EP1738230B1 - Uhr mit mindestens zwei tourbillons - Google Patents

Uhr mit mindestens zwei tourbillons Download PDF

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Publication number
EP1738230B1
EP1738230B1 EP05739388A EP05739388A EP1738230B1 EP 1738230 B1 EP1738230 B1 EP 1738230B1 EP 05739388 A EP05739388 A EP 05739388A EP 05739388 A EP05739388 A EP 05739388A EP 1738230 B1 EP1738230 B1 EP 1738230B1
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EP
European Patent Office
Prior art keywords
watch
watch according
tourbillons
rotating support
support
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
EP05739388A
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English (en)
French (fr)
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EP1738230A1 (de
Inventor
Jean-François RUCHONNET
Alain Zaugg
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.)
Montres Breguet SA
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Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Publication of EP1738230A1 publication Critical patent/EP1738230A1/de
Application granted granted Critical
Publication of EP1738230B1 publication Critical patent/EP1738230B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to a mechanical movement watch and its object is the reduction of the gait deviations which result from the effects produced by the gravity on the regulating organs of the watch, because of the inevitable defects of balance of these organs, and of the variation of these effects in the different positions that the wearer imposes on his watch.
  • the tourbillon invented two centuries ago by Abraham-Louis Breguet is a device that leads to such a reduction.
  • the oscillator and the escapement are mounted in a cage which rotates about an axis parallel to the axis of the balance-spring assembly, the component of the gravity which is exerted in the plane perpendicular to these axes effects by relative to these bodies a continuous rotation, so that each tower of the cage leads to a compensation of the effects of the imbalances in this plane and thus improves the regularity of operation of the watch to wear, especially when the watch is in a vertical or inclined position .
  • vortex both devices in which the axis of the balance coincides with the axis of rotation of the cage (for example according to Breguet or according to the patent CH 262 017 ) and devices often called “carousels", where these axes are distinct (see for example patents CH 30 754 , CH 256 590 and EP 846 987 ).
  • the patent FR 2 784 203 presents yet another way of reinforcing the compensation produced by the vortex.
  • This one the barrel which drives it and the gear linking these two elements are mounted on a turntable making a turn by hour, whose axis of rotation is parallel to that of the vortex.
  • This arrangement forms a kind of swirl on a carousel, the vortex revolving around the center of the turntable.
  • the basic idea of the present invention is to reduce the gait of a tourbillon watch in a different way than what has just been mentioned and in particular to avoid an excessive thickness of the movement and therefore of the watch.
  • An additional goal is to create a watch with a new look, highlighting the high technicality of its movement.
  • the invention relates to a mechanical movement watch comprising at least two vortices which are mounted on a common rotating support and are coupled by gear trains to the same median element.
  • the vortices being mounted between a turntable and a bar which are part of the rotating support, the latter being driven by a source of mechanical energy and connected to an analog time display device.
  • said median element is formed by a differential gear, which can be centered on the axis of rotation of the rotating support, but other coupling modes of the two vortices can be envisaged.
  • the present invention reduces the differences in walking by using a time base whose frequency is the average of those of two swirls mounted on a common support.
  • the fact that the common carrier carrying the two vortices is a turntable adds the compensatory effects provided in the patent FR 2 784 203 to further improve the smooth running of the watch.
  • the axes of the two vortices can be parallel and the two pendulums can be in the same plane, so that the thickness of the movement can be comparable to that of a classic tourbillon movement.
  • the energy required for the regulating system comprising the two vortices is provided by two barrels B1 and B2 operating in parallel, but one could also consider using barrels coupled in series or a single large barrel.
  • the energy passes through a display train A and a differential gear D which distributes it between two vortices T1 and T2.
  • their respective rotational speeds are averaged by the differential D, so that the display A rotates at a steady speed by compensating for the deviations one vortex relative to the other.
  • FIGS 3 to 5 represent a preferred embodiment of the invention, operating according to the scheme of the figure 2 and wherein the differential D and vortices T1 and T2 are mounted on a rotating support.
  • the movement of the watch comprises a fixed plate 10 to be mounted in a not shown box.
  • the top we will designate here the top as the side of the watch where the time is displayed. It is on this side that are also the two vortices 11 and 12, which are identical in this example.
