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EP2275880B1 - Watch movement - Google Patents

Watch movement Download PDF

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Publication number
EP2275880B1
EP2275880B1 EP10190574A EP10190574A EP2275880B1 EP 2275880 B1 EP2275880 B1 EP 2275880B1 EP 10190574 A EP10190574 A EP 10190574A EP 10190574 A EP10190574 A EP 10190574A EP 2275880 B1 EP2275880 B1 EP 2275880B1
Authority
EP
European Patent Office
Prior art keywords
axis
balance
plane
movement
reference planes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10190574A
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German (de)
French (fr)
Other versions
EP2275880A1 (en
Inventor
Robert Greubel
Stephen Forsey
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.)
Complitime SA
Original Assignee
Complitime 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 Complitime SA filed Critical Complitime SA
Priority to EP10190574A priority Critical patent/EP2275880B1/en
Publication of EP2275880A1 publication Critical patent/EP2275880A1/en
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Publication of EP2275880B1 publication Critical patent/EP2275880B1/en
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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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • 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
    • G04B33/00—Calibers
    • G04B33/08—Calibers in which the gear train is arranged in different planes, e.g. parallel or inclined to each other

Definitions

  • the present invention relates to watch movements, more particularly of the type comprising a balance spring.
  • Such movements include a frame. They are inscribed between first and second flat surfaces, parallel to each other. The first surface is generally used to support the dial, while the second is defined by the upper face of the bridges or the oscillating mass, or the upper face of parts constituting a mechanism. This face is generally intended to be adjacent to the wearer's wrist.
  • the frame carries mobiles generally arranged so that their axes of rotation are parallel to each other and perpendicular to these flat surfaces. These mobiles, of discoid form, are superimposed more or less, according to their position in reference to the frame. One of them, arranged to carry organs indicating the time, is disposed in the vicinity of the first surface.
  • the document CH26515 discloses the preamble of claim 1.
  • the present invention is intended in particular to allow the realization of a movement occupying a restricted volume, which can without being housed in a sealed box and / or provide optimal operating conditions of the balance.
  • the axis of the balance makes a angle between 15 ° and 30 ° with a perpendicular to the reference planes.
  • a plane passing through the axis of the balance and perpendicular to the reference planes makes an angle of between 30 ° and 60 ° by relative to the axis of said rod.
  • the movement may comprise more than one balance, for example two rockers, each of the rockers oscillating about an axis inclined relative to the reference planes and cutting, the point of intersection of the axes with the foreground being closer to the central axis of the platen as the points of intersection of the axes with the second plane.
  • the watch movement represented at Figures 1 to 4 comprises in particular and in a conventional manner a plate 10 and a platinum-bridge 11, partially torn off the figure 1 and fixed on the plate 10 by means of unreferenced screws, a barrel 12 forming the energy source, a finishing gear train 14, a regulating member formed of an exhaust holder 16 and a winding and setting mechanism. time including a time setting rod 18, the only visible component in these figures.
  • the plate 10 is of discoidal general shape and defines a central axis XX ( figure 3 ). In this movement, the cylinder 12 and the components of the finishing gear 14 rotate about axes parallel to the axis XX. This embodiment is not part of the present invention.
  • the exhaust holder 16 comprises a base 20 and, fixed on the latter by means of screws not referenced, a balance bridge 22, two columns 23 interposed between the base 20 and the bridge 22 ( figure 1 ), and an exhaust bridge 24.
  • An escape wheel 26 and an anchor 28, together forming the exhaust mechanism of the watch, are pivotally mounted between the base 20 and the exhaust bridge 24.
  • This mechanism ensures the maintenance of a spiral balance 30 pivotally mounted between the base 20 and the balance bridge 22, about an axis YY ( figure 3 ), in bearings 31 respectively fixed in the base 20 and the balance bridge 22, only the bearing associated with the bridge 22 being visible in the drawing.
  • These bearings are advantageously of the shockproof type.
  • the plate 10, the platinum bridge 11, the base 20, the balance bridge 22 and the exhaust bridge 24 form the main components of the frame of the movement.
  • the outer surfaces of the plate 10 and the platinum-bridge 11 define planes A and B parallel to each other ( figure 3 ).
  • the outer surface of the plate 10, defining the plane A is intended to carry a dial, while the plane B is in the portion of the movement adjacent to the wrist of the wearer.
  • the YY axis is inclined from 15 ° to 30 ° with respect to a perpendicular to the planes A and B , the inclination being a function of the characteristics of the movement.
  • the most favorable spatial conditions are obtained when a plane parallel to the plane A and passing through the end of the balance shaft closest to the serge is tangent to the outside thereof. In this way, the balance uses the minimum thickness. It goes without saying that other construction parameters can also be used to define this inclination.
  • the base 20 has, in a plane passing through the axes XX and YY, a wedge section, forming a right triangle.
  • the largest of the sides adjacent to the right angle is in support against the plate 10.
  • the hypotenuse defines a plane which forms a reference surface, the axes of the balance 30, the anchor 28 and the escape wheel 26 being perpendicular to it.
  • the rocker 30 and the components 26 and 28 of the escapement rotate about axes inclined relative to the planes A and B of the movement, the inclination being equal to the angle formed by the hypotenuse and the big side of the triangle mentioned above.
  • the orientation of the balance is such that the point of intersection PA of the YY axis with the plane A is closer to the axis XX than the point of intersection PB with the plane B.
  • the assembly of the movement that has just been described begins with the installation of bearings and feet. Then, the mechanisms and the gear are mounted on the plate. Meanwhile, the components of the exhaust door 16 are assembled and adjusted. The latter is then put in place on the plate, as the last operation. If necessary, the walking of the room can be further adjusted.
  • the figure 2 shows an advantage that can be derived from a configuration such as that of the movement described.
  • the rocker 30 By placing the rocker 30 inclined relative to the barrel 12, it is possible to have more room for the latter, or to reduce the thickness of the movement for the same barrel volume.
