EP4002016A1 - Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus - Google Patents

Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus Download PDF

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Publication number
EP4002016A1
EP4002016A1 EP20208925.6A EP20208925A EP4002016A1 EP 4002016 A1 EP4002016 A1 EP 4002016A1 EP 20208925 A EP20208925 A EP 20208925A EP 4002016 A1 EP4002016 A1 EP 4002016A1
Authority
EP
European Patent Office
Prior art keywords
fixed
wheel
sfa
watch
mechanical movement
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
EP20208925.6A
Other languages
English (en)
French (fr)
Inventor
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
Original Assignee
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
Priority to EP20208925.6A priority Critical patent/EP4002016A1/de
Priority to JP2021144503A priority patent/JP7198887B2/ja
Priority to US17/476,958 priority patent/US20220163922A1/en
Priority to CN202111174508.XA priority patent/CN114518702B/zh
Publication of EP4002016A1 publication Critical patent/EP4002016A1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/257—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/2575—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • 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
    • G04B15/06—Free escapements
    • G04B15/08—Lever 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
    • 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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • 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
    • 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
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands

Definitions

  • a mechanism for advancing by periodic jump of a pivoting cage carrying a wheel and an escapement pinion and an anchor cooperating with the wheel and a spiral balance wheel comprises retaining means to authorize or prohibit the pivoting of said cage according to the movements or not.
  • stop means for authorizing or prohibiting, depending on their angular position, the pivoting of the retaining means are also stop means for authorizing or prohibiting, depending on their angular position, the pivoting of the retaining means.
  • a constant force device causes the retaining means to cooperate periodically. This device comprises a whip intended to perform complete turns.
  • Some of these mechanisms can get out of sync after complete disarming, and go into a blocking position. This requires a stop system linked to a power reserve mechanism, which will stop the mechanism before complete unwinding.
  • the gear train is blocked, in particular consisting of the first seconds wheel and the transmission without force transmission from the first seconds wheel and the transmission.
  • the second seconds wheel is controlled by the escapement and only turns when it is moved by the pendulum.
  • the winding of the spring is ensured by the displacement of the rocker in the opposite direction, for which the spring exerts on the rocker a lower torque than that exerted by the barrel spring on the rocker, when the stop wheel is released.
  • the device thus makes it possible to adapt the winding/unwinding cycle according to the number of teeth of the stop wheel.
  • the patent EP 3 356 690 B1 describes a timepiece component having a flexible pivot of the type with well-known separated crossed blades, and having means for adjusting the position of the point of intersection of the blades.
  • the watch with a mechanical movement with a force control mechanism and of the jumping seconds type can be with a tourbillon whose cage encloses an oscillator and an escapement mechanism as explained below, or according to a traditional mechanical movement without a tourbillon, which will be explained later with reference to the figure 4 .
  • the frequency of oscillator 14 is generally higher than 1 Hz and for example in this case can be set to 2.5 Hz. not corresponding to a half-oscillation (alternation), we can count 5 half-oscillations of the oscillator 14 in the stop phase until the release of the rotating blocking element 7 for the jump phase.
