EP2831676A1 - Flexible lever-free escapement mechanism - Google Patents
Flexible lever-free escapement mechanismInfo
- Publication number
- EP2831676A1 EP2831676A1 EP13713421.9A EP13713421A EP2831676A1 EP 2831676 A1 EP2831676 A1 EP 2831676A1 EP 13713421 A EP13713421 A EP 13713421A EP 2831676 A1 EP2831676 A1 EP 2831676A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- stop
- ellipse
- flexible
- rocker
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 239000010979 ruby Substances 0.000 claims description 2
- 229910001750 ruby Inorganic materials 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000000708 deep reactive-ion etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910001075 Nivarox Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- 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
- G04B15/00—Escapements
- G04B15/02—Escapements permanently in contact with the regulating mechanism
-
- 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
-
- 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
- G04B15/10—Escapements with constant impulses for the regulating mechanism
-
- 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
- G04B15/12—Adjusting; Restricting the amplitude of the lever or the like
-
- 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
- G04B17/045—Oscillators acting by spring tension with oscillating blade springs
Definitions
- the invention relates to an escapement mechanism for movement or timepiece comprising at least one balance and at least one escape wheel.
- the invention also relates to a watch movement comprising a fixed structure and at least one such mechanism.
- the invention relates to a timepiece comprising a fixed structure and at least one such mechanism, and / or at least one such clockwork movement.
- the invention relates to the field of watch mechanisms, and in particular exhaust mechanisms.
- Watchmaking performance requires high-precision movements with minimal footprint and fewer components to control production, assembly and tuning costs.
- "LIGA” or “DRIE” technologies make it possible to produce flexible and precise components, and to completely call into question traditional architectures, characterized by a large number of components and delicate adjustments.
- WO201 1/1201 80 A1 ROLEX SA discloses an anchor type blocker, with two arms each provided with a pallet for driving the same gear wheel, with two elastic arms connecting this blocker to a frame allowing its pivoting, and a third elastic element substantially bistable.
- Document EP 2,037,335 A2 ENZLER & VON GUNTEN discloses a monobloc anchor, Swiss anchor type, with two arms each provided with a pallet, and comprising arms constituted by flexible blades connected to a structure and defining a fictitious pivot .
- the document EP 2 450 755 A1 NIVAROX describes an escape wheel for a clockwork mechanism comprising, coaxial and synchronous pivoting about a pivot axis, a plurality of toothed wheels comprising at least a first impulse gear wheel. in a first pulse plane and at least a second release gear in a second stop plane parallel to or coincident with the first pulse plane.
- the second release gear comprises at least one moving element which comprises, on the one hand, at least one release tooth movable radially with respect to the pivot axis and biased towards an equilibrium position by first return means, and on the other hand at least one rest tooth biased in a first radial direction to an abutment position by second return means.
- the release tooth comprises drive means arranged for, when the release tooth moves in a second radial direction opposite the first radial direction, cooperate with complementary drive means that includes the rest tooth to drive the tooth of rest in the second radial direction.
- the drive means when the release tooth moves in the first radial direction, are arranged to move away from the complementary drive means without driving the rest tooth.
- the document EP 2 105 806 A1 GIRARD PERREGAUX SA describes a deformable frame defining two orthogonal axes, comprising a buckling leaf spring in its largest dimension and arranged to restore energy during changes in shape of the bistable blade.
- the document EP 2 221 677 A1 ROLEX SA describes an expansion escapement with a rocker pivoting against a spring which pushes a stop element of this rocker towards the escape wheel, the rocker carries a release element which cooperates with a release finger carried by a movable plate in position relative to the balance plate under the effect of the speed variations of the balance.
- the document CH 60 81 3 A SHORTILL describes an anchor escapement whose escape wheel comprises, on either side of its flange, an alternation of teeth cooperating with pallets anchor mounted in opposition and facing each other.
- the document EP 1 967 919 A1 ETA SA describes a tangential pulse exhaust comprising a mobile ring frame, comprising vanes arranged to cooperate with teeth of an escape wheel located inside this ring.
- the invention proposes to overcome the limitations of known architectures, by proposing compact mechanisms, of small thickness, and economic to produce.
- the invention relates to an escapement mechanism for movement or timepiece comprising at least one balance and at least one escape wheel, characterized in that the transmission of pulses between said at least one balance and said at least one escape wheel is made by a one-piece flexible mechanism comprising at least one probe cooperating with said at least one escape wheel or said at least one rocker respectively, and in that said one-piece flexible mechanism is connected by at least one flexible blade to a fixed structure of said timepiece, or respectively to said at least one escape wheel.
- the invention also relates to a watch movement comprising a fixed structure and at least one such mechanism.