  • the rocker 30 is inclined relative to the planes A and B , the differences between the vertical positions and the horizontal positions are reduced.
  • the axis of the balance is inclined.
  • the axis of the balance is also inclined and not horizontal as in conventional watches. In this way, measured instant walks are closer to the usual conditions of wearing. This is particularly true when the construction is such that a plane passing through the axis YY of the beam and perpendicular to the planes A and B makes an angle between 30 ° and 60 ° with respect to the axis of the rod.
  • an automatic winding mechanism more particularly comprising a rotor 32 comprising a board 32a and a mass of inertia 32b. Due to the inclination of the balance 30, the thickness reserved for the mass of inertia 32b can be substantially increased. In this way, even with a reduced thickness or diameter, it is possible to obtain a winding torque equivalent to those of existing movements.
  • FIGS 5 to 11 illustrate a watch movement according to one embodiment of the invention.
  • the same components bear the same references as those used for Figures 1 to 4 .
  • This movement differs from that illustrated in Figures 1 to 4 since the mobiles of the finishing gear train 14 as well as the barrel 12 are parallel to the axis YY of the balance 30.
  • the plate 10 has bearing surfaces 34 and 36 ( figure 5 ) which are not perpendicular to the XX axis, as is generally the case, but rather to the YY axis.
  • the holes in which are disposed bearings 38 for pivoting the mobiles of the work train 14 and those serving as housing for screw feet 40 are also inclined relative to the axis XX and are parallel to the axis YY ( Figures 6 to 10 ).
  • the bearing surface 36 ensures the positioning of the exhaust holder 16.
  • the columns 23 are driven into the base 20.
  • the bridge 22 is fixed on the columns 23 by means of unreferenced screws.
  • the columns 23 are provided with feet 23a protruding from the base 20 on the side of the plate 10 and are engaged in holes 40 thereof, fixed by means of screws.
  • the display is achieved by means of mobiles whose axis is perpendicular to the plane A.
  • the movement carries a timer train 42 comprising a roadway 42a, a timer wheel 42b and a cannon wheel 42c, the roadway 42a and the cannon wheel 42c rotating about the axis XX.
  • a pinion 44 is pivotally mounted in the plate 10. It comprises a shaft 44a and a conical toothing 44b. The roadway 42a is frictionally driven on the shaft 44a.
  • the finishing gear 14 comprises a wheel 14c driven by the barrel 12 and rotating at a speed less than one revolution per hour. It drives the pinion 44a which must make one turn per hour and which rotates with him the road 42a. The latter drives the timer 42b, which is engaged with the barrel wheel 42c.
  • the figures 12 and 13 show a part of the motions of a movement, variant of the embodiment described above and carrying the needles 46 and 48 for displaying respectively the hours and minutes.
  • These mobiles are arranged on the frame of the watch, which does not appear in these figures, to avoid overloading the drawing. They are arranged parallel to the YY axis. More specifically, the movement carries a wheel 50 driven by the barrel and making a turn in a few hours. It meshes with a pinion 51, pivotally mounted on the frame, and which carries, frictionally mounted a roadway 52, which is provided with a cam 54 of the spiral type.
  • a lever 56 provided with a toothed sector 56a at one end and a finger 56b at the other end is supported by its finger 56b against the cam 54, under the effect of a spring shown schematically by an arrow .
  • a pinion 58 is engaged with the toothed sector 56a. It carries the needle 48.
  • the cam 54 rotates with the road 52 and causes the angular displacement of the lever 56, which rotates the needle 48, which moves opposite a graduated scale 59 carried by a dial 60 ( Figures 14 and 15 ).
  • the ratio of gears between the wheel 50 and the gear 52 is chosen so that the latter makes one turn in one hour. As a result, the needle 48 scans the graduated scale 59 in one hour.
  • a timer wheel 62 meshes with the roadway 52. It drives by its pinion 62a a hour wheel 64 carrying a cam 66 of the spiral type.
  • a lever 68 provided with a toothed sector 68a at one end and a finger 68b at the other end, is held in abutment against the cam 66 by means of a spring schematically represented by an arrow.
  • a pinion 70 meshes with the toothed sector 68a. It carries the hour hand 46, which moves next to a graduated scale 72 carried by the dial 60.
  • the hour wheel makes a turn in twelve hours.
  • the cam causes the scanning of the graduated scale at a rate of one turn in twelve hours, after which the needle 46 returns back to the moment when the lever 68 reaches the end of travel and falls back.
  • needles 46 and 48 are folded. In this way, they sweep a cone sector allowing an aesthetic of original display.
  • the movement shown on the figure 17 is represented without its frame.
  • a work train 14 provided with a differential gear 15 which drives two second wheels 141 and 142, which cause an exhaust respectively comprising a wheel 261 and 262, and an anchor 281 and 282, which oscillate balances 301 and 302.
  • This movement further comprises a timer train schematically shown at 42 and having a floor 42a for carrying a minute hand, not shown .
  • the two balances 301 and 302 are inclined relative to the axes of the mobiles of the gear train in particular.
  • the inclination is such that, if two reference planes arranged on either side of the movement are defined, the points of intersection of the axes of the rockers 301 and 302 intersect the reference plane situated on the side of the movement intended to to be adjacent to the wearer's wrist are further away from the center of the movement than the points of intersection with the other plane.
  • only one of the rockers could be inclined.
  • Such a configuration also makes it possible to reduce the variation of the gait in the different positions of the movement, the two gimbals never being in a horizontal position simultaneously.
  • the movement according to the invention can be the subject of many other variants without departing from the scope of the invention.
  • the energy source could, of course, comprise several barrels, connected together in series or in parallel.
  • the movement may include one or two pendulums or more. These rockers can be arranged side by side or in whole or in part superimposed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Retarders (AREA)
  • Magnetic Heads (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

The mechanism has a balance wheel (30) fixed in frames formed by a plate (10), a bridge plate (11), a base (20), a balance bridge (22), and an escapement bridge (24). An escape wheel (26) and a spud (28) support the wheel (30). A clockwork movement (14) connects a turret (12) to the wheel (26), the spud and a timer. The wheel (30) turns around an axis inclined with respect to reference planes, and intersects the reference planes. An intersection point of the axis with the former plane is closer to a centre of the mechanism than another intersection point of the axis with the latter plane.

