Abrégé

The invention relates to a mechanism (1) for animating an object (7) for a portable timepiece, comprising a mount element (3) on which are mounted:- a driving source (5);- a drive wheel (12) arranged to be driven by said driving source (5) and defining a main pivot axis (A) about which said drive wheel (12) is arranged to pivot;- a driving element (15) connected to said drive wheel (12) for rotation therewith and arranged to drive said object (7) such that it rotates about said main pivot axis (A);- a revolving plate (17) arranged coaxially with said drive wheel (12) and having a support system (13) for said object, said support system (13) being off-center relative to said main pivot axis (A), wherein said support system (13) comprises a first frame (13b) pivotably mounted on said revolving plate (17) about said first pivot axis (A1), as well as an inner frame (13f) pivotably mounted in said first frame (13b) about a second pivot axis (A2) which is substantially orthogonal to said first pivot axis (A1), and wherein said object (7) is supported by a shaft (13h) pivotably mounted in said inner frame (13f) about a third pivot axis (A3), said shaft (13h) being connected to a pinion (13l) for rotation therewith, which pinion meshes with a toothing (19a) which is coaxial with said drive wheel, said toothing (19a) being stationary or arranged to rotate.

Classes IPC  ?

• G04B 45/00 - Appareils à évaluer le temps dont les organes indicateurs ou les boîtiers produisent des effets spéciaux, p. ex. des effets esthétiques
• G04B 47/04 - Appareils à évaluer le temps combinés avec d'autres articles n'influant pas sur leur marche ou leur régularité comportant des accessoires ornementaux ou des appareils d'amusement

Abrégé

An animation mechanism (1) for a timepiece (3), comprising a support system (13) bearing a first decorative object (11) designed to be moved in rotation about a first axis of rotation (A1) and about a second axis of rotation (A2) under the effect of a drive source (5), wherein the support system (13) comprises a first frame (13b) which is mounted so as to pivot on a structure element about the first rotation axis (A1), and an internal frame (13f) which is mounted so as to pivot in the first frame (13b) about the second axis of rotation (A2) which is substantially orthogonal to the first axis of rotation (A1), the internal frame (13f) bearing a second decorative object (23), and wherein the internal frame (13f) is arranged to be driven by an eccentric drive element (15b) which is rigidly joined in rotation with a driving wheel (15) which is arranged to be driven directly or indirectly by the drive source (5).

Classes IPC  ?

• G04B 19/22 - Dispositions pour indiquer plusieurs heures localesPendules universelles
• G04B 45/00 - Appareils à évaluer le temps dont les organes indicateurs ou les boîtiers produisent des effets spéciaux, p. ex. des effets esthétiques
• G04B 47/04 - Appareils à évaluer le temps combinés avec d'autres articles n'influant pas sur leur marche ou leur régularité comportant des accessoires ornementaux ou des appareils d'amusement
• G04B 19/26 - Horloges ou montres avec indicateurs des marées, des phases de la lune ou analogues
• A44C 17/02 - Montures pour pierres précieuses

Abrégé

Disclosed is an escapement mechanism (1) for a timepiece, designed to cooperate with an oscillator arranged to carry out oscillations, said mechanism (1) comprising:—a count wheel (7) arranged for step-wise forward rotation depending on the oscillations of the oscillator;—an impulse wheel (11) designed to be kinematically linked to a power source, said impulse wheel (11) being arranged to be periodically blocked and released under the control of the count wheel (7) and to supply impulses to the oscillator, characterized in that:—when said escapement mechanism (1) is operating, the count wheel (7) is continuously subjected to a torque;—and the count wheel (7) is arranged to rotate forward by one half-step of its toothing for every vibration of the oscillator.

Classes IPC  ?

