EP4266131A1 - Dreidimensionales karussell für uhrwerk - Google Patents

Dreidimensionales karussell für uhrwerk Download PDF

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Publication number
EP4266131A1
EP4266131A1 EP23165446.8A EP23165446A EP4266131A1 EP 4266131 A1 EP4266131 A1 EP 4266131A1 EP 23165446 A EP23165446 A EP 23165446A EP 4266131 A1 EP4266131 A1 EP 4266131A1
Authority
EP
European Patent Office
Prior art keywords
cage
rotation
outer cage
dimensional
dimensional carousel
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
EP23165446.8A
Other languages
English (en)
French (fr)
Inventor
Kadmiel WHARTON
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
Publication of EP4266131A1 publication Critical patent/EP4266131A1/de
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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/02—Oscillators acting by gravity, e.g. pendulum swinging in a plane
    • G04B17/025—Composite and multiple pendulums; Synchronisation of mechanical pendulums, e.g. electrical synchronisation G04C3/025; pendulum systems G04C13/028

Definitions

  • the invention relates to the field of carousel or tourbillon type regulating organs for clock movements.
  • a sprung balance constitutes the time base of the watch. It is also called a resonator.
  • a spiral spring plays the role of an elastic return element for the inertial mass that constitutes, for example, a balance wheel. This balance wheel is guided in rotation by pivots which rotate in smooth ruby bearings.
  • the escapement mechanism and the cage rotation mechanism are arranged in series.
  • the means driving the movement actuate the rotation of the cage, and it is the rotation of the cage which generates the actuation of the escapement mechanism.
  • the escapement mechanism meshes with a fixed wheel of the movement to be operated.
  • a carousel works differently, because the actuation of the rotation of the cage and the actuation of the escape mechanism are produced in parallel by the drive means. The two movements are independent of each other. Thus, unlike the tourbillon, the rotation of the cage can occur even if the escapement mechanism is blocked.
  • the carousel includes a retaining gear, which blocks the cage if the escapement mechanism is blocked.
  • Such vortices comprise at least two cages rotating around at least two axes of rotation, preferably perpendicular to each other.
  • cage configurations for three-dimensional vortices are not adaptable to carousels, due to the particular configuration and operation of the carousel, in particular due to the parallel actuation of the rotation of the cage and the mechanism of rotation. exhaust. So, there really is no such thing as a three-dimensional carousel.
  • the invention aims to remedy the aforementioned drawbacks, and aims to provide a clock movement comprising a three-dimensional carousel.
  • the invention relates to a three-dimensional carousel for a watch movement comprising drive means provided with a barrel and a gear train, said three-dimensional carousel comprising an inertial mass, return means elastic of the inertial mass and an escape mechanism,
  • the three-dimensional carousel is remarkable in that it comprises an inner cage and an outer cage, the inner cage carrying the inertial mass, the elastic return means of the balance and the escapement mechanism, the inner cage being movable in rotation around 'a first axis of rotation, the outer cage being movable in rotation around a second axis of rotation different from the first axis, the inner cage being housed inside the outer cage, the drive means being configured to actuate the rotational movement of the outer cage in parallel with the rotational movement of the inner cage, a first part of the torque supplied by the drive means being transmitted to the outer cage, and a second part of the torque being transmitted to the inner cage , the drive means being further configured to actuate the exhaust mechanism in parallel with the rotational movement of the outer cage and in parallel with the rotational movement of the inner cage, a third part of the torque supplied by the means of drive being transmitted to the exhaust mechanism.
  • the actuation of the escape mechanism, the outer cage and the inner cage are independent of each other, in accordance with a carousel.
  • a first part of the torque supplied by the drive means is transmitted to the outer cage, a second part of the torque is transmitted for the rotational movement of the cage interior, and a third part of the torque is transmitted to the exhaust mechanism.
  • the carousel is three-dimensional because the inner cage and the outer cage are movable in rotation around two different axes of rotation.
  • the drive means comprise a seconds driving crown arranged around the second axis of rotation of the outer cage, preferably around the outer cage, the seconds driving crown being configured to transmit in parallel to the outer and inner cages the first and second parts of the torque supplied by the drive means.
  • the rotation of the second drive crown also generates the actuation of the escapement mechanism in parallel with the rotations of the outer cage and the inner cage.
  • the three-dimensional carousel comprises a mobile cage driver carried by the outer cage or the inner cage, the mobile cage driver being free to rotate relative to the outer and inner cages, the rotation of the mobile cage trainer operating in parallel the exhaust mechanism and the rotational movement of the interior cage.
  • the second driving ring meshes with the cage driving mobile.
  • the escape mechanism comprises an escape wheel, an escape pinion and an intermediate wheel meshing with the pinion exhaust, the mobile cage driver meshing with the intermediate wheel of the escape mechanism.
