EP0392307B1 - Bouton poussoir, notamment pour boîte de montre - Google Patents

Bouton poussoir, notamment pour boîte de montre Download PDF

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Publication number
EP0392307B1
EP0392307B1 EP90106258A EP90106258A EP0392307B1 EP 0392307 B1 EP0392307 B1 EP 0392307B1 EP 90106258 A EP90106258 A EP 90106258A EP 90106258 A EP90106258 A EP 90106258A EP 0392307 B1 EP0392307 B1 EP 0392307B1
Authority
EP
European Patent Office
Prior art keywords
wall
push
stem
button according
hole
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
EP90106258A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0392307A1 (fr
Inventor
Laurent Kaelin
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 SA Manufacture Horlogere Suisse
Original Assignee
Eta SA Fabriques dEbauches
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 SA Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Priority to AT90106258T priority Critical patent/ATE78111T1/de
Publication of EP0392307A1 publication Critical patent/EP0392307A1/fr
Application granted granted Critical
Publication of EP0392307B1 publication Critical patent/EP0392307B1/fr
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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases
    • 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
    • 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 invention relates to a push button mounted in a wall for the transmission of a mechanical force through the wall, the latter possibly in particular being the wall of a watch case.
  • This push button comprises a three-part rod, a return spring, and a seal placed directly in a hole in a wall of a support receiving the push button.
  • the hole opens inside the support by a constriction.
  • the internal part of the rod passes through this constriction and ends in a flange with a cylindrical external surface having a diameter substantially greater than the diameter of the constriction, and this internal part is split axially. So when the rod is inserted into the hole in the wall, the inner part with its flange deforms radially by elastic pinching in the passage of the throttle, after which it returns to its initial shape, the flange ensuring axial retention of the rod.
  • machining of such a slot may form burrs which can hinder the establishment of the rod so that it is necessary to provide an additional deburring operation.
  • the object of the invention is therefore to remedy the drawbacks of the above-mentioned prior art and to provide a push button which is simple to produce and easy to assemble.
  • the subject of the invention is a push button mounted in a wall to trigger an action on a first side of the wall from a second side thereof, the wall possibly being that of a watch case, said wall having a hole having at least a first portion of a first diameter opening out from said first side and extending over a limited length to define a neck and a second portion of a second diameter greater than the first diameter and emerging from said second side, said push button comprising a rod ending on the first side of the wall by a bead and means for returning the rod to a rest position.
  • the wall is made of a synthetic material
  • the neck is elastically deformable and the bead of the rod is non-deformable, and has an intermediate diameter between the first and second diameters of the hole so that when the rod is introduced in the hole in the wall, the bead elastically deforms the neck which, after the passage of the bead returns to its initial shape, thus ensuring axial positioning of the rod in the wall.
  • the bead of the rod is connected via a part of rod of small diameter to another part of rod adjusted to slip in the second portion of the hole to ensure the guidance of the rod in the wall.
  • This watch case includes a middle part 2 which comes in one piece with the box.
  • the wall of the middle part 2 is provided with a hole 3 opening into the interior of the case.
  • This hole 3 comprises a first portion 4 having a first diameter D1 which opens directly inside the box, and a second portion 5 having a second diameter D2 greater than the first and opening out of the box.
  • the middle part 2 is provided with a push button 6 allowing the transmission of a mechanical force from the outside of the box to the inside, for example for actuating a contact C for controlling the display of a information such as date or the like.
  • This push button essentially comprises a rod 7, a crown 8, a return spring 9 for bringing back the push button in a rest position (shown in the figure) and a seal 10.
  • the middle part is made of synthetic material, and preferably the material used has a structure having a wide area of elastic deformation.
  • the material used has a structure having a wide area of elastic deformation.
  • amorphous type synthetic materials and more particularly the family of acryl butadiene styrene commonly referred to as ABS.
  • the first portion 4 of the hole 3 extends over a limited length L and defines a neck 11.
  • the rod 7 comprises an intermediate portion 12 which is solid and non-deformable ending in a bead 13 having a larger diameter. to the diameter D1 of the first portion 4 of the hole 3 and less than the diameter D2 of the second portion 5.
  • the intermediate portion 12 has a diameter D3 less than the diameter D1 of the first portion 4.
  • the bead 13 exerts pressure on the neck 11 so that it deforms it elastically and allows it to pass, after which the neck returns to its original shape while ensuring axial positioning of the rod.
  • the limited length of the first portion 4 defining the neck is chosen as a function of the diameter of the latter and preferably the ratio L / D1 will be between 0.3 and 0.4.
  • the intermediate part 12 of the rod 7 is connected to a part of the rod 14 slidingly adjusted on the second portion 5 of the hole 3 to ensure correct guidance of the rod 7 and therefore of the button push in the middle.
  • This rod portion 14 comprises an annular housing 15 which receives the seal 10 of the "O ring" type in the example shown. It should be noted that in this embodiment, and advantageously the seal is not subjected to compression stresses as is the case in the aforementioned prior art where it is interposed between two movable elements and where it participates in the transmission of the force on the button. It therefore follows that its life is significantly increased.
  • the bead 13 will be produced with a diameter identical to that of the part of the rod 14 serving for guiding.
  • the middle part 2 further comprises an annular groove 16 centered on the hole 3.
  • This groove 16 partially receives the crown 8 in the rest state, in order to prevent the crown from being extracted from its housing and consequently that the pusher 6 is detached from the middle part 2 in the case of untimely application of a force applied to the base of the crown 8.
  • the bottom 17 of the groove 16 defines a bearing surface for one end 18 of the return spring 9.
  • the opposite end 19 of the latter bears against the bottom 20 of an annular groove 21 formed in the crown 8 defining an annular skirt and thus forming a housing for receiving the return spring.
  • the crown 8 is driven out on an end piece 22 of the rod 7 and it is supported on a flange 23 defining a shoulder 24.
  • the crown and the rod can be produced in one piece to reduce the number of pieces in the set.
  • the invention is not limited to the application of the push button to a watch case. It can, in fact, advantageously find application in all cases where a mechanical force must be transmitted through a wall of synthetic material by a push button.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Push-Button Switches (AREA)
  • Switches With Compound Operations (AREA)
EP90106258A 1989-04-12 1990-04-02 Bouton poussoir, notamment pour boîte de montre Expired - Lifetime EP0392307B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90106258T ATE78111T1 (de) 1989-04-12 1990-04-02 Druckknopf, insbesondere fuer uhrengehaeuse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1377/89 1989-04-12
CH1377/89A CH675811B5 (it) 1989-04-12 1989-04-12

