WO2013092316A1 - Mecanisme d'echappement - Google Patents
Mecanisme d'echappement Download PDFInfo
- Publication number
- WO2013092316A1 WO2013092316A1 PCT/EP2012/075118 EP2012075118W WO2013092316A1 WO 2013092316 A1 WO2013092316 A1 WO 2013092316A1 EP 2012075118 W EP2012075118 W EP 2012075118W WO 2013092316 A1 WO2013092316 A1 WO 2013092316A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulse
- rest
- plane
- mechanism according
- pallets
- Prior art date
Links
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
- G04B15/06—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
- G04B15/14—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
- G04B15/06—Free escapements
Definitions
- the present invention relates to the general technical field of watchmaking and more particularly to the technical field of exhaust systems.
- the invention relates in particular to the free exhaust systems for mechanical watches and more generally to any system for transferring energy from a mobile unit with unidirectional movement towards a reciprocating mobile.
- Such an exhaust system generally comprises an exhaust wheel subjected to almost constant torque provided by a barrel and multiplied by a gear train.
- the exhaust system also includes an exhaust anchor for distributing to a plate, the energy supplied by the escape wheel in a given direction, alternately in one direction and then in the other.
- a plate is integral in rotation with a balance spring.
- the exhaust systems are known and are therefore not presented in detail in this document. These systems comprise a set of component parts including, in particular, at least one escape wheel intended, on the one hand, to be rotated under the action of at least one drive member and, on the other hand, to mechanically cooperate with at least one regulating member, to periodically transmit energy to sustain its oscillations.
- the escape wheel comprises a hub, a serge provided with a toothing and connecting arms rigidly connecting the hub to the serge.
- the most common exhaust mechanism is the Swiss lever escapement, particularly because of its reliability.
- An anchor escapement of the Melly brothers is also known, whose escapement anchor includes a rod connecting a body, supporting pallets, to a fork.
- Such an exhaust is for example described in EP 1 967 919.
- the rod is pivotable about a fixed axis parallel to the axis of an escape wheel. It is well known that such an exhaust does not work properly. Indeed, this escapement does not have a high operational safety, the transitions between rest, pulse and fall being poorly defined. It is also very bulky and its construction gives it a strong moment of inertia.
- the object of the present invention is to provide an improved exhaust mechanism, to increase the efficiency of an exhaust system.
- Another object of the present invention is to provide a simple escape mechanism, reliable and compact.
- an escapement mechanism for a timepiece comprising an escape wheel, an exhaust anchor comprising a body, a fork secured to said body, said body having pallets for cooperating with the escape wheel, said body having a shape for delimiting an interior space for the arrangement of the escape wheel, said pallets comprising on the one hand two pallets of rest and on the other hand, two impulse vanes protruding into the interior space, said mechanism comprising a peg of a plate secured to a regulating member, characterized in that the plate and the fork are arranged relative to one another. other so as to impart to the anchor, when the peg cooperates with the fork, reciprocating movement in translation in a direction allowing a ratment and a distance from the anchor of the anchor. regulating organ.
- the movement in translation takes place in a direction T perpendicular to the fork opening.
- the plate has an axis of rotation parallel to the axis of rotation of the escape wheel so that the peg exhibiting reciprocating movement in rotation, cooperates with horns for input and output of said fork.
- the impulse pallets and the pallets of rest have different shapes.
- the impulse pallets, as well as the pallets rest are symmetrical with respect to a central axis and normal to the plane of extension of the interior space delimited by the body.
- the rest pallets have a shape allowing either a positioning "said shoulder" of the teeth of the escape wheel, or a positioning by fixed stops to limit the race from the anchor.
- each pallet of rest has, starting from its free end, a pulse nozzle, a pulse plane, a quill, a rest plane and a plane. recall.
- each pulse pallet has, starting from the free end, a pulse nozzle, a pulse plane, a first additional plane and a second additional plane of to achieve a substantially bent shape in a direction opposite to the direction of rotation of the escape wheel.
- each pulse pallet has a clearance extending upstream of its pulse plane, to accommodate without contact the nozzle and the pulse plane of a pulse. tooth of the escape wheel.