  • Two spring barrels 13, only one of which is visible in the figure 4 are mounted under the plate 10 by means of a barrel bridge 15 and both drive the same clock gear 16, each via a return wheel 17.
  • the pinion 16 is engaged with a wheel hours 18 and as usual, it carries a wheel 19 meshing with a pinion of minutes 20 to turn it twelve times faster than the hour wheel 18.
  • the winding barrels is not shown here, but a A person skilled in the art will understand that he can use a gear that meshes with the two ratchets mounted on the barrel shafts, since the two barrels acting in parallel always have the same armor.
  • the two vortices 11 and 12 are mounted on a rotatable support 21 comprising a turntable 22, a central bridge 23 and an upper bar 24, one pointed end 25 of which constitutes the watch hour hand, moving opposite a turn of hours located on an annular dial 26.
  • the other end of the bar 24 is provided with an annular portion bearing a graduation of seconds 28.
  • the cage of each vortex 11, 12 has an upper pivot which is mounted in a bearing 29, 30 of the bar 24.
  • the pivot of the second vortex 12 further carries a seconds hand 31 which rotates opposite the graduation 28 each whirlwind doing here as usual a complete revolution per minute on the rotating support 21. The latter makes a turn in twelve hours, which allows him to fix the hour hand 25.
  • each vortex 11, 12 is mounted in the turntable 22 by a respective bearing not referenced and comprises a drive gear 33, 34 integral with the cage.
  • This pinion plays the role of the pinion seconds of a classic movement.
  • Each pinion 33, 34 is engaged with a finishing train comprising a moving average 34, 36 and a mobile of medium 37, 38 whose pinion 39, 40 receives the torque for driving the respective oscillator.
  • each pinion 39, 40 moving with the rotation of the turntable 22, rolls on a central gear of the differential gear D centered on the axis of rotation 44 of the plate 22.
  • the turntable 22 is supported on the fixed plate 10 by a single bearing formed by a large ball bearing 46, the inner ring is clamped between the plate 22 and the hour wheel 18 by screws 47.
  • the total torque of the two barrels 13 and 14 acting on the elements 16 and 18 rotates the plate 22 carrying the two vortices 11 and 12 and their respective second wheels 49 and 50, which are fixed on the plate 22.
  • This is the revolution of the axes of rotation 51 and 52 of the two vortices around the central axis 44 which rotates the mobiles 35 to 38 of the two work-trains by rolling them on the middle element formed by the differential gear, thus causing the rotation of each vortex around of its own axis.
  • the differential gearing D is here of the epicyclic type, with for example three double satellites 54 mounted on a planet carrier 55 whose external toothing meshes with the pinion 40 of the finishing gear of the second vortex 12.
  • a first toothing 56 of the The satellite meshes with an external toothing 57 of a stationary gun 58 which constitutes the support element, normally fixed, of the differential gear.
  • the barrel 58 can pivot about the central axis 44 for setting the time of the watch, as will be described later, and that is why it is rotatably mounted by a lower ball bearing 60 in a fixed bridge and an upper ball bearing 61 in the bridge 23, and it is provided with a setting pinion 62 below the fixed plate 10.
  • the third central element of the differential gearing D is an output wheel 63 having an external toothing which meshes with the pinion 39 of the finishing gear of the first vortex 11.
  • the outside diameter of the wheel 63 is the same. That of the planet carrier 55.
  • the wheel 63 is rotatably mounted on the barrel 58 and has a pinion 64 which meshes with the second toothing 65 of each satellite.
  • the teeth 56 and 65 of the satellites and the corresponding teeth of the elements 58 and 63 are such that the elements 55 and 63 can rotate at equal speeds, but opposite, when the barrel 58 is stationary.
  • the differential gearing D has the effect of averaging these two speeds in the speed of revolution of the platinum 22 bearing the bearings of the workings gears and vortices. This is how we get a smoothness that is better than that of each vortex.
  • a time-setting train 74 comprising a wheel 75 which meshes with the time setting gear 62 represented in FIG. figure 4 .
  • This wheel located under the fixed plate 10 can be actuated in the usual manner by a control rod 73 ( figure 3 ) with a crown on the outside of the watch.
  • This rod actuates a return wheel 76 meshing with the wheel 77 of a mobile 78 whose pinion 79 rotates the wheel 75.
  • the mobile 78 is immobilized on the plate 10 by a friction device whose limiting torque can be relatively low, while ensuring a high retaining torque on the barrel 58 through the multiplication of torque between the mobile 78 and the wheel 62.
  • one or each of the vortices T1, T2 appearing in the figure 2 can be a tourbillon with several axes of rotation, in particular of one of the types mentioned in the introduction.
  • a person skilled in the art can also design a movement with more than two swirls by applying the principles of the present invention, since a suitable differential gear can couple more than two swirls mounted on the rotating support, so as to average their speeds on the display of the watch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Magnetic Treatment Devices (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicinal Preparation (AREA)

