EP4194962A1 - Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison - Google Patents

Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison Download PDF

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Publication number
EP4194962A1
EP4194962A1 EP21213627.9A EP21213627A EP4194962A1 EP 4194962 A1 EP4194962 A1 EP 4194962A1 EP 21213627 A EP21213627 A EP 21213627A EP 4194962 A1 EP4194962 A1 EP 4194962A1
Authority
EP
European Patent Office
Prior art keywords
cage
plate
regulating member
transmission
inclination
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.)
Pending
Application number
EP21213627.9A
Other languages
German (de)
English (en)
French (fr)
Inventor
Anthony MEMBREZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blancpain SA
Original Assignee
Blancpain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to EP21213627.9A priority Critical patent/EP4194962A1/fr
Priority to US18/074,121 priority patent/US20230185244A1/en
Priority to JP2022194780A priority patent/JP7546031B2/ja
Priority to CN202211596571.7A priority patent/CN116256963B/zh
Publication of EP4194962A1 publication Critical patent/EP4194962A1/fr
Pending legal-status Critical Current

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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
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B15/00—Escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B17/063—Balance construction
    • 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 invention relates to the field of timepiece movements comprising a regulating member, and more particularly comprising a regulating member provided with means for variable adjustment of the inclination.
  • the balance-spring constitutes the time base of the watch. It is also called resonator.
  • an inertial mass To constitute a mechanical resonator, an inertial mass, a guide and an elastic return element are required.
  • a spiral spring acts as an elastic return element for the inertial mass constituted, for example, by a balance wheel. This balance wheel is guided in rotation by pivots which rotate in smooth ruby bearings.
  • certain regulating organs are inclined on the platinum.
  • the regulating organ is even inclined along several axes.
  • the inclination is defined during the construction and assembly of the organ regulating the movement, but it cannot be modified during use.
  • the object of the invention is to remedy the aforementioned drawbacks, and aims to provide a timepiece movement comprising a regulating member which can be tilted according to an adjustable angle of inclination.
  • the invention relates to a timepiece movement comprising a plate extending substantially in a first plane, the plate being configured to support parts of the movement, the movement comprising drive means provided with a gear train, a regulating member provided with an inertial mass, a guide and an elastic return element of the inertial mass configured to cause it to oscillate in a second plane, and an escapement mechanism cooperating with the inertial mass , the regulating member being arranged on the plate.
  • the movement is remarkable in that the clockwork movement includes means for variable adjustment of the inclination of the regulating member relative to the plate so that the second plane of the inertial mass forms an angle of value variable with the foreground of the stage.
  • the regulating member can be inclined relative to the plate in a preferred position.
  • the inclination can be modified as desired, according to the desires of the wearer of the watch.
  • the regulating member is no longer fixed in a predefined position or movement. According to the orientation of the part watchmaking, the regulating organ can be tilted in a preferential position, in particular to be better seen.
  • the means for variable adjustment of the inclination of the regulating member comprise a tilting bridge on which the regulating member is mounted, the bridge being tiltable with respect to the plate.
  • the means for variable adjustment of the inclination of the regulating member comprise a mobile cage inside which the inertial mass, the guide, the elastic return element and the escapement mechanism are arranged, the cage being mounted on the tilting bridge.
  • the cage is rotatable relative to the tilting bridge, the regulating member being of the tourbillon or carousel type.
  • the cage is stationary with respect to the tilting bridge.
  • variable adjustment means comprise a reference or first reference arranged on the plate, the reference or first reference being movable in rotation relative to the plate thanks to the drive means, the return or first return having a concave peripheral face provided with a substantially spherical toothing.
  • the return or first return has straight cut teeth.
  • the cage comprises external toothing arranged to be in engagement with the transmission, regardless of the inclination of the regulating member, the transmission actuating the rotation of the cage.
  • variable adjustment means comprise a gear wheel arranged on the regulating member to actuate the escapement mechanism, the gear wheel being tiltable with the tilting bridge, the substantially spherical toothing of the concave peripheral face of the transmission or first transmission being in mesh with the gear wheel, whatever the inclination of the regulating member, the transmission or first transmission actuating the gear wheel.
  • the gear wheel comprises a peripheral toothing inclined to cooperate with the toothing of the transmission or first transmission.
  • variable adjustment means comprise a second reference arranged on the plate, the second reference being movable in rotation relative to the plate thanks to the drive means, the second reference having a concave peripheral face provided with a substantially spherical toothing, the cage comprising an external toothing arranged to be in engagement with the second transmission, whatever the inclination of the regulating member, the second transmission actuating the rotation of the cage.
  • the second transmission comprises straight cut teeth.
  • the two transmissions are actuated simultaneously by the drive means.
  • the angle of inclination of the regulating member with respect to the plate is included in a range ranging from 0° to 45°.
  • the regulating member comprises means for actuating the inclination of the tiltable bridge.
  • the invention also relates to a timepiece comprising such a timepiece movement.
  • the invention relates to a timepiece movement comprising a plate extending substantially in a first plane, the plate being configured to support parts of the movement.
