EP0295437A3 - Push-button device - Google Patents

Push-button device Download PDF

Info

Publication number
EP0295437A3
EP0295437A3 EP88107809A EP88107809A EP0295437A3 EP 0295437 A3 EP0295437 A3 EP 0295437A3 EP 88107809 A EP88107809 A EP 88107809A EP 88107809 A EP88107809 A EP 88107809A EP 0295437 A3 EP0295437 A3 EP 0295437A3
Authority
EP
European Patent Office
Prior art keywords
push
button device
button
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
Application number
EP88107809A
Other languages
German (de)
Other versions
EP0295437A2 (en
EP0295437B1 (en
Inventor
Jurgen Dipl.-Ing. Oelsch
Bertold Sturmer
Gerhard Hochgesang
Nicola Dipl.-Ing. Digiovinazzo
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.)
Preh GmbH
Original Assignee
Preh GmbH
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 Preh GmbH filed Critical Preh GmbH
Priority to AT88107809T priority Critical patent/ATE98396T1/en
Publication of EP0295437A2 publication Critical patent/EP0295437A2/en
Publication of EP0295437A3 publication Critical patent/EP0295437A3/en
Application granted granted Critical
Publication of EP0295437B1 publication Critical patent/EP0295437B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
EP88107809A 1987-06-13 1988-05-16 Push-button device Expired - Lifetime EP0295437B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107809T ATE98396T1 (en) 1987-06-13 1988-05-16 PUSH BUTTON SETUP.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3719839 1987-06-13
DE3719839A DE3719839C1 (en) 1987-06-13 1987-06-13 Push button setup
DE8708373U DE8708373U1 (en) 1987-06-13 1987-06-13 Push button device

Publications (3)

Publication Number Publication Date
EP0295437A2 EP0295437A2 (en) 1988-12-21
EP0295437A3 true EP0295437A3 (en) 1990-06-06
EP0295437B1 EP0295437B1 (en) 1993-12-08

Family

ID=29737510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107809A Expired - Lifetime EP0295437B1 (en) 1987-06-13 1988-05-16 Push-button device

Country Status (5)

