EP3382468B1 - Uhrwerk mit verlängerung der gangreserve - Google Patents

Uhrwerk mit verlängerung der gangreserve Download PDF

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Publication number
EP3382468B1
EP3382468B1 EP17163951.1A EP17163951A EP3382468B1 EP 3382468 B1 EP3382468 B1 EP 3382468B1 EP 17163951 A EP17163951 A EP 17163951A EP 3382468 B1 EP3382468 B1 EP 3382468B1
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EP
European Patent Office
Prior art keywords
regulating member
train
timepiece movement
lever
regulating
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
EP17163951.1A
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English (en)
French (fr)
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EP3382468A1 (de
Inventor
Paulo Bravo
Jean-Luc Bazin
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.)
Swatch Group Research and Development SA
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Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP17163951.1A priority Critical patent/EP3382468B1/de
Priority to US15/887,375 priority patent/US10514659B2/en
Priority to JP2018023775A priority patent/JP6499780B2/ja
Priority to KR1020180035370A priority patent/KR102092553B1/ko
Priority to CN201810272057.5A priority patent/CN108693758B/zh
Publication of EP3382468A1 publication Critical patent/EP3382468A1/de
Priority to US16/707,796 priority patent/US10816934B2/en
Application granted granted Critical
Publication of EP3382468B1 publication Critical patent/EP3382468B1/de
Priority to KR1020200032760A priority patent/KR102260932B1/ko
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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • G04B1/145—Composition and manufacture of the springs
    • 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
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • 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
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically

