EP0821294B1 - Push-button and method of assembling the same - Google Patents

Push-button and method of assembling the same Download PDF

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Publication number
EP0821294B1
EP0821294B1 EP97111632A EP97111632A EP0821294B1 EP 0821294 B1 EP0821294 B1 EP 0821294B1 EP 97111632 A EP97111632 A EP 97111632A EP 97111632 A EP97111632 A EP 97111632A EP 0821294 B1 EP0821294 B1 EP 0821294B1
Authority
EP
European Patent Office
Prior art keywords
shank
sleeve
push button
ring
stem
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.)
Expired - Lifetime
Application number
EP97111632A
Other languages
German (de)
French (fr)
Other versions
EP0821294A1 (en
Inventor
David Eray
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.)
ETA Manufacture Horlogere Suisse SA
Ebauchesfabrik ETA AG
Original Assignee
ETA Manufacture Horlogere Suisse SA
Ebauchesfabrik ETA AG
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 ETA Manufacture Horlogere Suisse SA, Ebauchesfabrik ETA AG filed Critical ETA Manufacture Horlogere Suisse SA
Publication of EP0821294A1 publication Critical patent/EP0821294A1/en
Application granted granted Critical
Publication of EP0821294B1 publication Critical patent/EP0821294B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/062—Means for preventing the winding stem from being pulled out too far
    • 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
    • G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/106—Hermetic sealing of openings, joints, passages or slits of winding stems of push buttons

Definitions

  • the present invention relates to a push button and an assembly process making it simpler and more economical its realization and its assembly, in particular in a watch case, also making it waterproof the assembly thus produced.
  • the usual method of assembling a pusher which allows a simple press to change the state a mechanical or electronic device of a part watchmaking, involves engaging the push rod from the outside of the box, then screw on its end, from inside the box, an element stop to prevent extraction of the rod and limit the stroke of a return spring.
  • the seal between the push rod and the passage to through the box is provided by one or more seals independent of the pusher device as such.
  • the stop element is formed by a flange positioned around the rod by crimping.
  • the stop element comes from material with the stem whose inner end has a slit providing sufficient elasticity to allow a snap against the internal face of the box.
  • Other latching methods are also proposed using either the elasticity of a collar carried by the rod, as described in the patent CH 610 467, or on the contrary to the elasticity of the neck of the hole opening in the box and allowing the passage in force of the stop element as described in the patent CH 675 811.
  • the watertightness of the watch at the push rod level is provided by a joint that is not directly held or compressed by the stop element and therefore requires an arrangement particular of the rod or of the head of the pusher.
  • the guidance of the rod is not always guaranteed to satisfactorily, especially in devices by snap-in.
  • the invention therefore aims to remedy the disadvantages of previously pusher devices known by providing a building push button simple and easy to assemble.
  • the invention relates to a button pusher for a timepiece comprising a rod, provided with an operating head and sliding in a hole cylindrical formed in the middle of said piece of watchmaking, and a stop means preventing extraction of said rod, characterized in that the rod comprises side of the head an extended cylindrical main body by a tigeron separated from it by a groove intended to receive a seal said tigeron having at its end a annular clearance forming an axial tenon terminated by a annular rim, and in that the stop means comprises a socket fitted between the wall of the hole and the tigeron, of length substantially equal to the tiger, partially closed by a ring with an outside diameter greater than that of the hole and opening substantially equal to diameter of the post, said socket compressing the joint toric and being made integral with the tigeron by riveting of the annular rim of the post of the rod against the ring of the socket.
  • the means for recalling the push button are by example constituted by a spring arranged between a annular recess of the middle or the case and the inner part of the push button head.
  • the push button head can be a part reported on the stem, but also come from material with said rod.
  • the socket held by riveting at the end of the rod therefore allows both to prevent accidental tearing of the push button and exercising controlled compression on the joint to ensure perfect seal.
  • controlling the pressure on the O-ring can be adjusted during assembly in providing one or more on the internal surface of the socket several grooves complementary to annular lips arranged on the tigeron.
  • a case middle 3 of a watch case includes essentially two parts: a rod 10 of revolution around an axis XX, provided on the outside of the middle part 3 an operating head 5, and a socket 20 fixed to the other end of said rod 10, an O-ring 30 being compressed between the two parts to ensure the seal against the wall of the cylindrical hole 2.
  • the rod 10 comprises a main body 11 likewise diameter than hole 2 and a tigeron 13 extending the main body 11 and separated from it by a groove 12 in which the O-ring 30 is partially housed, the distal part of said tigeron 13 comprising a annular clearance 16 forming an axial post 17 of which the end has an annular rim 18.
  • the socket 20, made in one piece consists of of a tubular part 21 having a thickness that is substantially equal to the free space between the internal surface of hole 2 and the outer surface of the tiger 13 and a length substantially equal to that of said tigeron.
  • This part tubular 21 is partially closed at one end by a ring 22 having a thickness substantially the length total of the tenon 17 and the rim 18, an outside diameter greater than that of the hole 2 for passage of the rod, and a opening substantially equal to the diameter of the post 17, said opening being flared outward in the illustrated embodiment.
  • a return spring 6 is positioned in a groove 4 of the middle part
  • the O-ring 30 is placed in the groove 12, it is put in place from outside the middle part the rod 10 and the head 5, possibly preassembled if these elements have not been produced in one piece
  • the socket 20 is fitted from the inside of the box onto the tigeron 13, and then the riveting of the rim 18 on the outer face of the ring 22, which will cause the compression of the O-ring 30 by the end of the tubular part 21 of said sleeve.
  • the stroke of the sleeve 20 and its positioning before riveting can be adjusted, by providing in the internal surface of the sleeve 20 a groove 25 into which a lip 14 carried is snapped by the tigeron 13.
  • a button has been represented. push button which acts indirectly on an order electronic via push button intermediate 8 housed in container 9 of the movement.
  • the skilled person can obviously design other mechanical or electronic control arrangements without depart from the present invention which relates first place the construction of a push button and its process assembly in a watch case.

