EP2360534A2 - Case for timepiece movement with automatic winding comprising a device for locking the oscillating weight - Google Patents

Case for timepiece movement with automatic winding comprising a device for locking the oscillating weight Download PDF

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Publication number
EP2360534A2
EP2360534A2 EP11153255A EP11153255A EP2360534A2 EP 2360534 A2 EP2360534 A2 EP 2360534A2 EP 11153255 A EP11153255 A EP 11153255A EP 11153255 A EP11153255 A EP 11153255A EP 2360534 A2 EP2360534 A2 EP 2360534A2
Authority
EP
European Patent Office
Prior art keywords
movable portion
box according
control member
cam
oscillating mass
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.)
Withdrawn
Application number
EP11153255A
Other languages
German (de)
French (fr)
Inventor
Philippe Antille
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.)
Ball Watch Co SA
Original Assignee
Ball Watch Co 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
Application filed by Ball Watch Co SA filed Critical Ball Watch Co SA
Publication of EP2360534A2 publication Critical patent/EP2360534A2/en
Withdrawn legal-status Critical Current

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    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/24—Protecting means preventing overwinding
    • G04B5/245—Protecting means preventing overwinding by locking the moving weight

Definitions

  • the present invention relates to a timepiece box intended to accommodate an automatic winding type watch movement by using rotary movements made by an oscillating mass along an axis X1. More particularly, the box comprises a device for locking the oscillating mass.
  • the large rotor mass or oscillating weight of an automatic movement can lead to different problems.
  • the corresponding shock may cause brief oscillations of the oscillating mass, in a direction other than that of its ordinary oscillations, which may cause damage to the watch movement. Not only can the shaft carrying the oscillating weight be broken, but components of the watch movement can also be damaged.
  • the significant inertia of the oscillating weight can be inconvenient for the wearer of a timepiece during the practice of certain sports, such as golf. Indeed, when the wearer of the timepiece makes violent movements with his arm carrying the timepiece, the oscillating mass can be launched in a high speed rotation, which can be felt by the wearer of the piece and can disturb it.
  • a main object of the present invention is to overcome the disadvantages of self-winding watch movements known from the prior art, by making it possible to produce a timepiece in which movements of the oscillating mass can be blocked in certain risk situations.
  • the present invention relates more particularly to a box of the type mentioned above, characterized in that it comprises a bottom in which is arranged a device for locking the oscillating mass comprising, on the inner face of the bottom, a stop member, having at least one movable portion between at least first and second positions with reference to the bottom, and on its outer face, a control member arranged to control the movements of the movable portion, such that this the last is likely to cooperate with the oscillating mass of the watch movement to lock it in one of its positions.
  • the present invention also relates to a timepiece comprising such a box.
  • the wearer of the timepiece according to the invention can decide to lock the oscillating weight of the watch movement when he foresees the possible occurrence of a risky situation or when he practices a sport in which the inadvertent movements of the oscillating mass are likely to hinder it.
  • the stop member is arranged such that its movable portion can move in a direction substantially parallel to the axis X1.
  • control member is arranged to exert pressure on the movable portion, in response to an action of a user, tending to move in the direction of the oscillating mass.
  • the stop member comprises a cam integral with the external control member and arranged to exert pressure on the movable portion in response to an action of a user on the external control member to arranging the movable portion in its second, locking position.
  • the external control member can be actuated in rotation along the axis X1, between first and second positions, and preferably comprises a barrel passing through the bottom and secured to the cam.
  • the movable portion comprises a plate arranged to be movable in translation in a direction substantially parallel to the axis X1 and comprising at least one hole arranged to accommodate the boss when the oscillating weight is not locked.
  • the barrel has, at least locally, a complementary section in the form of a hole in the cam and in which this section is engaged to be integral in rotation with the cam, a screw housed in the end the barrel ensuring the axial retention of the cam on the barrel.
  • control member may comprise a disc provided with at least one gripping surface arranged to allow it to rotate with reference to the axis X1.
  • FIG. 1 is an exploded perspective view of a portion of a watch movement case according to a preferred embodiment of the present invention
  • the figure 2 represents a perspective view of a first construction detail of the box as illustrated in the figure 1 ;
  • the figure 3 represents a front view of a second construction detail of the box as illustrated on the figure 1 ;
  • FIG. 4a represents a sectional view, along a transverse plane passing through the 6 o'clock and 12 o'clock positions, of a timepiece incorporating a device for locking the oscillating mass according to the present invention, in a first configuration
  • the figure 4b represents a sectional view along the same sectional plane as that of the figure 4a , but seen from the opposite side, in a second configuration of the timepiece.
  • the figure 1 is an exploded perspective view of a portion of a watch movement case, particularly its bottom, according to a preferred embodiment of the present invention. More specifically, it is intended to implement the object of the invention in connection with a self-winding watch movement in which the rotary movements of an oscillating weight are used to perform the reassembly.
  • the box has a middle part (numerical reference 1 on the Figures 4a and 4b ) on which a bottom 2 is intended to be mounted.
  • the latter can be clipped, screwed or held against the middle by means of several screws without departing from the scope of the present invention.
  • a device for locking the oscillating mass is arranged on the bottom 2. This comprises a stop member arranged on the inner side of the bottom and comprising first, second and third plates 4, 5, 6 superimposed.
  • a control member 8 is arranged on the outer side of the bottom 2 to control the stop member.
  • the bottom 2 and each of the plates 4, 5 and 6 are provided with a central hole 9, 10, 11 and 12, adapted to house a barrel 14 integral with the control member 8.
  • the barrel 14 is pierced and tapped at its free end to cooperate with a screw 15, provided to assemble the plate 4 to the control member 8.