  • the movement comprises drive means comprising a barrel and a gear train, a regulating member provided with an inertial mass, a guide and an elastic return element of the inertial mass configured to cause it to oscillate substantially in a second plane , as well as an escapement mechanism cooperating with the inertial mass.
  • the drive means refer to the parts making it possible to supply and transmit the energy necessary for the operation of the regulating organ
  • the adjustment means refer to the elements allowing the inclination and the drive of the regulating member while allowing the transmission of energy
  • the actuating means designate the parts arranged to modify the inclination of the regulating member, for example by a user.
  • THE figures 1 to 13 show in particular a carousel-type regulating member 1.
  • the invention does not relate specifically to the intrinsic characteristics and operation of a carousel, which are known to those skilled in the art.
  • the carousel 1 comprises a carousel cage 2 inside which are arranged a mechanical resonator provided with an inertial mass 3, a guide and an elastic return element 4, as well as an escapement mechanism 5 with a Swiss lever. .
  • the carousel cage 2 is rotatably mounted around an axis of rotation thanks to a ball bearing 6 arranged between the carousel cage 2 and a tilting bridge 7 on which the carousel cage 2 is mounted.
  • the carousel cage 2 comprises an upper support 8 and a lower support 9 assembled by screws 11 inserted into uprights 12, three in number.
  • the mechanical resonator provided with the inertial mass, the guide and the elastic return element, as well as the escapement mechanism are suspended between the upper support 8 and the lower support 9.
  • the upper support 8 is a circular wheel, provided here with three branches 13, connected to a central hub 15.
  • the lower support 9 here comprises three arms 14 extending from a central junction, the arms 14 connecting the three uprights 12 eccentric to the central junction.
  • the three uprights 12 are distributed angularly on the periphery of the carousel cage 2, so as to connect the circular wheel to each arm 14.
  • the inertial mass 3 is an annular rocker arranged on a first axial shaft 16 disposed in the middle of the carousel cage 2.
  • the first axial shaft 16 is substantially perpendicular to the second plane of the inertial mass.
  • the pendulum is arranged in the upper part of the carousel cage 2 in order to be visible from the outside.
  • the pendulum is configured to operate a rotary oscillatory movement around the first axial shaft 16, at inside the carousel cage 2 at a predetermined frequency, as shown in the figures 3 and 4 .
  • a second axial shaft 17 substantially collinear with the first axial shaft 16 is arranged under the first axial shaft 16.
  • the second axial shaft 17 extends partly under the carousel cage 2 and the tilting bridge 7.
  • a first axial pinion 18 secured to the second axial shaft 17 in the middle, is coaxial with the balance wheel and arranged under the carousel cage 2.
  • An intermediate wheel 19 is integral with the second axial shaft 17 below the balance wheel in the carousel cage 2.
  • the intermediate wheel 19 engages an escapement pinion 21 arranged on a third radial shaft 22, which is substantially parallel to the axial shafts 16, 17.
  • the third radial shaft 22 is arranged in the carousel cage 2.
  • the third radial shaft 22 further holds an escapement wheel 25, which is arranged above the escapement pinion 21.
  • the escapement wheel 25 cooperates with a Swiss lever 26 arranged perpendicularly between the first axial shaft 16 and the periphery of the escapement wheel 25.
  • the lever 26 comprises an elongated body provided with a fork at a first end, the fork being configured to cooperate with a pin of the first axial shaft 16, which is linked to the movement of the pendulum.
  • the second end of the lever 26 comprises two pallets arranged to cooperate with the escapement wheel 25, by alternately blocking its rotation, so as to make it turn in steps.
  • the anchor 26 is carried by a fourth radial shaft 27 arranged in the carousel cage 2 between the first axial shaft 16 and the third radial shaft 22.
  • the tilting bridge 7 carries the regulating member, the second axial shaft 17 crossing the tilting bridge 7.
  • the first axial pinion 18 is arranged under the tilting bridge 7.
  • the carousel 1 also comprises a radial gear wheel 29 arranged under the carousel cage 2, which engages the first axial pinion 18.
  • the radial gear wheel 29 is carried by a fifth radial shaft 28 arranged under the carousel cage 2 Actuation of radial gear wheel 29 rotates first axial pinion 18.
  • the timepiece movement comprises means for variable adjustment 30 of the inclination of the regulating member with respect to the plate, so that the second plane of the inertial mass forms an angle of value variable with the foreground of the stage, as shown in the figures 1 and 2 .
  • the carousel 1 can be moved between a position in which the second plane of the inertial mass is substantially parallel to the first plane of the plate, and an oblique position in which the second plane of the inertial mass forms an angle with the first plane of the platinum.
  • the angle of inclination is selectable by means of the variable adjustment means 30 of the inclination.
  • the variable adjustment means 30 modify the angle of inclination of the regulating member relative to the plate in a range ranging from 0° to 45°.
  • the balance wheel of the regulating organ is preferably parallel to the foreground of the plate, while at 45°, the regulating organ is oblique with respect to the foreground of the plate.