Description

La présente invention a pour objet un bouton-poussoir et un procédé d'assemblage rendant plus simple et plus économique sa réalisation et son montage, notamment dans une boíte de montre, en rendant également étanche l'assemblage ainsi réalisé.The present invention relates to a push button and an assembly process making it simpler and more economical its realization and its assembly, in particular in a watch case, also making it waterproof the assembly thus produced.

Le procédé usuel d'assemblage d'un poussoir, qui permet par une simple pression de faire changer l'état d'un dispositif mécanique ou électronique d'une pièce d'horlogerie, consiste à engager la tige du poussoir depuis l'extérieur de la boíte, puis à visser sur son extrémité, depuis l'intérieur de la boíte, un élément d'arrêt permettant d'empêcher l'extraction de la tige et de limiter la course d'un ressort de rappel. Généralement, l'étanchéité entre la tige de poussoir et le passage à travers la boíte est assurée par un ou plusieurs joints indépendants du dispositif poussoir en tant que tel.The usual method of assembling a pusher, which allows a simple press to change the state a mechanical or electronic device of a part watchmaking, involves engaging the push rod from the outside of the box, then screw on its end, from inside the box, an element stop to prevent extraction of the rod and limit the stroke of a return spring. Usually, the seal between the push rod and the passage to through the box is provided by one or more seals independent of the pusher device as such.

Pour rendre plus simple une telle construction qui nécessite des usinages et un assemblage dans un espace relativement réduit, divers autres dispositifs ont été proposés.To simplify such a construction which requires machining and assembly in a space relatively small, various other devices have been proposed.