  • the holes 11 and 12 have dimensions larger than the head of the screw 15 so that the plates 5 and 6 are not integral with the control member 8.
  • the end of the barrel 14 is shaped like a nut to cooperate with the hole 10 of the plate 4, so that the control member 8 and the plate 4 are integral in rotation.
  • control member 8 is interposed between the control member 8 and the bottom 2, for example to improve the sliding and sealing between these two elements.
  • control member 8 can be rotated from outside the box between first and second extreme positions.
  • control member 8 When the control member 8 is actuated in rotation, to be placed in its second position, it drives the plate 4 in rotation through its end shaped nut. The bosses 18 are then extracted from the holes 19, 20 and act on the plate 5, in the manner of a cam, to move it in translation towards the watch movement.
  • the plate 5 has three lugs 22, intended to be engaged in housings adapted to the middle, to prevent rotation of the plate when the control member 8 is actuated.
  • the plate 6 is thus moved in contact with the oscillating mass of the watch movement to lock it.
  • This plate which is optional, acts as a buffer member and can be covered with a soft material, such as Teflon (trademark) to act on the oscillating mass without damaging it.
  • the control member 8 further comprises two limiting fingers 24 on its internal face, the function of which will be explained in connection with the detailed description of the figure 3 .
  • the figure 2 represents a perspective view of the control member 8 which has just been described in connection with the figure 1 , while it is visible by its external face.
  • the control member 8 has gripping surfaces 25 for actuating it in rotation and defined by the flanks of the blades of a helix 26 formed on the outer face of the control member.
  • the figure 3 represents a view from above of the outer face of the bottom 2 illustrated on the figure 1 .
  • the bottom 2 has a recess 30, in the form of a disc, for housing the control member 8.
  • two slots 32 in the form of circular portions are formed in the bottom 2 to receive the limiting fingers 24 and define with them the limits of the stroke that can perform the control member in rotation.
  • the bottom 2 has a circular groove 34 for housing a seal, inserted between the control member 8 and the bottom 2.
  • inscriptions 35 are provided on the bottom, advantageously but not mandatory, to cooperate with an index (reference numeral 36 on the figure 2 ) and indicate to a user in which position is the controller at a given moment.
  • FIGS. 4a and 4b represent, in similar sectional views, in a transverse plane passing through the positions 6 o'clock and 12 o'clock, respectively on one side and the other of the cutting plane, a timepiece 40 incorporating a locking device the oscillating mass according to the present invention, respectively in first and second configurations.
  • the figure 4a illustrates the timepiece while the oscillating mass 41 is free to turn while the figure 4b illustrates the configuration in which the oscillating weight is locked.
  • control member 8 is rotated 90 degrees.
  • the bosses 18 are then rapidly extracted from the holes 19, 20 and exert pressure on the plate 5 to lift it towards the watch movement 42.
  • the plate 6 is thus brought into contact with the oscillating mass 41 to lock it.
  • the timepiece 40 is illustrated here with a configuration providing protection against magnetic fields, without limitation. More specifically, this protection is provided in particular by a ring 44 disposed between the caseband 1 and the watch movement 42 and providing, in collaboration with additional elements, a magnetic shielding of the watch movement. It emerges Figures 4a and 4b that the tabs 22 of the plate 5 cooperate here with notches (not visible) formed in the ring 44. In addition, springs are preferably provided in the notches to exert pressure on the tabs 22 of the plate 5 so as to tend to push the latter towards the bottom 2 of the box.
  • the plate 5 is made of a magnetic conductive material and cooperates with the ring 44 to provide anti-magnetic shielding on the bottom side of the box.
  • the timepiece 40 allows its wearer to lock or not the oscillating mass 41, by a very simple manipulation of the control member 8 arranged on the bottom of the box, depending on the level of physical activity envisaged. Indeed, for a normal average level of activity, the oscillating mass 41 can be left free to recharge the watch movement, whereas when a high activity level is envisaged or a significant risk of sudden movements is estimated, the mass oscillating can be locked to prevent its brutal movements causing damage in the watch movement.
  • the foregoing description attempts to describe a particular embodiment by way of non-limiting illustration and the invention is not limited to the implementation of certain particular features which have just been described, for example the forms specifically illustrated and described for the plates 4, 5 and 6 or for the control member 8.
  • the skilled person can of course implement the locking device described above in a room d watchmaking does not include shielding against magnetic fields without departing from the scope of the invention.
  • the plate 5 may comprise at least one notch cooperating with a suitable shape of the caseband, as an alternative to the use of the tabs 22, to ensure its maintenance in rotation along the axis X1.
  • the plate 5 is made to be bi-stable, that is to say it is deformed suddenly, when the bosses are extracted from the holes 19, 20, to enter contact with the oscillating mass and lock it, either directly or via an additional element (such as the plate 6).
  • the rest position of the plate 5 would be that illustrated on the figure 4a which means that when bosses are repositioned next to the holes 19, 20, the plate spontaneously resumes its shape of the figure 4a to release the oscillating mass.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

The casing has a back cover (2) in which an oscillating weight locking device is arranged, where the locking device comprises a stop device constituted of a cam (4), a movable portion (5) and a buffering unit (6) on an internal face of a bottom. The movable portion is movable between two positions in reference to the bottom. The locking device comprises an external control unit (8) arranged to control movement of the movable portion such that the movable portion is cooperated with oscillating weight of watch movement to lock the movable portion in one of the positions.

Description

Domaine techniqueTechnical area

La présente invention concerne une boîte pour pièce d'horlogerie destinée à loger un mouvement horloger de type automatique à remontage par utilisation des mouvements rotatifs effectués par une masse oscillante suivant un axe X1. Plus particulièrement, la boîte comporte un dispositif de verrouillage de la masse oscillante.The present invention relates to a timepiece box intended to accommodate an automatic winding type watch movement by using rotary movements made by an oscillating mass along an axis X1. More particularly, the box comprises a device for locking the oscillating mass.