Country Link
US (1) US4902862A (en)
EP (1) EP0295437B1 (en)
JP (1) JPS647441A (en)
DE (2) DE8708373U1 (en)
ES (1) ES2046233T3 (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824980A1 (en) * 1988-07-22 1990-01-25 Cherry Mikroschalter Gmbh SUPPORT MECHANICS FOR MULTIPLE BUTTON HEADS
US5117076A (en) * 1989-09-22 1992-05-26 Key Tronic Corporation Quieting device for keytop leveling mechanisms
US5247143A (en) * 1990-03-09 1993-09-21 Canon Kabushiki Kaisha Key switch
DE4039379C1 (en) * 1990-12-10 1992-04-30 Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De
US5278372A (en) * 1991-11-19 1994-01-11 Brother Kogyo Kabushiki Kaisha Keyboard having connecting parts with downward open recesses
US5280147A (en) * 1991-11-19 1994-01-18 Brother Kogyo Kabushiki Kaisha Keyswitch assembly with a key support limiting transverse, longitudinal and rotational movement of the key
JP2595132Y2 (en) * 1992-02-14 1999-05-24 ブラザー工業株式会社 Key switch
US5278371A (en) * 1992-02-14 1994-01-11 Brother Kogyo Kabushiki Kaisha Keyswitch assembly with support mechanism coupled to support plate beneath printed circuit board
JP2590622Y2 (en) * 1992-03-30 1999-02-17 ブラザー工業株式会社 Key switch device
JP2577359Y2 (en) * 1992-06-09 1998-07-23 ブラザー工業株式会社 Key switch device
TW367513B (en) * 1992-06-11 1999-08-21 Alps Electric Co Ltd Key switch
DE4220134C2 (en) * 1992-06-16 2000-05-25 Bally Wulff Automaten Gmbh Large short-stroke key
JP2950391B2 (en) * 1992-07-17 1999-09-20 ブラザー工業株式会社 Key switch device assembling method
JP2589927Y2 (en) * 1993-04-05 1999-02-03 ブラザー工業株式会社 Key switch device
US5504283A (en) * 1992-10-28 1996-04-02 Brother Kogyo Kabushiki Kaisha Key switch device
US5268545A (en) * 1992-12-18 1993-12-07 Lexmark International, Inc. Low profile tactile keyswitch
JP2800617B2 (en) * 1993-01-06 1998-09-21 ブラザー工業株式会社 Key switch
DE9303837U1 (en) * 1993-03-16 1993-07-01 Preh-Werke GmbH & Co KG, 8740 Bad Neustadt Keyboard
JP3201102B2 (en) * 1993-11-05 2001-08-20 ブラザー工業株式会社 Key switch device and method of assembling the same
DE4401644C2 (en) * 1994-01-21 1997-02-06 Kammerer Gmbh M Push button for actuating control elements, in particular heating, air conditioning and ventilation regulators in motor vehicles
US5457297A (en) * 1994-04-20 1995-10-10 Chen; Pao-Chin Computer keyboard key switch
DE9407412U1 (en) * 1994-05-04 1994-09-29 Chen, Pao-Chin, Taipeh/T'ai-pei Key switch for a computer
JP3540377B2 (en) * 1994-08-03 2004-07-07 ミネベア株式会社 Push button switch
US5813521A (en) * 1995-08-11 1998-09-29 Fujitsu Takamisawa Component Limited Keyswitch having a reduced height and a keyboard using such a keyswitch
TW281743B (en) * 1995-08-11 1996-07-21 Fujitoru Takamisawa Parts Co Ltd Keyswitch having a reduced height and a keyboard using such a keyswitch
US5758763A (en) * 1995-08-17 1998-06-02 Hosiden Corporation Pantograph type keyboard switch
GB2332097B (en) * 1995-08-17 2000-02-16 Hosiden Corp Pantograph type keyboard switch assembly
DE19536071C1 (en) * 1995-09-28 1996-08-29 Preh Elektro Feinmechanik Pushbutton device for large multi-contact pushbutton
US5630501A (en) * 1996-04-12 1997-05-20 Shin Jiuh Corp. Computer key
US5772008A (en) * 1996-07-08 1998-06-30 Behavior Tech Computer Corporation Keyboard switch actuator assembly including keycap and scissors type linkage
US5767468A (en) * 1996-07-19 1998-06-16 Tsai; Huo-Lu Key switch asembly for a computer keyboard
IT1289388B1 (en) * 1996-07-19 1998-10-02 Promark Srl BUTTON PERFECTED FOR KEYBOARD
US5767464A (en) * 1996-12-05 1998-06-16 Texas Instruments Incorporated Electronic device low profile keyboard switch assembly with deployed and stored actuating mechanism
DE19811230C1 (en) * 1998-03-14 1999-07-29 Preh Elektro Feinmechanik Large key for computer keyboard
TW378768U (en) * 1998-05-22 2000-01-01 Hon Hai Prec Ind Co Ltd Push button apparatus
JP2000311543A (en) * 1999-04-26 2000-11-07 Alps Electric Co Ltd Key switch device
US6137071A (en) * 1999-08-20 2000-10-24 Acer Peripherals Inc. Multiple-width keyswitch capable of inhibiting noise thereof induced during operation
DE19940051C1 (en) * 1999-08-24 2000-11-16 Siemens Pc Systeme Gmbh & Co K Push-button keyboard housing
TW454933U (en) * 2000-01-31 2001-09-11 Darfon Electronics Corp Scissors-type keystroke structure
DE10060802A1 (en) * 2000-12-07 2002-06-13 Deere & Co operating device
US6781077B2 (en) 2000-12-14 2004-08-24 Think Outside, Inc. Keyswitch and actuator structure
TW479835U (en) * 2001-04-06 2002-03-11 Darfon Electronics Corp Press button structure capable of lifting the cap for a keyboard
JP3941041B2 (en) * 2002-03-25 2007-07-04 ミネベア株式会社 Key switch stabilizer mechanism
TWM343860U (en) * 2008-04-18 2008-11-01 Darfon Electronics Corp Keyswitch and keyboard
CN101834593A (en) * 2009-03-10 2010-09-15 鸿富锦精密工业（深圳）有限公司 Key structure
DE102011085725A1 (en) 2010-12-14 2012-06-14 Behr-Hella Thermocontrol Gmbh Operation unit for vehicle component e.g. heating apparatus, has stroke gear box that transmits load applied to one end of key for support of stroke movement of opposite end of key in same direction
TWI442434B (en) * 2011-11-30 2014-06-21 Wistron Corp Button structure and keyboard structure using the same
US10965287B2 (en) * 2018-12-20 2021-03-30 Dexin Electronic Ltd. Replaceable key structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404895A1 (en) * 1974-02-01 1975-08-14 Standard Elektrik Lorenz Ag Single action key for space bar actuation - has built-in snap action spring for low operating force
EP0134509A2 (en) * 1983-08-17 1985-03-20 Preh-Werke GmbH & Co. KG Push button
US4535210A (en) * 1984-04-18 1985-08-13 Illinois Tool Works Inc. Keyswitch stabilizing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468145A (en) * 1982-03-18 1984-08-28 Oak Industries, Inc. Keyboard space bar stabilizer
JPS5965017A (en) * 1982-10-06 1984-04-13 Kiichiro Ozaki Remedy for arthrogryposis and synarthrophysis
US4433225A (en) * 1983-02-22 1984-02-21 General Instrument Corporation Keytop levelling mechanism
DE3433743A1 (en) * 1984-09-14 1986-03-27 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt PRINT BUTTON
US4771146A (en) * 1985-08-19 1988-09-13 Alps Electric Co., Ltd. Keyboard key top mounting structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404895A1 (en) * 1974-02-01 1975-08-14 Standard Elektrik Lorenz Ag Single action key for space bar actuation - has built-in snap action spring for low operating force
EP0134509A2 (en) * 1983-08-17 1985-03-20 Preh-Werke GmbH & Co. KG Push button
US4535210A (en) * 1984-04-18 1985-08-13 Illinois Tool Works Inc. Keyswitch stabilizing device

Also Published As

Publication number Publication date
DE8708373U1 (en) 1987-08-13
JPS647441A (en) 1989-01-11
EP0295437A2 (en) 1988-12-21
EP0295437B1 (en) 1993-12-08
US4902862A (en) 1990-02-20
ES2046233T3 (en) 1994-02-01
DE3719839C1 (en) 1988-10-13

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