  • the variable adjustment means 30 the angle can take all the values between the two extreme values.
  • the minimum angle is substantially 0°
  • the maximum angle is 30°. In this embodiment, the maximum angle is 30°.
  • variable adjustment means 30 comprise a first reference 31 arranged on the plate.
  • the first reference 31 is rotatable relative to the plate thanks to the drive means.
  • the first reference 31 is inclined relative to the plate.
  • THE first transmission 31 comprises substantially spherical toothing 32 configured to mesh with a radial gear wheel 29 of the regulating member in order to actuate the escapement mechanism and the balance wheel.
  • the first reference 31 has an hourglass shape with concave cylindrical symmetry around a longitudinal axis of symmetry.
  • the peripheral face of the first transmission 31 is curved inwards.
  • the diameter and the perimeter of the middle of the reference are smaller than the nominal diameter and the perimeter of the ends of the first reference 31.
  • the nominal perimeter and the diameter at the two ends of the first reference 31 are preferably respectively identical.
  • the length of the first reference 31 is preferably greater than the nominal diameter of the first reference 31.
  • the concave peripheral face allows the radial gear wheel 29 to engage with the first transmission 31, regardless of the inclination of the carousel 1.
  • the substantially spherical toothing 32 has a spherical shape.
  • the curvature of the face is chosen to cooperate with the radius and the inclination of the radial gear wheel 29.
  • the first transmission 31 engages the radial gear wheel 29.
  • Each tooth is curved towards the inside of the first reference 31 and has an identical radius of curvature.
  • Such a concave spherical cut promotes cohesion with the radial gear wheel 29, regardless of the orientation of the radial gear wheel 29 with the first transmission 31
  • the first reference 31 further comprises a straight cut.
  • the first transmission 31 has a double cut, which is a combination of a spherical concave cut and a straight cut.
  • a straight cut means that the teeth have an identical profile over the entire height of the tooth.
  • a double cut is obtained by carrying out a first concave spherical cut, in order to obtain teeth curved towards the inside of the first transmission 31.
  • the teeth obtained have a variable profile over the height of the tooth, the teeth being thicker at the ends .
  • a second straight cut is made, in particular at the thick ends of the teeth to obtain teeth having a profile substantially identical to the ends.
  • the first transmission 31 comprises an area 23 where the teeth are straight.
  • Zone 23 is arranged above the substantially spherical toothing 32 on the entire periphery of the first transmission 31. This zone 23 promotes cohesion with the meshing wheel 20.
  • the meshing wheel 20 comprises an inclined toothing 83 so as to cooperate with the zone 23 of the first transmission 31, the first transmission 31 being inclined with respect to the axis of the meshing wheel 20.
  • the meshing wheel 20 does not change plane, so that its inclined cutting 83 cooperates effectively with the zone 23 of the first return 31 which is itself inclined
  • the radial gear wheel 29 has a peripheral toothing configured to cooperate with the straight teeth of the zone 23 of the first transmission 31.
  • the radial gear wheel 29 comprises a toothing peripheral 34 inclined with respect to the plane of the radial gear wheel 29.
  • the radial gear wheel 29 has a smaller diameter and perimeter at its base than the diameter and perimeter of the radial gear wheel 29 in its the top part. The diameter and perimeter widen from the base to the top of the wheel.
  • the radial gear wheel 29 can be tilted between a minimum tilt position and a maximum tilt position.
  • the peripheral toothing 34 of the radial gear wheel 29 meshes with the substantially spherical toothing 32 of the first transmission 31 at a lower end of the first transmission 31, while in the position of maximum inclination, the peripheral toothing 34 of the radial gear wheel 29 meshes with the substantially spherical toothing 32 of the first idler 31 at an upper end of the first idler 31.
  • variable adjustment means 30 comprise a second reference 35 arranged on the plate, the second reference 35 being rotatable relative to the plate.
  • the second transmission 35 is configured to retain the carousel cage 2 of the regulating member via an external toothing 36 of the carousel cage 2.
  • the external toothing 36 is arranged on the periphery of the upper support 8, the teeth s diverging from the carousel cage 2 radially.
  • the second reference 35 retains the rotational movement of the carousel cage 2, so that the carousel cage 2 rotates around its axis of rotation at a predefined speed, and thus avoids too rapid a rotation.
  • the rotary movement around its axis of rotation of the second transmission 35 is itself retained by the movement drive means.
  • the second bead 35 is preferably similar, or even identical to the first bead 31, the second bead 35 also comprising a substantially spherical toothing 37, and teeth with a straight cut 70.
  • the teeth with a straight cut 70 are arranged below the substantially spherical toothing 37.
  • the first or second reference 31, 35 is cut in two different ways. From a rough return, a first cut is made to produce a substantially spherical toothing 32, 37. A second straight cut is made to obtain the final return 31, 35, shown on the right. A straight cut makes it possible to obtain teeth of the same profile over the entire height of the straight cut zone. The straight cut thus makes it possible to form the zones 23, 70 having straight teeth.
  • the two references 31, 35 are arranged on either side of the carousel cage 2.