Etat de la techniqueState of the art

La masse importante du rotor ou masse oscillante d'un mouvement automatique peut conduire à différents problèmes.The large rotor mass or oscillating weight of an automatic movement can lead to different problems.

D'une part, de manière générale, lorsqu'une pièce d'horlogerie tombe depuis une certaine hauteur, le choc correspondant peut entraîner de brèves oscillations brutales de la masse oscillante, suivant une direction autre que celles de ses oscillations ordinaires, qui peuvent causer des dommages au mouvement horloger. Non seulement l'arbre portant la masse oscillante peut être cassé, mais en outre des composants du mouvement horloger peuvent également être endommagés.On the one hand, generally speaking, when a timepiece falls from a certain height, the corresponding shock may cause brief oscillations of the oscillating mass, in a direction other than that of its ordinary oscillations, which may cause damage to the watch movement. Not only can the shaft carrying the oscillating weight be broken, but components of the watch movement can also be damaged.

D'autre part, l'inertie importante de la masse oscillante peut se révéler gênante pour le porteur d'une pièce d'horlogerie au cours de la pratique de certains sports, comme par exemple le golf. En effet, lorsque le porteur de la pièce d'horlogerie effectue des mouvements violents avec son bras portant la pièce d'horlogerie, la masse oscillante peut être lancée dans une rotation à grande vitesse, ce qui peut être ressenti par le porteur de la pièce d'horlogerie et peut le perturber.On the other hand, the significant inertia of the oscillating weight can be inconvenient for the wearer of a timepiece during the practice of certain sports, such as golf. Indeed, when the wearer of the timepiece makes violent movements with his arm carrying the timepiece, the oscillating mass can be launched in a high speed rotation, which can be felt by the wearer of the piece and can disturb it.

Bien entendu, les pièces d'horlogerie à remontage manuel ne présentent pas ces inconvénients.Of course, timepieces with manual winding do not have these disadvantages.

Divulgation de l'inventionDisclosure of the invention

Un but principal de la présente invention est de pallier les inconvénients des mouvements horlogers à remontage automatique connus de l'art antérieur, en permettant la réalisation d'une pièce d'horlogerie dans laquelle les mouvements de la masse oscillante peuvent être bloqués dans certaines situations à risque.A main object of the present invention is to overcome the disadvantages of self-winding watch movements known from the prior art, by making it possible to produce a timepiece in which movements of the oscillating mass can be blocked in certain risk situations.

A cet effet, la présente invention concerne plus particulièrement une boîte du type mentionné plus haut, caractérisée par le fait qu'elle comporte un fond dans lequel est agencé un dispositif de verrouillage de la masse oscillante comprenant, sur la face interne du fond, un organe d'arrêt, présentant au moins une portion mobile entre au moins des première et seconde positions en référence au fond, et, sur sa face externe, un organe de commande agencé pour commander les déplacements de la portion mobile, de telle manière que cette dernière est susceptible de coopérer avec la masse oscillante du mouvement horloger pour la verrouiller dans l'une de ses positions.To this end, the present invention relates more particularly to a box of the type mentioned above, characterized in that it comprises a bottom in which is arranged a device for locking the oscillating mass comprising, on the inner face of the bottom, a stop member, having at least one movable portion between at least first and second positions with reference to the bottom, and on its outer face, a control member arranged to control the movements of the movable portion, such that this the last is likely to cooperate with the oscillating mass of the watch movement to lock it in one of its positions.

La présente invention concerne également une pièce d'horlogerie comportant une telle boîte.The present invention also relates to a timepiece comprising such a box.

Grâce à ces caractéristiques, le porteur de la pièce d'horlogerie selon l'invention peut décider de verrouiller la masse oscillante du mouvement horloger lorsqu'il prévoit la survenue possible d'une situation à risque ou lorsqu'il pratique un sport dans lequel les mouvements intempestifs de la masse oscillante sont susceptibles de le gêner.Thanks to these characteristics, the wearer of the timepiece according to the invention can decide to lock the oscillating weight of the watch movement when he foresees the possible occurrence of a risky situation or when he practices a sport in which the inadvertent movements of the oscillating mass are likely to hinder it.

De manière préférée, l'organe d'arrêt est agencé de telle manière que sa portion mobile peut se déplacer suivant une direction sensiblement parallèle à l'axe X1.Preferably, the stop member is arranged such that its movable portion can move in a direction substantially parallel to the axis X1.

Par ailleurs, on peut prévoir que l'organe de commande est agencé pour exercer une pression sur la portion mobile, en réponse à une action d'un utilisateur, tendant à la déplacer en direction de la masse oscillante.Furthermore, it can be provided that the control member is arranged to exert pressure on the movable portion, in response to an action of a user, tending to move in the direction of the oscillating mass.

On peut avantageusement prévoir que l'organe d'arrêt comprend une came solidaire de l'organe de commande externe et agencée pour exercer une pression sur la portion mobile en réponse à une action d'un utilisateur sur l'organe de commande externe visant à disposer la portion mobile dans sa seconde position, de verrouillage. Dans ce cas, l'organe de commande externe peut être actionnable en rotation suivant l'axe X1, entre des première et seconde positions, et comprend préférablement un canon traversant le fond et solidaire de la came.It can be advantageously provided that the stop member comprises a cam integral with the external control member and arranged to exert pressure on the movable portion in response to an action of a user on the external control member to arranging the movable portion in its second, locking position. In this case, the external control member can be actuated in rotation along the axis X1, between first and second positions, and preferably comprises a barrel passing through the bottom and secured to the cam.