Claims (9)

  1. Uhr mit mechanischem Uhrwerk, enthaltend zumindest zwei Tourbillons (11, 12), die an einem gemeinsamen drehbaren Träger (21) montiert und über Räder mit einem gleichen Mittelteil (D) gekoppelt sind, wobei die Tourbillons zwischen einer drehbare Platine (22) und einem Steg (24) gelagert sind, die zu dem drehbaren Träger (21) gehören, der über eine mechanische Energiequelle (13) angetrieben wird und mit einer analogen Zeitanzeigevorrichtung verbunden ist.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass der drehbare Träger (21) zwei Umdrehungen pro Tag ausführt und einen Stundenzeiger (25) trägt.
  3. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass ein am drehbaren Träger (21) befestigtes Stundenrad (18) einen Minutenzeiger (71) über ein Wechselrad (16, 19, 20) antreibt, auf welches die mechanische Energiequelle einwirkt.
  4. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass der Stundenzeiger aus dem Steg (24) gebildet ist, der mit Lagern (29,30) versehen ist, um die oberen Drehzapfen der Tourbillons abzustützen, und einen ringförmigen Abschnitt enthält, der mit einer Sekundeneinteilung (28) über einem der Tourbillons versehen ist, das einen Sekundenzeiger (31) trägt.
  5. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Mittelteil aus einem Ausgleichsgetriebe (D) gebildet ist.
  6. Uhr nach Anspruch 5, dadurch gekennzeichnet, dass das Ausgleichsgetriebe auf die Drehachse (44) des drehbaren Trägers zentriert ist und ein Abstützteil (58, 63) enthält, das drehbar gelagert ist und von einer Reibvorrichtung festgestellt wird.
  7. Uhr nach Anspruch 6, dadurch gekennzeichnet, dass die Reibvorrichtung in einem Zeigerstellrad (74) angeordnet ist, das auf das Abstützteil (58, 63) einwirkt, so dass das von dieser Vorrichtung erzeugte Reibmoment von dem Zeigerstellrad multipliziert wird, um auf das Abstützteil einzuwirken.
  8. Uhr nach Anspruch 6, dadurch gekennzeichnet, dass die jeweiligen Antriebsritzel (33, 34) der Tourbillons jeweils über ein Räderwerk mit einem jeweiligen Rad (63, 55) des Ausgleichsgetriebes verbunden sind.
  9. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass die Tourbillons in einer Anzahl von zwei vorliegen und identisch sind.
EP05739388A 2004-04-15 2005-04-13 Uhr mit mindestens zwei tourbillons Active EP1738230B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6432004 2004-04-15
PCT/EP2005/003892 WO2005111742A1 (fr) 2004-04-15 2005-04-13 Montre comportant au moins deux tourbillons

Publications (2)

Publication Number Publication Date
EP1738230A1 EP1738230A1 (de) 2007-01-03
EP1738230B1 true EP1738230B1 (de) 2009-04-08

Family

ID=34966645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739388A Active EP1738230B1 (de) 2004-04-15 2005-04-13 Uhr mit mindestens zwei tourbillons

Country Status (7)

Country Link
US (1) US7527423B2 (de)
EP (1) EP1738230B1 (de)
JP (1) JP4555336B2 (de)
CN (1) CN100538556C (de)
AT (1) ATE428130T1 (de)
DE (1) DE602005013758D1 (de)
WO (1) WO2005111742A1 (de)

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USD762127S1 (en) * 2015-05-06 2016-07-26 Ralph Lauren Watch & Jewelry Company SARL Watch
USD762134S1 (en) * 2015-05-06 2016-07-26 Ralph Lauren Watch And Jewelry Company Sarl Watch dial
CN106292243B (zh) * 2015-06-11 2017-12-22 天津海鸥表业集团有限公司 一种机械手表的悬浮式陀飞轮结构
CH711790B1 (fr) * 2015-11-17 2021-03-31 Complitime Sa Mouvement d'horlogerie.
USD820138S1 (en) * 2016-12-15 2018-06-12 Montblanc-Simplo Gmbh Watch dial
EP3382468B1 (de) 2017-03-30 2020-01-15 The Swatch Group Research and Development Ltd Uhrwerk mit verlängerung der gangreserve
CN108732905B (zh) * 2017-04-25 2023-12-01 天津海鸥表业集团有限公司 可变换陀飞轮位置的机械手表机芯的设计方法及手表机芯
USD833902S1 (en) 2017-09-21 2018-11-20 Jeffrey J. Kostrzewsky Clock hands
EP3561610B1 (de) * 2018-04-27 2021-08-04 Montres Jaquet Droz SA Animationsmechanismus eines schmuckelements für eine uhr
EP3599516B1 (de) * 2018-07-24 2024-04-03 Harry Winston SA Retrogrades tourbillon oder karussell eines uhrwerks
EP3599517B1 (de) * 2018-07-24 2021-03-10 Harry Winston SA Retrogrades tourbillon oder karussell eines uhrwerks
EP3770693B1 (de) 2019-07-23 2022-08-31 Omega SA Anschlagmechanismus für uhrenkäfig mit anschlagrad
EP3770694B1 (de) * 2019-07-23 2021-12-08 Omega SA Anschlagkäfig für uhr mit zwei elastischen anschlagelementen
FR3107603B1 (fr) * 2020-02-26 2022-01-21 Vianney Halter « Tourbillon à deux oscillateurs dans une cage »
EP4266131A1 (de) * 2022-04-22 2023-10-25 Blancpain SA Dreidimensionales karussell für uhrwerk

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Also Published As

Publication number Publication date
ATE428130T1 (de) 2009-04-15
CN1950759A (zh) 2007-04-18
US7527423B2 (en) 2009-05-05
EP1738230A1 (de) 2007-01-03
CN100538556C (zh) 2009-09-09
US20080144447A1 (en) 2008-06-19
WO2005111742A8 (fr) 2006-11-30
WO2005111742A1 (fr) 2005-11-24
DE602005013758D1 (de) 2009-05-20
JP4555336B2 (ja) 2010-09-29
JP2007532895A (ja) 2007-11-15

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