  • the first reference 31 is inclined on the plate, while the second reference 35 is substantially perpendicular to the plate.
  • the second reference 35 is arranged higher than the first reference 31. Indeed, the second reference 35 cooperates with the wheel of the upper support 8, which is arranged in the upper part of the carousel cage 2, while the first transmission 31 cooperates with the radial gear wheel 29, which is arranged in the lower part of the carousel cage 2.
  • the upper support 8 engages the top of the second idler 35, while the radial gear wheel 29 engages the bottom of the first idler 31.
  • the upper support 8 engages the bottom of the second idler 35, while that the radial gear wheel 29 engages the top of the first transmission 31.
  • the two transmissions 31, 35 rotate simultaneously, the first transmission 31 rotates thanks to the drive means, via the gear train 98, thus represented on the figures 6 to 9 , while the second reference 35 is driven by the movement of the carousel cage 2, and it is retained by the drive means.
  • the drive means comprise a ring gear 38 with internal toothing 24, represented on the figures 6 to 9 .
  • the crown 38 is arranged around the carousel cage 2, so as to be able to retain the second reference 35, when the second reference 35 rotates, the crown 38 rotating around the carousel cage 2.
  • the crown 38 makes it possible to control the movement of the carousel cage 2, and also makes it possible to actuate the escapement and the pendulum movement.
  • the crown 38 meshes with the straight cut teeth 70 of the second idler 35.
  • the crown further comprises an external toothing 92, configured to mesh with a gear wheel 93 of the gear train 98
  • the drive means comprise a meshing wheel 20 of the first transmission 31, represented on the figure 11 , the mesh wheel 20 also being actuated by the gear train 98.
  • the means 30 for variable adjustment of the inclination of the regulating member comprise an inclinable bridge 7 on which the carousel cage 2 is mounted, the ball bearing 6 being arranged between the carousel cage 2 and the bridge tiltable 7.
  • the bridge is tiltable to allow to tilt the regulating organ.
  • the tilting bridge 7 is arranged under the carousel cage 2, above the first axial pinion 18 and the radial gear wheel 29.
  • the tilting bridge 7 is rotatably mounted around an axis of rotation D 1 passing through the cage of carousel 2, the axis of rotation D 1 being parallel to the tilting bridge 7, and preferably parallel to the plane of the plate.
  • the tilting bridge 7 comprises two external pivots 42, 43 arranged symmetrically on either side of the carousel cage 2, each pivot 42, 43 extending from an upright arranged at the end of the tilting bridge 7.
  • the pivots 42, 43 each cooperate with a bearing 39, 41 of the plate, the pivots 42, 43 being arranged along the axis of rotation D 1 of the tilting bridge 7.
  • Each bearing 39, 41 comprises a hole allowing the insertion of the pivot 42, 43.
  • the two pivots 42, 43 can rotate inside each bearing 39, 41.
  • the tilting bridge 7 can rotate around the axis of rotation D 1 thanks to the pivots 42, 43 and to the bearings 39, 41.
  • the variable adjustment means 30 comprise a wheel 44 integrally mounted on the tilting bridge 7, the actuation of the wheel 44 generating the tilting of the tilting bridge 7.
  • the wheel 44 comprises a tilting toothing 45 arranged around a pivots 42, 43, the tilting toothing 45 extending parallel to the axis of rotation D 1 of the tilting bridge 7.
  • the tilting toothing 45 cooperates with actuating means.
  • the actuating means mesh with wheel 44, so that tilting bridge 7 rotates around axis of rotation D 1 .
  • the figure 6 to 87 show the tilt actuating means, which comprise a rod 46 and a gear train 47.
  • the rod 46 is for example actuated by a crown, not shown in the figures.
  • the rod 46 is provided with a pinion 48 comprising a peripheral toothing 49, which engages a transmission 51 actuating the gear train 47.
  • the gear train 47 comprises a series of gear wheels and pinions, which are actuated by the reference 51 to transmit the rotational force received by the rod 46 to the tilting bridge 7.
  • a last wheel 52 of the gear train engages toothing 45 of wheel 44 integrally mounted on tilting bridge 7.
  • actuating means for example positioning by jumps.
  • FIG 10 shows a plate 33 provided with the carousel and the actuating means.
  • the rod 46 extends outside the plate to be able to actuate and modify the inclination of the regulating member.
  • Plate 33 comprises a housing in which the regulating member is arranged.
  • the assembly comprising the first idler 31 and the radial gear wheel 29.
  • the radial gear wheel 29 and the idler 31 cooperate so as to be able to tilt the radial gear wheel 29, while maintaining a meshing of same value between the idler and the gear wheel.
  • the ability to transmit rotary motion from one to the other is identical, regardless of the inclination of the gear wheel, in the range of use defined between the minimum and maximum inclination.
  • the tilting bridge 7 comprises a main longitudinal platform 53, at the ends of which the uprights of the pivots 42, 43 are arranged.
  • the platform 53 includes a central hole to allow the passage of the second axial shaft 17.
  • the main platform includes an eccentric bearing 95 to receive the fifth radial shaft 28.