Description

Domaine techniqueTechnical area

La présente invention se rapporte aux mouvements de montre, plus particulièrement du type comportant un balancier-spiral. De tels mouvements, comprennent un bâti. Ils sont inscrits entre des première et deuxième surfaces planes, parallèles entre elles. La première surface sert généralement d'appui au cadran, alors que la deuxième est définie par la face supérieure des ponts ou de la masse oscillante, voire la face supérieure de pièces constitutives d'un mécanisme. Cette face est généralement destinée à être adjacente au poignet du porteur.The present invention relates to watch movements, more particularly of the type comprising a balance spring. Such movements include a frame. They are inscribed between first and second flat surfaces, parallel to each other. The first surface is generally used to support the dial, while the second is defined by the upper face of the bridges or the oscillating mass, or the upper face of parts constituting a mechanism. This face is generally intended to be adjacent to the wearer's wrist.

Etat de la techniqueState of the art

Le bâti porte des mobiles généralement disposés de manière à ce que leurs axes de rotations soient parallèles entre eux et perpendiculaires à ces surfaces planes. Ces mobiles, de forme discoïde, se superposent plus ou moins, en fonction de leur position en référence au bâti. L'un d'entre eux, agencé pour porter des organes indicateurs de l'heure, est disposé au voisinage de la première surface. Le document CH26515 divulgue le préambule de la revendication 1.The frame carries mobiles generally arranged so that their axes of rotation are parallel to each other and perpendicular to these flat surfaces. These mobiles, of discoid form, are superimposed more or less, according to their position in reference to the frame. One of them, arranged to carry organs indicating the time, is disposed in the vicinity of the first surface. The document CH26515 discloses the preamble of claim 1.

On connaît aussi des mouvements construits en plusieurs sections, enveloppant le poignet et permettant de faire une montre bombée. Le galbe que permet une telle forme permet de réaliser des montres relativement minces et présentant une esthétique particulière. Le mouvement ainsi réalisé occupe un volume relativement important. Il est malheureusement difficile de réaliser une boîte étanche pouvant loger un tel mouvement. De tels mouvements sont, par exemple, décrits dans les documents CH 60 360 ou EP 1 394 638 .We also know movements built in several sections, wrapping the wrist and making a curved watch. The shape that allows such a shape allows to make relatively thin watches and having a particular aesthetic. The movement thus achieved occupies a relatively large volume. Unfortunately, it is difficult to make a sealed box that can accommodate such a movement. Such movements are, for example, described in the documents CH 60 360 or EP 1 394 638 .

On connaît par ailleurs des mouvements munis d'un tourbillon dont la cage porte un balancier incliné par rapport au plan du mouvement, décrits, par exemple dans les documents WO 03/017009 , WO 2005/043257 et EP 1 564 608 . Dans ces mouvements, et à cause de la rotation de la cage, l'axe de balancier forme l'enveloppe d'un cône. Une telle solution a pour avantage de réduire la sensibilité aux positions, mais nécessite beaucoup de volume.There are also known movements with a vortex the cage carries a pendulum inclined relative to the plane of the movement, described, for example in documents WO 03/017009 , WO 2005/043257 and EP 1 564 608 . In these movements, and because of the rotation of the cage, the balance shaft forms the envelope of a cone. Such a solution has the advantage of reducing the sensitivity to the positions, but requires a lot of volume.

Divulgation de l'inventionDisclosure of the invention

La présente invention a notamment pour but de permettre la réalisation d'un mouvement occupant un volume restreint, pouvant sans autre être logé dans une boîte étanche et/ou offrir des conditions optimales de fonctionnement du balancier.The present invention is intended in particular to allow the realization of a movement occupying a restricted volume, which can without being housed in a sealed box and / or provide optimal operating conditions of the balance.

A cet effet, le mouvement selon l'invention est défini par les revendications.For this purpose, the movement according to the invention is defined by the claims.

Il apparaît que le fait d'incliner l'ensemble des mobiles du rouage de finissage par rapport aux plans de référence permet une répartition différente des composants, qui offre notamment de nouvelles possibilités de création esthétiques.It appears that the fact of inclining all the mobiles of the gear train with respect to the reference planes allows a different distribution of the components, which offers in particular new possibilities of aesthetic creation.

Afin de réduire au maximum les écarts de marche entre les différentes positions de la montre, tout en disposant d'un balancier de diamètre suffisamment grand pour que son moment d'inertie confère au mouvement de bonnes qualités réglantes, l'axe du balancier fait un angle compris entre 15° et 30° avec une perpendiculaire aux plans de référence.In order to minimize the differences between the different positions of the watch, while having a balance of sufficiently large diameter so that its moment of inertia gives the movement of good regulating qualities, the axis of the balance makes a angle between 15 ° and 30 ° with a perpendicular to the reference planes.

De manière avantageuse, dans un mouvement comportant, en outre, une tige de remontoir et de mise à l'heure, un plan passant par l'axe du balancier et perpendiculaire aux plans de référence fait un angle compris entre 30° et 60° par rapport à l'axe de ladite tige.Advantageously, in a movement comprising, in addition, a winding and setting-up stem, a plane passing through the axis of the balance and perpendicular to the reference planes makes an angle of between 30 ° and 60 ° by relative to the axis of said rod.

Le mouvement peut comporter plus d'un balancier, par exemple deux balanciers, chacun des balanciers oscillant autour d'un axe incliné par rapport aux plans de référence et les coupant, les point d'intersection des axes avec le premier plan étant plus proche de l'axe central de la platine que les points d'intersection des axes avec le deuxième plan.The movement may comprise more than one balance, for example two rockers, each of the rockers oscillating about an axis inclined relative to the reference planes and cutting, the point of intersection of the axes with the foreground being closer to the central axis of the platen as the points of intersection of the axes with the second plane.