  • the three-dimensional carousel comprises first retaining cogs of the inner cage, the first retaining cogs being arranged in the inner cage, so as to mesh with the intermediate wheel of the escape mechanism and a wheel secured to the outer cage, in order to prevent excessive rotational speed of the inner cage.
  • the three-dimensional carousel comprises second retaining cogs of the outer cage, the second retaining cogs being arranged outside the outer cage, so as to mesh with the driving ring of the second and with the outer cage, in order to prevent excessive rotational speed of the outer cage.
  • the seconds driving crown comprises two teeth, a first tooth meshing with the cage driving mobile, and a second tooth meshing with the second retaining cogs.
  • the three-dimensional carousel comprises a first ball bearing arranged to allow the rotation of the outer cage.
  • the three-dimensional carousel comprises a second ball bearing arranged to allow the rotation of the second drive crown.
  • the outer cage comprises an upper annular part and a lower annular part rigidly connected to each other, the upper annular part supporting the inner cage by at least one bearing, preferably two bearings, the lower part being provided with external teeth.
  • the inner cage comprises an upper support and a lower support, the inertial mass, the elastic return means of the inertial mass and the escape mechanism being suspended between the upper support and the lower support.
  • the rotation speed of the inner cage is greater than the rotation speed of the outer cage.
  • the first axis of rotation is substantially perpendicular to the second axis of rotation.
  • the invention also relates to a clock movement comprising such a three-dimensional carousel.
  • the invention relates to a three-dimensional carousel 1 and a timepiece movement 10 comprising such a three-dimensional carousel 1.
  • the timepiece movement 10 comprises a plate (not shown in the figures), which preferably extends substantially in a plane, the plate being configured to support parts of the movement 10.
  • Movement 10 partly represented on the figures 1 And 2 , also comprises drive means 15 comprising a barrel 7 and a gear train 13 making it possible to activate the movement of the hands (not shown) and to transmit the driving force provided by the spring of the barrel 7 to the three-dimensional carousel 1.
  • the three-dimensional carousel 1 is a regulating member provided with an inertial mass 6, a guide and an elastic return element 4 of the inertial mass 6 configured to make it oscillate substantially in a plane.
  • the three-dimensional carousel also includes an escapement mechanism 5 cooperating with the inertial mass 6.
  • the elastic return element 4 is for example a spiral spring and the inertial mass 6 is an annular balance associated with the spiral spring to carry out a movement oscillatory.
  • the escape mechanism 5 is for example a usual escape mechanism comprising an escape wheel 25, an anchor 26 and an intermediate wheel 19.
  • the escape wheel 25 cooperates with the anchor 26 to rotate intermittently, according to a predefined frequency.
  • the anchor 26 is mobile thanks to the movement of the balance and the impulses of the escape wheel 25.
  • the drive means 15 designate the parts making it possible to supply and transmit the energy necessary for the operation of the three-dimensional carousel 1.
  • the invention does not relate specifically to the intrinsic characteristics and operation of a simple carousel, which are known to those skilled in the art.
  • THE figures 1 to 8 show in particular a three-dimensional carousel 1.
  • the three-dimensional carousel 1 comprises an interior cage 2 inside which are arranged the mechanical resonator provided with the inertial mass 6, the guide and the elastic return element 4, as well as an escapement mechanism 5 with Swiss anchor 26.
  • the inner cage 2 comprises an upper support 8 and a lower support 9 assembled to an intermediate structure 57 by screws 11 inserted in uprights 12, two in number for the upper support 8, and three for the lower support 9.
  • the resonator mechanical provided with the inertial mass 6, the guide and the elastic return element 4 are suspended between the upper support 8 and the intermediate structure 57, while the escape mechanism 5 is suspended between the intermediate structure 57 and the lower support 9.
  • the lower support 9 comprises an armature 14 with several segments 23 connected to each other to form junctions supporting bearings and the uprights 12 supporting the elements of the mechanism inside the inner cage 2.
  • the inertial mass 6 is arranged on a first shaft disposed in the inner cage 2.
  • the first shaft is substantially perpendicular to the plane of the inertial mass 6.
  • the balance wheel is arranged in the upper part of the inner cage 2 in order to be visible from the outside.
  • the balance wheel is configured to perform a rotary oscillatory movement around the first shaft, inside the inner cage 2 at a predetermined frequency.
  • a second shaft 17 substantially parallel to the first shaft is placed in the inner cage.
  • An intermediate wheel 19 is integral with the second shaft 17.
  • the intermediate wheel 19 meshes with an exhaust pinion 21 arranged on a third shaft 22, which is substantially parallel to the first and second shaft 17.
  • the third shaft 22 is arranged in the inner cage 2.
  • the third shaft 22 further holds the escape wheel 25, which is arranged above the escape pinion 21.
  • the escape wheel 25 cooperates with a Swiss anchor 26 arranged perpendicular to the periphery of the wheel d escapement 25.