Publications (2)

Publication Number Publication Date
EP0392307A1 EP0392307A1 (fr) 1990-10-17
EP0392307B1 true EP0392307B1 (fr) 1992-07-08

Family

ID=4209002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106258A Expired - Lifetime EP0392307B1 (fr) 1989-04-12 1990-04-02 Bouton poussoir, notamment pour boîte de montre

Country Status (11)

Country Link
US (1) US5043958A (it)
EP (1) EP0392307B1 (it)
JP (1) JP3167704B2 (it)
KR (1) KR0163046B1 (it)
CN (1) CN1020244C (it)
AT (1) ATE78111T1 (it)
AU (1) AU629772B2 (it)
CA (1) CA2014371C (it)
CH (1) CH675811B5 (it)
DE (1) DE69000180T2 (it)
HK (1) HK208496A (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69226682T2 (de) * 1991-06-28 1999-02-04 Canon Kk Bilderzeugungsgerät mit Auflade-Element
CH688495B5 (fr) * 1995-09-04 1998-04-30 Smh Management Services Ag Pièce d'horlogerie comportant un mécanisme de commande à tige et à tirette.
KR19990088020A (ko) * 1998-05-13 1999-12-27 에따 쏘시에떼 아노님 파브리끄 데보슈 시계,특히크로노그래프의누름단추
EP0957415A1 (fr) * 1998-05-14 1999-11-17 Eta SA Fabriques d'Ebauches Dispositif de poussoir pour pièce d'horlogerie, notamment chronographe
EP1345095B1 (en) * 2002-03-14 2008-05-07 Seiko Epson Corporation Push button structure
JP4506218B2 (ja) * 2003-03-31 2010-07-21 セイコーエプソン株式会社 ボタン構造、およびこれを備えた携帯機器
ATE332022T1 (de) * 2003-09-23 2006-07-15 Asulab Sa Tragbares elektronisches gerät mit zumindest einer angepassten eingangs/ausgangsanschlussklemme zur kommunikation mit einer elektronischen einheit in diesem gerät
USD614338S1 (en) 2009-07-14 2010-04-20 Abl Ip Holding Llc Light fixture
USD611642S1 (en) 2009-07-14 2010-03-09 Abl Ip Holding Llc Light fixture
FR2949265B1 (fr) * 2009-08-19 2011-08-19 G Et F Chatelain S A Dispositif manuel de reglage et/ou de commande d'une fonction d'une piece d'horlogerie
US8439559B2 (en) * 2010-03-23 2013-05-14 Bright Aggregation Technology Limited Timepiece with multi-functional actuator
KR101353749B1 (ko) * 2010-07-23 2014-01-21 신에츠 폴리머 가부시키가이샤 누름버튼 스위치의 제조방법
KR101045612B1 (ko) 2010-12-13 2011-07-01 주식회사 대산엔지니어링 압력용기에 장착되는 누름 버튼
JP6048176B2 (ja) * 2013-02-01 2016-12-21 カシオ計算機株式会社 押釦装置および時計
JP6057771B2 (ja) * 2013-02-20 2017-01-11 セイコーインスツル株式会社 携帯機器及び携帯時計
EP3185079B1 (fr) 2015-12-21 2019-08-21 ETA SA Manufacture Horlogère Suisse Dispositif de bouton-poussoir pour une montre-bracelet électronique ou électromécanique
JP7211061B2 (ja) * 2018-12-19 2023-01-24 カシオ計算機株式会社 押釦装置及び時計
EP3742235B1 (fr) * 2019-05-23 2022-01-26 Meco S.A. Systeme de bouton-poussoir, et piece d'horlogerie le comprenant
EP3805873B1 (fr) * 2019-10-09 2023-12-06 Meco S.A. Couronne vissee orientable
EP3805869A1 (fr) * 2019-10-09 2021-04-14 Meco S.A. Couronne vissée
CN112716119B (zh) * 2020-12-29 2022-08-26 维沃移动通信有限公司 手表

