maximum radius said bung (4) with respect to said pivot axis (D) is less than ten times the maximum thickness of said spring (2), further characterized in that said barrel shaft (18) extends between a first end ( 86) having an end shoulder (85) and a second end (87) having a bearing surface (84) which is force-driven into a bore (411) which said bung (4) comprises along said pivot axis (D), further characterized in that said bung (4) has a first outer shaft portion (43) on top of which it slides a bore (35) of said drum (3), and further characterized in that said barrel shaft (18) has, between said end shoulder (85) and said seat (84), a ratchet holder (81) having a bearing for driving a ratchet (12), which ratchet carrier (81) limiting, directly or indirectly, the start of said drum (3) relative to a bearing face (43A) that includes said bung (4) bordering said receiving surface (5). Ensemble barillet (1) selon la revendication précédente, caractérisé en ce qu'il comporte des moyens d'extraction (190) agencés pour permettre l'extraction axiale de ladite bonde (4), selon ledit axe de pivotement (D), par l'exercice d'un effort de poussée ou de traction sur ladite bonde (4).Barrel assembly (1) according to the preceding claim, characterized in that it comprises extraction means (190) arranged to allow the axial extraction of said plug (4), along said pivot axis (D), by the exerting a thrust or traction force on said bung (4). Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce que ledit ressort (2) est enfermé dans une chambre (32) délimitée par ledit tambour (3) et un couvercle (7) fixé sur ledit tambour (3), et en ce que ladite bonde (4) comporte une seconde partie arbrée externe (44) inférieure sur laquelle coulisse un alésage (75) dudit couvercle (7).Barrel assembly (1) according to one of the preceding claims, characterized in that said spring (2) is enclosed in a chamber (32) delimited by said drum (3) and a cover (7) fixed on said drum (3) , and in that said bung (4) comprises a second lower outer shaft portion (44) on which a bore (75) of said cover (7) slides. Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce que ledit arbre de barillet (18) et ladite bonde (4) emprisonnent, avec un jeu fonctionnel (J), une bague d'appui (19) mobile sur ladite portée (84), entre, d'une part et d'un premier côté (191) de ladite bague (19), ou bien un premier épaulement (83) que comporte ledit arbre de barillet (18), ou bien ledit porte-rochet (81), et d'autre part et d'un second côté (192) de ladite bague d'appui (19) opposé audit premier côté (191) et agencé pour prendre appui sur une première face de bout (49) que comporte ladite bonde (4), du côté opposé à une seconde face de bout (49A) de ladite bonde (4), laquelle seconde face de bout (49A) définissant, avec ledit épaulement de bout (85) dudit arbre de barillet (18), un entraxe fonctionnel (E) dudit ensemble barillet (1) entre des paliers dans lesquels il pivote au niveau de pivots au niveau de sa dite première extrémité (86) et de sa dite seconde extrémité (87).Barrel assembly (1) according to one of the preceding claims, characterized in that said barrel shaft (18) and said bung (4) trap, with a functional clearance (J), a bearing ring (19) movable on said bearing surface (84), between, on the one hand and a first side (191) of said ring (19), or a first shoulder (83) that comprises said barrel shaft (18), or said door -rochet (81), and secondly and a second side (192) of said support ring (19) opposite said first side (191) and arranged to bear on a first end face (49) said bung (4) comprises, on the opposite side to a second end face (49A) of said bung (4), which second end face (49A) defining, with said end shoulder (85) of said barrel shaft ( 18), a functional spacing (E) of said barrel assembly (1) between bearings in which it pivots at pivots at its said first end (86) and said second end (87). Ensemble barillet (1) selon la revendication précédente, caractérisé en ce que ledit jeu fonctionnel (J) est compris entre 0,04 mm et 0,08 mm.Barrel assembly (1) according to the preceding claim, characterized in that said functional clearance (J) is between 0.04 mm and 0.08 mm. Ensemble barillet (1) selon la revendication 4 ou 5, caractérisé en ce que ledit un