  • the anchor 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 shaft, which cooperates with the movement of the balance.
  • the second end of the anchor 26 comprises two pallets arranged to cooperate with the escape wheel 25, by alternately blocking its rotation, so as to make it rotate in steps.
  • the anchor 26 is carried by a fourth shaft 27 arranged in the inner cage 2.
  • the inner cage 2 is rotatably mounted around a first axis of rotation D 1 inside the outer cage 3.
  • the inner cage 2 comprises two pivots 42, 43 each cooperating with a bearing 39, 41 of the outer cage 3, the pivots 42, 43 being arranged along the axis of rotation D 1 of the inner cage.
  • Each bearing 39, 41 includes a hole allowing the insertion of the pivot 42, 43.
  • the two pivots 42, 43 can rotate inside each bearing 39, 41.
  • the first axis of rotation D 1 of the inner cage 2 passes through the outer cage 3.
  • the outer cage 3 comprises an annular upper part 24 and an annular lower part 28 rigidly connected to each other by uprights 31.
  • the upper part 24 carries the inner cage 2 by means of bearings 39, 41 arranged opposite each other. notice.
  • the lower part 28 is provided with peripheral external teeth 32 making it possible to activate the rotation of the outer cage 3.
  • the three-dimensional carousel 1 comprises a first ball bearing 33 arranged to allow the rotation of the outer cage 3.
  • the first ball bearing 33 is for example fitted into the plate or into a plate bridge (not shown in the figures).
  • the first ball bearing 33 is arranged laterally around the lower part 28.
  • the first ball bearing 33 comprises a fixed ring relative to the plate, which holds the balls against the lower part 28.
  • the outer cage 3 is movable in rotation around a second axis of rotation D 2 .
  • the inner 2 and outer 3 cages are actuated using the drive means 15 of the clockwork movement.
  • the rotation of the outer cage 3 is produced in parallel with the rotation of the inner cage 2 by the drive means 15.
  • the drive means 15 are configured to actuate the exhaust mechanism 5 in parallel with the rotational movement of the outer cage 3 and in parallel with the rotational movement of the inner cage 2.
  • the three-dimensional carousel 1 comprises a mobile cage driver 30 arranged and centered around the first axis of rotation D 1 .
  • the mobile trainer of cage 30 comprises a cage driving pinion 34 and a cage driving wheel 35.
  • the cage driving mobile 30 is carried by the inner cage 2.
  • the cage driving mobile 30 is arranged around the pivot 42 of the inner cage 2 to inner proximity of the first bearing 39, between the inner cage 2 and the outer cage 3.
  • the cage driving pinion 34 is arranged towards the outside of the outer cage 3, and the cage driving wheel 35 is arranged towards the inside of the outer cage 3.
  • the cage driving mobile 30 is mounted to rotate freely relative to the inner cage 2 and the outer cage 3.
  • the cage driving wheel 35 and the cage driving pinion 34 are not integral outer cages 3 and inner cages 2. They can rotate freely, the cage driving pinion 34 and the cage driving wheel 35 being integral, particularly in rotation.
  • the cage driving wheel 35 meshes with the intermediate wheel 19 of the escapement mechanism 5.
  • the escape wheel 25, the anchor 26 and the movement of the balance are actuated, via the intermediate wheel 19 and of the exhaust pinion 21, which rotate the third shaft 22.
  • the cage driving pinion 34 is engaged.
  • the three-dimensional carousel 1 comprises a second driving ring 20 arranged in a movable manner to rotate on itself around the second axis of rotation D 2 of the outer cage 3, preferably around the outer cage 3.
  • the crown second drive 20 has a ring shape comprising a first upper toothing 36 and a second peripheral toothing 37.
  • the first upper toothing 36 has teeth oriented upwards over the entire ring.
  • the second peripheral toothing 37 has teeth oriented outwardly around the entire ring.
  • the second driving crown 20 turns, the upper teeth 36 drives the cage driving pinion 34, which is arranged to the outside of the outer cage 3.
  • the seconds driving crown 20 drives the intermediate wheel 19 of the escapement mechanism 5 via the cage driving wheel 35 of the cage driving mobile 30.
  • the second driving ring is arranged inside the outer cage, preferably between the two cages.
  • the three-dimensional carousel 1 comprises a second ball bearing 38 arranged to allow the rotation of the second driving ring 20.
  • the second ball bearing 38 is arranged under the second driving ring all along the ring.
  • the second ball bearing is for example fitted into the plate or into a plate bridge (not shown in the figures).
  • first ball bearing 33 and the second ball bearing 38 are superimposed, the second ball bearing 38 being arranged above the first ball bearing 33.
  • the first ball bearing 33 comprising a first ring peripheral 55
  • the second ball bearing 38 comprising a second peripheral ring 56, the second peripheral ring 56 being assembled to the first peripheral ring 55.
  • the second driving crown 20 is driven by the drive means 15 by cogs of the gear system 13.
  • the escapement mechanism 5 is actuated and the rotation of the inner cage 2 and the outer cage 3 thanks to a torque supplied by the drive means 15.
  • the second driving crown 20 transmits the torque to the inner 2 and outer 3 cages, as well as to the escapement mechanism 5.
  • a first part of the torque is transmitted to the outer cage 3 to make it rotate around the second axis of rotation D 2
  • a second part of the torque is transmitted to the inner cage 2 to make it rotate around the first axis of rotation D 1
