EP3052993B1 - Uhrwerk und uhr mit solch einem uhrwerk - Google Patents

Uhrwerk und uhr mit solch einem uhrwerk Download PDF

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Publication number
EP3052993B1
EP3052993B1 EP14765905.6A EP14765905A EP3052993B1 EP 3052993 B1 EP3052993 B1 EP 3052993B1 EP 14765905 A EP14765905 A EP 14765905A EP 3052993 B1 EP3052993 B1 EP 3052993B1
Authority
EP
European Patent Office
Prior art keywords
wheel
differential gear
spring
organ
escapement
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
EP14765905.6A
Other languages
English (en)
French (fr)
Other versions
EP3052993A1 (de
Inventor
Dylan ROTH
Stephen Forsey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GFPI SA
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GFPI SA
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Publication date
Application filed by GFPI SA filed Critical GFPI SA
Publication of EP3052993A1 publication Critical patent/EP3052993A1/de
Application granted granted 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
    • 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
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • G04B13/008—Differentials
    • 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
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B1/22—Compensation of changes in the motive power of the mainspring
    • G04B1/225—Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
    • 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
    • G04B13/028—Wheels; Pinions; Spindles; Pivots wheels in which the teeth are conic, contrate, etc; also column wheels 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • 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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton

Definitions

  • the present invention also relates to a timepiece comprising such a movement.
  • An object of the present invention is therefore to overcome this disadvantage, by providing a clockwork to provide immediately to each of the two regulating organs energy that is necessary without disturbing the other regulating organ.
  • the spring members make it possible to immediately supply each of the two regulating members the necessary energy without disturbing the other regulating organ by eliminating the losses or surplus energy due to the differential gears known from the prior art.
  • the differential gear may comprise a first transmission wheel and a first output wheel rotatably mounted and kinematically connected to the first assembly, said first spring member having a first end connected to said first output wheel and a second end. connected to said first transmission wheel.
  • the differential gear may comprise a second transmission wheel and a second output wheel rotatably mounted and kinematically connected to the second assembly, said second spring member having a first end connected to said second output wheel and a second end. connected to said second transmission wheel.
  • the first resetting means of the first spring member may comprise a first drive means of the first output wheel, said first drive means being integral with the first transmission wheel.
  • the second resetting means of the second spring member may comprise a second drive means of the second output wheel, said second drive means being integral with the second transmission wheel.
  • the differential gear may comprise an input wheel kinematically connected to the power source.
  • the input wheel may carry at least one pinion-satellite arranged to cooperate with each of the first and second transmission wheels.
  • each of the first and second spring members may be a spiral spring.
  • the present invention also relates to a timepiece comprising a movement as defined above.
  • the regulating members 2 and 10 are simple pendulums, but it is obvious that they can also be whirlpools or carousels.
  • the first and second exhausts shown are Swiss-anchored but they could be of another type, such as escapements or relaxation other known exhaust types.
  • the components of the differential gear are pivotally mounted around a shaft 20 integral with the movement frame.
  • the differential gear 18 comprises an input wheel 22 pivotally mounted around the shaft 20 and having an external toothing meshing with a gear 24 meshing itself with the energy source 1. It is obvious that the mechanism can comprise other mobiles than the return 24 between the differential gear 18 and the energy source 1.
  • the input wheel 22 is integral with a planet carrier 26 which comprises shafts 28 perpendicular to the shaft 20 and on each of which is pivotally mounted a planet gear 30.
  • the planet gears 30 are with conical teeth.
  • the differential gear 18 also includes a first transmission wheel 32 and a second transmission wheel 34, respectively pivotally mounted about the shaft 20 by means of a barrel 33 and 35 respectively.
  • Each of the first and second transmission wheels 32, 34 has a conical toothing arranged on either side of the planet gears 30.
  • the conical teeth of the first and second transmission wheels 32, 34 are chosen so that they mesh with the conical teeth of the planet gears 30.