Brève description des dessinsBrief description of the drawings

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée à titre d'exemple et faite en référence aux dessins dans lesquels:

  • les figures 1 à 4 représentent tout ou partie d'un mouvement de montre;
  • les figures 5 à 11 concernent un mode de réalisation de l'invention ;
  • sur les figures 12 et 13 est représentée une partie de mouvement selon une variante du mode de réalisation, respectivement vue en perspective et en plan, alors que les figures 14 et 15 illustrent une montre munie d'un tel mouvement, vu selon deux angles différents ;
  • la figure 16 se rapporte à une autre variante du mode de réalisation ; et
  • la figure 17 illustre une autre variante du mode de réalisation.
The invention will be better understood on reading the description which follows, given by way of example and with reference to the drawings in which:
  • the Figures 1 to 4 represent all or part of a watch movement;
  • the Figures 5 to 11 relate to an embodiment of the invention;
  • on the figures 12 and 13 is represented a part of movement according to a variant of the embodiment, respectively seen in perspective and in plan, while the Figures 14 and 15 illustrate a watch fitted with such a movement, seen from two different angles;
  • the figure 16 relates to another variant of the embodiment; and
  • the figure 17 illustrates another variant of the embodiment.

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

Le mouvement de montre représenté aux figures 1 à 4 comporte notamment et de manière classique une platine 10 et un pont-platine 11, partiellement arraché sur la figure 1 et fixé sur la platine 10 au moyen de vis non référencées, un barillet 12 formant la source d'énergie, un rouage de finissage 14, un organe régulateur formé d'un porte-échappement 16 et un mécanisme de remontoir et de mise à l'heure comprenant notamment une tige de mise à l'heure 18, seul composant visible sur ces figures. La platine 10 est de forme générale discoïde et définit un axe central XX (figure 3). Dans ce mouvement, le barillet 12 et les composants du rouage de finissage 14 tournent autour d'axes parallèles à l'axe XX. Ce mode de réalisation ne fait pas partie de la présente invention.The watch movement represented at Figures 1 to 4 comprises in particular and in a conventional manner a plate 10 and a platinum-bridge 11, partially torn off the figure 1 and fixed on the plate 10 by means of unreferenced screws, a barrel 12 forming the energy source, a finishing gear train 14, a regulating member formed of an exhaust holder 16 and a winding and setting mechanism. time including a time setting rod 18, the only visible component in these figures. The plate 10 is of discoidal general shape and defines a central axis XX ( figure 3 ). In this movement, the cylinder 12 and the components of the finishing gear 14 rotate about axes parallel to the axis XX. This embodiment is not part of the present invention.

Le porte-échappement 16 comprend une base 20 et, fixés sur cette dernière au moyen de vis non référencées, un pont de balancier 22, deux colonnes 23 intercalées entre la base 20 et le pont 22 (figure 1), et un pont d'échappement 24. Une roue d'échappement 26 et une ancre 28, formant ensemble le mécanisme d'échappement de la montre, sont montées pivotantes entre la base 20 et le pont d'échappement 24. Ce mécanisme assure l'entretien d'un balancier-spiral 30 monté pivotant entre la base 20 et le pont de balancier 22, autour d'un axe YY (figure 3), dans des paliers 31 fixés respectivement dans la base 20 et le pont de balancier 22, seul le palier associé au pont 22 étant visible au dessin. Ces paliers sont avantageusement de type antichoc.The exhaust holder 16 comprises a base 20 and, fixed on the latter by means of screws not referenced, a balance bridge 22, two columns 23 interposed between the base 20 and the bridge 22 ( figure 1 ), and an exhaust bridge 24. An escape wheel 26 and an anchor 28, together forming the exhaust mechanism of the watch, are pivotally mounted between the base 20 and the exhaust bridge 24. This mechanism ensures the maintenance of a spiral balance 30 pivotally mounted between the base 20 and the balance bridge 22, about an axis YY ( figure 3 ), in bearings 31 respectively fixed in the base 20 and the balance bridge 22, only the bearing associated with the bridge 22 being visible in the drawing. These bearings are advantageously of the shockproof type.

La platine 10, le pont-platine 11, la base 20, le pont de balancier 22 et le pont d'échappement 24 forment les principaux composants du bâti du mouvement. Les surfaces extérieures de la platine 10 et du pont-platine 11 définissent des plans A et B parallèles entre eux (figure 3). La surface extérieure de la platine 10, définissant le plan A, est destinée à porter un cadran, alors que le plan B se trouve dans la partie du mouvement adjacente au poignet du porteur.The plate 10, the platinum bridge 11, the base 20, the balance bridge 22 and the exhaust bridge 24 form the main components of the frame of the movement. The outer surfaces of the plate 10 and the platinum-bridge 11 define planes A and B parallel to each other ( figure 3 ). The outer surface of the plate 10, defining the plane A , is intended to carry a dial, while the plane B is in the portion of the movement adjacent to the wrist of the wearer.

Typiquement, l'axe YY est incliné de 15° à 30° par rapport à une perpendiculaire aux plans A et B, l'inclinaison étant fonction des caractéristiques du mouvement. Les conditions spatiales les plus favorables sont obtenues lorsqu'un plan parallèle au plan A et passant par l'extrémité de l'arbre du balancier la plus proche de la serge est tangente à l'extérieur de celle-ci. De la sorte, le balancier utilise le minimum d'épaisseur. Il va de soi que d'autres paramètres de construction peuvent aussi intervenir pour définir cette inclinaison.Typically, the YY axis is inclined from 15 ° to 30 ° with respect to a perpendicular to the planes A and B , the inclination being a function of the characteristics of the movement. The most favorable spatial conditions are obtained when a plane parallel to the plane A and passing through the end of the balance shaft closest to the serge is tangent to the outside thereof. In this way, the balance uses the minimum thickness. It goes without saying that other construction parameters can also be used to define this inclination.