• G04B 15/10 - Échappements à impulsions constantes sur le mécanisme régulateur
• G04B 15/02 - Échappements à contact permanent avec le mécanisme régulateur
• G04B 15/14 - Parties constitutives ou détails de structure, p. ex. structure de l'ancre ou de la roue d'échappement

Abrégé

Mechanism (1) for moving an object (11), which is suitable for being integrated into a wearable jewellery or costume jewellery item (3), comprising: - a manual drive source (5) which is capable of being driven directly or indirectly by an action of a user and which is arranged to drive a transmission (9) following an action of a user; - a support system (13) which carries an object (11) which is intended to be moved in rotation about a first rotation axis (A1) under the effect of the manual drive source (5) by means of the transmission (9), characterised in that the support system (13) comprises a first frame (13b) which is mounted so as to pivot on a frame element about the first rotation axis (A1), and an internal frame (13f) which is mounted so as to pivot in the first frame (13b) about a second pivot axis (A2) which is substantially orthogonal to the first pivot axis (A1); and in that the object (11) is arranged to be driven by an eccentric drive element (15b) which is rigidly joined in rotation with a driving wheel (15) which is arranged to be driven by the transmission (9).

Classes IPC  ?

• G04B 47/04 - Appareils à évaluer le temps combinés avec d'autres articles n'influant pas sur leur marche ou leur régularité comportant des accessoires ornementaux ou des appareils d'amusement
• G04B 45/00 - Appareils à évaluer le temps dont les organes indicateurs ou les boîtiers produisent des effets spéciaux, p. ex. des effets esthétiques
• A44C 17/02 - Montures pour pierres précieuses

Abrégé

Portable jewellery piece (3) comprising a mechanism (1) for animating an object (11), said mechanism (1) comprising: - a motive source (5) arranged to drive a transmission (9); - a regulating system (7) arranged to regulate the speed of rotation of said transmission (9); - a support system (13) bearing an object (11) that is intended to be animated according to a rotation about a first axis of rotation (A1) under the effect of said motive source (5) via a power take-off (9b; 9f) forming part of said transmission (9). According to the invention, said support system (13) comprises a first frame (13b) that is mounted so as to be able to pivot on a frame element about said first axis of rotation (A1), and an inner frame (13f) that is mounted so as to be able to pivot in said first frame (13b) about a second pivot axis (A2) that is substantially orthogonal with respect to said first pivot axis (A1), said object (11) being moreover arranged so as to be driven by an eccentric driving element (15b) that is secured in rotation with a driving wheel (15) arranged to be driven by said power take-off (9b; 9f).

Classes IPC  ?

• G04B 45/00 - Appareils à évaluer le temps dont les organes indicateurs ou les boîtiers produisent des effets spéciaux, p. ex. des effets esthétiques
• G04B 47/04 - Appareils à évaluer le temps combinés avec d'autres articles n'influant pas sur leur marche ou leur régularité comportant des accessoires ornementaux ou des appareils d'amusement
• A44C 17/02 - Montures pour pierres précieuses

Abrégé

Disclosed is an escapement mechanism (1) for a timepiece, designed to cooperate with an oscillator arranged to carry out oscillations, said mechanism (1) comprising: - a count wheel (7) arranged for step-wise forward rotation depending on the oscillations of the oscillator; - an impulse wheel (11) designed to be kinematically linked to a power source, said impulse wheel (11) being arranged to be periodically blocked and released under the control of the count wheel (7) and to supply impulses to the oscillator, characterized in that: - when said escapement mechanism (1) is operating, the count wheel (7) is continuously subjected to a torque; - and the count wheel (7) is arranged to rotate forward by one half-step of its toothing for every vibration of the oscillator.

Classes IPC  ?

