EP0498212A1 - Drückermechanismus für Uhren - Google Patents
Drückermechanismus für Uhren Download PDFInfo
- Publication number
- EP0498212A1 EP0498212A1 EP92100973A EP92100973A EP0498212A1 EP 0498212 A1 EP0498212 A1 EP 0498212A1 EP 92100973 A EP92100973 A EP 92100973A EP 92100973 A EP92100973 A EP 92100973A EP 0498212 A1 EP0498212 A1 EP 0498212A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- mechanism according
- spout
- watch
- pusher
- 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 description 39
- 210000003323 beak Anatomy 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Images
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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
- G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
-
- 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
- G04C3/001—Electromechanical switches for setting or display
Definitions
- the push-piece mechanisms for known timepieces are generally of two types, some more particularly used in mechanical watches which mechanically control a function, chronograph, time-setting, quick setting, etc., and the others which are used in electronic watches that activate an electrical contact.
- the first type of mechanism for mechanical watches comprises, in addition to the pusher and its rod, at least one lever articulated on a plate or a bridge, one end of which is subjected to the action of a return spring while the another cooperates with the member to be actuated.
- the scale itself is made of at least two parts articulated one on the other.
- Mechanisms of the second type generally comprise a push rod subjected to the action of a return spring disposed concentrically with this rod and actuates an electrical contact.
- This type of mechanism has two disadvantages, firstly the seal between the box watch and the pusher is difficult to produce due to the presence of the return spring and on the other hand, the fact that there is no "click" at the end of the pusher stroke thus indicating that the desired function is well executed.
- Document EP-B1-0.240.778 also discloses a pusher mechanism comprising a planar spring, having the general shape of a hairpin of branches of unequal length, guided and positioned on the movement plate by several stops or pins to be able to bend and that at least one of its branches can slide relative to this plate.
- This spring comprises near the end of its short branch a support member cooperating with a second support member carried by the middle part of the other branch, long, the end of which actuates a contact.
- the subject of the present invention is a pusher mechanism for a mechanical or electronic timepiece tending to obviate the drawbacks of the existing mechanisms allowing easy positioning of the spring, a small footprint, great security and great operating precision as well as an easy assembly requiring neither precision nor qualified manpower and being distinguished by the characteristics stated in claim 1.
- the attached drawing illustrates schematically and by way of example a particular embodiment of the pusher mechanism according to the invention.
- FIG. 1 illustrates a timepiece provided with two pushers.
- Figures 2 and 3 are plan views, on a larger scale of the pusher mechanism in the rest position, retracted respectively active, depressed.
- FIG. 1 illustrates a timepiece, for example a chronograph, comprising a box 1 provided with two pushers 2,3 capable of actuating an electrical contact in the case of an electronic quartz watch or mechanically causing actuation of an organ for controlling a determined function in a mechanical movement.
- the illustrated mechanism is mounted in a housing 4 formed in the middle part 5 of the watch case 1 and opening onto its peripheral surface as well as on its upper face 5a in contact with the lower face of the bezel 6.
- This mechanism comprises a pusher or push rod 7 mounted on the middle 5 radially and slidingly.
- this assembly is obtained using pins 8, 9 fixed in the middle and engaged in slots 10, 11 of the push rod 7.
- a stop 12 constituted by a finger fixed in the middle is also engaged in the slot 10 determines the rest or retracted position of this push rod 7.
- the pusher may include a conventional cylindrical rod sliding in an element of the watch case.
- the judgment determining the rest position of the pusher can be carried by the box in a known manner.
- any known sealing device can be used to make a seal between the middle part 5, the bezel 6 and the stem of the pusher 7.
- This mechanism also includes a spring 13 also disposed in the housing 4 of the middle part 5 bearing against the bottom of this housing and against the end of the push rod 7.
- This spring 13 is contained in a plane and seen from above presents a shape closed on itself, one of its ends 14, in contact with the push rod 7 having a rounded tip or spout 19 cooperating with the edge of its other end 15.
- This end 15 of the spring constitutes a cam having two travel end stops 16,17 and two recesses 18,19a separated by a lift 20.
- the spring 13 rests against the bottom of the housing 4 of the middle part 5 at two points 21, 22, it is moreover positioned by a cylindrical stop 23 secured to the middle part intended to cooperate with certain parts 24, 25 of the internal edge of the spring 13 located between the support points 21, 22 respectively between the support point 22 and the end 14 of the spring.
- the spring 13 and the cylindrical stop 23 can be placed in a housing which would be practiced in the movement itself, that is to say a bridge or a plate of this movement or in a circle d 'casing.
- the pusher 7 remains mounted in the case, the middle part or a bezel.
- the essential elements of the mechanism, pusher 7 and spring 13, remain identical to those described above and cooperate in the same way but are mounted on different elements of the watch.
- This operation very exactly simulates the action of a traditional mechanical pusher and presents a "click" indicating to the user that the function is well executed.
- the end 14 of the spring carries one of the contacts of a switch (not shown), the other of which is on its way fixed on a bridge or a plate. During the stroke of the end 14 of the spring, the switch is closed and controls the desired function.
- the end 14 or 15 of the spring can control a mechanical function.
- the cross section of the spring 13 is rectangular, it could in variants be square, round or any other shape.
- the shape seen in plan of the spring 13 can vary, the important thing is that its free ends cooperate with each other to obtain the desired goal.
- the holding in position of this spring 13 by the central stop 23 could also be obtained differently, by means of several stops or other organs.