Comme le montrent les figures 1 à 4, la base 20 présente, selon un plan passant par les axes XX et YY, une section en coin, formant un triangle rectangle. Le plus grand des côtés adjacents à l'angle droit est en appui contre la platine 10. L'hypoténuse définit un plan qui forme une surface de référence, les axes du balancier 30, de l'ancre 28 et de la roue d'échappement 26 lui étant perpendiculaires. Cela revient à dire que le balancier 30 et les composants 26 et 28 de l'échappement tournent autour d'axes inclinés par rapport aux plans A et B du mouvement, l'inclinaison étant égale à l'angle que forme l'hypoténuse et le grand côté du triangle mentionné plus haut. Comme le montre la figure 3, l'orientation du balancier est telle que le point d'intersection PA de l'axe YY avec le plan A est plus proche de l'axe XX que le point d'intersection PB avec le plan B.As shown by Figures 1 to 4 , the base 20 has, in a plane passing through the axes XX and YY, a wedge section, forming a right triangle. The largest of the sides adjacent to the right angle is in support against the plate 10. The hypotenuse defines a plane which forms a reference surface, the axes of the balance 30, the anchor 28 and the escape wheel 26 being perpendicular to it. This amounts to saying that the rocker 30 and the components 26 and 28 of the escapement rotate about axes inclined relative to the planes A and B of the movement, the inclination being equal to the angle formed by the hypotenuse and the big side of the triangle mentioned above. As shown in figure 3 , the orientation of the balance is such that the point of intersection PA of the YY axis with the plane A is closer to the axis XX than the point of intersection PB with the plane B.

L'assemblage du mouvement qui vient d'être décrit commence par la mise en place des paliers et des pieds. Ensuite, les mécanismes et le rouage sont montés sur la platine. Parallèlement, les composants du porte-échappement 16 sont assemblés et réglés. Ce dernier est ensuite mis en place sur la platine, comme dernière opération. Si nécessaire, la marche de la pièce peut encore être ajustée.The assembly of the movement that has just been described begins with the installation of bearings and feet. Then, the mechanisms and the gear are mounted on the plate. Meanwhile, the components of the exhaust door 16 are assembled and adjusted. The latter is then put in place on the plate, as the last operation. If necessary, the walking of the room can be further adjusted.

La figure 2 montre un avantage que l'on peut tirer d'une configuration telle que celle du mouvement décrit. En plaçant le balancier 30 incliné par rapport au barillet 12, il est possible de disposer de plus de place pour ce dernier, ou de réduire l'épaisseur du mouvement pour un même volume de barillet. Par ailleurs, du fait que le balancier 30 est incliné par rapport aux plans A et B, les écarts entre les positions verticales et les positions horizontales sont réduits. En effet, quand la montre est en position horizontale, c'est à dire que les plans A et B sont horizontaux, l'axe du balancier est incliné. Par ailleurs, quand la montre est placée dans une position verticale, l'axe du balancier est aussi incliné et non horizontal comme dans les montres classiques. De la sorte, les marches instantanées mesurées sont plus proches des conditions habituelles de porter. Cela est particulièrement vrai lorsque la construction est telle qu'un plan passant par l'axe YY du balancier et perpendiculaire aux plans A et B fait un angle compris entre 30° et 60° par rapport à l'axe de la tige.18.The figure 2 shows an advantage that can be derived from a configuration such as that of the movement described. By placing the rocker 30 inclined relative to the barrel 12, it is possible to have more room for the latter, or to reduce the thickness of the movement for the same barrel volume. Moreover, because the rocker 30 is inclined relative to the planes A and B , the differences between the vertical positions and the horizontal positions are reduced. Indeed, when the watch is in a horizontal position, that is to say that the planes A and B are horizontal, the axis of the balance is inclined. Furthermore, when the watch is placed in a vertical position, the axis of the balance is also inclined and not horizontal as in conventional watches. In this way, measured instant walks are closer to the usual conditions of wearing. This is particularly true when the construction is such that a plane passing through the axis YY of the beam and perpendicular to the planes A and B makes an angle between 30 ° and 60 ° with respect to the axis of the rod.

Ainsi qu'on peut le voir sur la figure 3, une liaison correcte entre le rouage de finissage 14, et plus particulièrement sa roue de secondes 14a, avec le pignon d'échappement 26a de la roue 26 est assuré grâce au fait que la planche 14b de la roue 14a présente une denture conique.As can be seen on the figure 3 , a correct connection between the work train 14, and more particularly its seconds wheel 14a, with the escape gear 26a of the wheel 26 is ensured by the fact that the board 14b of the wheel 14a has a conical toothing.

Sur la figure 4, le mouvement illustré sur les figures précédentes est complété par un mécanisme de remontoir automatique comportant plus particulièrement un rotor 32 comprenant une planche 32a et une masse d'inertie 32b. Du fait de l'inclinaison du balancier 30, l'épaisseur réservée à la masse d'inertie 32b peut être sensiblement augmentée. De la sorte, même avec une épaisseur ou un diamètre réduit, il est possible d'obtenir un couple de remontage équivalent à ceux de mouvements existants.On the figure 4 , the movement illustrated in the preceding figures is completed by an automatic winding mechanism more particularly comprising a rotor 32 comprising a board 32a and a mass of inertia 32b. Due to the inclination of the balance 30, the thickness reserved for the mass of inertia 32b can be substantially increased. In this way, even with a reduced thickness or diameter, it is possible to obtain a winding torque equivalent to those of existing movements.

Les figures 5 à 11 illustrent un mouvement de montre selon un mode de réalisation de l'invention. Dans ces figures, les mêmes composants portent les mêmes références que celles utilisées pour les figures 1 à 4. Ce mouvement diffère de celui illustré aux figures 1 à 4 du fait que les mobiles du rouage de finissage 14 ainsi que le barillet 12 sont parallèles à l'axe YY du balancier 30.The Figures 5 to 11 illustrate a watch movement according to one embodiment of the invention. In these figures, the same components bear the same references as those used for Figures 1 to 4 . This movement differs from that illustrated in Figures 1 to 4 since the mobiles of the finishing gear train 14 as well as the barrel 12 are parallel to the axis YY of the balance 30.