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH642A (de) * 1889-02-25 1889-06-06 Von Pittler Wilhelm Stick-, Näh- und Stopfmaschine
CH3304A (de) * 1891-03-18 1891-08-31 V Berdux Repetitionsmechanik für Pianinos
CH64275A (de) * 1913-01-06 1914-03-16 Elektro Osmose Mbh Verfahren zur Herstellung einer Palladiumadsorption
CH330476A (de) * 1953-08-29 1958-06-15 Hoechst Ag Verfahren zur Herstellung von aromatischen Kohlenwasserstoffen
CH1885168A4 (it) * 1968-12-18 1970-10-30
FR2325092A1 (fr) * 1975-09-17 1977-04-15 Seikosha Kk Mecanisme de mise a l'heure pour montre ou chronometre
IT1058552B (it) * 1975-10-20 1982-05-10 Pibor Sa Procedimento di montaggio migliora o di un pulsante per pezzo di orologeria
CH609516GA3 (fr) * 1976-02-19 1979-03-15 Ebauches Electroniques Sa Piece d'horlogerie.
FR2344882A1 (fr) * 1976-03-16 1977-10-14 Bouchet Sa Manoel Carrure de montre
FR2420834A1 (fr) * 1978-03-24 1979-10-19 Suisse Horlogerie Poussoir commutateur pour piece d'horlogerie
CH630771B (fr) * 1979-07-04 Boninchi Sa Organe de commande pour montre etanche.
FR2471626A1 (fr) * 1979-12-13 1981-06-19 Suisse Horlogerie Poussoir miniature
DE3309321C2 (de) * 1983-03-16 1985-05-30 IWC International Watch Co AG, Schaffhausen Drucktastenanordnung
DE3861531D1 (de) * 1987-03-23 1991-02-21 Ebauchesfabrik Eta Ag Uhrengehaeuse, einheit zu dessen herstellung und verfahren zum bauen dieser einheit.

Also Published As

Publication number Publication date
CH675811GA3 (it) 1990-11-15
KR900016830A (ko) 1990-11-14
KR0163046B1 (en) 1999-05-01
JP3167704B2 (ja) 2001-05-21
CA2014371A1 (en) 1990-10-13
HK208496A (en) 1996-11-29
ATE78111T1 (de) 1992-07-15
CA2014371C (en) 1999-07-20
JPH02287280A (ja) 1990-11-27
DE69000180T2 (de) 1993-02-11
CN1046396A (zh) 1990-10-24
AU5310790A (en) 1990-10-18
EP0392307A1 (fr) 1990-10-17
US5043958A (en) 1991-08-27
CN1020244C (zh) 1993-04-07
DE69000180D1 (de) 1992-08-13
AU629772B2 (en) 1992-10-08
CH675811B5 (it) 1991-05-15

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