Dans le brevet CH 579 301, l'élément d'arrêt est formé par une collerette positionnée autour de la tige par sertissage. Dans le brevet CH 599 612, l'élément d'arrêt vient de matière avec la tige dont l'extrémité interne présente une fente conférant une élasticité suffisante pour permettre un encliquetage contre la face interne de la boíte. D'autres procédés d'encliquetage sont également proposés en faisant appel soit à l'élasticité d'une collerette portée par la tige, comme décrit dans le brevet CH 610 467, soit au contraire à l'élasticité du col du trou débouchant dans la boíte et permettant le passage en force de l'élément d'arrêt comme décrit dans le brevet CH 675 811. Dans tous les cas l'étanchéité de la boíte de montre au niveau de la tige de poussoir est assurée par un joint qui n'est pas directement maintenu ou comprimé par l'élément d'arrêt et nécessite donc un agencement particulier de la tige ou de la tête du poussoir. En outre, le guidage de la tige n'est pas toujours assuré de façon satisfaisante, notamment dans les dispositifs par encliquetage.In patent CH 579 301, the stop element is formed by a flange positioned around the rod by crimping. In patent CH 599 612, the stop element comes from material with the stem whose inner end has a slit providing sufficient elasticity to allow a snap against the internal face of the box. Other latching methods are also proposed using either the elasticity of a collar carried by the rod, as described in the patent CH 610 467, or on the contrary to the elasticity of the neck of the hole opening in the box and allowing the passage in force of the stop element as described in the patent CH 675 811. In all cases, the watertightness of the watch at the push rod level is provided by a joint that is not directly held or compressed by the stop element and therefore requires an arrangement particular of the rod or of the head of the pusher. In furthermore, the guidance of the rod is not always guaranteed to satisfactorily, especially in devices by snap-in.

L'invention a donc pour but de remédier aux inconvénients des dispositifs avec poussoir antérieurement connus en procurant un bouton poussoir de construction simple et facile à monter.The invention therefore aims to remedy the disadvantages of previously pusher devices known by providing a building push button simple and easy to assemble.

A cet effet l'invention a pour objet un bouton poussoir pour pièce d'horlogerie comportant une tige, pourvue d'une tête de manoeuvre et coulissant dans un trou cylindrique pratiqué dans la carrure de ladite pièce d'horlogerie, et un moyen d'arrêt empêchant l'extraction de ladite tige, caractérisé en ce que la tige comprend du côté de la tête un corps principal cylindrique prolongé par un tigeron séparé de celui-ci par une gorge destinée à recevoir un joint ledit tigeron ayant à son extrémité un dégagement annulaire formant un tenon axial terminé par un rebord annulaire, et en ce que le moyen d'arrêt comprend une douille emboítée entre la paroi du trou et le tigeron, de longueur sensiblement égale au tigeron, partiellement obturée par un anneau de diamètre extérieur supérieur à celui du trou et d'ouverture sensiblement égale au diamètre du tenon, ladite douille comprimant le joint torique et étant rendue solidaire du tigeron par rivetage du rebord annulaire du tenon de la tige contre l'anneau de la douille.To this end the invention relates to a button pusher for a timepiece comprising a rod, provided with an operating head and sliding in a hole cylindrical formed in the middle of said piece of watchmaking, and a stop means preventing extraction of said rod, characterized in that the rod comprises side of the head an extended cylindrical main body by a tigeron separated from it by a groove intended to receive a seal said tigeron having at its end a annular clearance forming an axial tenon terminated by a annular rim, and in that the stop means comprises a socket fitted between the wall of the hole and the tigeron, of length substantially equal to the tiger, partially closed by a ring with an outside diameter greater than that of the hole and opening substantially equal to diameter of the post, said socket compressing the joint toric and being made integral with the tigeron by riveting of the annular rim of the post of the rod against the ring of the socket.

Les moyens de rappel du bouton poussoir sont par exemple constitués par un ressort disposé entre une creusure annulaire de la carrure ou de la boíte et la partie intérieure de la tête du bouton poussoir.The means for recalling the push button are by example constituted by a spring arranged between a annular recess of the middle or the case and the inner part of the push button head.

La tête du bouton poussoir peut être une pièce rapportée sur la tige, mais aussi venir de matière avec ladite tige. The push button head can be a part reported on the stem, but also come from material with said rod.