• G04B 15/02 - Échappements à contact permanent avec le mécanisme régulateur

Abrégé

Clock movement (1) comprising: – at least one drive member (3); – four regulating systems (11), each one being kinematically connected to said drive member (3) via a drivetrain (5, 7, 9) designed to transmit the energy of the drive member (3) to said regulating systems (11); in which said drivetrain (5, 7, 9) comprises: – a first differential gear (5) having one input (5e) kinematically connected to the drive member (3) and having two outputs (5s); – a second and a third differential gear (7, 9), each one having an input (7e, 9e) kinematically connected to a respective output (5s) of the first differential gear (5), and each one having two outputs (7s, 9s), each of these latter outputs (7s, 9s) being kinematically connected to a respective regulating system (11); said movement (1) further comprising a device (6) for displaying the hours and minutes and which is designed to be driven by the first differential gear (5). According to the invention, said movement (1) comprises at least one device (12) for displaying the seconds, this device being branched off from said drivetrain and designed to take power off this drivetrain, said device (12) for displaying the seconds comprising a second-indicating member rotating as one with a runner which is in direct or indirect mesh with a runner that said drivetrain (5, 7, 9) comprises, said runner being situated upstream of at least one of said second and third differential gears (7, 9).

Classes IPC  ?

• G04B 19/02 - Engrenages intermédiaires entre les rouages et les aiguilles

Abrégé

A timepiece movement (1) comprising: - at least one power source (3, 3a, 3b); - a finishing gear train (5, 5a, 5b, 5c) kinematically linking the power source (3, 3a, 3b) to a regulating member (7); and - a display member (11) arranged to be driven by said power source. According to the invention, the movement (1) also comprises: - an actuator (9) that acts upon the transmission of rotation between the power source (3, 3a, 3b) and the display unit (11); and - a control device (13) for controlling the actuator (9), said control device (13) comprising wheels that all have a diameter smaller than or equal to 2.5 mm.

Classes IPC  ?

• G04B 19/02 - Engrenages intermédiaires entre les rouages et les aiguilles
• G04B 27/00 - Dispositifs mécaniques pour la mise à l'heure des moyens indicateurs
• G04B 17/26 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet des variations des impulsions
• G04F 7/08 - Montres ou horloges à dispositifs d'arrêt, p. ex. chronographe
• G04B 1/12 - Mécanismes moteurs à ressort moteur à ressorts moteurs multiples
• G04B 13/00 - Rouages

Abrégé

The invention relates to a timepiece movement (1) comprising: - at least one driving member (3; 3a, 3b); - a first power take-off (3c) and a second power take-off (3d), each kinematically connected to said at least one driving member; - a regulating member (7) kinematically connected to said first power take-off (3c) via a going train (5). According to the invention, the movement (1) also comprises: - a movable support (11) carrying said regulating member (7) and designed to be pivotable between two limiting pivoting angles with reference to a frame element (12); - a pivot control device (13) designed to reciprocally pivot said movable support (11) between said limiting pivoting angles; and - a control gear train (15a) connecting said pivot control device (13) to said second power take-off (3d), said pivot control gear train (15b) being distinct from said going train (5).

Classes IPC  ?

• G04B 1/22 - Compensation des variations de la force motrice du ressort moteur
• G04B 13/00 - Rouages
• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon

Abrégé

The invention relates to a display system (1) for a timepiece (27), said system (1) comprising a mobile (3) arranged to be driven by a drive source by means of first teeth (5) provided on the mobile (3). According to the invention, the mobile (3) comprises at least second teeth (9) including a teeth module of less than 0.05 mm, said second teeth (9) being arranged so as to drive a display member (11) either directly or indirectly.

Classes IPC  ?