Definitions

  • the invention relates to a timepiece movement comprising a device for extending the power reserve, so as to limit the energy consumption of the movement when the watch is not worn or in the rest position.
  • the invention relates to a timepiece movement comprising two regulating members.
  • the power source to drive the cog and the hands, and other functions is a spiral spring wound in a barrel.
  • EP 2,455,820 proposes the use of a drive member comprising a barrel in which are mounted two superposed and coaxial springs.
  • the document CH 697 074 discloses two regulating systems, each with its own barrel and a differential which puts them in cooperation and which results in a time display.
  • the invention particularly aims to overcome the various drawbacks of these known techniques.
  • an objective of the invention is to provide a movement for a timepiece making it possible to obtain a better power reserve by limiting the energy consumption of the movement when it is not worn or in the rest position.
  • the invention also aims, at least in a particular embodiment, to avoid excessive thickness of the movement and therefore of the watch.
  • the object of the present invention by its different functional and structural aspects, makes it possible to obtain a movement with an increased power reserve.
  • the invention also relates to a timepiece equipped with a movement according to the invention.
  • a timepiece movement in accordance with the invention will now be described in the following, referring jointly to the figures 1 , 2a , 2b , 3a , 3b , 4a , 4b , 5a , 5b , 6a , 6b , 7a, 7b and 7c .
  • the movement according to the invention comprises a first regulating member and a first escapement connected by a first train to a first energy source, the first train, the first escapement, the first regulating member and the first energy source defining a first together, a second regulating member and a second exhaust connected by a second gear to a second energy source, the second gear, the second exhaust, the second regulating member and the second energy source defining a second set, at least one differential gear arranged to ensure a kinematic connection between the first set, respectively the second set and means for displaying the current time.
  • the watch movement includes means for stopping and releasing the operation of one of the two regulating members, and the differential gear carries the time display means for displaying the time regardless of the regulating member. working.
  • the regulating members can be chosen from a conventional balance, a carousel, a tourbillon, a resonator (of the tuning fork type or with magnetic rotor for example), a motor balance or even a quartz oscillator.
  • a movement according to the invention comprising at least two regulating members each provided with an escapement, and this by way of simple illustrative and nonlimiting example.
  • any type of regulating member can be used and a tourbillon / quartz oscillator association can for example be envisaged.
  • the regulating members 2 and 3 are respectively a vortex and a simple balance spring, but those skilled in the art could obviously use two simple balance springs, two vortices, two carousels, or even a of each.
  • the first and second escapements shown are Swiss anchors but they could be of another type, such as detent escapements or other known types of exhaust.
  • the regulating members 2 and 3 can be a conventional balance spring associated with a quartz oscillator, or a carousel associated with a resonator, or a vortex associated with a quartz oscillator, or any other combination imaginable by those skilled in the art of two of the regulating organs mentioned.
  • the first regulating member 2 used is a tourbillon
  • the second regulating member 3 is a simple low-consumption balance wheel such as a 1 Hz balance wheel.
  • the differential gear 4 comprises a shaft 40 carrying the time display means 6 at a first end of the shaft 40 and comprises a planet carrier 42 near the other end of the shaft 40.
  • the satellite carrier 42 is integral with the shaft 40.
  • the movement can include several mobiles between the differential gear 18 and the energy source 1.
  • the satellite carrier 42 comprises a satellite carrier shaft 44 parallel to the shaft 40, and on which are pivotally mounted two planet gears.
  • a first pinion-satellite called lower pinion-satellite 45
  • a second pinion-satellite said upper pinion-satellite 46
  • the differential gear 4 also comprises a first input wheel 48 having an external toothing and an internal toothing, and a second input wheel 49 having an external toothing, each being respectively mounted free to rotate around the shaft 40 .
  • the first input wheel 48 is mounted on a plate 43 mounted to rotate freely around the shaft 40, under the satellite carrier 42, by means of a barrel for example.
  • the plate 43 and the first input wheel 48 have a diameter greater than that of the planet carrier 42, so that the internal toothing of the first input wheel 48 is meshed with the toothing of the satellite 45 when the external toothing of the input wheel 48 is meshed with the first gear 20 .
  • the differential gear 4 also comprises a transmission wheel 47 mounted around the shaft 40, under the second input wheel 49 and integral with the latter, the transmission wheel 47 having an external toothing intended to be meshed by the toothing of the upper satellite gear 46 when the second input wheel 49 is engaged by the second gear train 30.
  • This differential gear 4 is described by way of illustration and not limitation, and a person skilled in the art would obviously be able to set up any other type of differential gear to achieve the smooth running of the watch movement.
  • the distribution of energy to the first regulating member 2 is shown in Figures 2a and 2b .
  • the energy of the barrel 1, or the driving force, is transmitted to the first train 20, and arrives at the first regulating member 2 via the exhaust 21.
  • FIGS. 3a, 3b and 5a, 5b respectively illustrate the kinematic link between the first regulating member 2 and the differential 4, and the kinematic link between the second regulating member 3 and the differential 4 in order to be able to display the current time.
  • the timepiece movement also includes means for stopping and releasing the operation of one of the regulating members, preferably the one consuming the most energy, when the user is not wearing not the watch.
  • one of the regulating members preferably the one consuming the most energy
  • it is the tourbillon which is stopped when the watch is not worn.
  • Such means for stopping and releasing the progress of one of the regulating organs are illustrated in Figures 7a to 7c and are arranged to cooperate with an oscillating mass and a pusher for example.
  • the first gear 20, and therefore the tourbillon in the illustrated case, is stopped by means of a manual control, such as a pusher 9 to block the first gear 20 and release the second gear 30 connected to the balance wheel classic hairspring that is stopped when the watch is worn.
  • a manual control such as a pusher 9 to block the first gear 20 and release the second gear 30 connected to the balance wheel classic hairspring that is stopped when the watch is worn.
  • the means for stopping and releasing the operation of one of the regulating members comprise a first lever 74 controlled by the pusher 9, the first lever 74 acting on a second lever 70 provided with two friction members 71, 72 each being linked to this second rocker by means of a spring blade 710, 720 so as to limit the mechanical stresses when one of the friction members 71, 72 engages the first train 20 or the second train 30.
  • the second rocker 70 is mounted movable in rotation on a bridge (not visible in the figures) and is constrained by a helical spring in the locking position of the second gear train 30.
  • the means for stopping and releasing the operation of one of the regulating members also comprise a third rocker 73, mounted movable in rotation on the same bridge (not visible in the figures) and which is also constrained by a helical spring.
  • This third flip-flop 73 comprises on the one hand, a notch 730 arranged to cooperate with a spout 700 of the second rocker 70 when the pusher 9 is pressed, and on the other hand, a spout 731 arranged to cooperate with the oscillating mass 8 via a lug 80 secured to the oscillating mass during the rotation of the latter.
  • the first rocker 74 acts on the second rocker 70 to rotate it so that the friction member 71 engages with the first train 20 and the friction member 72 releases the second gear train 30, the spout 700 then being received in the notch 730 of the third lever 73 and blocking the position of the second lever.
  • the oscillating mass can rotate in both directions.
  • the mechanism makes it possible to stop and activate all other kinds of escapements, for example a standard Swiss anchor escapement and a standard balance automatically if the user is not wearing the watch or when user request so as to save energy.
  • escapements for example a standard Swiss anchor escapement and a standard balance automatically if the user is not wearing the watch or when user request so as to save energy.
  • the first gear 20 transmits its energy and its rotational movement to the differential gear 4 via the input wheel 48.
  • the rotational movement is then transmitted to the pinion -satellite 45 via the internal toothing of the input wheel 48, the pinion-satellite 45 then driving the pinion carrier 42 and the shaft 40 in rotation.
  • the shaft 40 rotates the means for displaying the current time 6, namely a tube 60 fixedly mounted on the shaft 40, the tube 60 being able to support a hand for indicating the minutes.
  • the current time display means 6 also include a second tube 61 mounted to rotate on the first tube 60, and meshed by the gear train 62, 63 so as to indicate the hours.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electric Clocks (AREA)
  • Transmission Devices (AREA)