- the invention relates to a timepiece comprising a fixed structure and at least one such mechanism, and / or at least one such clockwork movement.
- FIGS 1 and 2 illustrate an escapement without anchor according to the invention
- FIG. 3 shows, in the form of a block diagram, a timepiece with a movement comprising such a mechanism.
- These flexible zones can be used to carry out guidance, especially pivoting, and / or to achieve elastic return means.
- flexible guides are termed linear or rotary guides comprising one or more flexible blades.
- Their advantages are numerous, and one will quote in particular: precision, absence of friction, absence of hysteresis, absence of wear, no need of lubrication, absence of seizing, monolithic manufacture.
- the most frequent limitations are: limitation of displacements, low intensity of forces or restoring torques, sometimes complex kinematics, limitation of the supported load.
- the flexible guides can be modified to have a zero rigidity or to have a bistable state in the case of a component working in buckling under the action of forces exerted on both sides of an average direction, either side of which this component can occupy two different stable states.
- the invention is applicable to an escapement mechanism 100 for movement 900 or timepiece 1000 comprising at least one balance wheel 300 and at least one escape wheel 400.
- the transmission of pulses between said at least one balance wheel 300 and said at least one escape wheel 400 is carried out by a one-piece flexible mechanism 500.
- This one-piece flexible mechanism 500 comprises at least one probe 600 for cooperation with said at least one escape wheel 400 or respectively said at least one rocker 300.
- This one-piece flexible mechanism 500 is connected by at least one flexible blade 700, or preferably by a plurality of flexible blades constituting elastic return means, to a fixed structure 800 of said timepiece 1000, or respectively to said at least one escape wheel 400.
- FIGS 1 and 12 illustrate an escapement without anchor 140.
- the rocker 141 comprises a plate with a pin 142.
- the plate has two pins / stops 143 and 144.
- An escape wheel 145 has a plurality of teeth 146.
- Each tooth 146 one is an intermittent locking mechanism, and comprises a rocker 147: each latch 147 comprises a rocker pin 148 guided by flexible blades 149.
- This anchor pin 148 can be actuated by a small lever 150.
- Each tooth 146 also comprises a impulse plan 151.
- Exhaust wheel is at two levels: a low level carries the rocker pins 148, and corresponds to the level where are disposed the pins / stops platinum 143 and 144, while a high level carries the escape wheel structure 145 and the levers 150.
- a ruby lift is dedicated to the pulse.
- the invention also relates to a clockwork movement 900 comprising at least one such flexible mechanism, and in particular comprising a fixed structure 800 and at least one such mechanism 100.
- the invention also relates to a timepiece 1000, in particular a watch, comprising at least one such clockwork movement 900, and / or at least one of the flexible mechanisms described above, in particular having a fixed structure 800 and at least one least such a mechanism 1 00.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Micromachines (AREA)
- Gears, Cams (AREA)
- Handcart (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13713421.9A EP2831676B1 (en) | 2012-03-29 | 2013-03-27 | Flexible escapement mechanism |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12162030.6A EP2645189B1 (en) | 2012-03-29 | 2012-03-29 | Flexible escapement mechanism |
PCT/EP2013/056579 WO2013144237A1 (en) | 2012-03-29 | 2013-03-27 | Flexible lever-free escapement mechanism |
EP13713421.9A EP2831676B1 (en) | 2012-03-29 | 2013-03-27 | Flexible escapement mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2831676A1 true EP2831676A1 (en) | 2015-02-04 |
EP2831676B1 EP2831676B1 (en) | 2017-11-15 |
Family
ID=66775764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13713421.9A Active EP2831676B1 (en) | 2012-03-29 | 2013-03-27 | Flexible escapement mechanism |
Country Status (7)
Country | Link |
---|---|
US (1) | US9207640B2 (en) |
EP (1) | EP2831676B1 (en) |
