CN103261975A - Lever, and escapement provided with such a lever - Google Patents
Lever, and escapement provided with such a lever Download PDFInfo
- Publication number
- CN103261975A CN103261975A CN2011800604557A CN201180060455A CN103261975A CN 103261975 A CN103261975 A CN 103261975A CN 2011800604557 A CN2011800604557 A CN 2011800604557A CN 201180060455 A CN201180060455 A CN 201180060455A CN 103261975 A CN103261975 A CN 103261975A
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- China
- Prior art keywords
- lever
- escapement
- fork
- arm
- watt
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Micromachines (AREA)
- Socks And Pantyhose (AREA)
- Mechanical Control Devices (AREA)
- Table Equipment (AREA)
Abstract
The invention relates to an improved lever for a Swiss lever escapement and to an improved escapement, which enable the timing operations to be simplified by doing away with outer banking pins. The lever is made of an integral part, comprising a rod (12) defining a general plane in which the lever (10) lies, and provided, at the free thereof, with a fork (14) for interacting with a balance (17), wherein the lever is extended by two arms (20) on the side opposite that of the fork (14). Each arm (20) comprises: an impulse and rest pallet (22); a stop pallet (26) that is separate from the first lever and protrudes, relative to the arm (20), in said general plane, said stop pallet (26) having, at the end thereof, a convex portion defining a point of contact with an escapement wheel (24).
Description
Technical field
The present invention relates to the mechanical clock field.Relate in particular to a kind of lever and the escapement with this lever for escapement.
Background technology
In the employed different escapements of mechanical clock, most popular now is so-called Switzerland lever escapement.This escapement uses the lever that has fork arm (stick), and this fork arm has escapement lever and safety finger at its movable end, to match with the impulse pin of escapement.In a side relative with escapement lever, the fork arm extension is divided into two arms simultaneously.Each arm comprises the shell that is designed to receive jewel, and the surface of this shell forms supporting surface, and this supporting surface is designed to match with escape wheel, in order to finish the function of escapement.
During locked stage, escape wheel is exerted pressure at lock face, causes the pulling of lever, and it causes the latter to lean against being also referred to as on the spacer pin of stop pin.
The appearance of stop pin makes the setting of lever lock allocation become complicated.In fact, except the point of rotation position of lever and escape wheel, be necessary to consider the position of stop pin.According to the leverage that exists between the contact point between the stop pin and the fork arm, be set in the fork watt and escape wheel between the contact incidence be very important, this makes it more accurate.
The technological level that has occurred at present makes escapement eliminate stop pin becomes possibility.For example, patent document EP1,276,021 propose Promethean escapement, have two levers, and these two levers cooperatively interact, and cooperate with first tooth of escape wheel and the second continuous tooth respectively.The section of escape wheel teeth has suitable shape and each to comprise recessed shock surface, top blocking surface.The originality of this escapement and specificity make its technology teaching to shift and are applied in the existing mechanism that is equipped with Switzerland's lever escapement.
The objective of the invention is to solve this shortcoming, just, when the existence of avoiding stop pin and not changing the escapement each several part, be convenient to the adjusting of escapement.
Summary of the invention
In particular, the present invention relates to a kind of lever of Switzerland's lever escapement made from one-piece machine member, it comprises fork arm, this fork arm limits general plane, described lever is arranged in this general plane, and be equipped with escapement lever matching with escapement at its movable end, and this fork arm extends two arms at the opposite side of escapement lever, wherein each arm comprises:
-advance and locking fork watt,
-the fork watt of stopping, its with the first fork watt-minute from and be positioned in the described general plane outstandingly with respect to arm, the described fork watt of stopping has at its end and limits and the bossing of the contact point of escape wheel.
Advantageously, lever is made by the monocrystalline material, particularly silica-base material.
According to first embodiment, the fork that stops watt be arranged on advance and locking fork watt between.
According to second embodiment, the fork that stops watt is arranged on and advances and locking fork watt either side.
Lever can comprise be connected on the escapement lever or with escapement lever all-in-one-piece safety finger.
For pivot rotaring lever, described lever comprises the structure that allows the assembling balancing shaft.Therefore, lever can also comprise the pivot balancing shaft.
According on the other hand, the present invention relates to a kind of escapement, it comprises above-mentioned escape wheel and lever.Watt be set to match with the first and second consecutive teeth of escape wheel respectively at the propelling of a side of arm and locking fork watt with at the fork that stops of the opposite side of arm, thereby do not having to carry out pulling and barrier functionality under the situation of outside spacer pin.
Escape wheel comprises tooth, and described tooth limits and advances plane and lock plane, and advances and the locking fork watt comprises and to advance plane and lock plane.The lock plane of the propelling of the first arm and locking fork watt is set to match with the lock plane of first tooth of escape wheel, and the propelling plane of consecutive tooth and stopping of described the first arm are pitched and watt cooperate.