  • the flexible guide 4 linked to the fixed second wheel SFA 2 must therefore provide energy during the 5 half-oscillations of the oscillator 14 or the carriage is stopped, and be reset during the jump of the said carriage 15.
  • five successive elastic strips 4a connect a first interior side of the mobile portion 4c to a first interior side of the fixed portion 4b.
  • a first elastic blade 4a from the movable portion 4c is connected to a first intermediate central portion.
  • a second elastic blade 4a from the first intermediate central portion is connected to a first intermediate peripheral portion.
  • a third elastic blade 4a from the first intermediate peripheral portion is connected to a second intermediate central portion.
  • a fourth elastic blade 4a from the second intermediate central portion is connected to a second intermediate peripheral portion.
  • a fifth elastic blade from the second intermediate peripheral portion is connected to a first interior side of the fixed portion 4b.
  • half-oscillations of oscillator 14 can be provided in the stop phase depending on the oscillation frequency of oscillator 14.
  • Each half-oscillation must be equal to 0.2 s for an oscillator of 2.5 Hz.
  • the number of small steps performed by the SFA 2 fixed second wheel in the stop phase must correspond to a jump of 1 second in the jump phase.
  • the pallet 3a is arranged to cooperate in support with said blocking element 7, which is a whip, to block said going train in a stopping phase, or to release said blocking element 7 and said going train in a phase jump.
  • the whip 7 comprises a first blocking rod part and a second blocking rod part with respect to its center which includes the axial blocking pinion 8.
  • the flexible guide 4 linked to the fixed second wheel SFA 2 releases energy to rotate said fixed second SFA 2 to drive the escapement wheel set 11.
  • the going train via the axial locking pinion 8 of the whip 7 is arranged to cause the said fixed second wheel SFA 2 to pivot via the second pinion 5 and the tourbillon cage 15.
  • the fixed second wheel SFA 2 comprises peripheral toothing meshing with the escapement toothed pinion 12 coaxial with the escapement wheel set 11.
  • a middle wheel 10 which comprises the going train, has a toothing on the periphery meshing with the axial toothed second pinion 5 coaxial with the fixed second wheel SFA 2, and whose axis of the second pinion 5 is connected to the tourbillon cage 15.
  • An intermediate wheel 9, which said going train also comprises, comprises an intermediate axial toothed pinion 19 meshing with the teeth on the periphery of the middle wheel 10.
  • the intermediate wheel 9 comprises teeth on the periphery to mesh with said axial locking pinion 8 attached to the element of rotary lock 7, which is the whip.
  • the figures 3a, 3b and 3c represent three different embodiments of the flexible guide 4, which can be fixed on the one hand under the fixed second wheel SFA 2, and on the other hand to a movement support, such as a plate. Such embodiments make it possible to have higher torques and better axial retention. These three embodiments are also different from the embodiment shown in figures 1 and 2 and described above.
  • the fixed portion 4b and the movable portion 4c of the flexible guide 4 which are both connected by several elastic blades 4a or spring blades, preferably two V-shaped elastic blades.
  • Each of the elastic blades 4a connects a peripheral end of each fixed 4b and mobile 4c portion.
  • the position of these through-openings 16, 17 is also dependent on the size of the fixed second wheel SFA 2 and its fixing parts.
  • the fixed portion 4b further comprises an axial opening 25 for mounting the flexible guide 4 coaxially with the axis of the second pinion 5 and preferably on the axial tube of the fixed second wheel SFA 2.
  • each flexible guide 4 can be in the form of a flat plate, in the thickness can be chosen substantially equivalent to the thickness of the central portion of the second wheel fixed SFA 2.