De manière avantageuse, la portion mobile comporte une plaque agencée pour être mobile en translation suivant une direction sensiblement parallèle à l'axe X1 et comprenant au moins un trou agencé pour loger le bossage lorsque la masse oscillante n'est pas verrouillée.Advantageously, the movable portion comprises a plate arranged to be movable in translation in a direction substantially parallel to the axis X1 and comprising at least one hole arranged to accommodate the boss when the oscillating weight is not locked.

On peut également prévoir que le canon présente, au moins localement, une section complémentaire à la forme d'un trou ménagé dans la came et dans lequel cette section est engagée pour être solidaire en rotation de la came, une vis logée dans l'extrémité du canon assurant le maintien axial de la came sur le canon.It can also be provided that the barrel has, at least locally, a complementary section in the form of a hole in the cam and in which this section is engaged to be integral in rotation with the cam, a screw housed in the end the barrel ensuring the axial retention of the cam on the barrel.

Par ailleurs, l'organe de commande peut comporter un disque muni d'au moins une surface de préhension agencé pour permettre de le faire tourner en référence à l'axe X1.Furthermore, the control member may comprise a disc provided with at least one gripping surface arranged to allow it to rotate with reference to the axis X1.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée d'un mode de réalisation préféré qui suit, faite en référence aux dessins annexés donnés à titre d'exemples non limitatifs et dans lesquels:Other features and advantages of the present invention will appear more clearly on reading the detailed description of a preferred embodiment which follows, made with reference to the accompanying drawings given by way of non-limiting examples and in which:

- la figure 1 représente une vue en perspective éclatée d'une partie d'une boîte pour mouvement horloger selon un mode de réalisation préféré de la présente invention;- the figure 1 is an exploded perspective view of a portion of a watch movement case according to a preferred embodiment of the present invention;

- la figure 2 représente une vue en perspective d'un premier détail de construction de la boîte telle qu'illustrée sur la figure 1;- the figure 2 represents a perspective view of a first construction detail of the box as illustrated in the figure 1 ;

- la figure 3 représente une vue de face d'un second détail de construction de la boîte telle qu'illustrée sur la figure 1;- the figure 3 represents a front view of a second construction detail of the box as illustrated on the figure 1 ;

- la figure 4a représente une vue en coupe, selon un plan transversal passant par les positions 6 heures et 12 heures, d'une pièce d'horlogerie intégrant un dispositif de verrouillage de la masse oscillante selon la présente invention, dans une première configuration, et- the figure 4a represents a sectional view, along a transverse plane passing through the 6 o'clock and 12 o'clock positions, of a timepiece incorporating a device for locking the oscillating mass according to the present invention, in a first configuration, and

- la figure 4b représente une vue en coupe suivant le même plan de coupe que celui de la figure 4a, mais vu depuis le côté opposé, dans une seconde configuration de la pièce d'horlogerie.- the figure 4b represents a sectional view along the same sectional plane as that of the figure 4a , but seen from the opposite side, in a second configuration of the timepiece.

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

La figure 1 représente une vue en perspective éclatée d'une partie d'une boîte pour mouvement horloger, en particulier de son fond, selon un mode de réalisation préféré de la présente invention. Plus précisément, il est prévu de mettre en oeuvre l'objet de l'invention en relation avec un mouvement horloger à remontage automatique dans lequel les mouvements rotatifs d'une masse oscillante sont mis à profit pour effectuer le remontage.The figure 1 is an exploded perspective view of a portion of a watch movement case, particularly its bottom, according to a preferred embodiment of the present invention. More specifically, it is intended to implement the object of the invention in connection with a self-winding watch movement in which the rotary movements of an oscillating weight are used to perform the reassembly.

La boîte comporte une carrure (référence numérique 1 sur les figures 4a et 4b) sur laquelle un fond 2 est destiné à être monté. Ce dernier peut être clipsé, vissé ou maintenu contre la carrure au moyen de plusieurs vis sans sortir du cadre de la présente invention.The box has a middle part (numerical reference 1 on the Figures 4a and 4b ) on which a bottom 2 is intended to be mounted. The latter can be clipped, screwed or held against the middle by means of several screws without departing from the scope of the present invention.

Un dispositif de verrouillage de la masse oscillante est agencé sur le fond 2. Celui-ci comporte un organe d'arrêt agencé du côté interne du fond et comprenant des première, seconde et troisième plaques 4, 5, 6, superposées. Un organe de commande 8 est agencé du côté externe du fond 2 pour commander l'organe d'arrêt.A device for locking the oscillating mass is arranged on the bottom 2. This comprises a stop member arranged on the inner side of the bottom and comprising first, second and third plates 4, 5, 6 superimposed. A control member 8 is arranged on the outer side of the bottom 2 to control the stop member.

A cet effet, le fond 2 et chacune des plaques 4, 5 et 6 sont munis d'un trou central 9, 10, 11 et 12, adapté pour loger un canon 14 solidaire de l'organe de commande 8. Le canon 14 est percé et taraudé à son extrémité libre pour coopérer avec une vis 15, prévue pour assembler la plaque 4 à l'organe de commande 8.For this purpose, the bottom 2 and each of the plates 4, 5 and 6 are provided with a central hole 9, 10, 11 and 12, adapted to house a barrel 14 integral with the control member 8. The barrel 14 is pierced and tapped at its free end to cooperate with a screw 15, provided to assemble the plate 4 to the control member 8.

Les trous 11 et 12 présentent des dimensions supérieures à celle de la tête de la vis 15 de sorte que les plaques 5 et 6 ne sont pas solidaires de l'organe de commande 8.The holes 11 and 12 have dimensions larger than the head of the screw 15 so that the plates 5 and 6 are not integral with the control member 8.