Dans ce mode de réalisation, la platine 10 comporte des surfaces d'appui 34 et 36 (figure 5) qui ne sont pas perpendiculaires à l'axe XX, comme c'est généralement le cas, mais bien plutôt à l'axe YY. Par ailleurs, les trous dans lesquels sont disposés des paliers 38 assurant le pivotement des mobiles du rouage de finissage 14 et ceux servant de logement à des pieds-vis 40 sont également inclinés par rapport à l'axe XX et sont parallèles à l'axe YY (figures 6 à 10).In this embodiment, the plate 10 has bearing surfaces 34 and 36 ( figure 5 ) which are not perpendicular to the XX axis, as is generally the case, but rather to the YY axis. Moreover, the holes in which are disposed bearings 38 for pivoting the mobiles of the work train 14 and those serving as housing for screw feet 40 are also inclined relative to the axis XX and are parallel to the axis YY ( Figures 6 to 10 ).

La surface d'appui 36 assure le positionnement du porte-échappement 16. Comme on peut le voir plus particulièrement sur la figure 8, les colonnes 23 sont chassées dans la base 20. Le pont 22 est fixé sur les colonnes 23 au moyen de vis non référencées. Les colonnes 23 sont munies de pieds 23a dépassant de la base 20 du côté de la platine 10 et sont engagées dans des trous 40 de celle-ci, fixées au moyen de vis.The bearing surface 36 ensures the positioning of the exhaust holder 16. As can be seen more particularly on the figure 8 the columns 23 are driven into the base 20. The bridge 22 is fixed on the columns 23 by means of unreferenced screws. The columns 23 are provided with feet 23a protruding from the base 20 on the side of the plate 10 and are engaged in holes 40 thereof, fixed by means of screws.

Comme le montre la figure 11, l'affichage est réalisé au moyen de mobiles dont l'axe est perpendiculaire au plan A. A cet effet, le mouvement porte un rouage de minuterie 42 comprenant une chaussée 42a, une roue de minuterie 42b et une roue à canon 42c, la chaussée 42a et la roue à canon 42c tournant autour de l'axe XX.As shown in figure 11 , the display is achieved by means of mobiles whose axis is perpendicular to the plane A. For this purpose, the movement carries a timer train 42 comprising a roadway 42a, a timer wheel 42b and a cannon wheel 42c, the roadway 42a and the cannon wheel 42c rotating about the axis XX.

Un pignon 44 est monté pivotant dans la platine 10. Il comprend un arbre 44a et une denture conique 44b. La chaussée 42a est chassée à friction sur l'arbre 44a.A pinion 44 is pivotally mounted in the plate 10. It comprises a shaft 44a and a conical toothing 44b. The roadway 42a is frictionally driven on the shaft 44a.

Le rouage de finissage 14 comprend une roue 14c entraînée par le barillet 12 et tournant à une vitesse inférieure à un tour par heure. Elle entraîne le pignon 44a qui doit faire un tour par heure et qui fait tourner avec lui la chaussée 42a. Cette dernière entraîne la minuterie 42b, laquelle est en prise avec la roue à canon 42c.The finishing gear 14 comprises a wheel 14c driven by the barrel 12 and rotating at a speed less than one revolution per hour. It drives the pinion 44a which must make one turn per hour and which rotates with him the road 42a. The latter drives the timer 42b, which is engaged with the barrel wheel 42c.

Ainsi, grâce à la denture conique du pignon 44, il est possible de réaliser un mouvement dans lequel l'affichage se fait dans des plans parallèles au plan A, tout en ayant orienté les mobiles du rouage de finissage et de la base de temps selon des axes parallèles entre eux mais inclinés par rapport aux plans A et B. Thus, thanks to the conical teeth of the pinion 44, it is possible to perform a movement in which the display is in planes parallel to the plane A, while having oriented the mobiles of the work train and the time base according to axes parallel to each other but inclined with respect to plans A and B.

Les figures 12 et 13 montrent une partie des mobiles d'un mouvement, variante du mode de réalisation précédemment décrit et portant des aiguilles 46 et 48 destinées à afficher respectivement les heures et les minutes. Ces mobiles sont disposés sur le bâti de la montre, qui n'apparaît pas sur ces figures, pour éviter de surcharger le dessin. Ils sont disposés parallèlement à l'axe YY. Plus précisément, le mouvement porte une roue 50 entraînée par le barillet et effectuant un tour en quelques heures. Elle engrène avec un pignon 51, monté pivotant sur le bâti, et qui porte, montée à friction une chaussée 52, laquelle est munie d'une came 54 de type colimaçon. Un levier 56, muni d'un secteur denté 56a à une extrémité et d'un doigt 56b à l'autre extrémité est en appui par son doigt 56b contre la came 54, sous l'effet d'un ressort représenté schématiquement par une flèche. Un pignon 58 est en prise avec le secteur denté 56a. Il porte l'aiguille 48. La came 54 tourne avec la chaussée 52 et provoque le déplacement angulaire du levier 56, lequel fait tourner l'aiguille 48, qui se déplace en regard d'une échelle graduée 59 portée par un cadran 60 (figures 14 et 15). Le rapport d'engrenages entre la roue 50 et le pignon 52 est choisi de manière à ce que ce dernier fasse un tour en une heure. En conséquence, l'aiguille 48 balaye l'échelle graduée 59 en une heure.The figures 12 and 13 show a part of the motions of a movement, variant of the embodiment described above and carrying the needles 46 and 48 for displaying respectively the hours and minutes. These mobiles are arranged on the frame of the watch, which does not appear in these figures, to avoid overloading the drawing. They are arranged parallel to the YY axis. More specifically, the movement carries a wheel 50 driven by the barrel and making a turn in a few hours. It meshes with a pinion 51, pivotally mounted on the frame, and which carries, frictionally mounted a roadway 52, which is provided with a cam 54 of the spiral type. A lever 56, provided with a toothed sector 56a at one end and a finger 56b at the other end is supported by its finger 56b against the cam 54, under the effect of a spring shown schematically by an arrow . A pinion 58 is engaged with the toothed sector 56a. It carries the needle 48. The cam 54 rotates with the road 52 and causes the angular displacement of the lever 56, which rotates the needle 48, which moves opposite a graduated scale 59 carried by a dial 60 ( Figures 14 and 15 ). The ratio of gears between the wheel 50 and the gear 52 is chosen so that the latter makes one turn in one hour. As a result, the needle 48 scans the graduated scale 59 in one hour.