Escape wheel and lever are preferably made by the monocrystalline material, and it is silica-base material advantageously.
Description of drawings
Other details of the present invention will more clearly represent by consulting following embodiment with reference to the accompanying drawings, and wherein Fig. 1 and Fig. 2 illustrate two embodiment according to lever of the present invention.
Embodiment
Fig. 1 illustrates first embodiment according to lever 10 of the present invention.It is similar to the lever 10 of Switzerland's lever escapement 10 in the current technological level.Lever 10 comprises fork arm 12, and fork arm 12 has escapement lever 14 at its movable end.Fork arm 12 restriction levers 10 are arranged on general plane wherein.Illustrate to diagram, escapement lever 14 is designed to match with the impulse pin 16 of escapement 17.Escapement lever 14 can be finished by safety finger 18, and this safety finger 18 is designed to cooperate with the little roller bearing of escapement 17.In a side relative with escapement lever 14, fork arm 12 extends and is divided into two arms 20 simultaneously, is arranged in general plane.Therefore, about the global shape of fork arm 12 and arm 20, lever 10 is similar to the conventional lever 10 of conventional lever escapement 10.
According to the present invention, lever 10 further comprises the fork watts 26 that stops, its with advance and locking fork watts 22 separates, and be positioned in the plane that is limited by fork arm 12 and give prominence to respect to arm 20.Preferably, the fork watts 26 of stopping has bossing at its end, and this bossing limits the contact point with escape wheel 24.
More specifically, as shown in Figure 1, be set to match with the first and second consecutive teeth of escape wheel 24 respectively at the propelling of a side of arm 20 and locking fork watts 22 with at the fork watts 26 that stops of the opposite side of arm 20, do not having under the situation of outside spacer pin thus, carrying out the promotion of escapement and the function that stops.The lock plane 22b of the propelling of the first arm 20 and locking fork watts 22 is set to match with the lock plane 24b of first tooth of escape wheel 24, and the propelling plane 24a of consecutive tooth periodically the fork watts 26 that stops of (that is, according to single contact point) and the first arm 20 match.
In first embodiment that Fig. 1 proposes, stop fork watts 26 advance and locking fork watts 22 between.Replacedly, the fork that stops watt is positioned at either side, namely as shown in Figure 2, is positioned at and advances and the outside of locking fork watts 22.In unshowned a kind of alternative embodiment, may have one stop fork watts 26 advance and locking fork watts 22 between, another fork that stops watt is positioned at and advances and the outside of locking fork watts 22.
Advantageously, lever 10 and fork watt are made by the monocrystalline material monolithic, preferably by silicon or silica-base material is whole makes.Safety finger 18 can be connected on the lever or become whole with escapement lever.Escape wheel 24 is also made by the monocrystalline material, preferably by silicon or silica-base material manufacturing, so that the friction condition between optimization escape wheel 24 and the lever 10.
In following alternative embodiment, another dedentition of escape wheel 24 is to the locking of another arm 20 fork watt, and consecutive tooth almost matches with the fork watts 26 that stops of another arm 20 simultaneously.
Can see that particularly advantageously be, stopping under lever 10 and the stop pin 28 discontiguous situations of escape wheel 24 takes place, it is illustrated and only is used for illustration purpose.
For making its pivot, those skilled in the art will select various technology to make lever 10 be equipped with the pivot balancing shaft to become possibility, and it can be installed in the bearing.As example, the technology teaching of possible request for utilization people's application EP09165254.For this reason, lever 10 can have the structure that allows the assembling balancing shaft at its pivoting point place.
Particularly advantageous is that lever 10 according to the present invention can substitute the lever 10 of prior art in the lever escapement 10 of routine.This substitute can be finished under the situation of pivot center of the other parts of escapement or lever 10 not being carried out any modification.Because the elimination of stop pin need not reconstruct especially around the motion of specific escapement, therefore may simplify the setting of escapement function greatly.Replace conventional lever 10 simply with lever 10 according to the present invention and may obtain this result.It should be noted, also can substitute typical lever 10 in crossbar type escapement 10 according to lever 10 of the present invention.
The selection of material also makes the friction of optimizing between lever 10 and the wheel become possibility.It further makes the shape of optimizing lever 10 and its fork watt become possibility.In fact, owing to according to the shape of lever 10 of the present invention, finish stopping of escape wheel 24, do not have corner effect, and do not have must be lubricated groove.What have been noted that is, some fork watts 10 is fluted to stop escape wheel 24, and groove can produce dirt along with the oil ageing that uses.