  • the tilting bridge 7 comprises a secondary platform 54 arranged under the main platform 53.
  • the secondary platform 54 comprises a first bearing 50 arranged to receive the second axial shaft 17.
  • the first bearing 50 is arranged in the axis of the central hole of the platform main 53.
  • the secondary platform 54 comprises a second eccentric bearing 94 to receive the fifth radial shaft 28, the second bearing 94 being arranged in the axis of the eccentric bearing of the main platform 53.
  • the fifth radial shaft 28 is maintained between the main platform 53 and the secondary platform 54.
  • the ball bearing is fitted in the central hole and held in a housing arranged between the main platform 53 and the secondary platform 54.
  • the regulating member is a tourbillon 10.
  • the invention does not relate specifically to the intrinsic characteristics and operation of a tourbillon, which are known to those skilled in the art.
  • the tourbillon 10 comprises a mobile cage 55 inside which the inertial mass 56, the guide, the elastic return element 68 and the escapement mechanism 69 are arranged.
  • the tourbillon cage 55 is rotatably mounted around an axis of rotation thanks to a ball bearing 60 arranged between the tourbillon cage 55 and a tilting bridge 57 on which the tourbillon cage 55 is mounted.
  • the tourbillon cage 55 comprises an upper support 58 and a lower support 59 assembled by screws inserted into uprights 61, two in number.
  • the mechanical resonator provided with the inertial mass 56, the guide and the elastic return element, as well as the escapement mechanism are suspended between the upper support 58 and the lower support 59.
  • the upper support 58 and the lower support 59 have each a form of cross with two branches 63, 64 crossing in a crossing 65.
  • the two supports 58, 59 are arranged parallel one above the other.
  • Two uprights 61, 62 connect the two supports 58, 59 to each other, each upright 61, 62 connecting one end of a branch 63 of a support 58 to the end of the corresponding branch of the other support 58, 59.
  • the two ends of the other branch each support a bearing of a tourbillon shaft, the inertial mass shaft for one, and the wheel shaft exhaust for the other.
  • the uprights 61, 62 are assembled by screws 66 to
  • the inertial mass 56 is an annular balance wheel arranged on a first radial shaft 67 disposed radially parallel to the rotation shaft of the tourbillon cage 55.
  • the balance wheel is off-center and disposed at mid-height in the tourbillon cage 55.
  • the balance wheel is configured to perform a rotary oscillatory movement around the first radial shaft 67, inside the tourbillon cage 55 at a predetermined frequency.
  • a second radial shaft 72 is arranged in the tourbillon cage 55, the second radial shaft 72 carrying an escapement wheel 73, which is arranged above an escapement pinion 74 also carried by the second radial shaft 72.
  • the second radial shaft 72 is parallel to the axis of rotation of the tourbillon cage 55 and to the first radial shaft 67.
  • the escapement pinion 74 protrudes below the tourbillon cage 55, in an off-center position.
  • the escapement wheel 73 is arranged in the upper part of the tourbillon cage 55 so as to be visible from the outside.
  • the escapement wheel 73 cooperates with a Swiss lever 75 arranged perpendicularly between the first radial shaft 67 and the periphery of the escapement wheel 73.
  • the lever 75 comprises an elongated body provided with a fork at a first end, the fork being configured to cooperate with a pin of the first radial shaft 67, which is linked to the movement of the pendulum.
  • the second end of the anchor comprises two pallets arranged to cooperate with the escape wheel 73, by alternately blocking its rotation, so as to make it turn in steps.
  • Lever 75 is carried by a third radial shaft 76 arranged in tourbillon cage 55 between first radial shaft 67 and second radial shaft 72.
  • a seconds wheel 71 is arranged axially below the tourbillon cage 55, between the tilting bridge 57 and the tourbillon cage 55. This seconds wheel 71 does not rotate with the tourbillon cage 55, and is integral with the tilting bridge 57.
  • the seconds wheel 71 meshes with the escapement pinion 74 arranged on the second radial shaft 72. The seconds wheel 71 is movable relative to the plate with the tilting bridge 57.
  • the watch movement comprises means 40 for variable adjustment of the inclination of the tourbillon 10 with respect to the plate, so that the second plane of the inertial mass forms an angle of variable value with the foreground of the stage, as shown in the figure 14 And 15 .
  • the tourbillon 10 can be moved between a straight position in which the second plane of the inertial mass is substantially parallel to the first plane of the plate, and an oblique position in which the second plane of the inertial mass forms an angle with the first plan of the plate.
  • the angle of inclination can be modified by means of the variable adjustment means 40 of the inclination.
  • the variable adjustment means 40 make it possible to modify the angle of inclination of the regulating member relative to the plate in an interval ranging from 0° to 90°.
  • the balance wheel of the regulating organ is parallel to the foreground of the plate, while at 90°, the regulating organ is substantially perpendicular to the plate.
  • the interval goes from 0° to 45°, the regulating member being oblique with respect to the foreground of the plate. Thanks to the variable adjustment means 40, the angle can take all the values between the two extreme values.
