EP3193216B1 - Uhrwerksmechanismus mit tourbillon - Google Patents

Uhrwerksmechanismus mit tourbillon Download PDF

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Publication number
EP3193216B1
EP3193216B1 EP17150327.9A EP17150327A EP3193216B1 EP 3193216 B1 EP3193216 B1 EP 3193216B1 EP 17150327 A EP17150327 A EP 17150327A EP 3193216 B1 EP3193216 B1 EP 3193216B1
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EP
European Patent Office
Prior art keywords
wheel
gear train
timepiece mechanism
ring
cage
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
EP17150327.9A
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English (en)
French (fr)
Other versions
EP3193216A1 (de
Inventor
Mathieu Barraud
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.)
Richemont International SA
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Richemont International SA
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Publication date
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Publication of EP3193216A1 publication Critical patent/EP3193216A1/de
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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
    • 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
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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

Definitions

  • the present invention relates to a tourbillon clock mechanism.
  • the term "vortex" means any rotating regulating system including the eddies themselves and the carousels.
  • An example of a carousel is described in the document CH 703330 .
  • the oscillations of a regulating member are maintained by an escapement which itself is driven by a source of energy via a gear train called a finishing train.
  • the escapement and the regulating member are mounted on a cage to form a vortex.
  • the cage is rotated by the finishing gear while for the exhaust drive relative to the cage, an exhaust pinion meshes with a fixed second wheel.
  • the function of such a vortex is to compensate for the variations in travel due to gravity by making the regulating member take different vertical positions.
  • Equipping a watch movement with a tourbillon is therefore advantageous in terms of the precision of the measurement of time.
  • the energy consumed is greater than in a conventional movement without vortex since it is necessary to rotate the vortex cage.
  • This increase in energy consumption decreases the running time, that is to say involves the user having to go back up the movement more frequently.
  • the tourbillon cage rotates and the mechanism according to the invention functions as a classic tourbillon movement.
  • the vortex cage is stopped and the mechanism according to the invention functions as a conventional movement without vortex. The user can therefore choose the mode of operation of his watch and the benefits associated therewith.
  • said at least one energy source comprises first and second energy sources arranged to respectively drive the first and second wheels.
  • the drive wheel is coaxial with the tourbillon cage.
  • the tourbillon cage is coaxial and integral with a first ring of a bearing and the drive wheel is coaxial and integral with, or formed by, a second ring of said bearing.
  • first and second rings are separated by a fixed intermediate ring coaxial with the first and second rings.
  • the first ring is an inner ring and the second ring is an outer ring.
  • the selection device may include a stop lever which can occupy a first position where it blocks the first wheel leaving the second free wheel to turn and a second position where it blocks the second wheel leaving the first wheel free to turn.
  • the selection device may further comprise a column wheel for controlling the stop lever.
  • the watch mechanism according to the invention further comprises a device for resetting the tourbillon cage.
  • the stop lever comprises a blade which, in the first position of the stop lever, is engaged in the toothing of a wheel or star kinematically connected to the first gear
  • the reset device comprises a reset lever arranged to deform the blade so that it leaves said toothing to interrupt the path of an abutment carried by said wheel or star.
  • the reset lever is controlled by said column wheel.
  • a watch mechanism intended to form or be part of the movement of a timepiece such as a wristwatch or a pocket watch, comprises two independent barrels 1, 2 leading to first and second respective wheels 3, 4.
  • the barrels 1, 2 can be reassembled, for example, by a known mechanism comprising a winding stem, a rotation in one direction up one of the barrels and a rotation in the other direction up the other barrel.
  • the first gear 3 comprises a pinion of medium 5 which meshes with the barrel 1, a wheel of high average 6 coaxial and secured to the pinion of medium 5, a pinion of average 7 which meshes with the wheel of medium 6, a coaxial average wheel 8 and secured to the average pinion 7 and a pinion second 9 which meshes with the average wheel 8.
  • the second wheel 4 comprises a pinion of medium 10 which meshes with the barrel 2, a wheel of great average 11 coaxial and secured to the pinion of medium 10, a pinion of average 12 which meshes with the wheel of medium 11, a wheel of coaxial mean 13 and secured to the average pinion 12, a pinion of second 14 which meshes with the wheel of average 13 and a coaxial second wheel 15 and secured to the second gear 14.
  • a first stopping star 16 is coaxial and secured to the second gear 9 of the first gear 3.
  • a second stopping star 17 is coaxial and secured d u second gear 14 and the second wheel 15 of the second wheel 4.
  • the two wheels 3, 4 connect the two barrels 1, 2 to the same regulating system in the form of a tourbillon comprising an exhaust 18 and a regulating member 19 carried by a vortex cage 20.
  • the two wheels 3 , 4 do not work at the same time.
  • the exhaust 18 comprises an exhaust pinion 21, an escapement wheel 22 coaxial and integral with the exhaust pinion 21 and an anchor 23, and the regulating member 19 comprises a balance wheel 24 and a 25.
  • the vortex cage 20 carries a second indicator or needle (not shown). By means of a differential, for example, the two wheels 3, 4 can cause the mobile carrying the hands of the hours and minutes of the movement.