• G04B 13/02 - RouesPignonsAxesPivots
• G04B 35/00 - Ajustage des rouages, p. ex. du jeu des arbres, de la profondeur de prise des engrenages
• G04B 37/00 - Boîtiers
• G04B 39/00 - Verres de montresFixation ou scellement des verresGlobes de pendules

Abrégé

Horology movement (1) comprising:- at least one drive member (3); four regulating systems (11), each being kinematically connected with the said drive member (3) via a drive kinematic network designed to transmit energy from the drive member (3) to the said regulating systems (11); in which the said drive kinematic network comprises: a first differential gear set (5) having an input (5e) kinematically connected to the drive member (3) and having two outputs (5s); a second and a third differential gear set (7, 9) each having an input (7e, 9e) kinematically connected to a respective output (5s) of the first differential gear set (5) and each having two outputs (7s, 9s), each of the latter outputs (7s, 9s) being kinematically connected to a respective regulating system (11); the said movement (1) further comprising: an hours and minutes display device (6) designed to be driven by the first differential gear set (5); at least one seconds display device (12) designed to be driven by at least one of the second and third differential gear sets (7, 9) via a kinematic connection which branches off the said drive kinematic network, the said seconds display device (12) comprising a seconds indicating member rotating as one with a mobile that meshes directly or indirectly with a mobile that the said drive kinematic network (5, 7, 9) comprises.

Classes IPC  ?

• G04B 19/02 - Engrenages intermédiaires entre les rouages et les aiguilles
• G04B 19/26 - Horloges ou montres avec indicateurs des marées, des phases de la lune ou analogues

Abrégé

A calendar mechanism (1) for a timepiece, said calendar mechanism (1) being suitable for indicating a piece of information having a period that varies according to at least a first cycle and a second cycle, said mechanism (1) comprising, inter alia, a system (13) for actuating said lever (9), the actuating system (13) comprising a first feeler-spindle (21a) intended to come into contact with the first cam (15) and a second feeler-spindle (23a) intended to come into contact with the second cam (17), said feeler-spindles (21a, 23a) being kinematically linked with each other and the actuating system (13) being arranged to move said lever (9) from the inactive position of same to the active position of same under the control of each of said cams (15, 17).

Classes IPC  ?

• G04B 19/253 - Mécanismes d'entraînement ou de désaccouplement

Abrégé

The invention relates to a striking mechanism, comprising striking hammers (1, 2, 3), gongs (4, 5, 6), each being arranged to produce a sound under the action of a hammer associated therewith, actuators (12a, 12b, 12c, 13a, 13b, 13c, 14) for actuating the associated hammer, a striking control device, and at least one striking drive device (15) arranged to engage with the control device. The invention further comprises at least one mechanism for striking multiples of n hours, n ≥ 2, kinematically connected to said striking drive device (15), said mechanism for striking multiples of n hours being arranged to actuate the hammers to strike the multiples of groups of n hours according to a specific striking when said control device has been actuated.

Classes IPC  ?

• G04B 21/12 - Montres ou horloges à répétition
• G04B 21/04 - Roues horairesCrémaillères ou râteauxLimaçons ou mécanismes de commande similaires

Abrégé

The present invention relates to a timepiece comprising a frame, at least one driving gear (2), and at least one tourbillon mechanism including: a first cage (4) which can rotate about a first axis (A) and on which a balance (6) and an escapement gear are pivotably mounted, said escapement gear being formed by an escape wheel and an escape pinion; a second cage (8) rotatably movable about a second axis (B) and supporting the first cage (4); and a third cage (10) rotatably movable about a third axis (C), said third cage (10) supporting the first and second cages (4, 8) and kinematically driving same. Two of the first, second and third axes (A, B, C) are perpendicular to one another, with the remaining first, second or third axis (A, B, C) forming an angle other than 0° and 90° with one of the other two axes (A, B, C).

Classes IPC  ?

• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon

Abrégé

The present invention relates to a timepiece movement comprising a frame, a balance wheel holder (2), a balance wheel (3) mounted on said holder (2) and intended to swing about a swivel axis (AA), and a device for stopping said balance wheel (3), the stop device including at least one movable stop element (4) for entering into contact with the balance wheel (3) and locking same, and a mechanism for actuating said stop element (4). According to the invention, the stop element (4) is arranged relative to the balance wheel (3) such that the direction of the force (F) resulting from the action of the stop element (4) against the balance wheel (3) is inclined at an angle (a) that differs from 0º and 90º relative to the swivel axis (AA) of the balance wheel (3), the actuating mechanism including at least one actuating member (8, 10), which is movable in a plane that is non-perpendicular to the swivel axis (AA) of the balance wheel (3), or the actuating mechanism includes at least one actuating member (8, 10) that moves rotationally or translationally in a plane that forms an angle that differs from 0º and 90º relative to the swivel axis (AA) of the balance wheel (3).