  • the first and second transmission wheels 32, 34 shown here are in the form of a bell-wheel, but it is obvious that any transmission wheel of a flat differential may be suitable.
  • the shape of the gears of the planet gears and the teeth of the transmission wheels are adapted to the construction of the differential. In particular, the teeth can be straight.
  • the differential gear 18 also comprises a first output wheel 36 and a second output wheel 38, respectively rotatably mounted around the shaft 20, and disposed outside the first and second transmission wheels 32, 34 respectively .
  • the first output wheel 36 has an external toothing meshing with the first gear 8 and the second output wheel 38 has an external toothing meshing with the second gear 16.
  • a first pin 40 is driven into the first transmission wheel 32 and inserted with play into a hole provided in the first output wheel 36.
  • a second pin 42 is driven into the second transmission wheel 34 and inserted with play in a hole provided in the second output wheel 38. The role of these pins 40, 42 will be described below.
  • the first spring member 44 is placed outside the first output wheel 36, opposite the first transmission wheel 32, concentrically to the shaft 20. It has a first end 48 integral with the first output wheel 36 by means of a pin 50 and a second end 52 secured to the barrel 33 of the first transmission wheel 32.
  • the second spring member 46 is placed outside the second output wheel 38, opposite the second transmission wheel 34, concentrically to the shaft 20. It has a first end 54 integral with the second output wheel 38 by means of a pin 56 and a second end 58 secured to the barrel 35 of the second transmission wheel 34.
  • Pre-arming of the first and second spring members may be provided during movement construction.
  • first spring member 44 can be placed inside the first output wheel 36, the same side as the first transmission wheel 32, and the second spring member 46 can be placed inside the second output wheel 38 on the same side as the second transmission wheel 34.
  • the spring members 44 and 46 are spiral springs.
  • the spring members or elastic members may be of any type of shape (coil, spiral, leaf spring, etc.), and any material, the shape and the material being chosen so that said springs or elastic members can store and to restore energy.
  • the driving force arriving from the energy source 1 enters the differential gear 18 by the gearbox 24, the input wheel 22 and the planet carrier 26 which carries the planet gears 30.
  • the associated output wheels 36 and 38 respectively transmit a torque to their associated gear train 8 and 16 respectively.
  • the spring members 44 and 46 are pre-armed on their associated output wheel 36 and 38 respectively, the latter will turn as soon as they have the possibility.
  • the output wheels 36 and 38 will set in motion before the transmission wheels 32 and 34. In fact, the output wheels 36 and 38 are closer to the exhausts 4 and 12 than the transmission wheels 32 and 34. Thus, the force path to be traveled is less important to reach the output wheels 36 and 38, they have a reaction time faster than the transmission wheels 32 and 34.
  • This mechanism makes it possible to transmit to the output wheels 36 and 38 forces that come exclusively from their respective spring members 44 and 46. This transmission also occurs when the pulses of the regulating members 2 and 10 are simultaneous.
  • each regulating organ 2 and 10 instantaneously receives the energy it needs without disturbing the other.
  • all the undesirable effects encountered with the differential gears known from the prior art are eliminated, even when the pulses are simultaneous.
  • the first and second transmission wheels 32, 34 In order to allow the rearming of their associated spring member 44, 46, the first and second transmission wheels 32, 34, driven by the energy source 1, will catch their respective offsets relative to the associated output wheels 36, 38. Thus, the initial torque of the spring members 44 and 46 will be restored.
  • the pins 40, 42 serve as a stop for the transmission wheels 32 and 34 in the output wheels 36, 38 when they catch their offsets, to always rearm the associated spring member 44, 46 with the same torque.
  • the cycle can then resume.
  • the watch movement may comprise several successive differential gears, placed between a main differential gear, located closest to the energy source, and the exhaust of the first and / or second set.
  • the first spring member provided between the main differential gear and the first escapement may be more specifically disposed between the output of the main differential gear and the input of the next cooperating element, namely a second differential gear.
  • the second spring member provided between the main differential gear and the second escapement may be more specifically disposed between the output of the main differential gear and the input of the next cooperating element, namely a third differential gear.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Retarders (AREA)
  • Gears, Cams (AREA)

Claims (9)