  • the tourbillon cage 20 is coaxial and integral with an inner ring 26 of a bearing 27, such as a ball bearing.
  • This inner ring 26 is itself coaxial and integral with a second pinion 28 which meshes with the average wheel 8 of the first gear 3.
  • the bearing 27 also comprises an intermediate ring 29 fixed to the plate of the movement and an outer ring 30 comprising two outer teeth 31, 32.
  • the inner ring 26 and the outer ring 30 and can rotate independently of each other relative to the intermediate ring 29, coaxially with the latter.
  • the toothing 31 of the outer ring 30 meshes with the escape pinion 21.
  • the other toothing 32 of the outer ring 30 meshes with the second wheel 15 of the second wheel 4.
  • the mechanism according to the invention also comprises a stop lever 33 pivoted at a point 34 and controlled by a column wheel 35 itself controlled by a push button (not shown) accessible from outside the timepiece .
  • the stop lever 33 comprises a spout 36 which, depending on the angular position of the column wheel 35 and under the action of a return spring 37, bears against a column of the wheel 35 or falls between two columns .
  • the stop lever 33 can thus occupy two angular positions. In a first of these angular positions, the end of a blade 38 of the stop lever 33 is engaged in the toothing of the first stop star 16 to immobilize the latter and thus all the first gear 3, the second wheel 4 being free to turn. In the second angular position of the stop lever 33, a nose 39 of the stop lever 33 is engaged in the toothing of the second stop star 17 to immobilize the latter and thus all the second wheel 4, the first wheel 3 being free to turn.
  • the first gear 3 When the second gear 4 is immobilized by the action of the stop lever 33, the first gear 3, more precisely the average wheel 8, rotates the vortex cage 20 under the action of the barrel 1, and the outer ring 30 of the bearing 27 serves as a fixed second wheel with which The vortex formed by the cage 20, the exhaust 18 and the regulating member 19 then functions as a conventional vortex.
  • the tourbillon cage 20 When the first gear 3 is immobilized by the action of the stop lever 33, the tourbillon cage 20 is also immobilized, but the outer race 30 of the bearing 27 driven by the second wheel 15 under the action of the cylinder 2 serves as a second wheel driving the exhaust pinion 21 in a conventional manner, as in a movement without vortex.
  • the vortex cage 20 is stopped but the regulating member 19 continues to oscillate.
  • the user can, by means of the push button controlling the column wheel 35, operate the mechanism in two different modes, namely a first mode where the mechanism operates as a conventional movement to whirlpool, and a second mode where the mechanism functions as a classic, whirlpool-free movement.
  • a first mode where the mechanism operates as a conventional movement to whirlpool
  • a second mode where the mechanism functions as a classic, whirlpool-free movement.
  • the first case the user will be able to benefit from an accuracy of measurement of the increased time thanks to the rotation of the tourbillon.
  • the second case at the same amplitude of oscillation of the regulating organ 19 the running time will be greater.
  • the present invention is surprising since, in the second mode of operation, the regulating member 19 can be seen to oscillate while the vortex cage 20 is stationary, which does not correspond to a usual configuration.
  • a reset lever 40 pivoted at a point 41 is provided for resetting the vortex cage 20 and the second indicator that it carries.
  • the reset lever 40 comprises a spout 42 which cooperates with the column wheel 35 under the action of a return spring (not shown) acting on the lever 40.
  • the reset lever 40 comprises a blade 43 having a clearance 44 in its lower face (cf. figure 2 ), clearance in which passes the blade 38 of the stop lever 33.
  • the first gear 3 and, with it, the vortex cage 20 begin to rotate under the action of the barrel 1 until the stop 45 comes to stop against the At this moment, the vortex cage 20 is stopped in a predetermined position corresponding to the zero position of the second indicator, which allows for example a precise adjustment of the time, or even the second indicator. carried by the tourbillon cage 20.
  • a new actuation of the push button causes a displacement of the reset lever 40 and the stop lever 33 to stop the second wheel 4 and release the first wheel 3 and the vortex cage 20.
  • the user can immobilize the vortex cage 20 then reset it and restart it without the regulating member 19 stops oscillating.
  • the present invention has been described above by way of example only. It goes without saying that modifications could be made without departing from the scope of the claimed invention.
  • the barrel could be connected to the two wheels 3, 4 by means of a differential, or one of the gear wheels 3, 4 could be connected to the barrel plug and the other wheel to drum barrel .
  • Another modification could be to mount the vortex cage 20 around a shaft, rather than an inner race of a bearing as in the described embodiment.
  • the driving wheel of the exhaust pinion 21, constituted by the outer ring 30 of the bearing 27 in the described embodiment could also be mounted around a tree.
  • the vortex of the mechanism according to the invention could be adapted or associated with devices known per se, for example enabling the speed or direction of rotation of the vortex cage 20 to be changed or the vortex cage 20 to be displaced jumping.
  • the mechanism workings could be modified to control the tourbillon cage in the desired manner according to different modes of operation by stopping the cage before changing its speed, direction of rotation or type of displacement (dragging / jumping) .
  • cogs and several modes of operation
  • the vortex could be a multi-axis vortex comprising at least two cages where the drive wheel does not necessarily cause the exhaust directly.
  • the tourbillon cage 20 could act as a second counter of a chronograph mechanism of the timepiece.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Transmission Devices (AREA)