  • a third part of the torque is transmitted to the escapement mechanism to actuate the escapement wheel 25.
  • the first part of the torque applies to the pivot 42 of the mobile cage driver 30 and causes the rotation of the outer cage 3 around the second axis of rotation D 2 .
  • the second part of the torque is applied to the intermediate wheel 19 of the escapement mechanism 5 via the cage driving mobile 30 and causes the rotation of the inner cage 2.
  • the drive means 15 are configured to actuate the rotational movement of the outer cage 3 in parallel with the rotational movement of the inner cage 2. But the rotation of the outer cage 3 is not inextricably linked to the rotation of the inner cage 2. Thus, if the rotation of the inner cage 2 is blocked, the outer cage 3 can continue to rotate.
  • the third part of the torque is applied to the escape wheel 25 via the intermediate wheel 19 of the escape mechanism 5 and the cage driving mobile 30.
  • the intermediate wheel 19 then pivots on itself and drives the escape mechanism 5.
  • the drive means 15 are further configured to actuate the escape mechanism 5 in parallel with the rotational movement of the outer cage 3 and in parallel with the rotational movement of the inner cage 2.
  • the intermediate wheel 19 distributes the torque to the escape wheel 25 on the one hand, and to a wheel 45 of first retaining cogs 40 described later, which retain the rotation of the inner cage 2.
  • the rotation of the inner cage 2 n is not inextricably linked to the rotation of the escape wheel 25. Thus, if the escape wheel 25 is blocked, the inner cage 2 can continue to rotate.
  • the three-dimensional carousel 1 comprises first retaining cogs 40 of the inner cage 2, the first retaining cogs 40 being arranged in the inner cage 2, so as to mesh with the intermediate wheel 19 of the escape mechanism 5 and a wheel secured to the outer cage 44.
  • the wheel secured to the outer cage 44 is movable with the outer cage 3.
  • the wheel secured to the outer cage 44 is mounted on the second bearing 41 of the outer cage 3, so as to be centered and perpendicular to the first axis of rotation D 1 .
  • the wheel secured to the outer cage 44 makes it possible to retain the rotation of the inner cage 2, and not to allow the rotation of the inner cage 2 as in a whirlwind.
  • the first retaining gears 40 comprise two mobiles meshing with each other, a first mobile 45 meshing with the intermediate wheel 19 of the escapement mechanism 5, and the second mobile 46 meshing with the wheel secured to the outer cage 44.
  • the two mobiles 45, 46 are each mounted on a different shaft 53, 54, mounted in the inner cage 2, between the intermediate structure 57 and the lower support 9.
  • the first retaining cogs 40 prevent the inner cage 2 from rotating freely.
  • the first retaining cogs 40 are blocked by the intermediate wheel 19, which is retained by the escape wheel 25 blocked by the anchor 26.
  • they are configured to rotate at a predefined speed corresponding to the second part of the torque, when the escape wheel 25 is released from the anchor 26.
  • the second mobile 46 of the first retaining cogs 40 rotates around the wheel secured to the outer cage 44, and allows the cage inner 2 to rotate around the first axis D 1 .
  • the three-dimensional carousel 1 comprises second retaining cogs 50 of the outer cage 3.
  • the second retaining cogs 50 are arranged outside the cage outer 3, so as to mesh with the second driving crown 20 and with the outer cage 3.
  • the second retaining cogs 50 comprise a first gear wheel 47 meshing with the second peripheral toothing of the second drive ring gear 20, and a second gear wheel 48 meshing with the peripheral external toothing of the lower part of the outer cage 3.
  • the first gear wheel 47 and the second gear wheel 48 are linked by a connecting wheel 49 provided with a pinion 51 and a third gear wheel 52.
  • the third gear wheel 52 meshes the first gear wheel 47 and the pinion 51 mesh with the second gear wheel 48.
  • the second retaining gears 50 prevent the outer cage 3 from rotating at a speed higher than that desired.
  • the second retaining cogs 50 connect the rotation of the outer cage 3 with the second drive crown 20.
  • the second retaining cogs block the rotation of the outer cage 3.
  • the cage driving mobile 30 can no longer pivot on itself.
  • the second retaining cogs 50 block the rotation of the outer cage 3 because they prevent the second driving crown 20 from rotating.
  • An advantage of the three-dimensional carousel 1 according to the invention is that it makes it possible to easily choose and adjust different rotation speeds for the inner 2 and outer 3 cages.
  • the speed of rotation of the inner cage 2 and outer cage 3 depends on the size and number of teeth of the second driving ring 20, the cage driving mobile 30 and the first and second retaining cogs 40.50.
  • the rotation speed of the inner cage 2 is determined by the first retaining cogs 40 and by the rotation speed of the driving wheel of seconds 20.
  • the rotation speed of the outer cage 3 is determined by the second retaining cogs 50 and by the speed of the driving wheel of seconds 20. In particular, it depends respectively on the number of teeth of the first 40 and second retaining cogs 50 for each cage 2, 3.
  • the outer cage 3 makes for example one revolution per minute
  • the inner cage 2 makes for example one and a half revolutions per minute
  • the seconds driving crown 20 also makes one and a half revolutions per minute.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
EP23165446.8A 2022-04-22 2023-03-30 Dreidimensionales karussell für uhrwerk Pending EP4266131A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22169523 2022-04-22