porte-rochet (81) comporte un logement intérieur destiné à recevoir ladite bague d'appui (19).Barrel assembly (1) according to claim 4 or 5, characterized in that said one ratchet carrier (81) comprises an inner housing for receiving said support ring (19). Ensemble barillet (1) selon l'une des revendications 4 à 6, caractérisé en ce que ledit porte-rochet (81) comporte au moins une encoche (82) au voisinage immédiat dudit premier épaulement (83) et partiellement superposée à ladite bague d'appui (19) pour permettre l'exercice d'une poussée sur ladite bague d'appui (19) pour son démontage à l'aide d'un outil introduit par ladite encoche (82), ladite au moins une encoche (82) et ladite bague d'appui (49) constituant ensemble des moyens d'extraction (190) de ladite bonde (4).Barrel assembly (1) according to one of claims 4 to 6, characterized in that said ratchet holder (81) comprises at least one notch (82) in the immediate vicinity of said first shoulder (83) and partially superimposed on said ring. support (19) to allow the exercise of a thrust on said support ring (19) for disassembly using a tool introduced by said notch (82), said at least one notch (82) and said support ring (49) together constituting extraction means (190) of said bung (4). Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce qu'il comporte des moyens d'extraction (190) agencés pour permettre l'extraction axiale de ladite bonde (4), selon ledit axe de pivotement (D), par l'exercice d'un effort de traction sur ladite bonde (4), qui sont constitués par au moins une gorge (190A) ou/et un épaulement que comporte ladite bonde (4) à proximité d'une seconde face de bout (49A) que comporte ladite bonde (4), à une de ses extrémités opposée à ladite face d'appui (43A) et au-delà d'une seconde partie arbrée externe (44) inférieure que comporte ladite bonde (4) et agencée pour recevoir en coulissement un alésage (75) d'un couvercle (7) agencé pour constituer avec ledit tambour (3) une chambre (32) contenant ledit au moins un ressort moteur (2).Barrel assembly (1) according to one of the preceding claims, characterized in that it comprises extraction means (190) arranged to allow the axial extraction of said plug (4) along said pivot axis (D) , by exerting a tensile force on said bung (4), which consist of at least one groove (190A) and / or a shoulder that includes said bung (4) near a second end face (49A) that comprises said bung (4), at one of its ends opposite to said bearing face (43A) and beyond a second outer shaft portion (44) that comprises said lower bung (4) and arranged for slidably receiving a bore (75) of a cover (7) arranged to form with said drum (3) a chamber (32) containing said at least one motor spring (2). Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce que ladite surface de réception (5) est une surface de révolution par rapport audit axe de pivotement (D).Barrel assembly (1) according to one of the preceding claims, characterized in that said receiving surface (5) is a surface of revolution with respect to said pivot axis (D). Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce que ladite bonde (4) est réalisée en deux parties, l'une première partie tubulaire (4A) agencée pour coopérer avec ledit arbre de barillet (18) et comportant à ses deux extrémités axiales opposées ladite première face de bout (49) et ladite seconde face de bout (49A), et dont le diamètre extérieur de ladite partie tubulaire (4A) constitue une première partie arbrée externe (43) agencée pour constituer un pivot d'un alésage (35) dudit tambour (3), et l'autre deuxième partie (4B) sensiblement tubulaire comportant un alésage chassé sur ladite première partie arbrée externe (43) et laquelle deuxième partie (4B), ou bien comporte ladite surface de réception (5) dudit ressort moteur (2), ou bien constitue l'extrémité interne dudit ressort moteur (2).Barrel assembly (1) according to one of the preceding claims, characterized in that said plug (4) is made in two parts, a first tubular portion (4A) arranged to cooperate with said barrel shaft (18) and comprising at its two opposed axial ends, said first end face (49) and said second end face (49A), and whose outer diameter of said tubular portion (4A) constitutes a first outer shaft portion (43) arranged