Claims (11)

  1. Uhrwerksmechanismus, umfassend:
    - mindestens eine Energiequelle (1, 2),
    - ein erstes Räderwerk (3),
    - ein zweites Räderwerk (4),
    - ein Tourbillon-Rohwerk (20), das kinematisch mit dem ersten Räderwerk (3) verbunden ist und eine Hemmung (18) und ein Regulierorgan (19) trägt, und
    - ein Antriebsdrehteil (30), das kinematisch mit dem zweiten Räderwerk (4) verbunden ist und gestaltet ist, um die Hemmung (18) direkt oder indirekt anzutreiben,
    dadurch gekennzeichnet, dass er ferner eine Auswahlvorrichtung (33, 35) umfasst, um zwischen mindestens einer ersten Funktionsweise, in der das erste Räderwerk (3) sich dreht und das zweite Räderwerk (4) angehalten ist, und einer zweiten Funktionsweise auszuwählen, in der das zweite Räderwerk (4) sich dreht und das erste Räderwerk (3) angehalten ist.
  2. Uhrwerksmechanismus nach Anspruch 1, wobei die mindestens eine Energiequelle (1, 2) eine erste und eine zweite Energiequelle umfasst, die gestaltet sind, um das erste beziehungsweise das zweite Räderwerk (3, 4) anzutreiben.
  3. Uhrwerksmechanismus nach Anspruch 1 oder 2, wobei das Antriebsdrehteil (30) koaxial zu dem Tourbillon-Rohwerk (20) ist.
  4. Uhrwerksmechanismus nach Anspruch 3, wobei das Tourbillon-Rohwerk (20) koaxial zu einem ersten Ring (26) eines Lagers (27) und fest damit verbunden ist und das Antriebsdrehteil (30) koaxial zu einem zweiten Ring (30) des Lagers (27) und fest damit verbunden oder dadurch gebildet ist.
  5. Uhrwerksmechanismus nach Anspruch 4, wobei der erste und der zweite Ring (26, 30) durch einen festen Zwischenring (29) des Lagers (27) getrennt sind, der koaxial zu dem ersten und dem zweiten Ring (26, 30) ist.
  6. Uhrwerksmechanismus nach Anspruch 4 oder 5, wobei der erste Ring (26) ein Innenring ist und der zweite Ring (30) ein Außenring ist.
  7. Uhrwerksmechanismus nach einem der Ansprüche 1 bis 6, wobei der Auswahlmechanismus (33, 35) einen Anhaltehebel (33) umfasst, der eine erste Position, in der er das erste Räderwerk (3) blockiert und dabei das zweite Räderwerk (4) sich frei drehen lässt, und eine zweite Position einnehmen kann, in der er das zweite Räderwerk (4) blockiert und dabei das erste Räderwerk (3) sich frei drehen lässt.
  8. Uhrwerksmechanismus nach Anspruch 7, wobei die Auswahlvorrichtung (33, 35) ferner ein Säulenrad (35) zum Schalten des Anhaltehebels (33) umfasst.
  9. Uhrwerksmechanismus nach einem der Ansprüche 1 bis 8, der ferner eine Vorrichtung (35, 40) zur Nullrückstellung des Tourbillon-Rohwerks (20) umfasst.
  10. Uhrwerksmechanismus nach Anspruch 9, wobei der Anhaltehebel (33) eine Klinge (38) umfasst, die in der ersten Position des Anhaltehebels (33) in der Zahnung eines Sterns oder eines Rades (16) in Eingriff ist, der(das) kinematisch mit dem ersten Räderwerk (3) verbunden ist, und die Nullstellungsvorrichtung (35, 40) einen Nullstellungshebel (40) umfasst, der gestaltet ist, um die Klinge (38) zu verformen, damit sie aus der Zahnung austritt, um den Weg eines Anschlags (45), der durch den Stern oder das Rad (16) getragen wird, zu unterbrechen.
  11. Uhrwerksmechanismus nach Anspruch 10, wobei der Nullstellungshebel (40) durch das Säulenrad (35) geschaltet wird.
EP17150327.9A 2016-01-13 2017-01-05 Uhrwerksmechanismus mit tourbillon Active EP3193216B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00044/16A CH712031A1 (fr) 2016-01-13 2016-01-13 Mécanisme horloger à tourbillon.