Publications (1)

Publication Number Publication Date
EP4266131A1 true EP4266131A1 (de) 2023-10-25

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Family Applications (1)

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EP23165446.8A Pending EP4266131A1 (de) 2022-04-22 2023-03-30 Dreidimensionales karussell für uhrwerk

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US (1) US20230341818A1 (de)
EP (1) EP4266131A1 (de)
JP (1) JP7554868B2 (de)
CN (1) CN116931409A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005111742A1 (fr) * 2004-04-15 2005-11-24 Montres Breguet Sa Montre comportant au moins deux tourbillons
EP1615085A1 (de) * 2004-07-08 2006-01-11 Audemars Piguet (Renaud et Papi) SA Korrekturmechanismus von einem Teller einer Regulierungsvorrichtung für ein Uhruh-Spiralfeder
EP3671363A1 (de) * 2018-12-18 2020-06-24 TEC Ebauches SA Uhrwerk und uhr, die ein solches uhrwerk umfasst

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005111742A1 (fr) * 2004-04-15 2005-11-24 Montres Breguet Sa Montre comportant au moins deux tourbillons
EP1615085A1 (de) * 2004-07-08 2006-01-11 Audemars Piguet (Renaud et Papi) SA Korrekturmechanismus von einem Teller einer Regulierungsvorrichtung für ein Uhruh-Spiralfeder
EP3671363A1 (de) * 2018-12-18 2020-06-24 TEC Ebauches SA Uhrwerk und uhr, die ein solches uhrwerk umfasst

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FLORES: "Bulletin SSC n° 89", 15 May 2020 (2020-05-15), pages 43 - 50, XP055955875, Retrieved from the Internet <URL:https://www.ssc.ch/fileadmin/user_upload/Bulletins/B89/10_SSC_B89_Carrousel.pdf> [retrieved on 20220829] *

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Publication number Publication date
JP7554868B2 (ja) 2024-09-20
JP2023160766A (ja) 2023-11-02
US20230341818A1 (en) 2023-10-26
CN116931409A (zh) 2023-10-24

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