Par ailleurs, l'extrémité du canon 14 est conformée en écrou pour coopérer avec le trou 10 de la plaque 4, de telle manière que l'organe de commande 8 et la plaque 4 sont solidaires en rotation.Furthermore, the end of the barrel 14 is shaped like a nut to cooperate with the hole 10 of the plate 4, so that the control member 8 and the plate 4 are integral in rotation.

On notera qu'un bouchon 16 optionnel est intercalé entre l'organe de commande 8 et le fond 2, par exemple pour améliorer les glissements et l'étanchéité entre ces deux éléments.Note that an optional cap 16 is interposed between the control member 8 and the bottom 2, for example to improve the sliding and sealing between these two elements.

Du point de vue du fonctionnement, l'organe de commande 8 peut être actionné en rotation depuis l'extérieur de la boîte, entre des première et seconde positions extrêmes.From the operating point of view, the control member 8 can be rotated from outside the box between first and second extreme positions.

Dans la première position, représentée sur la figure 1, trois bossages 18, ménagés sur la plaque 4, sont disposés en regard de trois trous 19, 20, ménagés respectivement dans les seconde et troisième plaques 5 et 6. Les bossages 18 sont alors engagés dans les trous 19, 20, les plaques 5 et 6 étant situées à proximité du fond 2, sous l'effet de l'action de ressorts qui seront décrits plus en détail en relation avec les figures 4a et 4b.In the first position, represented on the figure 1 three bosses 18, formed on the plate 4, are arranged facing three holes 19, 20 formed respectively in the second and third plates 5 and 6. The bosses 18 are then engaged in the holes 19, 20, the plates 5 and 6 being located near the bottom 2, under the effect of the action of springs which will be described in more detail in relation to the Figures 4a and 4b .

Lorsque l'organe de commande 8 est actionné en rotation, pour être placé dans sa seconde position, il entraîne la plaque 4 en rotation par l'intermédiaire de son extrémité conformée en écrou. Les bossages 18 sont alors extraits des trous 19, 20 et agissent sur la plaque 5, à la manière d'une came, pour la déplacer en translation en direction du mouvement horloger. On notera que la plaque 5 présente trois pattes 22, destinées à être engagées dans des logements adaptés de la carrure, pour empêcher toute rotation de la plaque lorsque l'organe de commande 8 est actionné.When the control member 8 is actuated in rotation, to be placed in its second position, it drives the plate 4 in rotation through its end shaped nut. The bosses 18 are then extracted from the holes 19, 20 and act on the plate 5, in the manner of a cam, to move it in translation towards the watch movement. Note that the plate 5 has three lugs 22, intended to be engaged in housings adapted to the middle, to prevent rotation of the plate when the control member 8 is actuated.

La plaque 6 est ainsi déplacée au contact de la masse oscillante du mouvement horloger pour la verrouiller. Cette plaque, qui est optionnelle, joue le rôle d'un organe tampon et peut être recouverte d'un matériau doux, comme par exemple du Téflon (marque déposée) pour agir sur la masse oscillante sans l'endommager.The plate 6 is thus moved in contact with the oscillating mass of the watch movement to lock it. This plate, which is optional, acts as a buffer member and can be covered with a soft material, such as Teflon (trademark) to act on the oscillating mass without damaging it.

Lorsque l'organe de commande est entraîné en rotation en sens inverse, vers sa première position, les bossages 18 se replacent en regard des trous 19 et 20, permettant à la plaque 5 de redescendre vers le fond 2, sous l'effet de l'action des ressorts mentionnés plus haut, et donc de libérer la masse oscillante.When the control member is rotated in the opposite direction, towards its first position, the bosses 18 are placed opposite the holes 19 and 20, allowing the plate 5 to descend towards the bottom 2, under the effect of the action of the springs mentioned above, and thus to release the oscillating mass.

L'organe de commande 8 comprend en outre deux doigts de limitation 24, sur sa face interne, dont la fonction sera exposée en relation avec la description détaillée de la figure 3.The control member 8 further comprises two limiting fingers 24 on its internal face, the function of which will be explained in connection with the detailed description of the figure 3 .

La figure 2 représente une vue en perspective de l'organe de commande 8 qui vient d'être décrit en relation avec la figure 1, alors qu'il est visible par sa face externe.The figure 2 represents a perspective view of the control member 8 which has just been described in connection with the figure 1 , while it is visible by its external face.

L'organe de commande 8 présente des surfaces de préhension 25 permettant de l'actionner en rotation et définies par les flancs des pales d'une hélice 26 réalisée à même la face externe de l'organe de commande.The control member 8 has gripping surfaces 25 for actuating it in rotation and defined by the flanks of the blades of a helix 26 formed on the outer face of the control member.

Bien entendu, la forme des surfaces de préhension 25 représentée et décrite est illustrative et non limitative. L'homme du métier pourra réaliser ces surfaces de préhension de toute autre manière, permettant l'actionnement de l'organe de commande 8 en rotation, sans sortir du cadre de la présente invention.Of course, the shape of the gripping surfaces shown and described is illustrative and not limiting. Those skilled in the art can make these gripping surfaces in any other way, allowing the actuation of the control member 8 in rotation, without departing from the scope of the present invention.

La figure 3 représente une vue de dessus de la face externe du fond 2 illustré sur la figure 1.The figure 3 represents a view from above of the outer face of the bottom 2 illustrated on the figure 1 .

Il ressort de cette vue que le fond 2 présente une creusure 30, en forme de disque, pour loger l'organe de commande 8.It emerges from this view that the bottom 2 has a recess 30, in the form of a disc, for housing the control member 8.

Par ailleurs, deux fentes 32 en forme de portions de cercle sont ménagées dans le fond 2 pour recevoir les doigts de limitation 24 et définir avec eux les limites de la course que peut effectuer l'organe de commande en rotation.Furthermore, two slots 32 in the form of circular portions are formed in the bottom 2 to receive the limiting fingers 24 and define with them the limits of the stroke that can perform the control member in rotation.