Publications (2)

Publication Number Publication Date
EP3193216A1 EP3193216A1 (de) 2017-07-19
EP3193216B1 true EP3193216B1 (de) 2019-09-25

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Application Number Title Priority Date Filing Date
EP17150327.9A Active EP3193216B1 (de) 2016-01-13 2017-01-05 Uhrwerksmechanismus mit tourbillon

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EP (1) EP3193216B1 (de)
CN (1) CN106970513B (de)
CH (1) CH712031A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4068010A1 (de) * 2021-03-29 2022-10-05 Montres Breguet S.A. Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3588200B1 (de) 2018-06-29 2021-10-06 Glashütter Uhrenbetrieb GmbH Tourbillion mit nullpunktrückstellungmechanismus
EP3599515B1 (de) 2018-07-24 2022-07-06 Harry Winston SA Antriebsmechanismus für uhrwerk
EP3770693B1 (de) * 2019-07-23 2022-08-31 Omega SA Anschlagmechanismus für uhrenkäfig mit anschlagrad
EP3770696B1 (de) * 2019-07-23 2021-12-01 Omega SA Anschlagkäfig für uhr mit aufzugstift und anschlagstift

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
ATE467156T1 (de) * 2005-03-23 2010-05-15 Bnb Concept Sa Uhrwerk
ATE498860T1 (de) * 2008-12-01 2011-03-15 Swatch Group Res & Dev Ltd Uhrwerk, das mit einem vibrationswecker ausgestattet ist
CH703330B1 (fr) * 2010-06-17 2014-12-31 Blancpain Sa Mécanisme d'avance par saut périodique d'une cage de carrousel.
EP2787400B1 (de) * 2013-04-03 2016-08-03 Chopard Technologies SA Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus
EP2874020B1 (de) * 2013-11-15 2016-10-26 Rolex Sa Reguliersystem für Uhrwerk
JP6347439B2 (ja) * 2014-03-06 2018-06-27 セイコーインスツル株式会社 脱進機、時計用ムーブメントおよび時計

Non-Patent Citations (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4068010A1 (de) * 2021-03-29 2022-10-05 Montres Breguet S.A. Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung

Also Published As

Publication number Publication date
CN106970513A (zh) 2017-07-21
CN106970513B (zh) 2020-06-02
CH712031A1 (fr) 2017-07-14
EP3193216A1 (de) 2017-07-19

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