  1. Uhrwerk, umfassend:
    - eine mechanische Energiequelle (1),
    - ein erstes Regulierorgan (2) und eine erste Hemmung (4), die durch ein erstes Räderwerk (8) mit der Energiequelle (1) verbunden sind, wobei das erste Räderwerk (8), die erste Hemmung (4) und das erste Regulierorgan (2) eine erste Einheit definieren,
    - ein zweites Regulierorgan (10) und eine zweite Hemmung (12), die durch ein zweites Räderwerk (16) mit der Energiequelle (1) verbunden sind, wobei das zweite Räderwerk (16), die zweite Hemmung (12) und das zweite Regulierorgan (10) eine zweite Einheit definieren,
    - mindestens ein Differentialgetriebe (18), das ausgebildet ist, um eine kinematische Verbindung zwischen der ersten Einheit und der Energiequelle (1) zum einen und zwischen der zweiten Einheit und der Energiequelle (1) zum anderen zu sichern,
    dadurch gekennzeichnet, dass das Uhrwerk ferner aufweist:
    - ein erstes Federorgan (44) zwischen dem Differentialgetriebe (18) und der ersten Hemmung (4) und ausgebildet, um ein Koppel auf einen ersten Ausgang des Differentialgetriebes (18) auszuüben,
    - erste Aufzugsmittel des ersten Federorgans (44),
    - ein zweites Federorgan (46) zwischen dem Differentialgetriebe (18) und der zweiten Hemmung (12) und ausgebildet, um ein Koppel auf einen zweiten Ausgang des Differentialgetriebes (18) auszuüben, und
    - zweite Aufzugsmittel des zweiten Federorgans (10).
  2. Uhrwerk nach Anspruch 1, dadurch gekennzeichnet, dass das Differentialgetriebe (18) ein erstes Übertragungsrad (32) und ein erstes Ausgangsrad (36) umfasst, das frei rotierend montiert ist und kinematisch mit der ersten Einheit verbunden ist, und dass das erste Federorgan (44) ein erstes Ende (48) aufweist, das mit dem ersten Ausgangsrad (36) verbunden ist und ein zweites Ende (52), das mit dem ersten Übertragungsrad (32) verbunden ist.
  3. Uhrwerk nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Differentialgetriebe (18) ein zweites Übertragungsrad (34) und ein zweites Ausgangsrad (38) umfasst, das frei rotierend montiert ist und kinematisch mit der zweiten Einheit verbunden ist, und dass das zweite Federorgan (46) ein erstes Ende (54) aufweist, das mit dem zweiten Ausgangsrad (38) verbunden ist und ein zweites Ende (58), das mit dem zweiten Übertragungsrad (34) verbunden ist.
  4. Uhrwerk nach Anspruch 2, dadurch gekennzeichnet, dass die ersten Aufzugsmittel des ersten Federorgans (44) ein erstes Antriebsmittel (40) des ersten Ausgangsrads (36) umfassen, das mit dem ersten Übertragungsrad (32) fest verbunden ist.
  5. Uhrwerk nach Anspruch 3, dadurch gekennzeichnet, dass die zweiten Aufzugsmittel des zweiten Federorgans (46) ein zweites Antriebsmittel (42) des zweiten Ausgangsrads (38) umfassen, das mit dem zweiten Übertragungsrad (34) fest verbunden ist.
  6. Uhrwerk nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Differentialgetriebe (18) ein Eingangsrad (22) umfasst, das mit der Energiequelle (1) kinematisch verbunden ist.
  7. Uhrwerk nach den Ansprüchen 2, 3 und 6, dadurch gekennzeichnet, dass das Eingangsrad (22) mindestens einen Satellitentrieb (30) trägt, der ausgebildet ist, um mit jedem von dem ersten und zweiten Übertragungsrad (32, 34) zusammenzuwirken.
  8. Uhrwerk nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jedes von dem ersten und zweiten Federorgan (44, 46) eine Spiralfeder ist.
  9. Uhr, aufweisend ein Uhrwerk nach einem der Ansprüche 1 bis 8.
EP14765905.6A 2013-10-03 2014-09-08 Uhrwerk und uhr mit solch einem uhrwerk Active EP3052993B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01697/13A CH708658A1 (fr) 2013-10-03 2013-10-03 Mouvement d'horlogerie comprenant un engrenage différentiel entre organes réglants.
PCT/EP2014/069053 WO2015049090A1 (fr) 2013-10-03 2014-09-08 Mouvement d'horlogerie et piece comprenant un tel mouvement