- the body is a substantially annular piece having two substantially rectilinear central portions and a substantially circular portion at the ends of said central portions, thus defining a geometric shape of the interior space having a major axis coincides with a translation direction T passing through the center of the escape wheel, each of the pallets being arranged in a transition zone between a central portion and a substantially circular portion.
- the exhaust mechanism according to the invention allows to implement by means of the movement. reciprocating translation of the exhaust anchor, repetitive exhaust cycles each comprising a rest phase, a release phase, a pulse phase on a rest pallet, a complementary pulse phase on a pallet impulse and a fall phase of the escape wheel preceding a new rest phase, said phases corresponding to particular positions of the exhaust anchor on its path in translation.
- each tooth of the escape wheel has at its free end a nose acting on the pulse plane of a rest pallet during the pulse phase and a pulse plane acting on the pulse plane of a pulse pallet during the complementary pulse phase.
- the nose and the pulse plane of a tooth of the escape wheel are engaged without contact in the release of the pallet impulse preceding the pallet rest against which another tooth is in abutment.
- the body, the fork connected to said body via a rod, the pallets rest and the impulse pallets are made in one piece.
- the impulse planes of the impulse pallets are oriented in such a way that the support of the teeth is as close as possible to the direction of translation of the impeller. anchor.
- the present invention also relates to a timepiece comprising at least one exhaust mechanism according to the invention.
- the exhaust mechanism according to the invention improves the transmission of energy between the escape wheel and the exhaust anchor.
- the escape mechanism according to the invention increases with a decrease in the number of teeth, the pulse path while maintaining the fall path. This has the effect of increasing proportionally the energy transmitted.
- the exhaust mechanism according to the invention also allows energy transmission of the escape wheel to the anchor by a force whose direction is close to that of the direction of movement of the anchor, thus minimizing energy losses by friction.
- Another advantage of the exhaust mechanism according to the invention lies in the fact that it works as safely as a Swiss lever escapement.
- Another advantage of the exhaust mechanism according to the invention lies in the reciprocating displacement in translation in a determined direction of the exhaust anchor. This makes it possible to make the escape anchor with perfect symmetry at its pallets, which interact with the escape wheel.
- FIG. 1 shows an exemplary embodiment of an escape mechanism according to the invention in a first rest phase
- FIGS. 2, 3 and 4 illustrate enlargements A, B and D of the escape mechanism of FIG. 1,
- FIG. 5 represents the escape mechanism according to the invention at the beginning of the disengagement phase
- Figures 6, 7 and 8 illustrate enlargements A, B and C of the exhaust mechanism of Figure 5
- FIG. 9 illustrates the escape mechanism according to the invention during the disengagement phase
- FIGS. 10, 11 and 12 illustrate enlargements A, B and C of the exhaust mechanism of FIG. 9,
- FIG. 13 illustrates the escape mechanism according to the invention during a first impulse phase
- FIGS. 14, 15 and 16 illustrate enlargements A, B and C of the exhaust mechanism of FIG. 13,
- FIG. 17 illustrates the escapement mechanism according to the invention during a second pulse phase
- FIGS. 18 and 19 illustrate enlargements A and C of the exhaust mechanism of FIG. 17,
- FIG. 20 illustrates the escape mechanism according to the invention during a second resting phase
- FIGS. 21 and 22 illustrate enlargements A and C of the exhaust mechanism of FIG. 20,
- FIG. 23 illustrates another embodiment of the escape mechanism according to the invention in the second pulse phase
- FIG. 24 represents an alternative embodiment of the exhaust mechanism according to the invention in the rest phase
- Fig. 25 shows an enlargement A of the exhaust mechanism of Fig. 24.
- Figure 1 shows an embodiment of an exhaust mechanism according to the invention in a first rest phase.
- the escape mechanism comprises an escape wheel 1 rotating in a direction R about an axis 1a and an escapement anchor 2.
- the escape wheel 1 advantageously comprises an odd number of teeth. This number is for example equal to 7 or 1 1.
- the exhaust anchor 2 comprises a body 2a provided with two pallets of rest 3, 3 'and two impulse pallets 4, 4'.
- the exhaust anchor 2 also comprises a rod 2b ending in a fork 5.
- the exhaust mechanism also comprises a plate 6 provided with a pin 7 at its periphery.