JP (1) | JP6034949B2 (en) |
KR (1) | KR101676148B1 (en) |
CN (1) | CN104220940B (en) |
HK (1) | HK1205288A1 (en) |
WO (1) | WO2013144237A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105503727B (en) * | 2014-10-14 | 2019-01-04 | 沈阳中化农药化工研发有限公司 | A kind of pyrazol acid amide compounds and its application |
EP3230806B1 (en) | 2014-12-09 | 2024-03-13 | LVMH Swiss Manufactures SA | Mechanism for a timepiece and timepiece having such a mechanism |
EP3032351A1 (en) | 2014-12-09 | 2016-06-15 | LVMH Swiss Manufactures SA | Timepiece mechanism, timepiece movement and timepiece having such a mechanism |
EP3032352A1 (en) | 2014-12-09 | 2016-06-15 | LVMH Swiss Manufactures SA | Timepiece regulator, timepiece movement and timepiece having such a regulator |
CH710524A2 (en) | 2014-12-18 | 2016-06-30 | Swatch Group Res & Dev Ltd | Resonator clockwork cross-band. |
EP3035127B1 (en) | 2014-12-18 | 2017-08-23 | The Swatch Group Research and Development Ltd. | Clock oscillator with tuning fork |
EP3206089B1 (en) | 2016-02-10 | 2018-12-19 | The Swatch Group Research and Development Ltd. | Timepiece resonator mechanism |
CN109254517B (en) * | 2017-07-12 | 2023-11-07 | 天津海鸥表业集团有限公司 | Escapement speed regulation module of watch and application |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH60813A (en) | 1912-07-27 | 1913-09-01 | James Shortill William | Lever escapement for clockworks |
FR675597A (en) | 1929-05-22 | 1930-02-12 | Improvements to exhaust systems and regulators | |
JPS5312212Y1 (en) * | 1967-10-18 | 1978-04-03 | ||
CH590506B5 (en) | 1973-10-31 | 1977-08-15 | Ebauches Sa | |
ATE363673T1 (en) * | 2003-12-04 | 2007-06-15 | Montres Breguet Sa | CHRONOMETER ESCAPEMENT FOR WRISTWATCHES |
ATE487963T1 (en) * | 2003-12-04 | 2010-11-15 | Montres Breguet Sa | CHRONOMETER ESCAPEMENT FOR WATCHES |
TWI461865B (en) * | 2006-06-23 | 2014-11-21 | Omega Sa | "sprung balance regulating system for a mechanical timepiece movement and timepiece having such a system |
ATE433136T1 (en) * | 2007-03-09 | 2009-06-15 | Eta Sa Mft Horlogere Suisse | ESCAPEMENT WITH TANGENTIAL IMPULSES |
CN201083966Y (en) * | 2007-07-02 | 2008-07-09 | 天津中鸥表业集团有限公司 | Mechanical wristwatch escapement mechanism |
CH708113B1 (en) | 2007-09-13 | 2014-12-15 | Stéphane Von Gunten | Anchor for a watch escapement. |
EP2105806B1 (en) | 2008-03-27 | 2013-11-13 | Sowind S.A. | Escapement mechanism |
EP2199875B1 (en) * | 2008-12-16 | 2014-09-24 | Rolex Sa | Detent escapement |
EP2221677A1 (en) | 2009-02-16 | 2010-08-25 | Rolex Sa | Detent escapement |
JP5378822B2 (en) | 2009-02-04 | 2013-12-25 | セイコーインスツル株式会社 | Detent escapement and watch incorporating it |
DE102009009562A1 (en) * | 2009-02-19 | 2010-09-09 | Integrated Dynamics Engineering Gmbh | Combined motion sensor for use in feedback control systems for vibration isolation |
EP2224292B1 (en) * | 2009-02-26 | 2012-10-10 | Rolex Sa | Detent escapement for timepiece movement |
CN102971678B (en) | 2010-04-01 | 2015-07-22 | 劳力士有限公司 | Immobilizing device for a toothed wheel |
EP2400351B1 (en) * | 2010-06-22 | 2013-09-25 | Omega SA | Single-piece mobile element for a clock piece |
CH704051B1 (en) | 2010-11-04 | 2013-10-15 | Nivarox Sa | Exhaust for synchronous clockwork. |
-
2013
- 2013-03-27 WO PCT/EP2013/056579 patent/WO2013144237A1/en active Application Filing
- 2013-03-27 EP EP13713421.9A patent/EP2831676B1/en active Active
- 2013-03-27 KR KR1020147028155A patent/KR101676148B1/en active IP Right Grant
- 2013-03-27 US US14/384,261 patent/US9207640B2/en active Active
- 2013-03-27 CN CN201380018152.8A patent/CN104220940B/en active Active
- 2013-03-27 JP JP2015502335A patent/JP6034949B2/en active Active
-
2015
- 2015-06-16 HK HK15105665.6A patent/HK1205288A1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013144237A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104220940A (en) | 2014-12-17 |
WO2013144237A1 (en) | 2013-10-03 |
US20150103636A1 (en) | 2015-04-16 |
KR20140135810A (en) | 2014-11-26 |
JP2015511715A (en) | 2015-04-20 |
KR101676148B1 (en) | 2016-11-14 |
HK1205288A1 (en) | 2015-12-11 |
US9207640B2 (en) | 2015-12-08 |
CN104220940B (en) | 2017-02-22 |
JP6034949B2 (en) | 2016-11-30 |
EP2831676B1 (en) | 2017-11-15 |
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