Selon l'invention, la douille maintenue par rivetage à l'extrémité de la tige permet donc à la fois d'empêcher l'arrachement accidentel du bouton poussoir et d'exercer une compression contrôlée sur le joint afin d'assurer une parfaite étanchéité.According to the invention, the socket held by riveting at the end of the rod therefore allows both to prevent accidental tearing of the push button and exercising controlled compression on the joint to ensure perfect seal.

Selon une variante, le contrôle de la pression sur le joint torique peut être ajusté au moment du montage en prévoyant sur la surface interne de la douille une ou plusieurs rainures complémentaires à des lèvres annulaires disposées sur le tigeron.Alternatively, controlling the pressure on the O-ring can be adjusted during assembly in providing one or more on the internal surface of the socket several grooves complementary to annular lips arranged on the tigeron.

D'autres caractéristiques et avantages de l'invention apparaítront plus clairement à la lecture de la description ci-après, faite en référence aux dessins annexés donnés à titre d'exemples non limitatifs et dans lesquels :

  • la figure 1 est une vue en coupe d'une portion de boíte de montre dans laquelle est monté un dispositif poussoir selon l'invention;
  • la figure 2 est une vue agrandie de l'extrémité du bouton poussoir selon la figure 1, et
  • la figure 3 est une variante du mode de réalisation représenté à la figure 2.
Other characteristics and advantages of the invention will appear more clearly on reading the description below, made with reference to the appended drawings given by way of nonlimiting examples and in which:
  • Figure 1 is a sectional view of a portion of the watch case in which is mounted a pusher device according to the invention;
  • FIG. 2 is an enlarged view of the end of the push button according to FIG. 1, and
  • FIG. 3 is a variant of the embodiment shown in FIG. 2.

En se référant d'abord aux figures 1 et 2 on voit qu'un bouton poussoir 1, monté dans un trou cylindrique 2 d'une carrure 3 d'une boíte de montre comprend essentiellement deux parties : une tige 10 de révolution autour d'un axe XX, pourvue à l'extérieur de la carrure 3 d'une tête de manoeuvre 5, et une douille 20 fixée à l'autre extrémité de ladite tige 10, un joint torique 30 étant comprimé entre les deux parties pour assurer l'étanchéité contre la paroi du trou cylindrique 2.Referring first to Figures 1 and 2 we see a push button 1, mounted in a cylindrical hole 2 a case middle 3 of a watch case includes essentially two parts: a rod 10 of revolution around an axis XX, provided on the outside of the middle part 3 an operating head 5, and a socket 20 fixed to the other end of said rod 10, an O-ring 30 being compressed between the two parts to ensure the seal against the wall of the cylindrical hole 2.

La tige 10 comprend un corps principal 11 de même diamètre que le trou 2 et un tigeron 13 prolongeant le corps principal 11 et séparé de celui-ci par une gorge 12 dans laquelle est partiellement logé le joint torique 30, la partie distale dudit tigeron 13 comprenant un dégagement annulaire 16 formant un tenon axial 17 dont l'extrémité présente un rebord annulaire 18.The rod 10 comprises a main body 11 likewise diameter than hole 2 and a tigeron 13 extending the main body 11 and separated from it by a groove 12 in which the O-ring 30 is partially housed, the distal part of said tigeron 13 comprising a annular clearance 16 forming an axial post 17 of which the end has an annular rim 18.

La douille 20, réalisée en une seule pièce se compose d'une partie tubulaire 21 ayant une épaisseur sensiblement égale à l'espace libre entre la surface interne du trou 2 et la surface externe du tigeron 13 et une longueur sensiblement égale à celle dudit tigeron. Cette partie tubulaire 21 est partiellement obturée à une extrémité par un anneau 22 ayant pour épaisseur sensiblement la longueur totale du tenon 17 et du rebord 18, un diamètre extérieur supérieur à celui du trou 2 de passage de la tige, et une ouverture sensiblement égale au diamètre du tenon 17, ladite ouverture étant évasée vers l'extérieur dans le mode de réalisation représenté.The socket 20, made in one piece consists of of a tubular part 21 having a thickness that is substantially equal to the free space between the internal surface of hole 2 and the outer surface of the tiger 13 and a length substantially equal to that of said tigeron. This part tubular 21 is partially closed at one end by a ring 22 having a thickness substantially the length total of the tenon 17 and the rim 18, an outside diameter greater than that of the hole 2 for passage of the rod, and a opening substantially equal to the diameter of the post 17, said opening being flared outward in the illustrated embodiment.