- the plate 6 is pivoted in reciprocating motion about a pivot axis 8.
- the body 2a is a substantially annular piece comprising two substantially rectilinear central portions 9 and a substantially circular portion 10 at the ends of said central portions, thus defining a geometric shape of an interior space 1 1 having by for example, a major axis coinciding or parallel with a direction of translation T passing through the center of the escape wheel 1 and the zone of cooperation between the fork 5 and the ankle 7.
- Each of the pallets of rest 3, 3 'and each of the impulse pallets are advantageously arranged in a transition zone between a substantially rectilinear central portion 9 and a substantially circular portion 10.
- the impulse pallets are arranged on the substantially rectilinear central portions 9 and the pallets of rest are arranged on the substantially circular portions 10.
- the body 2a has a shape to define the inner space 1 1 in which is arranged the escape wheel 1.
- the two pallets of rest 3, 3 'and the two impulse pallets 4, 4' are projecting into the interior space 1 1.
- the plate 6 and the fork 5 are arranged relative to each other so as to impart to the exhaust anchor 2, when the pin 7 cooperates with the fork 5, an alternating movement in translation according to the direction T.
- the fork 5 is arranged for example at the end of the rod 2b extending substantially in a direction parallel to the direction of translation T.
- the fork 5 comprises input horns 5a and 5b output extending orthogonally to said translation direction T.
- the pivot axis 8 of the plate 6 is advantageously offset relative to the translation direction T of the body 2a passing through the center 1a of the escape wheel 1.
- the fork 5 is shifted in an opposite direction by relative to said translation direction T of the body 2a passing through the center 1a of said escapement wheel 1, so that the pin 7 has reciprocating movement in rotation and cooperates with the input horns 5a and 5b output.
- the fork 5 can be placed on the anchor 2 at any other location. The positioning of the plate 6 would then be adapted accordingly.
- the escape wheel 1 comprises for example seven teeth 12, an exemplary embodiment of which is illustrated in an enlarged manner in FIG. 2.
- Each tooth 12 has an end bent in the direction identical to the direction of rotation R.
- the end bent has a spout 13 and a pulse plane 14.
- the rest pallets 3 and 3 ' each comprise, starting from the free end, a pulse nozzle 15, an impulse plane. 16, a rest spout 17, a rest plane 18 and a return plane 19.
- the impulse pallets 4, 4 ' each comprise, starting from the free end, an impulse nozzle 20, a plane of pulse 21, a first additional plane 22 and a second additional plane 23 so as to define a clearance 24 and have a substantially bent shape.
- the impulse pallets 4,4 ' are bent in a direction opposite to the direction of rotation R of the escape wheel 1.
- the first additional plane 22 connects the impulse plane 21 to the second additional plane 23.
- the impulse pallets 4, 4 'and the rest pallets 3, 3' advantageously have different shapes.
- FIG. 5 represents the exhaust mechanism according to the invention at the beginning of the disengagement phase and FIGS. 6, 7 and 8 illustrate enlargements A, B and C of the exhaust system during this start of release phase.
- the beginning of the disengagement phase corresponds to the entry of the pin 7 of the plate 6, in the range 5 of the escape anchor 2. It will be possible to refer for example to Figure 6.
- the anchor exhaust 2 and the escape wheel 1 are pulled out of the rest position during the disengagement phase.
- the spout 13 of the tooth 12 works on the rest plane 18 of the rest pallet 3, until it reaches the spout 17 of said pallet rest 3.
- the sprung balance delivers sufficient energy to counter, via the exhaust anchor 2, the torque of the escape wheel 1, imparting to said wheel d 1 exhaust, a recoil.
- the other tooth 12 follows without touching the second additional plane 23 of the pulse pallet 4.
- FIG. 9 illustrates the exhaust system according to the invention during the clearance phase and FIGS. 10, 11 and 12 illustrate enlargements A, B and C of the exhaust system during this phase. clearance.
- FIG. 13 illustrates the exhaust system according to the invention during a first impulse phase and FIGS. 14, 15 and 16 illustrate enlargements A, B and C of the exhaust system during this first impulse phase.