A titre indicatif, on notera en outre que le fond 2 présente une gorge circulaire 34 destinée à loger un joint d'étanchéité, intercalé entre l'organe de commande 8 et le fond 2.As an indication, it should be noted that the bottom 2 has a circular groove 34 for housing a seal, inserted between the control member 8 and the bottom 2.

De plus, des inscriptions 35 sont prévues sur le fond, de manière avantageuse mais non obligatoire, pour coopérer avec un index (référence numérique 36 sur la figure 2) et indiquer à un utilisateur dans quelle position se trouve l'organe de commande à un instant donné.In addition, inscriptions 35 are provided on the bottom, advantageously but not mandatory, to cooperate with an index (reference numeral 36 on the figure 2 ) and indicate to a user in which position is the controller at a given moment.

Les figures 4a et 4b représentent, dans des vues en coupe similaires, selon un plan transversal passant par les positions 6 heures et 12 heures, respectivement d'un côté et de l'autre du plan de coupe, une pièce d'horlogerie 40 intégrant un dispositif de verrouillage de la masse oscillante selon la présente invention, respectivement dans des première et seconde configurations.The Figures 4a and 4b represent, in similar sectional views, in a transverse plane passing through the positions 6 o'clock and 12 o'clock, respectively on one side and the other of the cutting plane, a timepiece 40 incorporating a locking device the oscillating mass according to the present invention, respectively in first and second configurations.

Plus précisément, la figure 4a illustre la pièce d'horlogerie alors que la masse oscillante 41 est libre de tourner tandis que la figure 4b illustre la configuration dans laquelle la masse oscillante est verrouillée.More specifically, the figure 4a illustrates the timepiece while the oscillating mass 41 is free to turn while the figure 4b illustrates the configuration in which the oscillating weight is locked.

Dans la configuration de la figure 4a, sur laquelle le dispositif de verrouillage qui a été décrit plus haut est représenté assemblé, il ressort que les bossages 18 sont logés dans les trous 19 et 20 des plaques 5 et 6. Les plaques 4 et 5 sont alors agencées directement l'une contre l'autre, la plaque 5 étant dans une position rapprochée en référence au fond 2.In the configuration of the figure 4a , on which the locking device which has been described above is shown assembled, it emerges that the bosses 18 are housed in the holes 19 and 20 of the plates 5 and 6. The plates 4 and 5 are then arranged directly against each other. the other, the plate 5 being in a close position with reference to the bottom 2.

Pour passer de la configuration de la figure 4a à celle de la figure 4b, l'organe de commande 8 est actionné en rotation de 90 degrés. Les bossages 18 sont alors rapidement extraits des trous 19, 20 et exercent une pression sur la plaque 5 pour la soulever en direction du mouvement horloger 42.To go from the configuration of the figure 4a to that of the figure 4b the control member 8 is rotated 90 degrees. The bosses 18 are then rapidly extracted from the holes 19, 20 and exert pressure on the plate 5 to lift it towards the watch movement 42.

La plaque 6 est ainsi mise en contact avec la masse oscillante 41 pour la verrouiller.The plate 6 is thus brought into contact with the oscillating mass 41 to lock it.

La pièce d'horlogerie 40 est illustrée ici avec une configuration lui procurant une protection contre les champs magnétiques, de manière non limitative. Plus précisément, cette protection est notamment assurée par un anneau 44 disposé entre la carrure 1 et le mouvement horloger 42 et assurant, en collaboration avec des éléments additionnels, un blindage magnétique du mouvement horloger. Il ressort des figures 4a et 4b que les pattes 22 de la plaque 5 coopèrent ici avec des encoches (non visibles) ménagées dans l'anneau 44. En outre, des ressorts sont préférablement prévus dans les encoches pour exercer une pression sur les pattes 22 de la plaque 5 de manière à tendre à repousser cette dernière en direction du fond 2 de la boîte.The timepiece 40 is illustrated here with a configuration providing protection against magnetic fields, without limitation. More specifically, this protection is provided in particular by a ring 44 disposed between the caseband 1 and the watch movement 42 and providing, in collaboration with additional elements, a magnetic shielding of the watch movement. It emerges Figures 4a and 4b that the tabs 22 of the plate 5 cooperate here with notches (not visible) formed in the ring 44. In addition, springs are preferably provided in the notches to exert pressure on the tabs 22 of the plate 5 so as to tend to push the latter towards the bottom 2 of the box.

De manière avantageuse, la plaque 5 est réalisée en un matériau conducteur magnétique et, coopère avec l'anneau 44 pour assurer le blindage anti-magnétique du côté du fond de la boîte.Advantageously, the plate 5 is made of a magnetic conductive material and cooperates with the ring 44 to provide anti-magnetic shielding on the bottom side of the box.

Du fait de l'action de ces ressorts, dès que l'organe de commande 8 est tourné en sens inverse jusqu'à ce que les bossages soient à nouveau situés en regard des trous 19, 20, la plaque 5 s'éloigne du mouvement horloger pour se rapprocher du fond 2 de la boîte. Dans le même temps, la plaque 6, qui peut avantageusement être solidaire de la plaque 5, libère la masse oscillante 41 pour lui permettre de reprendre ses rotations, et recharger l'organe moteur de la pièce d'horlogerie.Due to the action of these springs, as soon as the control member 8 is turned in the opposite direction until the bosses are again located opposite the holes 19, 20, the plate 5 moves away from the movement watchmaker to get closer to the bottom 2 of the box. At the same time, the plate 6, which may advantageously be secured to the plate 5, releases the oscillating mass 41 to allow it to resume rotations, and reload the motor member of the timepiece.