  • the minimum angle is substantially 0°, while on the figure 15 , the maximum angle is 30°. In this embodiment, the maximum angle is 30°.
  • variable adjustment means 40 comprise a reference 80 arranged on the plate, the reference 80 being movable in rotation relative to the plate thanks to the drive means, the reference 80 comprising a substantially spherical toothing 81 configured to mesh with the tourbillon cage 55 to actuate it.
  • the tourbillon cage 55 comprises peripheral toothing 77 arranged on the lower support 59.
  • the lower support 59 comprises an outer ring 82 carrying the peripheral toothing 77.
  • the tourbillon cage 55 rotates around of its axis.
  • the reference 80 is similar, if not identical to those described in the carousel. It has a cylindrical shape, the toothing 81 of the concave peripheral face of which is substantially spherical to allow the peripheral toothing 77 of the outer ring 82 to engage with the transmission 80, whatever the inclination of the tourbillon 10.
  • the substantially spherical toothing 81 of the transmission 80 has double-cut teeth, which is a combination of a concave spherical cut and a straight cut.
  • a concave spherical cut favors cohesion with the tourbillon cage 55, whatever the orientation of the tourbillon cage 55 with respect to the reference 80.
  • the straight cut means that the teeth of the reference have a substantially equal width over the area of the straight cut.
  • the return 80 comprises a zone 90 with straight teeth to be able to cooperate with a meshing wheel.
  • peripheral toothing 77 of the outer ring 82 is preferably inclined relative to the plane of the outer ring 82 to cooperate with the return 81.
  • variable adjustment means 40 comprise a single reference 80, which drives only the tourbillon cage 55 of the tourbillon 10 to actuate the escapement mechanism.
  • the escapement pinion 74 is actuated by the movement of the tourbillon cage 55 and by the constraint of the fixed wheel 71.
  • the escapement mechanism is arranged in series with the tourbillon cage 55, with respect to the drive means.
  • variable adjustment means 40 comprise a meshing wheel of the first transmission actuated by the gear train.
  • a crown similar to that actuating the second carousel transmission could be used to actuate the tourbillon transmission.
  • FIG 21 shows a timepiece 84 fitted with a case 86 and a dial 85 on which the hands move.
  • the timepiece comprises a housing for the tourbillon 10, the dial 85 being pierced to be able to observe the tilting tourbillon 10.
  • the variable adjustment means 40 of the inclination of the tourbillon 10 comprise the tilting bridge 57 (shown in the figure 22 ) and on which is mounted the tourbillon cage 55, the ball bearing 60 being arranged between the tourbillon cage 55 and the tilting bridge 57.
  • the tilting bridge 57 is tiltable to choose the inclination of the tourbillon 10.
  • the tilting bridge 57 is arranged under the cage, the fixed seconds wheel 71 being arranged between the tilting bridge 57 and the tourbillon cage 55.
  • the tilting bridge 57 is rotatably mounted around an axis of rotation D 2 passing through the tourbillon cage 55, the axis being parallel to the tilting bridge 57, and preferably parallel to the foreground of the plate.
  • the tilting bridge 57 comprises a main longitudinal platform 96 provided with a central hole 89, uprights at the ends of the platform 96. Each upright comprises an external pivot 87, 88 arranged along the axis of rotation D 2 on both sides. other of the tourbillon cage 55, and cooperating with the bearings of the plate (not shown).
  • the ball bearing 60 is fitted in the central hole 89, or preferably in the seconds wheel 71.
  • variable adjustment means 40 comprise for example a wheel 91 integrally mounted on the tilting bridge 57, the wheel 91 being provided with a tilting toothing, the actuation of the tilting wheel 91 generating the tilting of the tilting bridge 57.
  • the means for actuating the tilt are identical to those described for the embodiment of the carousel concerning the wheel integrally mounted on the tilting bridge.
  • the regulating organ is a conventional regulating organ 100 which can be tilted on demand.
  • the invention does not relate specifically to the intrinsic characteristics and operation of a conventional regulating member, which are known to those skilled in the art.
  • the conventional regulating member 100 comprises an inertial mass 103, a guide, an elastic return element and an escapement mechanism.
  • the conventional regulating member 100 comprises a cage of the conventional regulating member 102 inside which are arranged a mechanical resonator provided with an inertial mass 103, a guide and an elastic return element 104, as well as a 105 escapement mechanism with 126 Swiss lever.
  • the cage of the classic regulating organ 102 is integrally mounted on a tilting bridge 107.
  • the cage of the conventional regulating organ 102 comprises an upper support 108 and a lower support 109 assembled by screws 111 inserted into uprights 112, three in number.
  • the mechanical resonator provided with the inertial mass 103, the guide and the elastic return element, as well as the escapement mechanism are suspended between the upper support 108 and the lower support 109.
  • the upper support 108 is a circular ring with three branches 113 connected to a central hub.
  • the bottom bracket 109 includes three arms 114 extending from a central junction, the arms 114 connecting the three eccentric uprights 112 at the central junction.