- the escape wheel 1 becomes driving and provides the sprung balance, via the anchor exhaust 2 and the plate 6, the energy required to maintain oscillations. This energy is of course greater than that taken during the disengagement phase.
- the spout 13 of the tooth 12 acts on the pulse plane 16 of the pallet rest 3.
- FIG. 17 illustrates the exhaust system according to the invention during a second impulse phase and FIGS. 18 and 19 illustrate enlargements A and C of the exhaust system during this second phase of the invention. 'impulse.
- the pulse is provided by the pulse plane support 14 of the other tooth 12 on the pulse plane 21 of the pulse pallet 4. see, for example, Figure 19. This support is performed until the spout 13 of the other tooth 12 leaves the pulse pallet 4 at its pulse nozzle 20.
- Figures 17 and 18 also illustrate the cooperation between the ankle 7 and the fork 5.
- FIG. 20 illustrates the exhaust mechanism according to the invention during a rest phase and FIGS. 21 and 22 illustrate enlargements A and C of the exhaust system during this second rest phase.
- Figure 23 illustrates another embodiment of the exhaust system according to the invention in the second pulse phase.
- the escape wheel 1 comprises eleven teeth 12.
- the exhaust mechanism according to the invention is advantageously integrated into a timepiece, such as wristwatch or other type.
- the body 2a has straight sectors 2c promoting the guidance and sliding of the exhaust anchor 2 on integral supports of the frame of a timepiece, a box or a platinum.
- the exhaust mechanism therefore comprises sliding guide means of the body 2a, arranged to cooperate with integral support elements of a frame of a timepiece.
- the timepiece comprises for example support elements integral with the frame arranged to cooperate with sliding guide means of the body 2a during its reciprocating movements in translation.
- the positioning by shoulder can be replaced by a positioning mode by fixed stops 2d and 2e integral with the plate and against which anchor exhaust 2 comes to rest in the rest position.
- the rest plane 18 would be extended in replacement of a return plane.
- the precise positioning of the anchor 2 is then provided by the abutments 2d, 2e and not by the spout 13 disposed at the intersection of a return plane and a rest plane.
- FIGS. 24 and 25 reference may be made to FIGS. 24 and 25.
- the escape mechanism according to the invention comprises an anti-rollover system.
- the fork 5 comprises a dart, not shown, intended to cooperate with a notch of a small plate, not shown, integral with the plate 6.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Micromachines (AREA)
- Transmission Devices (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/367,383 US9164483B2 (en) | 2011-12-21 | 2012-12-11 | Escapement mechanism |
JP2014547846A JP6212049B2 (ja) | 2011-12-21 | 2012-12-11 | 脱進機構 |
CN201280064176.2A CN104011608B (zh) | 2011-12-21 | 2012-12-11 | 擒纵机构 |
HK15101686.0A HK1201339A1 (en) | 2011-12-21 | 2015-02-13 | Escapement mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11194941.8A EP2607968B1 (fr) | 2011-12-21 | 2011-12-21 | Mécanisme d'échappement |
EP11194941.8 | 2011-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013092316A1 true WO2013092316A1 (fr) | 2013-06-27 |
Family
ID=47435924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/075118 WO2013092316A1 (fr) | 2011-12-21 | 2012-12-11 | Mecanisme d'echappement |
Country Status (6)
Country | Link |
---|---|
US (1) | US9164483B2 (fr) |
EP (1) | EP2607968B1 (fr) |
JP (1) | JP6212049B2 (fr) |
CN (1) | CN104011608B (fr) |
HK (1) | HK1201339A1 (fr) |
WO (1) | WO2013092316A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2629168C1 (ru) * | 2013-12-23 | 2017-08-24 | Эта Са Мануфактюр Орложэр Сюис | Механизм синхронизации часов |