The vibrations that take place when further, lever 10 according to the present invention stops the optimization escapement become possibility.In fact, with respect to the vibrations that take place between lever 10 and the stop pin, those occur in escape wheel 24 and the fork watt of stopping between vibrations littler leverage 20 takes place.
Claims (14)
1. the lever (10) of Switzerland's lever escapement made from the single piece form, it comprises fork arm (12), described fork arm limits general plane, described lever (10) is arranged in the described general plane, and be equipped with escapement lever (14) to match with escapement (17) at its movable end, and described fork arm extends two arms (20) at the opposite side of described escapement lever (14), and wherein each arm (20) comprises:
-advance and locking fork watt (22),
-fork watt (26) stops, itself and described first the fork watt-minute from, and be positioned in the described general plane and give prominence to respect to described arm (20), the described fork watt (26) that stops has bossing at its end, and described bossing limits the contact point with escape wheel (24).
2. lever according to claim 1 (10) is characterized in that it is made by the monocrystalline material.
3. lever according to claim 2 (10) is characterized in that it is made by silica-base material.
4. according to the described lever of aforementioned arbitrary claim (10), it is characterized in that the described fork watt of stopping is between described propelling and locking fork watt.
5. according to each described lever (10) in the claim 1 to 4, it is characterized in that the described fork that stops watt is positioned at the either side of described propelling and locking fork watt (22).
6. according to each described lever (10) in the claim 1 to 4, it is characterized in that the fork watt (26) that stops is positioned between described propelling and the locking fork watt (22), and another is positioned at the outside of described propelling and locking fork watt (22).
7. according to the described lever of aforementioned arbitrary claim (10), it is characterized in that described lever comprises the safety finger (18) that is connected on the described escapement lever (14).
8. according to the described lever of aforementioned arbitrary claim (10), it is characterized in that described lever comprises the safety finger (18) that becomes integral body with described escapement lever (14).
9. according to the described lever of aforementioned arbitrary claim (10), it is characterized in that described lever comprises the structure that allows the assembling balancing shaft.
10. according to each described lever (10) in the claim 1 to 9, it is characterized in that described lever comprises the pivot balancing shaft.
11. one kind comprises the escapement according to each described escape wheel (24) and lever (10) in the claim 1 to 10, it is characterized in that being set to respectively match with the first and second continuous teeth of described escape wheel (24) at the described propelling of a side of arm (20) and locking fork watt (22) with at the described fork watt (26) that stops of the opposite side of arm (20), therefore promote and barrier functionality not having to carry out under the situation of outside spacer pin.
12. escapement according to claim 11, wherein said escape wheel (24) comprises tooth, described tooth limits and advances plane (24a) and lock plane (24b), and wherein said propelling and locking fork watt (22) comprise propelling plane (22a) and lock plane (22b)
The described lock plane (22b) that it is characterized in that the described propelling of the first arm (20) and locking fork watt (22) is set to match with the described lock plane (24b) of described first tooth of described escape wheel (24), and the described propelling plane (24a) of described consecutive tooth and described the first arm (20) described stopped and pitch watt (26) and match.
13. according to each described escapement in claim 11 and 12, it is characterized in that described escape wheel (24) and described lever (10) made by the monocrystalline material.
14. according to each described escapement in claim 11 and 12, it is characterized in that described escape wheel (24) and described lever (10) made by silica-base material.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10195005.3 | 2010-12-14 | ||
| CH02081/10 | 2010-12-14 | ||
| EP10195005A EP2466395A1 (en) | 2010-12-14 | 2010-12-14 | Pallet and escapement equipped with said pallet |
| CH02081/10A CH704206B1 (en) | 2010-12-14 | 2010-12-14 | Anchor and exhaust provided with such anchor. |
| PCT/EP2011/071322 WO2012079976A1 (en) | 2010-12-14 | 2011-11-29 | Lever, and escapement provided with such a lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103261975A true CN103261975A (en) | 2013-08-21 |