Classes IPC  ?

• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon
• G04B 27/00 - Dispositifs mécaniques pour la mise à l'heure des moyens indicateurs

Abrégé

The invention relates to a balance for a timepiece, which is intended to oscillate about a pivot axis and comprises a generally annular rim (10), a hub (12) for receiving a shaft forming the pivot axis, and at least one arm (16) connecting the hub (12) to said rim (10). The balance further includes segments (18) that are connected to the rim (10) and have at least one free end (18a), and deformation means (22) arranged so as to move relative to the pivot axis of the balance while simultaneously deforming said free end (18a) of the segments (18) radially relative to the pivot axis so that the balance can be adjusted both by the movement of the center of gravity of the deformation means (22) relative to the balance pivot axis and by the deformation of the segments (18).

Classes IPC  ?

• G04B 18/00 - Mécanismes pour régler la fréquence

Abrégé

Timepiece comprising a back and display means, said timepiece being inscribed between first and second mutually parallel reference planes, the first plane being tangential to said back, and the second plane lying on the same side as the display means. The timepiece contains a movement which comprises a framework. The framework (10, 11) comprises at least two components positioned one on each side of a reference axis perpendicular to the first and second planes of reference, on each of which components there are mounted a balance (30) and an escapement, which together respectively form a platform escapement (16a, 16b), each balance being mounted to pivot about an axis of rotation in the corresponding component. The framework further comprises at least one support element having at least one bearing surface (36) on which at least one of said platform escapements (16a, 16b) is positioned so that the axis of rotation of the balance (30) of said platform escapement (16a, 16b) is inclined with respect to said planes of reference and intersects them, the intersection of the axis of rotation of the balance (30) with the first plane of reference being closer to the reference axis than the intersection of said axis of rotation of the balance (30) with the second plane of reference.

Classes IPC  ?

• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon

Abrégé

The invention relates to a timepiece comprising a chime mechanism (1) comprising an hours component (2), a quarters component (4) and a minutes component (6), said hours (2), quarters (4) and minutes (6) components being pivot-mounted about one and the same spindle (3), the quarters component (4) and the minutes component (6) being kinematically linked by a first driving member collaborating with a first driving toothset (34). According to the invention, out of the hours component (2) and the quarters component (4) one comprises a second driving toothset (21) and the other comprises a second driving member designed to be capable of collaborating with said second driving toothset (21) and of kinematically linking the hours component (2) and the quarters component (4), thereby eliminating the dead time between the chimes for the hours and those for the quarters, or between those for the hours and those for the minutes when there isn't a quarter to chime.

Classes IPC  ?

• G04B 21/12 - Montres ou horloges à répétition
• G04B 11/00 - Encliquetages, cliquets d'arrêt ou embrayages pour le remontage

Abrégé

A movement for a timepiece comprising a first energy source (9) intended to sustain the oscillatory movement of a mechanical oscillator comprising a resonator and an escapement, through a finishing gear train that forms, between said first energy source (9) and the escapement a first drive line, said movement further comprising a regulating device (14) intended to control said escapement. The regulating device (14) comprises a stop wheel (16) kinematically connected to said finishing gear train and intended to effect a rotational movement periodically, a control cam (24) driven in rotation and secured to a control wheel (20), a locking device, controlled by said cam (24) for locking said stop wheel (16) and periodically releasing it, and an elastic member (18) intended periodically to store energy from said first energy source (9) and restore it to said oscillator. In addition, said regulating device (14) further comprises transmission means and means of regulating said control wheel (20), said transmission means and said regulating means forming, with the control wheel (20), a second drive line that does not include said finishing gear train, said transmission means being arranged to supply energy to said second drive train, and said regulating means being designed periodically to release said control wheel (20) and allow the transmission means to drive the rotation of said control wheel (20).