Ainsi, la pièce d'horlogerie 40, selon le mode de réalisation préféré de l'invention qui vient d'être décrit, permet à son porteur de verrouiller ou non la masse oscillante 41, par une manipulation très simple de l'organe de commande 8 agencé sur le fond de la boîte, en fonction du niveau d'activité physique envisagé. En effet, pour un niveau d'activité moyen normal, la masse oscillante 41 peut être laissée libre pour recharger le mouvement horloger, tandis que lorsqu'un niveau d'activité élevé est envisagé ou un risque important de mouvements brusques est estimé, la masse oscillante peut être verrouillée pour empêcher que ses mouvements brutaux entraînent des dommages dans le mouvement horloger.Thus, the timepiece 40, according to the preferred embodiment of the invention which has just been described, allows its wearer to lock or not the oscillating mass 41, by a very simple manipulation of the control member 8 arranged on the bottom of the box, depending on the level of physical activity envisaged. Indeed, for a normal average level of activity, the oscillating mass 41 can be left free to recharge the watch movement, whereas when a high activity level is envisaged or a significant risk of sudden movements is estimated, the mass oscillating can be locked to prevent its brutal movements causing damage in the watch movement.

La description qui précède s'attache à décrire un mode de réalisation particulier à titre d'illustration non limitative et, l'invention n'est pas limitée à la mise en oeuvre de certaines caractéristiques particulières qui viennent d'être décrites, comme par exemple les formes spécifiquement illustrées et décrites pour les plaques 4, 5 et 6 ou encore pour l'organe de commande 8. De même, l'homme du métier pourra bien entendu mettre en oeuvre le dispositif de verrouillage décrit ci-dessus dans une pièce d'horlogerie ne comportant pas de blindage contre les champs magnétiques sans sortir du cadre de l'invention. Par ailleurs, on notera par exemple que la plaque 5 peut comporter au moins une encoche coopérant avec une forme adaptée de la carrure, en alternative à l'utilisation des pattes 22, pour garantir son maintien en rotation suivant l'axe X1.The foregoing description attempts to describe a particular embodiment by way of non-limiting illustration and the invention is not limited to the implementation of certain particular features which have just been described, for example the forms specifically illustrated and described for the plates 4, 5 and 6 or for the control member 8. Similarly, the skilled person can of course implement the locking device described above in a room d watchmaking does not include shielding against magnetic fields without departing from the scope of the invention. Furthermore, it will be noted for example that the plate 5 may comprise at least one notch cooperating with a suitable shape of the caseband, as an alternative to the use of the tabs 22, to ensure its maintenance in rotation along the axis X1.

Suivant une alternative supplémentaire, on peut prévoir que la plaque 5 est réalisée de manière à être bi-stable, c'est-à-dire qu'elle se déforme brutalement, lorsque les bossages sont extraits des trous 19, 20, pour entrer en contact avec la masse oscillante et la verrouiller, soit directement, soit par l'intermédiaire d'un élément supplémentaire (comme par exemple la plaque 6). Dans ce cas, la position au repos de la plaque 5 serait celle illustrée sur la figure 4a, ce qui signifie que, lorsque les bossages sont repositionnés en regard des trous 19, 20, la plaque reprend spontanément sa forme de la figure 4a, pour libérer la masse oscillante.According to another alternative, it can be provided that the plate 5 is made to be bi-stable, that is to say it is deformed suddenly, when the bosses are extracted from the holes 19, 20, to enter contact with the oscillating mass and lock it, either directly or via an additional element (such as the plate 6). In this case, the rest position of the plate 5 would be that illustrated on the figure 4a which means that when bosses are repositioned next to the holes 19, 20, the plate spontaneously resumes its shape of the figure 4a to release the oscillating mass.

De manière générale, l'homme du métier ne rencontrera pas de difficulté particulière pour adapter le contenu de la présente divulgation à ses propres besoins et mettre en oeuvre une boîte pour pièce d'horlogerie répondant en partie aux caractéristiques qui viennent d'être présentées, mais permettant de commander le verrouillage de la masse oscillante depuis l'extérieur de la boîte, sans sortir du cadre de la présente invention.In general, the person skilled in the art will not encounter any particular difficulty in adapting the content of the present disclosure to his own needs and implementing a timepiece box partially meeting the characteristics just presented, but allowing to control the locking of the oscillating mass from the outside of the box, without departing from the scope of the present invention.

Claims (11)