  • the three uprights 112 are distributed angularly on the periphery of the cage of the conventional regulating organ 102, so as to connect the wheel to each arm 114.
  • the inertial mass 103 is an annular balance wheel arranged on a first axial shaft 116 disposed in the middle of the cage of the conventional regulating member 102.
  • the balance wheel is disposed in the upper part of the cage of the conventional regulating member 102 in order to be visible from the outside.
  • the balance wheel is configured to operate a rotary oscillatory movement around the first axial shaft 116, inside the cage of the conventional regulating member 102 at a predetermined frequency.
  • a second axial shaft 117 substantially collinear with the first axial shaft 116, is arranged under the first axial shaft 116.
  • the second axial shaft 117 extends partly under the cage of the conventional regulating member 102 and the tilting bridge 107.
  • a first axial pinion 118 secured to the second axial shaft 117 in its middle, is coaxial with the balance wheel and arranged under the cage of the conventional regulating organ 102.
  • An intermediate wheel 119 is secured to the second axial shaft 117 below the balance wheel in the cage of the conventional regulating member 102.
  • the intermediate wheel 119 meshes with an escapement pinion 121 arranged on a third radial shaft 122, which is substantially parallel to the axial shafts 116, 117.
  • the third radial shaft 122 is arranged in the cage of the conventional regulating member 102.
  • the third radial shaft 122 also holds an escape wheel 125, which is arranged above the pinion of escapement 121.
  • the escapement wheel 125 cooperates with a Swiss lever 126 arranged perpendicularly between the first axial shaft 116 and the periphery of the escapement wheel 125.
  • the lever 126 comprises an elongated body provided with a fork at a first end, the fork being configured to cooperate with a pin of the first axial shaft 116, which is linked to the movement of the pendulum.
  • the second end of the lever 126 comprises two pallets arranged to cooperate with the escapement wheel 125, by alternately blocking its rotation, so as to make it turn in steps.
  • the anchor 126 is carried by a fourth radial shaft 127 arranged in the cage of the conventional regulating organ 102 between the first axial shaft 116 and the third radial shaft 122.
  • the conventional regulating member 100 also comprises a radial gear wheel 129 arranged under the cage of the conventional regulating member 102, which meshes with the first axial pinion 118.
  • the radial gear wheel 129 is carried by a fifth radial shaft 128 arranged under the cage of the conventional regulating organ 102. Actuation of the radial gear wheel 129 rotates the first axial pinion 118.
  • the watch movement comprises means 130 for variable adjustment of the inclination of the regulating member 100 with respect to the plate, so that the rotation shaft and the second plane of the inertial mass forms a variable angle of inclination with the first plane of the stage.
  • the regulating member 100 can be inclined so as to obtain a variable angle of inclination, the angle being selectable thanks to the variable adjustment means 130.
  • variable adjustment means 130 modify the angle of inclination of the regulating member relative to the plate in a range ranging from 0° to 45°.
  • the balance wheel of the regulating organ is parallel to the foreground of the plate, while at 45°, the regulating organ is oblique with respect to the foreground of the plate. Thanks to the variable adjustment means 130, the angle can take all the values between the two extreme values.
  • the minimum angle is substantially 0°, while on the figure 25 , the maximum angle is 30°. In this embodiment, the maximum angle is 30°.
  • variable adjustment means 130 comprise a reference 131 arranged on the plate.
  • the reference 131 is rotatable relative to the plate thanks to the drive means.
  • the transmission 131 comprises a substantially spherical toothing 181 configured to mesh with the radial wheel 129 of the regulating member 100 to actuate it.
  • the reference 131 is similar, even identical to the first reference of the carousel. It has a cylindrical shape whose toothing 181 of the concave peripheral face is spherical to allow the radial gear wheel 129 to engage with the transmission 131, whatever the inclination of the conventional regulating member. Such a substantially spherical toothing 181 promotes cohesion with the radial gear wheel 129, regardless of the orientation of the radial gear wheel 129 with the transmission 131.
  • the return 131 also has double-cut teeth, combining a concave spherical cut and a straight cut.
  • the straight cut means that the teeth of the return 131 have a substantially equal width over the height of the straight cut zone.
  • the reference 131 includes a zone 180 with straight teeth to be able to cooperate with a meshing wheel.
  • Zone 180 is arranged above the concave peripheral face.
  • the radial gear wheel 129 preferably comprises peripheral teeth 182 inclined relative to the plane of the radial gear wheel 129 to cooperate with the teeth with a straight cut 180 of the return 131.
  • variable adjustment means 130 comprise a single reference 131, which only drives the escapement mechanism.
  • the means for actuating the inclination are identical to those described for the embodiments of the carousel and the tourbillon.
  • the return 131 is actuated by the drive means, via the gear train 98.
  • the drive means comprise a meshing wheel which directly actuates the return 131 by the straight teeth 180, as for the first referral from the carousel.
  • the drive means may comprise a crown with internal teeth arranged around the cage of the conventional regulating organ 102, so as to be able to actuate the transmission 131 when the crown rotates around the cage of the conventional regulating organ 102 , as for the second carousel return.