Publications (2)

Publication Number Publication Date
EP3052993A1 EP3052993A1 (de) 2016-08-10
EP3052993B1 true EP3052993B1 (de) 2017-07-05

Family

ID=49322110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14765905.6A Active EP3052993B1 (de) 2013-10-03 2014-09-08 Uhrwerk und uhr mit solch einem uhrwerk

Country Status (5)

Country Link
US (1) US9588492B2 (de)
EP (1) EP3052993B1 (de)
CN (1) CN105765465B (de)
CH (1) CH708658A1 (de)
WO (1) WO2015049090A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709394A1 (fr) * 2014-03-21 2015-09-30 Gfpi S A Mouvement d'horlogerie.
CN106537264B (zh) * 2014-09-09 2019-03-15 Eta瑞士钟表制造股份有限公司 钟表调节机构、钟表机芯以及钟表
CH712100A2 (fr) 2016-02-08 2017-08-15 Hepta Swiss Sa Mouvement d'horlogerie comportant deux balanciers.
EP3339974A1 (de) * 2016-12-22 2018-06-27 Montres Breguet S.A. Spielnachstellungsmechanismus zwischen einer ersten kinematischen kette und einer zweiten kinematischen kette eines uhrmechanismus
EP3382468B1 (de) * 2017-03-30 2020-01-15 The Swatch Group Research and Development Ltd Uhrwerk mit verlängerung der gangreserve
JP6847758B2 (ja) * 2017-05-09 2021-03-24 セイコーインスツル株式会社 ムーブメント及び時計
JP6847757B2 (ja) * 2017-05-09 2021-03-24 セイコーインスツル株式会社 ムーブメント及び時計
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
EP3599515B1 (de) * 2018-07-24 2022-07-06 Harry Winston SA Antriebsmechanismus für uhrwerk
FR3107603B1 (fr) * 2020-02-26 2022-01-21 Vianney Halter « Tourbillon à deux oscillateurs dans une cage »
EP4270115B1 (de) 2022-04-29 2024-11-27 Glashütter Uhrenbetrieb GmbH Umschaltbarer anzeigemechanismus für uhr
EP4270116B1 (de) 2022-04-29 2025-02-12 Glashütter Uhrenbetrieb GmbH Umschaltbarer anzeigemechanismus für uhr
CH721944A1 (fr) 2024-06-28 2026-01-15 Candaux Sa Organe de transmission d'énergie entre deux organes réglants et mouvement horloger ainsi équipé

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ATE406603T1 (de) * 2004-07-08 2008-09-15 Audemars Piguet Renaud Et Papi Korrekturmechanismus von einem teller einer regulierungsvorrichtung für ein uhruh-spiralfeder
CH698622B1 (fr) * 2004-12-21 2009-09-15 Gfpi S A Mouvement de pièce d'horlogerie comportant un différentiel et deux échappements.
EP1864190B1 (de) * 2005-03-23 2010-05-05 Bnb Concept Sa Uhrwerk
DE602005021748D1 (de) * 2005-03-30 2010-07-22 Montres Breguet Sa Uhr mit mindenstens zwei Reguliersystemen
CH700459A2 (fr) * 2009-02-24 2010-08-31 Montres Breguet Sa Pièce d'horlogerie comportant un chronographe et une montre.
CH704063B1 (fr) * 2010-11-09 2013-07-31 Complitime Sa Pièce d'horlogerie
EP2570870B1 (de) * 2011-09-15 2016-04-06 The Swatch Group Research and Development Ltd. Uhr mit permanent gekoppelten Oszillatoren

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
US20160231708A1 (en) 2016-08-11
WO2015049090A1 (fr) 2015-04-09
CH708658A1 (fr) 2015-04-15
EP3052993A1 (de) 2016-08-10
US9588492B2 (en) 2017-03-07
CN105765465A (zh) 2016-07-13
CN105765465B (zh) 2017-09-15

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