Classes IPC  ?

• G04B 1/22 - Compensation des variations de la force motrice du ressort moteur
• G04B 1/12 - Mécanismes moteurs à ressort moteur à ressorts moteurs multiples

Abrégé

The invention relates to a timepiece movement comprising an energy source (12), a time base provided with a plurality of balances (16) pivoting about the respective axis of rotation thereof, means (14) for connecting the energy source (12) to the time base, and mobiles arranged to carry time display means (18). According to the invention, said balances (16) are oriented such that planes perpendicular to axes of rotation thereof define a regular polyhedron.

Classes IPC  ?

• G04B 17/06 - Oscillateurs à spiral, p. ex. balancier
• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon

Abrégé

The invention relates to an energy source for a repeater striking mechanism for a timepiece, including a resilient member arranged so as to generate a torque, winding means (24, 54) for said resilient member, and a kinematic linking means (46) for applying said torque to the members of the striking mechanism so as to provide striking. According to the invention, the resilient member comprises two springs (38, 40) wound in the same direction in concentric spirals, stacked and arranged so as to apply said torque to the kinematic linking means (46).

Classes IPC  ?

• G04B 1/12 - Mécanismes moteurs à ressort moteur à ressorts moteurs multiples
• G04B 21/12 - Montres ou horloges à répétition

Abrégé

The invention relates to a timepiece including a mechanical clock movement and separate first and second cases (2, 3), said movement including first and second portions housed in the first and second cases (2, 3), respectively, said cases (2, 3) being mutually connected in a rotatably hinged manner by means of a hinge (4) defining a pivot axis so as to be capable of forming a variable angle between said cases, said part further comprising a controller arranged to transmit information from one portion of the movement to the other. The controller includes at least one rod (15) slidably mounted in said hinge along an axis substantially parallel to said pivot axis and engaging with the first and second portions of the clock movement for transmitting information from one portion of the movement to the other, by a linear, alternating movement, regardless of the relative position of the two cases (2, 3).

Classes IPC  ?

• G04B 19/02 - Engrenages intermédiaires entre les rouages et les aiguilles
• G04B 37/00 - Boîtiers
• G04B 37/04 - Montage du mouvement dans le boîtierMontage antichocs

Abrégé

The present invention relates to a timepiece including a frame (1a, 1b) and a gear pivotably mounted on said frame (1a, 1b) by means of at least one pivoting member (5a, 5b) which includes a bearing and a pivot inserted in said bearing, at least the contact surfaces of the bearing and the pivot being made from at least one material with an intrinsically low friction coefficient and a low wear rate, the gear comprising at least one plate (2a, 2b) provided with a first hole (3a, 3b). Said pivoting member includes a first plate (6a, 6b) provided with a second hole (8a, 8b) and forming the bearing, and a second plate (7a, 7b) provided with a small rod (9a, 9b) inserted in said first and second holes and forming said pivot, one of said first (6a, 6b) and second (7a, 7b) plates being rigidly connected to the gear and the other to the frame (1a, 1b).

Classes IPC  ?

• G04B 13/02 - RouesPignonsAxesPivots
• G04B 31/00 - Paliers ou coussinetsSuspensions à point ou à contre-pointCoussinets de pivotsPièces séparées pour ceux-ci

Abrégé

The invention relates to a pivot member (5a, 5b) that enables the rotation of a part (3) of a clock movement about a rotation axis, and which comprises two members, i.e. a pivot (7a, 7b) and a bearing (6a, 6b) receiving said pivot (7a, 7b), wherein one is arranged to be connected to said part (3) while the other is arranged to be connected to the frame (1) of said movement. The members (6a, 6b, 7a, 7b) have, at their opposite surfaces, shapes such that the section of one of the members, in a plane perpendicular to the rotation axis, is a circular section, the section of the other member in said plane being non-circular so as to reduce the contact surface between the pivot (7a, 7b) and the bearing (6a, 6b). At least the contact surfaces of the two members bearing against each other are made of at least one material intrinsically having a low friction coefficient and a low wear coefficient.