  • the figure 4 additionally represents another schematic embodiment of a traditional mechanical watch movement with the going train and the force control mechanism according to the invention.
  • Certain elements already described with reference to the figures 1 and 2 are found in this form of execution of the traditional movement, which does not include a tourbillon.
  • the flexible guide 4 comprises a fixed portion base, which can be fixed by screws 44 on a watch movement support, and a mobile portion which can be directly the crown 32 connected to the stopper 3.
  • the elastic blades 4a are fixed for example by welding points 34 to the crown 32.
  • the flexible guide 4 must rotate the fixed second wheel SFA 2 with the stopper 3 in the anti-clockwise direction. (SIAM) in the motion stop phase.
  • SIAM anti-clockwise direction.
  • Planetary wheels 51, 52 are also mounted in connection with the second pinion 5 coaxial with the second wheel 2.
  • the stop member 3 can be an arcuate plate 3 pivoting about an axis and driven by the flexible guide 4 in this embodiment.
  • the stop member 3 is in contact with a tooth of a locking element 7, which comprises in a central portion an axial locking pinion 8 to drive the intermediate wheel 9 having toothing in periphery.
  • the blocking element 7 can comprise several teeth on its periphery to come into contact with the stop member 3 in the stop phase.
  • the blocking element 7 is released to rotate through an angle of 120° defining the second jump, as there are 3 blocking teeth.
  • the escapement wheel set 11 is driven by the fixed seconds wheel SFA 2 via its coaxial escapement pinion 12 engaged with a toothing on the periphery of the fixed seconds wheel SFA 2 During the jump phase, this accumulated energy is supplied to the going train for the jump of the second.
  • the middle wheel 10 driven by the intermediate pinion 19 of the intermediate wheel 9 has teeth on the periphery to mesh with the coaxial second pinion 5 for the second jump. No direct influence on this jump phase, a large middle wheel 21 has peripheral toothing to mesh with a middle coaxial pinion 20.
  • the arrangement by the differential with the satellite wheels 51, 52 and the crown 53 makes it possible to rearm the flexible guide 4 of the SFA to find itself again in the stop mode with the stop member 3 blocking the blocking element 7 by one of his teeth.
  • the figure 5 shows a cross-section from bottom to top of the mechanism at the center of the tourbillon as shown in part above with reference to the figure 1 or at the figure 2 .
  • the second pinion 5 is the axis of the cage 15 of the tourbillon.
  • the fixed seconds wheel SFA pivots concentrically to the axis of the tourbillon without touching it thanks to the holding in position of the flexible blade guide system.
  • the tourbillon cage 15 encloses the escapement mechanism with the escapement mobile 11, the Swiss lever 13 and in connection with the oscillator 14 which is the balance spring.
  • the mechanical movement can be a traditional mechanical movement with a fixed second wheel SFA also connected to drive or maintain the escapement wheel set with the oscillator in a stop phase.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Transmission Devices (AREA)
EP20208925.6A 2020-11-20 2020-11-20 Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus Pending EP4002016A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20208925.6A EP4002016A1 (de) 2020-11-20 2020-11-20 Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus
JP2021144503A JP7198887B2 (ja) 2020-11-20 2021-09-06 力制御機構を伴う機械式ムーブメントウオッチ
US17/476,958 US20220163922A1 (en) 2020-11-20 2021-09-16 Mechanical movement watch with a force control mechanism
CN202111174508.XA CN114518702B (zh) 2020-11-20 2021-10-09 具有力控制机构的机械机芯手表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20208925.6A EP4002016A1 (de) 2020-11-20 2020-11-20 Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus

Publications (1)

Publication Number Publication Date
EP4002016A1 true EP4002016A1 (de) 2022-05-25

Family

ID=73543125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20208925.6A Pending EP4002016A1 (de) 2020-11-20 2020-11-20 Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus

Country Status (4)

Country Link
US (1) US20220163922A1 (de)
EP (1) EP4002016A1 (de)
JP (1) JP7198887B2 (de)
CN (1) CN114518702B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202567A1 (de) * 2021-12-22 2023-06-28 Montres Breguet S.A. Anordnung von entgegengesetzten flexiblen führungen für ein uhrwerk, insbesondere für eine anzeigevorrichtung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH330892A (fr) * 1957-06-29 1958-06-30 Derby S A Pièce d'horlogerie à seconde sautante
EP1528443B1 (de) 2003-10-28 2008-08-06 Francois-Paul Journe Konstantkraftvorrichtung für eine Uhr
CH702179A2 (fr) * 2009-10-30 2011-05-13 Audemars Piguet Renaud Et Papi Sa Système de seconde morte pour pièce d'horlogerie.
WO2011113757A1 (fr) * 2010-03-17 2011-09-22 Complitime Sa Mouvement pour piece d'horlogerie a remontoir d'egalite
WO2011157797A1 (fr) 2010-06-17 2011-12-22 Blancpain Sa Mécanisme d'avance par saut périodique d'une cage de tourbillon ou d'une cage de carrousel
WO2018193365A1 (fr) * 2017-04-18 2018-10-25 Patek Philippe Sa Geneve Dispositif de blocage pour l'horlogerie
CN209014916U (zh) 2018-11-21 2019-06-21 天芯智能（深圳）股份有限公司 秒轮片及陀飞轮机构
EP3356690B1 (de) 2015-09-29 2019-08-14 Patek Philippe SA Genève Mechanische komponente mit flexibler drehachse, insbesondere für uhrwerke
EP3598241A1 (de) * 2018-07-19 2020-01-22 Patek Philippe SA Genève Uhrmechanismus mit konstantkraftvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096504B1 (de) 2008-02-29 2011-11-16 Manufacture La Joux-Perret SA Mechanismus zur Anzeige der toten Sekunden
CH703331B1 (fr) * 2010-06-17 2014-12-31 Blancpain Sa Mécanisme d'avance par saut périodique d'une cage de tourbillon ou d'une cage de carrousel.
JP6143185B2 (ja) 2013-09-04 2017-06-07 セイコーインスツル株式会社 動作安定機構、ムーブメントおよび機械式時計
EP3232274A1 (de) 2015-01-05 2017-10-18 Citizen Watch Co., Ltd. Bewegung für mechanische uhr
DE102015122613B4 (de) * 2015-12-22 2020-07-23 Lange Uhren Gmbh Sekundensprungeinrichtung einer Uhr
US11454932B2 (en) * 2018-07-24 2022-09-27 The Swatch Group Research And Development Ltd Method for making a flexure bearing mechanism for a mechanical timepiece oscillator
US11409245B2 (en) * 2018-11-08 2022-08-09 Eta Sa Manufacture Horlogere Suisse Anti shock protection for a resonator mechanism with a rotary flexure bearing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH330892A (fr) * 1957-06-29 1958-06-30 Derby S A Pièce d'horlogerie à seconde sautante
EP1528443B1 (de) 2003-10-28 2008-08-06 Francois-Paul Journe Konstantkraftvorrichtung für eine Uhr
CH702179A2 (fr) * 2009-10-30 2011-05-13 Audemars Piguet Renaud Et Papi Sa Système de seconde morte pour pièce d'horlogerie.
WO2011113757A1 (fr) * 2010-03-17 2011-09-22 Complitime Sa Mouvement pour piece d'horlogerie a remontoir d'egalite
WO2011157797A1 (fr) 2010-06-17 2011-12-22 Blancpain Sa Mécanisme d'avance par saut périodique d'une cage de tourbillon ou d'une cage de carrousel
EP3356690B1 (de) 2015-09-29 2019-08-14 Patek Philippe SA Genève Mechanische komponente mit flexibler drehachse, insbesondere für uhrwerke
WO2018193365A1 (fr) * 2017-04-18 2018-10-25 Patek Philippe Sa Geneve Dispositif de blocage pour l'horlogerie
EP3598241A1 (de) * 2018-07-19 2020-01-22 Patek Philippe SA Genève Uhrmechanismus mit konstantkraftvorrichtung
CN209014916U (zh) 2018-11-21 2019-06-21 天芯智能（深圳）股份有限公司 秒轮片及陀飞轮机构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
W. H. WITTRICK: "The properties of crossed flexure pivots and the influence of the point at which the strips cross", THE AERONAUTICAL QUARTERLY, vol. 11, no. 4, 1951, pages 272 - 292

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202567A1 (de) * 2021-12-22 2023-06-28 Montres Breguet S.A. Anordnung von entgegengesetzten flexiblen führungen für ein uhrwerk, insbesondere für eine anzeigevorrichtung

Also Published As

Publication number Publication date
CN114518702A (zh) 2022-05-20
JP2022082425A (ja) 2022-06-01
US20220163922A1 (en) 2022-05-26
JP7198887B2 (ja) 2023-01-04
CN114518702B (zh) 2024-03-19

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