Family
ID=45047817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800604557A Pending CN103261975A (en) | 2010-12-14 | 2011-11-29 | Lever, and escapement provided with such a lever |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2652559B1 (en) |
| JP (1) | JP2013545991A (en) |
| CN (1) | CN103261975A (en) |
| WO (1) | WO2012079976A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319943A (en) * | 2014-07-24 | 2016-02-10 | Eta瑞士钟表制造股份有限公司 | Timepiece brake wheel assembly |
| CN107003640A (en) * | 2014-10-24 | 2017-08-01 | 里奇蒙特国际股份有限公司 | Adjustment means for movement of mechanical clock |
| CN110023846A (en) * | 2016-11-23 | 2019-07-16 | Eta瑞士钟表制造股份有限公司 | The rotary harmonic device with flexible bearing maintained by free escapement |
| CN110794663A (en) * | 2018-08-03 | 2020-02-14 | 精工爱普生株式会社 | Escapement fork, movement, clock |
| CN112567298A (en) * | 2018-07-19 | 2021-03-26 | 沃纳·詹纳 | Multi-cam continuous driving escapement |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3489763B1 (en) * | 2017-11-22 | 2021-06-16 | Nivarox-FAR S.A. | Pallet for watch movement escapement |
| EP3742237A1 (en) * | 2019-05-23 | 2020-11-25 | Nivarox-FAR S.A. | Component, in particular for a timepiece, with a surface topology and manufacturing method thereof |
| EP3786720B1 (en) | 2019-08-27 | 2023-12-13 | Rolex Sa | Clock component for receiving an organ by insertion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US509315A (en) * | 1893-11-21 | Emil klahn | ||
| CH319633A (en) * | 1954-06-26 | 1957-02-28 | F Smith Cecil | Anchor escapement for timepiece |
| US3826076A (en) * | 1972-07-19 | 1974-07-30 | Fab D Assortiments Reunies | Anchor escapement for time-measuring instruments |
| EP2037335A2 (en) * | 2007-09-13 | 2009-03-18 | August Enzler | Anchor for a timepiece escapement |
| FR2928015A1 (en) * | 2008-02-22 | 2009-08-28 | Jean Paul Lenoble | Tangential impulse pallet escapement device for mechanical watch, has escape wheel with teeth, pallet and two spiral-timed balance motors, and forks using driven force on ellipses of large plates in corresponding motors |
Family Cites Families (3)
| 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 |
| CH336007A (en) * | 1957-05-28 | 1959-01-31 | Schartner Heinrich | Anchor escapement for clocks |
| EP1276021B1 (en) | 2001-06-26 | 2008-12-31 | Ulysse Nardin S.A. | Escape for timekeeper |
-
2011
- 2011-11-29 JP JP2013543620A patent/JP2013545991A/en active Pending
- 2011-11-29 CN CN2011800604557A patent/CN103261975A/en active Pending
- 2011-11-29 WO PCT/EP2011/071322 patent/WO2012079976A1/en active Search and Examination
- 2011-11-29 EP EP11788501.2A patent/EP2652559B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US509315A (en) * | 1893-11-21 | Emil klahn | ||
| CH319633A (en) * | 1954-06-26 | 1957-02-28 | F Smith Cecil | Anchor escapement for timepiece |
| US3826076A (en) * | 1972-07-19 | 1974-07-30 | Fab D Assortiments Reunies | Anchor escapement for time-measuring instruments |
| EP2037335A2 (en) * | 2007-09-13 | 2009-03-18 | August Enzler | Anchor for a timepiece escapement |
| FR2928015A1 (en) * | 2008-02-22 | 2009-08-28 | Jean Paul Lenoble | Tangential impulse pallet escapement device for mechanical watch, has escape wheel with teeth, pallet and two spiral-timed balance motors, and forks using driven force on ellipses of large plates in corresponding motors |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319943A (en) * | 2014-07-24 | 2016-02-10 | Eta瑞士钟表制造股份有限公司 | Timepiece brake wheel assembly |
| CN107003640A (en) * | 2014-10-24 | 2017-08-01 | 里奇蒙特国际股份有限公司 | Adjustment means for movement of mechanical clock |
| CN107003640B (en) * | 2014-10-24 | 2019-12-20 | 里奇蒙特国际股份有限公司 | Regulating member for mechanical timepiece movement |
| CN110023846A (en) * | 2016-11-23 | 2019-07-16 | Eta瑞士钟表制造股份有限公司 | The rotary harmonic device with flexible bearing maintained by free escapement |
| US11520289B2 (en) | 2016-11-23 | 2022-12-06 | Eta Sa Manufacture Horlogere Suisse | Rotating resonator with flexure bearing maintained by a detached lever escapement |
| CN112567298A (en) * | 2018-07-19 | 2021-03-26 | 沃纳·詹纳 | Multi-cam continuous driving escapement |
| CN110794663A (en) * | 2018-08-03 | 2020-02-14 | 精工爱普生株式会社 | Escapement fork, movement, clock |
| CN110794663B (en) * | 2018-08-03 | 2022-04-29 | 精工爱普生株式会社 | Escapement fork, movement, clock |
| US11480924B2 (en) | 2018-08-03 | 2022-10-25 | Seiko Epson Corporation | Escape lever, movement, and timepiece |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2652559A1 (en) | 2013-10-23 |
| WO2012079976A1 (en) | 2012-06-21 |
| JP2013545991A (en) | 2013-12-26 |
| EP2652559B1 (en) | 2019-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130821 |