Claims (12)

  1. Uhrwerk (100), umfassend ein erstes Reglerelement (2), eine erste Hemmung, die dem ersten Reglerelement zugeordnet ist, ein erstes Räderwerk (20), das die erste Hemmung mit einer ersten Energiequelle (1) verbindet, ein zweites Reglerelement (3), eine zweite Hemmung, die dem zweiten Reglerelement zugeordnet ist, und ein zweites Räderwerk (30), das die zweite Hemmung mit einer zweiten Energiequelle (5) verbindet; wobei das Uhrwerk Mittel zum Anzeigen der aktuellen Uhrzeit (60, 61) umfasst sowie mindestens ein Differentialgetriebe (4), welches ein erstes Eingangsrad (48) umfasst, das mit dem ersten Räderwerk in Eingriff steht, und ein zweites Eingangsrad (49), das mit dem zweiten Räderwerk in Eingriff steht, wobei dieses Differentialgetriebe die Mittel zum Anzeigen der aktuellen Uhrzeit antreibt;
    wobei das Uhrwerk dadurch gekennzeichnet ist, dass das zweite Reglerelement weniger Energie verbraucht als das erste Reglerelement; dass es Mittel zum Festhalten und Lösen jedes der ersten und zweiten Reglerelemente umfasst, wobei diese Mittel so angeordnet sind, dass sie abwechselnd das erste Räderwerk und das erste Reglerelement miteinander verriegeln können, während sie das zweite Räderwerk und das zweite Reglerelement lösen, und das zweite Räderwerk und das zweite Reglerelement miteinander verriegeln können, während sie das erste Räderwerk und das erste Reglerelement lösen; und dass das Differentialgetriebe (4) so angeordnet ist, dass die Mittel zum Anzeigen der aktuellen Uhrzeit die aktuelle Uhrzeit unabhängig davon anzeigen können, welches der ersten oder zweiten Reglerelemente gelöst wird.
  2. Uhrwerk (100) nach Anspruch 1, wobei das Differentialgetriebe (4) die Mittel zum Anzeigen der aktuellen Uhrzeit trägt.
  3. Uhrwerk (100) nach Anspruch 1 oder 2, wobei die Reglerelemente gleichen Typs sind.
  4. Uhrwerk (100) nach Anspruch 1 oder 2, wobei die Reglerelemente unterschiedlichen Typs sind.
  5. Uhrwerk (100) nach einem der Ansprüche 1 bis 4, wobei mindestens ein Reglerelement ein Tourbillon oder ein Karussell ist.
  6. Uhrwerk (100) nach einem der Ansprüche 1 bis 4, wobei mindestens ein Reglerelement eine klassische Unruh mit Spiralfeder ist.
  7. Uhrwerk (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das erste und das zweite Reglerelement (2, 3) mit unterschiedlichen Frequenzen arbeiten, wobei das zweite Reglerelement (3) eine niedrigere Frequenz aufweist als das erste Reglerelement (2).
  8. Uhrwerk (100) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Mittel zum Festhalten und Lösen jedes des ersten und des zweiten Reglerelements eine erste Wippe (74) umfassen, die so angeordnet ist, dass sie durch eine manuelle Steuerung betätigt wird, wobei die erste Wippe (74) auf eine zweite Wippe (70) einwirkt, die mit zwei Reibungselementen (71, 72) versehen ist, die so angeordnet sind, dass, wenn die zweite Wippe abwechselnd in beide Richtungen zwischen zwei Verriegelungspositionen geschwenkt wird, abwechselnd jeweils das erste Räderwerk (20) und das erste Reglerelement (2) und das zweite Räderwerk (30) und das zweite Reglerelement (3) miteinander verriegelt werden können.
  9. Uhrwerk (100) nach Anspruch 8, dadurch gekennzeichnet, dass die beiden Reibungselemente so angeordnet sind, dass sie jeweils abwechselnd mit dem ersten Räderwerk und dem zweiten Räderwerk in Eingriff gelangen, wenn die zweite Wippe abwechselnd in beide Richtungen zwischen den zwei Verriegelungspositionen geschwenkt wird.
  10. Uhrwerk (100) nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die beiden Reibungselemente (71, 72) jeweils mit der zweiten Wippe über ein Federblatt (710, 720) verbunden sind.
  11. Uhrwerk (100) nach einem der Ansprüche 8 bis 10, wobei die Mittel zum Festhalten und Lösen des Gangs jeweils des ersten und des zweiten Reglerelements eine dritte Wippe (73) umfassen, die so angeordnet ist, dass sie einerseits mit der zweiten Wippe (70) zusammenwirkt, wenn die manuelle Steuerung betätigt wird, um diese zweite Wippe in einer ersten Position aus den zwei genannten Verriegelungspositionen zu verriegeln, in der das erste Reglerelement und das erste Räderwerk verriegelt sind, und andererseits mit einer Schwungmasse zusammenwirkt, wenn sich diese Schwungmasse dreht, um die zweite Wippe zu lösen, wenn diese sich in der ersten Position befindet, und es der zweiten Wippe zu ermöglichen, in die zweite der beiden Verriegelungspositionen zu schwenken, in der das zweite Reglerelement und das zweite Räderwerk verriegelt sind.
  12. Uhr, umfassend ein Uhrwerk (100) nach einem der Ansprüche 1 bis 11.
EP17163951.1A 2017-03-30 2017-03-30 Uhrwerk mit verlängerung der gangreserve Active EP3382468B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP17163951.1A EP3382468B1 (de) 2017-03-30 2017-03-30 Uhrwerk mit verlängerung der gangreserve
US15/887,375 US10514659B2 (en) 2017-03-30 2018-02-02 Movement with power reserve extension
JP2018023775A JP6499780B2 (ja) 2017-03-30 2018-02-14 パワーリザーブ延長機能付きのムーブメント
KR1020180035370A KR102092553B1 (ko) 2017-03-30 2018-03-27 파워 리저브를 연장시키는 무브먼트
CN201810272057.5A CN108693758B (zh) 2017-03-30 2018-03-29 具有动力储备延长装置的机芯
US16/707,796 US10816934B2 (en) 2017-03-30 2019-12-09 Movement with power reserve extension
KR1020200032760A KR102260932B1 (ko) 2017-03-30 2020-03-17 파워 리저브를 연장시키는 무브먼트