  • the crown or the meshing wheel produces the movement of the escapement and of the balance wheel in the cage of the conventional regulating organ 102 of the regulating organ 100.
  • the cage of the classic regulating organ 102 does not move relative to the tilting bridge 107.
  • the variable adjustment means 130 of the inclination of the regulating member 100 comprise the tilting bridge 107 on which is mounted the cage of the conventional regulating member 102.
  • the tilting bridge 107 is tiltable to choose the inclination of the regulating organ 100.
  • the tilting bridge 107 is arranged under the cage of the conventional regulating organ 102.
  • the tilting bridge 107 is similar or even identical to that of the carousel of the first embodiment.
  • the tilting bridge 107 is rotatably mounted about an axis of rotation D 3 passing through the cage of the conventional regulating member 102, the axis of rotation D 3 being parallel to the tilting bridge 107.
  • the tilting bridge 107 comprises a main platform 97 longitudinal provided with a central hole and uprights at the ends of the platform 97.
  • Each upright comprises an external pivot 187, 188 arranged along the axis of rotation D 3 on either side of the cage of the conventional regulating organ 102, and cooperating with two bearings of the plate.
  • the other characteristics are identical to those of the bridge of the carousel 1, the tilting bridge 107 also comprising a secondary platform 99.
  • the actuating means comprise a wheel 185 integrally mounted on the tilting bridge 107, the actuation of the wheel 185 generating the inclination of the tilting bridge 107.
  • the actuating means comprise a wheel 185 integrally mounted on the tilting bridge 107, the actuation of the wheel 185 generating the tilting of the tilting bridge 107.
  • the wheel 185 comprises a tilting toothing 145 arranged around one of the pivots 187, 188, the inclination toothing 145 extending parallel to the axis of rotation D 3 .
  • the inclination toothing 145 cooperates with actuating means.
  • the actuating means mesh with wheel 185, so that tilting bridge 107 rotates around axis of rotation D 3 .
  • the tilt actuating means are identical to those described for the embodiments of carousel 1 and tourbillon 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
EP21213627.9A 2021-12-10 2021-12-10 Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison Pending EP4194962A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21213627.9A EP4194962A1 (fr) 2021-12-10 2021-12-10 Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison
US18/074,121 US20230185244A1 (en) 2021-12-10 2022-12-02 Horological movement comprising a regulating member provided with means for variably adjusting the inclination
JP2022194780A JP7546031B2 (ja) 2021-12-10 2022-12-06 傾斜を可変的に調整するための手段を有する調速部材を備える時計ムーブメント
CN202211596571.7A CN116256963B (zh) 2021-12-10 2022-12-09 包括设有用于可变地调节倾斜度的装置的调节机构的钟表机芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21213627.9A EP4194962A1 (fr) 2021-12-10 2021-12-10 Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison

Publications (1)

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EP4194962A1 true EP4194962A1 (fr) 2023-06-14

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EP21213627.9A Pending EP4194962A1 (fr) 2021-12-10 2021-12-10 Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison

Country Status (4)

Country Link
US (1) US20230185244A1 (ja)
EP (1) EP4194962A1 (ja)
JP (1) JP7546031B2 (ja)
CN (1) CN116256963B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6500879B2 (ja) * 2016-08-30 2019-04-17 株式会社三洋物産 遊技機
EP4194958A1 (fr) * 2021-12-10 2023-06-14 Blancpain SA Mouvement d'horlogerie comprenant un organe mobile muni de moyens d'ajustement variable de l'inclinaison

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693832A5 (de) * 2002-08-30 2004-02-27 Guebelin Ag Tourbillon.
US20080198701A1 (en) * 2005-07-13 2008-08-21 Patrick Lete Timepiece

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1995650B1 (fr) * 2007-05-23 2018-03-07 Blancpain S. A. Mouvement horloger comprenant un carrousel
EP3035131A1 (fr) * 2014-12-18 2016-06-22 Jeanneret, Marc Andre Oscillateur pour mouvement horloger
CH713055A2 (fr) * 2016-10-18 2018-04-30 Eta Sa Mft Horlogere Suisse Mouvement d'horlogerie comportant un mécanisme résonateur et un mécanisme d'échappement coopérant en transmission continue.
CH713658B1 (fr) * 2017-03-30 2019-09-30 Swatch Group Res & Dev Ltd Mouvement horloger comprenant deux organes réglants.
EP4194958A1 (fr) 2021-12-10 2023-06-14 Blancpain SA Mouvement d'horlogerie comprenant un organe mobile muni de moyens d'ajustement variable de l'inclinaison

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693832A5 (de) * 2002-08-30 2004-02-27 Guebelin Ag Tourbillon.
US20080198701A1 (en) * 2005-07-13 2008-08-21 Patrick Lete Timepiece

Also Published As

Publication number Publication date
JP2023086696A (ja) 2023-06-22
US20230185244A1 (en) 2023-06-15
CN116256963B (zh) 2024-09-06
JP7546031B2 (ja) 2024-09-05
CN116256963A (zh) 2023-06-13

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