- the important thing is that the spring 13 can be put in place by simple fitting without any adjustment or fixing operation.
- the shapes of the housing 4 and the push rod 7 can be modified at will without affecting the design and operation of the mechanism.
- the spring 13 is preferably inscribed in a rectangle and in the rest state (FIG. 2) the two sides carrying the free ends of the spring touch this rectangle at one point while the other two sides touch it at two points.
- the exact shape and dimensions of the spring 13 depend in particular on the operating force desired for the plunger which must be as close as possible to that of the existing mechanical plungers.
- the material in which the spring 13 is made is made of spring steel, for example of the "Durmico" type commonly used in this sector.
- the dimensions of the rectangle circumscribed by the spring 13 are of the order of 3.5 mm by 2.5 mm, its thickness and its average width of the order of some tenth of a millimeter. Despite the very small dimensions of this spring, its reliability is very high and it can withstand tens of thousands of actuations at least.
- the pusher mechanism or mechanism actuated by the pusher consists of a single piece, the spring. In any case, whatever the embodiment of this mechanism, it always has only one moving part, the spring 13.
- This mechanism is thus simple, inexpensive, easy and immediate assembly, very reliable and requiring no adjustment. It can also be mounted on the watch case, on the casing ring or on the watch movement, which makes it easy for the designer of a caliber to use.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Push-Button Switches (AREA)
- Electromechanical Clocks (AREA)
- Forging (AREA)
- Adornments (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH344/91A CH681189B5 (de) | 1991-02-05 | 1991-02-05 | |
CH344/91 | 1991-11-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0498212A1 true EP0498212A1 (de) | 1992-08-12 |
EP0498212B1 EP0498212B1 (de) | 1995-08-02 |
Family
ID=4184877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92100973A Expired - Lifetime EP0498212B1 (de) | 1991-02-05 | 1992-01-22 | Drückermechanismus für Uhren |
Country Status (5)
Country | Link |
---|---|
US (1) | US5172351A (de) |
EP (1) | EP0498212B1 (de) |
JP (1) | JPH06105575B2 (de) |
CH (1) | CH681189B5 (de) |
DE (2) | DE69203738T2 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2565726A2 (de) | 2011-09-05 | 2013-03-06 | Richemont International S.A. | Steuerungsvorrichtung für Uhren |
CN104011607A (zh) * | 2011-12-27 | 2014-08-27 | 劳力士有限公司 | 用于钟表机芯的游丝 |
NL2023823B1 (en) * | 2019-09-12 | 2021-05-17 | Flexous Mech Ip B V | Watch |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013102598A2 (fr) | 2011-12-27 | 2013-07-11 | Rolex S.A. | Ressort pour mouvement horloger |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0240778A1 (de) * | 1986-04-09 | 1987-10-14 | Eta SA Fabriques d'Ebauches | Drückermechanismus für Uhren |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5235314B1 (de) * | 1971-07-12 | 1977-09-08 | ||
JPS55119324A (en) * | 1979-03-06 | 1980-09-13 | Suwa Seikosha Kk | Switching structure for watch |
JPS618396Y2 (de) * | 1980-06-06 | 1986-03-14 | ||
JPS57124273A (en) * | 1981-01-23 | 1982-08-03 | Seiko Instr & Electronics Ltd | Switching and correcting mechanism for winding stem of timepiece |
CH645235GA3 (de) * | 1981-04-23 | 1984-09-28 | ||
CH648984GA3 (de) * | 1983-05-05 | 1985-04-30 | ||
EP0274550A1 (de) * | 1987-01-10 | 1988-07-20 | Pforzheimer Uhren-Rohwerke PORTA GmbH & Co. | Vorrichtung zur axialen Spielbegrenzung des Zeigerwerks einer Kleinuhr |
-
1991
- 1991-02-05 CH CH344/91A patent/CH681189B5/fr unknown
-
1992
- 1992-01-22 DE DE69203738T patent/DE69203738T2/de not_active Expired - Fee Related
- 1992-01-22 EP EP92100973A patent/EP0498212B1/de not_active Expired - Lifetime
- 1992-01-22 DE DE199292100973T patent/DE498212T1/de active Pending
- 1992-01-29 US US07/827,418 patent/US5172351A/en not_active Expired - Fee Related
- 1992-02-04 JP JP4047657A patent/JPH06105575B2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0240778A1 (de) * | 1986-04-09 | 1987-10-14 | Eta SA Fabriques d'Ebauches | Drückermechanismus für Uhren |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2565726A2 (de) | 2011-09-05 | 2013-03-06 | Richemont International S.A. | Steuerungsvorrichtung für Uhren |
CN104011607A (zh) * | 2011-12-27 | 2014-08-27 | 劳力士有限公司 | 用于钟表机芯的游丝 |
NL2023823B1 (en) * | 2019-09-12 | 2021-05-17 | Flexous Mech Ip B V | Watch |
Also Published As
Publication number | Publication date |
---|---|
DE69203738T2 (de) | 1996-02-22 |
EP0498212B1 (de) | 1995-08-02 |
US5172351A (en) | 1992-12-15 |
JPH05114330A (ja) | 1993-05-07 |
CH681189GA3 (de) | 1993-02-15 |
JPH06105575B2 (ja) | 1994-12-21 |
DE498212T1 (de) | 1993-07-08 |
DE69203738D1 (de) | 1995-09-07 |
CH681189B5 (de) | 1993-08-13 |
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