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17163951.1A EP3382468B1 (de) 2017-03-30 2017-03-30 Uhrwerk mit verlängerung der gangreserve

Publications (2)

Publication Number Publication Date
EP3382468A1 EP3382468A1 (de) 2018-10-03
EP3382468B1 true EP3382468B1 (de) 2020-01-15

Family

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EP17163951.1A Active EP3382468B1 (de) 2017-03-30 2017-03-30 Uhrwerk mit verlängerung der gangreserve

Country Status (5)

Country Link
US (2) US10514659B2 (de)
EP (1) EP3382468B1 (de)
JP (1) JP6499780B2 (de)
KR (2) KR102092553B1 (de)
CN (1) CN108693758B (de)

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EP3382468B1 (de) * 2017-03-30 2020-01-15 The Swatch Group Research and Development Ltd Uhrwerk mit verlängerung der gangreserve
JP7135914B2 (ja) * 2019-02-12 2022-09-13 セイコーエプソン株式会社 時計
EP3770694B1 (de) * 2019-07-23 2021-12-08 Omega SA Anschlagkäfig für uhr mit zwei elastischen anschlagelementen

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Also Published As

Publication number Publication date
JP6499780B2 (ja) 2019-04-10
US10514659B2 (en) 2019-12-24
KR20200032679A (ko) 2020-03-26
KR102260932B1 (ko) 2021-06-04
KR102092553B1 (ko) 2020-03-25
JP2018173402A (ja) 2018-11-08
CN108693758B (zh) 2020-06-19
US20180284696A1 (en) 2018-10-04
EP3382468A1 (de) 2018-10-03
US10816934B2 (en) 2020-10-27
KR20180111593A (ko) 2018-10-11
CN108693758A (zh) 2018-10-23
US20200110363A1 (en) 2020-04-09

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