Comme on le voit sur la figure 1, lorsque la tige 10 et la douille 20 sont assemblées le rebord 18 est rabattu par rivetage sur la partie évasée de l'anneau 22. Selon la présente invention le "rivetage" désigne toute opération permettant de rabattre le rebord 18.As seen in Figure 1, when the rod 10 and the socket 20 are assembled the flange 18 is folded down by riveting on the flared part of the ring 22. According to the present invention "riveting" means any operation allowing the flange 18 to be folded down.

Le procédé particulier mis en oeuvre dépendra donc essentiellement du type de matériau dans lequel la tige aura été réalisée. Dans le cas le plus courant d'une tige en métal, par exemple en acier inoxydable, on effectuera simplement un matage du rebord 18. Dans le cas d'un matériau déformable à chaud, tel qu'un matériau thermoplastique renforcé (fibre de verre ou de carbone), on utilisera par exemple un outil chauffé ayant la même conicité que celle de l'ouverture de l'anneau 22.
Ainsi, pour assembler le bouton poussoir selon l'invention on positionne d'abord un ressort de rappel 6 dans une gorge 4 de la carrure, on place le joint torique 30 dans la gorge 12, on met en place depuis l'extérieur de la carrure la tige 10 et la tête 5, éventuellement préassemblée si ces éléments n'ont pas été réalisés en une seule pièce, puis on emboíte depuis l'intérieur de la boíte la douille 20 sur le tigeron 13, et ensuite on effectue le rivetage du rebord 18 sur la face extérieure de l'anneau 22, ce qui va entraíner la compression du joint torique 30 par l'extrémité de la partie tubulaire 21 de ladite douille. Comme représenté à titre d'exemple à la figure 3, la course de la douille 20 et son positionnement avant rivetage peuvent être ajustés, en prévoyant dans la surface interne de la douille 20 une rainure 25 dans laquelle vient s'encliqueter une lèvre 14 portée par le tigeron 13.The particular process used will therefore depend essentially on the type of material in which the rod has been made. In the most common case of a metal rod, for example stainless steel, simply matting the rim 18. In the case of a hot-deformable material, such as a reinforced thermoplastic material (fiberglass or carbon), a heated tool having the same taper as that of the opening of the ring 22 will be used, for example.
Thus, to assemble the push button according to the invention, first of all a return spring 6 is positioned in a groove 4 of the middle part, the O-ring 30 is placed in the groove 12, it is put in place from outside the middle part the rod 10 and the head 5, possibly preassembled if these elements have not been produced in one piece, then the socket 20 is fitted from the inside of the box onto the tigeron 13, and then the riveting of the rim 18 on the outer face of the ring 22, which will cause the compression of the O-ring 30 by the end of the tubular part 21 of said sleeve. As shown by way of example in FIG. 3, the stroke of the sleeve 20 and its positioning before riveting can be adjusted, by providing in the internal surface of the sleeve 20 a groove 25 into which a lip 14 carried is snapped by the tigeron 13.

En revenant à la figure 1 on a représenté un bouton poussoir qui agit indirectement sur une commande électronique par l'intermédiaire d'un poussoir intermédiaire 8 logé dans le container 9 du mouvement. L'homme de métier peut évidemment concevoir d'autres agencements de commande mécanique ou électronique sans se départir de la présente invention qui concerne en premier lieu la construction d'un bouton poussoir et son procédé d'assemblage dans une boíte de montre.Returning to FIG. 1, a button has been represented. push button which acts indirectly on an order electronic via push button intermediate 8 housed in container 9 of the movement. The skilled person can obviously design other mechanical or electronic control arrangements without depart from the present invention which relates first place the construction of a push button and its process assembly in a watch case.