Classes IPC  ?

• G04B 31/00 - Paliers ou coussinetsSuspensions à point ou à contre-pointCoussinets de pivotsPièces séparées pour ceux-ci

Abrégé

A clockwork movement includes at least two control elements which are movable with respect to the frame thereof, are used for interacting with the same external control member in response to the activation thereof and are positioned remotely to each other in the direction of the clockwork movement thickness. The clockwork movement has an intermediate connecting unit which is rotatable about an axis substantially extending in the direction of the clockwork movement thickness, pivotally mounted on the clockwork movement frame element and provided with a reception area which is distant from the axis and exposable to a force produced in response to the control member activation. The intermediate unit also includes at least two contact areas each of which is used for producing a force on the corresponding control element and which are located on both sides of the reception area in the direction of the axis.

Classes IPC  ?

• G04F 7/00 - Appareils pour mesurer des intervalles de temps inconnus par des moyens mécaniques
• G04B 27/02 - Dispositifs mécaniques pour la mise à l'heure des moyens indicateurs à l'aide des moyens de remontage

Abrégé

The invention relates to a movement for a timepiece, that comprises : a housing (10, 12); an energy source; a gear driven by the energy source (14); a frame (26) for a tourbillon (18) rotatingly mounted on the housing (10, 12) about a first axis (AA) and driven by said gear (14); a balance (32) mounted so as to oscillate in bearings on the frame (26); and an escapement (16, 34) including a fixed wheel (16) and a control member (34) interacting with the balance (32), the fixed wheel (16) sustaining the balance (32). In this movement, the bearings are arranged so that the balance (32) oscillates about a second axis (BB) inclined relative to the first axis (AA).

Classes IPC  ?

• G04B 17/28 - Compensation dans les mécanismes de stabilisation de la fréquence de l'effet du balourd de l'organe oscillant, p. ex. tourbillon

Abrégé

The invention relates to a watch movement, comprising a frame (10, 11, 20, 22, 24), defined by a first and a second parallel plane surface and defining reference planes (A, B), the second plane (B) being located alongside the movement for placing adjacent to the wrist of the wearer and which comprises: at least one balance wheel (30), pivoting in bearings fixed in said frame (10, 11, 20), at least one escape mechanism (26, 28) providing support for the balance wheel (30), an energy source (12), clockwork finishing movements (14), connecting the energy source to the escape mechanism (26, 28) and motion work (42). According to the invention, the balance wheel (30) turns about an axis (YY), inclined in relation to the reference planes (A, B) and intersecting the same, the point of intersection (PA) of said axis (Y) with the first plane (A) being closer to the centre fo the movement than the point of intersection (PB) of said axis (Y) with the second plane (B).

Classes IPC  ?

• G04B 17/06 - Oscillateurs à spiral, p. ex. balancier
• G04B 29/02 - PlatinesPontsCoqs
• G04B 33/08 - Calibres dans lesquels le mouvement est disposé sur différents plans, p. ex. parallèles ou obliques l'un par rapport à l'autre

Abrégé

Mechanical oscillator for timepiece having a balance (10) and a hairspring (12). The balance (10) and the hairspring (12) are made of the same material. This material is non-magnetic and possesses a very low thermal expansion coefficient.

Classes IPC  ?

• G04B 17/06 - Oscillateurs à spiral, p. ex. balancier
• G04B 18/00 - Mécanismes pour régler la fréquence