Dès que la came 54 a fait un tour, le levier 56 retombe et l'aiguille 48 saute brusquement en parcourant l'échelle graduée 59 en sens inverse des aiguilles d'une montre.Once the cam 54 has made a turn, the lever 56 drops and the needle 48 jumps abruptly by going through the graduated scale 59 counterclockwise.

Un mobile de minuterie 62 engrène avec la chaussée 52. Elle entraîne par son pignon 62a une roue des heures 64 portant une came 66 de type colimaçon. Un levier 68, muni d'un secteur denté 68a à une extrémité et d'un doigt 68b à l'autre extrémité, est maintenu en appui contre la came 66 au moyen d'un ressort schématiquement représenté par une flèche. Un pignon 70 engrène avec le secteur denté 68a. Il porte l'aiguille 46 des heures, laquelle se déplace en regard d'une échelle graduée 72 portée par le cadran 60.A timer wheel 62 meshes with the roadway 52. It drives by its pinion 62a a hour wheel 64 carrying a cam 66 of the spiral type. A lever 68, provided with a toothed sector 68a at one end and a finger 68b at the other end, is held in abutment against the cam 66 by means of a spring schematically represented by an arrow. A pinion 70 meshes with the toothed sector 68a. It carries the hour hand 46, which moves next to a graduated scale 72 carried by the dial 60.

A cause de la démultiplication du mobile de minuterie, la roue des heures fait un tour en douze heures. Il en résulte que la came provoque le balayage de l'échelle graduée à raison de un tour en douze heures, après quoi, l'aiguille 46 revient en arrière au moment où le levier 68 arrive en bout de course et retombe.Because of the multiplication of the mobile timer, the hour wheel makes a turn in twelve hours. As a result, the cam causes the scanning of the graduated scale at a rate of one turn in twelve hours, after which the needle 46 returns back to the moment when the lever 68 reaches the end of travel and falls back.

Comme le montre plus particulièrement la figure 15, les aiguilles 46 et 48 présentent un pliage. De la sorte, elles balayent un secteur de cône permettant une esthétique d'affichage original.As shown more particularly in figure 15 needles 46 and 48 are folded. In this way, they sweep a cone sector allowing an aesthetic of original display.

Dans la variante représentée à la figure 16, on retrouve les mobiles du rouage de finissage 14 et du barillet 12 inclinés par rapport aux plans A et B. Dans cette variante toutefois, l'axe YY du balancier n'est pas parallèle aux axes de ces mobiles. Son inclinaison est plus forte. Une telle solution permet de disposer d'un balancier fortement incliné, tout en reliant le rouage de finissage 14 à la roue d'échappement 26 sans devoir disposer d'engrenage conique, la différence d'inclinaison étant suffisamment faible pour que les conditions de travail d'engrenages droits n'en soient pas affectées.In the variant shown in figure 16 , we find the mobiles of the gear train 14 and barrel 12 inclined relative to the planes A and B. In this variant, however, the YY axis of the balance is not parallel to the axes of these mobiles. His inclination is stronger. Such a solution makes it possible to have a steeply inclined pendulum while connecting the finishing gear train 14 to the escape wheel 26 without having to have a bevel gear, the difference in inclination being sufficiently small for the working conditions to be met. spur gears are not affected.

Le mouvement illustré sur la figure 17 est représenté sans son bâti. On ne voit donc que les mobiles, et plus particulièrement deux barillets 121 et 122, reliés en série, un rouage de finissage 14 muni d'un engrenage différentiel 15 qui entraîne deux roues de seconde 141 et 142, lesquelles entraînent un échappement comportant respectivement une roue 261 et 262, et une ancre 281 et 282, qui font osciller des balanciers 301 et 302. Ce mouvement comprend en outre, un rouage de minuterie schématiquement représenté en 42 et comportant une chaussée 42a destinée à porter une aiguille des minutes, non représentée.The movement shown on the figure 17 is represented without its frame. Thus we see only mobile, and more particularly two barrels 121 and 122, connected in series, a work train 14 provided with a differential gear 15 which drives two second wheels 141 and 142, which cause an exhaust respectively comprising a wheel 261 and 262, and an anchor 281 and 282, which oscillate balances 301 and 302. This movement further comprises a timer train schematically shown at 42 and having a floor 42a for carrying a minute hand, not shown .

Dans ce mouvement, les deux balanciers 301 et 302 sont inclinés par rapport aux axes des mobiles du rouage de finissage notamment. L'inclinaison est telle que, si l'on définit deux plans de référence disposés de part et d'autre du mouvement, les points d'intersection des axes des balanciers 301 et 302 coupent le plan de référence se trouvant du côté du mouvement destiné à être adjacent au poignet du porteur sont plus éloignés du centre du mouvement que les points d'intersection avec l'autre plan. Dans une variante qui n'a pas été représentée, un seul des balanciers pourrait être incliné.In this movement, the two balances 301 and 302 are inclined relative to the axes of the mobiles of the gear train in particular. The inclination is such that, if two reference planes arranged on either side of the movement are defined, the points of intersection of the axes of the rockers 301 and 302 intersect the reference plane situated on the side of the movement intended to to be adjacent to the wearer's wrist are further away from the center of the movement than the points of intersection with the other plane. In a variant that has not been shown, only one of the rockers could be inclined.