US9651920B2 (en) * | 2013-12-23 | 2017-05-16 | Nivarox-Far S.A. | Magnetic and/or electrostatic resonator |
EP3032352A1 (fr) * | 2014-12-09 | 2016-06-15 | LVMH Swiss Manufactures SA | Régulateur de pièce d'horlogerie, mouvement d'horlogerie et pièce d'horlogerie comportant un tel régulateur |
CH713143A1 (fr) * | 2016-11-17 | 2018-05-31 | Richemont Int Sa | Échappement pour pièce d'horlogerie. |
CN110892339B (zh) * | 2017-04-18 | 2021-05-25 | 百达翡丽日内瓦公司 | 钟表机构 |
WO2019092665A1 (fr) | 2017-11-10 | 2019-05-16 | Patek Philippe Sa Geneve | Ensemble horloger comprenant un composant horloger et un dispositif pour le guidage en translation d'un element mobile |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB682566A (en) * | 1951-01-25 | 1952-11-12 | Ole Kaada | Improvements in or relating to lever escapements |
GB991708A (en) * | 1960-09-17 | 1965-05-12 | Lip Sa | Improvements in or relating to clockwork escapement mechanisms |
US3992954A (en) * | 1975-06-02 | 1976-11-23 | Leo Kull | Motion translating mechanism for indexing and escapement drives |
EP1967919A1 (fr) | 2007-03-09 | 2008-09-10 | ETA SA Manufacture Horlogère Suisse | Echappement à impulsions tangentielles |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US22791A (en) * | 1859-02-01 | Escapement foe timekeepers | ||
US1895666A (en) * | 1931-05-22 | 1933-01-31 | Junghans Helmut | Anchor escapement for clocks and the like |
US2907167A (en) * | 1956-10-10 | 1959-10-06 | Charles R Olsen | Clock mechanism |
US3538705A (en) * | 1968-11-07 | 1970-11-10 | Hamilton Watch Co | Escapement |
US3704582A (en) * | 1970-10-15 | 1972-12-05 | Timex Corp | Indexing mechanism for horological instrument |
CH1020375A4 (fr) * | 1975-08-05 | 1977-06-30 | ||
EP1538490B1 (fr) * | 2003-12-04 | 2007-05-30 | Montres Breguet S.A. | Echappement à détente pour montre-bracelet |
EP1580625A1 (fr) * | 2004-03-23 | 2005-09-28 | Asulab S.A. | Dispositif et procédé de fixation d'une levée sur une ancre d'un échappement d'un mouvement d'horlogerie |
DE602007004446D1 (de) * | 2007-04-18 | 2010-03-11 | Eta Sa Mft Horlogere Suisse | Direktimpulshemmung für Uhren |
CH705276B1 (fr) * | 2007-12-28 | 2013-01-31 | Chopard Technologies Sa | Organe d'entraînement et de transmission pour un échappement à ancre, plateau et échappement en étant équipés, et pièce d'horlogerie les comportant. |
-
2011
- 2011-12-21 EP EP11194941.8A patent/EP2607968B1/fr active Active
-
2012
- 2012-12-11 JP JP2014547846A patent/JP6212049B2/ja active Active
- 2012-12-11 CN CN201280064176.2A patent/CN104011608B/zh active Active
- 2012-12-11 WO PCT/EP2012/075118 patent/WO2013092316A1/fr active Application Filing
- 2012-12-11 US US14/367,383 patent/US9164483B2/en active Active
-
2015
- 2015-02-13 HK HK15101686.0A patent/HK1201339A1/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB682566A (en) * | 1951-01-25 | 1952-11-12 | Ole Kaada | Improvements in or relating to lever escapements |
GB991708A (en) * | 1960-09-17 | 1965-05-12 | Lip Sa | Improvements in or relating to clockwork escapement mechanisms |
US3992954A (en) * | 1975-06-02 | 1976-11-23 | Leo Kull | Motion translating mechanism for indexing and escapement drives |
EP1967919A1 (fr) | 2007-03-09 | 2008-09-10 | ETA SA Manufacture Horlogère Suisse | Echappement à impulsions tangentielles |
Also Published As
Publication number | Publication date |
---|---|
US20150220060A1 (en) | 2015-08-06 |
HK1201339A1 (en) | 2015-08-28 |
EP2607968A1 (fr) | 2013-06-26 |
CN104011608B (zh) | 2016-08-24 |
CN104011608A (zh) | 2014-08-27 |
JP6212049B2 (ja) | 2017-10-11 |
JP2015502546A (ja) | 2015-01-22 |
EP2607968B1 (fr) | 2014-10-08 |
US9164483B2 (en) | 2015-10-20 |
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