Boîte pour pièce d'horlogerie (40), destinée à loger un mouvement horloger (42) de type à remontage automatique par utilisation de mouvements rotatifs effectués par une masse oscillante (41) suivant un X1, caractérisée en ce qu'elle comporte un fond (2) dans lequel est agencé un dispositif de verrouillage de la masse oscillante comprenant, sur la face interne dudit fond, un organe d'arrêt (4, 5, 6), présentant au moins une portion mobile (5) entre au moins des première et seconde positions en référence audit fond, et, sur sa face externe un organe de commande (8) agencé pour commander les déplacements de ladite portion mobile de telle manière que cette dernière est susceptible de coopérer avec la masse oscillante (41) du mouvement horloger pour la verrouiller dans l'une de ses positions.Timepiece box (40), intended to accommodate a self-winding watch movement (42) by use of rotary movements made by an oscillating mass (41) along an X1, characterized in that it comprises a bottom (2) in which there is arranged a device for locking the oscillating mass comprising, on the internal face of said bottom, a stop member (4, 5, 6) having at least one movable portion (5) between at least first and second positions with reference to said bottom, and on its outer face a control member (8) arranged to control the movements of said movable portion so that the latter is capable of cooperating with the oscillating mass (41) of the movement watchmaker to lock it in one of its positions. Boîte selon la revendication 1, caractérisée en ce que ledit organe d'arrêt (4, 5, 6) est agencé de telle manière que sa portion mobile (5) peut se déplacer suivant une direction sensiblement parallèle audit axe X1.Box according to claim 1, characterized in that said stop member (4, 5, 6) is arranged such that its movable portion (5) can move in a direction substantially parallel to said axis X1. Boîte selon la revendication 2, caractérisée en ce que ledit organe de commande externe (8) est agencé pour exercer une pression sur ladite portion mobile (5), en réponse à une action d'un utilisateur, tendant à la déplacer en direction de la masse oscillante (41).Box according to claim 2, characterized in that said external control member (8) is arranged to exert pressure on said movable portion (5), in response to an action of a user, tending to move it towards the oscillating weight (41). Boîte selon l'une quelconque des revendications 1 à 3, caractérisée en ce que ledit organe d'arrêt comprend une came (4, 18) solidaire dudit organe de commande externe (8) et agencée pour exercer une pression sur ladite portion mobile (5) en réponse à une action d'un utilisateur sur ledit organe de commande externe (8).Box according to any one of claims 1 to 3, characterized in that said stop member comprises a cam (4, 18) integral with said external control member (8) and arranged to exert pressure on said movable portion (5). ) in response to an action of a user on said external controller (8). Boîte selon la revendication 4, caractérisée en ce que ladite came comprend une plaque (4) portant au moins un bossage (18) agencé pour exercer une pression sur ladite portion mobile (5) en réponse à une action d'un utilisateur sur ledit organe de commande externe (8) visant à disposer ladite portion mobile dans sa seconde position, de verrouillage.Box according to claim 4, characterized in that said cam comprises a plate (4) carrying at least one boss (18) arranged to exert pressure on said movable portion (5) in response to an action of a user on said organ external control device (8) for arranging said movable portion in its second, locking position. Boîte selon la revendication 4 ou 5, caractérisée en ce que ledit organe de commande externe (8) est actionnable en rotation suivant ledit axe X1, entre des première et seconde positions, et comprend un canon (14) traversant ledit fond (2) et solidaire de ladite came (4, 18).Box according to claim 4 or 5, characterized in that said external control member (8) is operable in rotation along said axis X1, between first and second positions, and comprises a barrel (14) passing through said bottom (2) and integral with said cam (4, 18). Boîte selon la revendication 5 ou 6, caractérisée en ce que ladite portion mobile comporte une plaque (5) agencée pour être mobile en translation suivant une direction sensiblement parallèle audit axe X1 et comprenant au moins un trou (19) agencé pour loger ledit bossage (18) dans ladite première position de ladite portion mobile.Box according to claim 5 or 6, characterized in that said movable portion comprises a plate (5) arranged to be movable in translation in a direction substantially parallel to said axis X1 and comprising at least one hole (19) arranged to accommodate said boss ( 18) in said first position of said movable portion. Boîte selon la revendication 6, caractérisée en ce que ledit canon (14) présente au moins localement une section complémentaire à la forme d'un trou (10) ménagé dans ladite came (4, 18) et dans lequel ladite section est engagée pour être solidaire en rotation de ladite came, une vis (15) assemblée à l'extrémité dudit canon assurant le maintien axial de ladite came sur ledit canon.Box according to claim 6, characterized in that said barrel (14) has at least locally a complementary section in the form of a hole (10) formed in said cam (4, 18) and wherein said section is engaged to be integral in rotation with said cam, a screw (15) assembled at the end of said barrel ensuring the axial retention of said cam on said barrel. Boîte selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit organe de commande externe (8) comporte un disque muni d'au moins une surface de préhension (25) agencée pour permettre de le faire tourner en référence audit axe X1.Box according to any one of the preceding claims, characterized in that said external control member (8) comprises a disc provided with at least one gripping surface (25) arranged to allow it to rotate with reference to said axis X1. Boîte selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte en outre un organe tampon (6) destiné à être agencé entre ladite portion mobile (5) et la masse oscillante (41) pour éviter d'endommager cette dernière.Box according to any one of the preceding claims, characterized in that it further comprises a buffer member (6) intended to be arranged between said movable portion (5) and the oscillating mass (41) to avoid damaging the latter . Pièce d'horlogerie (40) comportant une boîte selon l'une quelconque des revendications précédentes comportant un logement dans lequel est agencé un mouvement horloger (42) du type à remontage automatique par utilisation de mouvements rotatifs suivant un X1 effectués par une masse oscillante (41).Timepiece (40) comprising a box according to any one of the preceding claims comprising a housing in which is arranged a watch movement (42) of the self-winding type by using rotary movements along an X1 carried out by an oscillating weight ( 41).
EP11153255A 2010-02-15 2011-02-03 Case for timepiece movement with automatic winding comprising a device for locking the oscillating weight Withdrawn EP2360534A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00181/10A CH702654B1 (en) 2010-02-15 2010-02-15 Box to watch self-winding movement with an oscillating weight of the locking device.

Publications (1)

Publication Number Publication Date
EP2360534A2 true EP2360534A2 (en) 2011-08-24

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EP11153255A Withdrawn EP2360534A2 (en) 2010-02-15 2011-02-03 Case for timepiece movement with automatic winding comprising a device for locking the oscillating weight

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017026418A (en) * 2015-07-21 2017-02-02 カシオ計算機株式会社 Case and watch
JP2017053831A (en) * 2015-09-10 2017-03-16 カシオ計算機株式会社 Component protection device and timepiece

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017026418A (en) * 2015-07-21 2017-02-02 カシオ計算機株式会社 Case and watch
JP2017053831A (en) * 2015-09-10 2017-03-16 カシオ計算機株式会社 Component protection device and timepiece

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CH702654A2 (en) 2011-08-15

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