L'intégration de deux balanciers dans le mode de réalisation ne pose pas de problème particulier pour l'homme du métier. Une telle solution est sans autre applicable.The integration of two rockers in the embodiment does not pose any particular problem for the skilled person. Such a solution is without any other applicable.

Une telle configuration permet en outre de réduire la variation de la marche dans les différentes positions du mouvement, les deux balanciers n'étant jamais en position horizontale simultanément.Such a configuration also makes it possible to reduce the variation of the gait in the different positions of the movement, the two gimbals never being in a horizontal position simultaneously.

Le mouvement selon l'invention peut faire l'objet de nombreuses autres variantes sans pour autant sortir du cadre de l'invention. Ainsi, la source d'énergie pourrait, bien entendu, comporter plusieurs barillets, reliés entre eux en série ou en parallèle. Comme expliqué plus haut, le mouvement peut comporter un ou deux balanciers, voire plus. Ces balanciers peuvent être disposés côte à côte ou en tout ou en partie superposés.The movement according to the invention can be the subject of many other variants without departing from the scope of the invention. Thus, the energy source could, of course, comprise several barrels, connected together in series or in parallel. As explained above, the movement may include one or two pendulums or more. These rockers can be arranged side by side or in whole or in part superimposed.

Ainsi, grâce aux caractéristiques particulières que présentent les différentes variantes du mouvement selon l'invention, il est possible de réaliser une montre offrant à la fois des caractéristiques techniques particulièrement intéressantes, tout en permettant des développements esthétiques originaux.Thus, thanks to the particular characteristics that present the different variants of the movement according to the invention, it is possible to realize a watch offering both particularly interesting technical characteristics, while allowing original aesthetic developments.

Claims (7)

  1. A watch movement including a frame (10, 11, 20, 22, 24), limited by first and second surfaces which are planar and parallel between them, and defining first and second reference planes (A, B), the second plane (B) being located on the side of the movement intended to be adjacent to the wearer's wrist, and which comprises:
    • at least one balance (30) whereof the arbor pivots in bearings fastened in said frame (10, 11, 20, 22, 24),
    • at least one escapement (26, 28) ensuring the maintenance of the balance (30),
    • an energy source (12),
    • going train wheels (14) connecting the energy source to the escapement (26, 28), and motion-work wheels (42),
    • a plate (10) defining a central axis (XX), and whereof the outer surface defines the first reference plane (A),
    the frame (10, 11, 20, 22, 24) comprising an organ (20, 22, 24) on which the balance (30) and the escapement (26, 28) are mounted, which together form a platform escapement (16), said balance (30) oscillating around an axis of rotation (YY), characterized in that the plate (10) comprises at least one bearing surface (36) not perpendicular to the central axis (XX) and on which said platform escapement (16) is positioned so that said bearing surface (36) is perpendicular to the axis of rotation (YY), and in that the axis of rotation of the balance (YY) is inclined relative to said reference planes (A, B) and intersecting them, the point of intersection (PA) of said axis (YY) with the first plane (A) being closer to the central axis (XX) than the point of intersection (PB) of said axis of rotation (YY) with the second plane (B).
  2. The movement according to claim 1, characterized in that it includes two balances (301, 302).
  3. The movement according to one of claims 1 and 2, characterized in that the wheels of the going train (14) are inclined relative to the reference planes (A, B).
  4. The movement according to claim 1, characterized in that said energy source is formed by a barrel (12) and in that said balance (30) and said barrel (12) are inclined relative to the reference planes (A, B) and relative to one another.
  5. The movement according to one of claims 1 to 4, characterized in that it also includes an automatic winding mechanism including a mass (32) passing above the balance (30).
  6. The movement according to claim 2, characterized in that it includes two balances (301, 302), each of the balances oscillating around an axis (YY) that is inclined relative to said reference planes (A, B) and intersecting them, the points of intersection (PA) of said axes (YY) with the first plane (A) being closer to the central axis (XX) than the point of intersection (PB) of said axes (YY) with the second plane (B).
  7. The movement according to claim 6, characterized in that said going train (14) comprises a differential gear (15).
EP10190574A 2007-02-08 2008-02-05 Watch movement Active EP2275880B1 (en)

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EP08708706A EP2115536B1 (en) 2007-02-08 2008-02-05 Watch movement
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US (1) US7946755B2 (en)
EP (3) EP2275880B1 (en)
JP (1) JP5048082B2 (en)
CN (1) CN101606108B (en)
AT (1) ATE487964T1 (en)
DE (1) DE602008003406D1 (en)
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CH697459B1 (en) * 2003-04-03 2008-10-31 Franck Mueller Watchland S A Bi-axial Tourbillon watch movement to include wristwatch.
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EP1686435B1 (en) 2005-01-28 2008-08-27 Richemont International S.A. Timepiece comprising a tourbillon
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EP1744229B1 (en) * 2005-07-13 2010-03-24 Les Artisans Horlogers Sàrl Timepiece
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Publication number Priority date Publication date Assignee Title
TWI709009B (en) * 2016-03-14 2020-11-01 瑞士商路威酩軒瑞士製造股份有限公司 Mechanism for a timepiece, watch movement and timepiece comprising such a mechanism

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HK1133093A1 (en) 2010-03-12
DE602008003406D1 (en) 2010-12-23
EP2275879A1 (en) 2011-01-19
JP5048082B2 (en) 2012-10-17
CN101606108B (en) 2011-06-22
WO2008101802A2 (en) 2008-08-28
CN101606108A (en) 2009-12-16
EP2275879B1 (en) 2019-12-11
WO2008101802A3 (en) 2008-10-16
US7946755B2 (en) 2011-05-24
EP2115536A2 (en) 2009-11-11
ATE487964T1 (en) 2010-11-15
EP2275880A1 (en) 2011-01-19
JP2010518387A (en) 2010-05-27
RU2446425C2 (en) 2012-03-27
RU2009133467A (en) 2011-03-20
US20100097899A1 (en) 2010-04-22
EP2115536B1 (en) 2010-11-10

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