to constitute a pivot a bore (35) of said drum (3), and the other substantially tubular second portion (4B) having a bore driven on said first outer shaft portion (43) and which second portion (4B), or comprises said surface receiving (5) of said mainspring (2), or constitutes the inner end of said mainspring (2). Ensemble barillet (1) selon l'une des revendications précédentes, caractérisé en ce que ledit ressort (2) est fixé à ladite bonde (4) par friction.Barrel assembly (1) according to one of the preceding claims, characterized in that said spring (2) is fixed to said bung (4) by friction. Ensemble barillet (1) selon l'une des revendications 1 à 10, caractérisé en ce que ledit ressort (2) est soudé ou brasé à ladite bonde (4) de façon à former un sous-ensemble ressort-bonde monobloc.Barrel assembly (1) according to one of claims 1 to 10, characterized in that said spring (2) is welded or brazed to said bung (4) so as to form a monoblock spring-binder subassembly. Mouvement d'horlogerie (100) comportant au moins un ensemble barillet (1) selon l'une des revendications précédentes pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet (12) monté solidaire en pivotement dudit arbre de barillet (18), ou bien par une denture de tambour (13) solidaire en pivotement dudit tambour (3), et une sortie constituée respectivement, ou bien par une denture de tambour (13) solidaire en pivotement dudit tambour (3), ou bien par un rochet (12) monté solidaire en pivotement dudit arbre de barillet (18).Watchmaking movement (100) comprising at least one barrel assembly (1) according to one of the preceding claims for energy storage with an incorporated inlet, or by a ratchet (12) mounted pivotally integral with said barrel shaft (18), or by a toothing drum (13) pivotally integral with said drum (3), and an outlet formed respectively, or by a toothing drum (13) pivotally integral with said drum (3), or by a ratchet (12) mounted pivotally integral with said barrel shaft (18). Pièce d'horlogerie (1000) comportant au moins un mouvement d'horlogerie (100) selon la revendication 13 ou/et au moins un ensemble barillet (1) selon l'une des revendications 1 à 12 pour le stockage d'énergie avec une entrée constituée, ou bien par un rochet (12) monté solidaire en pivotement dudit arbre de barillet (18), ou bien par une denture de tambour (13) solidaire en pivotement dudit tambour (3), et une sortie constituée respectivement, ou bien par une denture de tambour (13) solidaire en pivotement dudit tambour (3), ou bien par un rochet (12) monté solidaire en pivotement dudit arbre de barillet (18).Timepiece (1000) comprising at least one watch movement (100) according to Claim 13 or / and at least one barrel assembly (1) according to one of Claims 1 to 12 for storing energy with a an inlet constituted by a ratchet (12) pivotably mounted to said barrel shaft (18), or by a drum toothing (13) pivotally attached to said drum (3), and an outlet constituted respectively, or by a toothing drum (13) pivotally integral with said drum (3), or by a ratchet (12) mounted pivotally integral with said barrel shaft (18).
EP11181353.1A 2011-09-15 2011-09-15 Clock barrel assembly with reduced core diameter Active EP2570863B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP11181353.1A EP2570863B1 (en) 2011-09-15 2011-09-15 Clock barrel assembly with reduced core diameter
CN201280045227.7A CN103797423B (en) 2011-09-15 2012-09-13 There is the clockwork feed case assembly of the core diameters of reduction
JP2014530205A JP5807121B2 (en) 2011-09-15 2012-09-13 Watch barrel assembly with reduced core diameter
KR1020147010022A KR101625771B1 (en) 2011-09-15 2012-09-13 Timepiece barrel assembly having a small core diameter
RU2014114786/28A RU2557403C1 (en) 2011-09-15 2012-09-13 Barrel drum unit of clock mechanism having core with reduced diameter
PCT/EP2012/067902 WO2013037864A1 (en) 2011-09-15 2012-09-13 Timepiece barrel assembly having a small core diameter
US14/241,714 US9158282B2 (en) 2011-09-15 2012-09-13 Timepiece barrel assembly with reduced core diameter
IN2742CHN2014 IN2014CN02742A (en) 2011-09-15 2012-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11181353.1A EP2570863B1 (en) 2011-09-15 2011-09-15 Clock barrel assembly with reduced core diameter