Claims (4)

  1. Push button for a timepiece comprising a stem (10), provided with a head (5) able to be manipulated and sliding into a cylindrical opening (2) provided in the middle part (3) of said timepiece, and stopping means preventing the extraction of said stem (10), characterized in that the stem (10) comprises, on the head side (5), a main cylindrical body (11) extended by a shank (13) separated from the latter by a groove (12) intended to receive a sealing gasket (30), said shank (13) having at its end an annular recess (16) forming an axial stud (17) ending in an annular rim (18), and in that the stopping means comprise a sleeve (20) inserted, between the wall of the opening (2) and the shank (13), of substantially equal length to the shank (13), partially blocked by a ring (22) of greater external diameter than that of the opening (2) and of substantially equal aperture to the diameter of the stud (17), said sleeve (20) compressing the sealing gasket (30) and being fixed to the shank (13) by riveting of the annular rim (18) against the ring (22) of the sleeve (20).
  2. Push button according to claim 1, characterized in that the opening of the ring (22) is flared outwards.
  3. Push button according to claim 1, characterized in that the internal surface of the sleeve (20) comprises a groove (25) into which a lip (14) of the shank (13) snap fits to allow positioning of the sleeve (20) prior to riveting.
  4. Method for assembling a push button for a timepiece according to claim 1, characterized in that the stem is set in place from the outside of the case, in that the sleeve (20) is inserted from the inside onto the shank (13) and in that the rim (18) is riveted onto the external face of the ring (22).
EP97111632A 1996-07-23 1997-07-09 Push-button and method of assembling the same Expired - Lifetime EP0821294B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9609235 1996-07-23
FR9609235A FR2751765B1 (en) 1996-07-23 1996-07-23 PUSH BUTTON AND ASSEMBLY METHOD THEREOF

Publications (2)

Publication Number Publication Date
EP0821294A1 EP0821294A1 (en) 1998-01-28
EP0821294B1 true EP0821294B1 (en) 2000-10-25

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EP97111632A Expired - Lifetime EP0821294B1 (en) 1996-07-23 1997-07-09 Push-button and method of assembling the same

Country Status (10)

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US (1) US5751668A (en)
EP (1) EP0821294B1 (en)
JP (1) JPH1078487A (en)
KR (1) KR100488058B1 (en)
CN (1) CN1131683C (en)
DE (1) DE69703372T2 (en)
FR (1) FR2751765B1 (en)
HK (1) HK1009071A1 (en)
SG (1) SG60086A1 (en)
TW (1) TW336290B (en)

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IT1058552B (en) * 1975-10-20 1982-05-10 Pibor Sa MOUNTING PROCEDURE IMPROVES OR ONE BUTTON PER PIECE OF CLOCK
JPS598224Y2 (en) * 1979-05-29 1984-03-13 シチズン時計株式会社 pushbutton
JPS5653478A (en) * 1979-10-05 1981-05-13 Seiko Epson Corp Buttoning device for watch
JPH0447678Y2 (en) * 1986-11-19 1992-11-10
CH682874B5 (en) * 1992-02-07 1994-06-15 Smh Management Services Ag Push button for coin diver watches.
FR2751765B1 (en) * 1996-07-23 1998-09-18 Ebauchesfabrik Eta Ag PUSH BUTTON AND ASSEMBLY METHOD THEREOF

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100488058B1 (en) * 1996-07-23 2005-07-28 에타 쏘시에떼 아노님 마누팍투레 홀로게레 스위세 Push button and metod for assembling such push button

Also Published As

Publication number Publication date
SG60086A1 (en) 1999-02-22
CN1174688A (en) 1998-03-04
HK1009071A1 (en) 1999-05-28
US5751668A (en) 1998-05-12
CN1131683C (en) 2003-12-24
JPH1078487A (en) 1998-03-24
KR980010667A (en) 1998-04-30
DE69703372T2 (en) 2001-05-17
TW336290B (en) 1998-07-11
EP0821294A1 (en) 1998-01-28
FR2751765B1 (en) 1998-09-18
KR100488058B1 (en) 2005-07-28
DE69703372D1 (en) 2000-11-30
FR2751765A1 (en) 1998-01-30

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