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

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EP11181353.1A Active EP2570863B1 (en) 2011-09-15 2011-09-15 Clock barrel assembly with reduced core diameter

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2570862B1 (en) * 2011-09-15 2014-03-05 ETA SA Manufacture Horlogère Suisse Clock barrel assembly with reduced core diameter
EP2570861A1 (en) * 2011-09-15 2013-03-20 ETA SA Manufacture Horlogère Suisse Clock barrel assembly with reduced core diameter
CH708280A2 (en) * 2013-07-10 2015-01-15 Eta Sa Manufacture Horlogère Suisse micrometer mobile watchmaker frolic setting.
EP3067756B1 (en) * 2015-03-09 2017-11-22 Nivarox-FAR S.A. Swivel assembly for a timepiece

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US182629A (en) * 1876-09-26 Improvement in watch-barrels
US1110061A (en) * 1914-04-02 1914-09-08 Herbert Kienzle Removable spring-housing for clocks.
CH295135A (en) * 1951-11-16 1953-12-15 Ag Brac Clockwork.
CH306103A (en) * 1951-10-03 1955-03-31 Soc D Etablissements Parrenin Device for mounting the barrels of watch movements, and the like.
CH324249A (en) * 1955-10-27 1957-09-15 Longines Montres Comp D Timepiece with motor barrel
DE1872388U (en) * 1963-03-16 1963-05-16 Epple Kg Otero Uhren DEVICE FOR WRISTWATCHES, IN PARTICULAR SMALL WATCHES.
FR1473744A (en) * 1966-04-04 1967-03-17 Ghielmetti S A Spring case for self-winding watches

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GB647819A (en) * 1944-12-12 1950-12-20 Elgin Nat Watch Co Cobalt chromium nickel base alloy
US3121990A (en) * 1960-10-05 1964-02-25 Lip Sa Watch movement
JPS5121751Y1 (en) * 1964-12-24 1976-06-05
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CH607738B (en) * 1975-10-21 Ebauchesfabrik Eta Ag ARBRE DE BARILLET EXTRACTIBLE POUR MOUVEMENT DE MONTRE.
JPH11174162A (en) * 1997-12-11 1999-07-02 Seiko Instruments Inc Barrel wheel and mechanical time piece
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CH702035B1 (en) * 2006-10-20 2011-04-29 Eterna Sa Fabrique D Horlogerie Timepiece.
EP2060957A1 (en) 2007-11-16 2009-05-20 ETA SA Manufacture Horlogère Suisse Motor element with springs for timepiece movement
CH700058B1 (en) * 2008-12-15 2013-09-13 Francois Durafourg Assembly including a winding ratchet attached to a barrel arbor and barrel shaft for this set.
JP6346441B2 (en) * 2010-07-21 2018-06-20 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ Watch parts containing amorphous metal alloys
EP2560055B1 (en) * 2011-08-17 2018-05-02 ETA SA Manufacture Horlogère Suisse Pre-adjustment of the play of a horological wheel
EP2634649B1 (en) * 2012-02-29 2017-07-12 ETA SA Manufacture Horlogère Suisse Inexpensive timepiece barrel

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Publication number Priority date Publication date Assignee Title
US182629A (en) * 1876-09-26 Improvement in watch-barrels
US1110061A (en) * 1914-04-02 1914-09-08 Herbert Kienzle Removable spring-housing for clocks.
CH306103A (en) * 1951-10-03 1955-03-31 Soc D Etablissements Parrenin Device for mounting the barrels of watch movements, and the like.
CH295135A (en) * 1951-11-16 1953-12-15 Ag Brac Clockwork.
CH324249A (en) * 1955-10-27 1957-09-15 Longines Montres Comp D Timepiece with motor barrel
DE1872388U (en) * 1963-03-16 1963-05-16 Epple Kg Otero Uhren DEVICE FOR WRISTWATCHES, IN PARTICULAR SMALL WATCHES.
FR1473744A (en) * 1966-04-04 1967-03-17 Ghielmetti S A Spring case for self-winding watches

Also Published As

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KR101625771B1 (en) 2016-05-30
US9158282B2 (en) 2015-10-13
CN103797423A (en) 2014-05-14
EP2570863B1 (en) 2017-11-08
JP5807121B2 (en) 2015-11-10
US20140204719A1 (en) 2014-07-24
CN103797423B (en) 2016-09-28
KR20140059863A (en) 2014-05-16
JP2014526688A (en) 2014-10-06
WO2013037864A1 (en) 2013-03-21
RU2557403C1 (en) 2015-07-20
IN2014CN02742A (en) 2015-07-03

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