EP0944104A1 - Grand bouton pour clavier, recouvrant plusieurs petites touches - Google Patents

Grand bouton pour clavier, recouvrant plusieurs petites touches Download PDF

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Publication number
EP0944104A1
EP0944104A1 EP99100591A EP99100591A EP0944104A1 EP 0944104 A1 EP0944104 A1 EP 0944104A1 EP 99100591 A EP99100591 A EP 99100591A EP 99100591 A EP99100591 A EP 99100591A EP 0944104 A1 EP0944104 A1 EP 0944104A1
Authority
EP
European Patent Office
Prior art keywords
key
guide
pair
bearing
push 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
EP99100591A
Other languages
German (de)
English (en)
Other versions
EP0944104B1 (fr
Inventor
Gerhard Hochgesang
Klaus Schmöger
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
Publication of EP0944104A1 publication Critical patent/EP0944104A1/fr
Application granted granted Critical
Publication of EP0944104B1 publication Critical patent/EP0944104B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a large push button covering several small keypads a keyboard in an arrangement on a guide body for actuating Switch contacts according to the preamble of claim 1.
  • Such a push button is disclosed in DE 33 29 698 A1, where it says: Individual Pushbuttons on typing keyboards are much larger than the other keys and large compared to the contact to be actuated.
  • To tilt in the case of off-center To avoid actuation, two scissors are provided as a guide device. Their both axes are aligned with each other. The four storage locations of the upper free ends of the arms enclose a rectangular surface which is in line with the actuating surface largely covers, therefore there is a concealed installation.
  • buttons are immovable on the Base plate arranged touch parts are lifted off and put back on so that another contact is activated.
  • the entrance area can be operated incorrectly the engaging slots are deformed and the entire device becomes unusable.
  • the invention is therefore based on the object in a generic Push button device to find measures that one Deformation of the engagement slot and concealed mounting can be avoided.
  • Fig. 1 shows a large, several small keypads 1 covering push button 2 for one Keyboard in an arrangement on a guide body 3 for actuating Switch contacts 4, in which a button plunger 5 is arranged in a on the guide body 3 Engages guide sleeve 6 and interacts with a switching dome 7 of a switching film 8, which is below the guide body 3, as can be seen from Fig. 2, in the one Side view of FIG. 1 is shown with a partial section in the region of the guide sleeve 6.
  • the key 2 has a bearing fork extension 9, the lever arms 10, 11th each have a bearing pin 12 which exists in the guide body 3 Engagement slots 13 engage, as can also be seen from Fig. 2, one on both sides first adjacent pair of guide sleeves 14 exist.
  • a Version for a larger button can be provided, in which the guide slots of the second adjacent pair of guide sleeves can be used.
  • the pivoted into the guide sleeve 6 tappet 5 one in the
  • the bearing fork extension 9 has a middle lever extension 17, which has a guide section 18 lying between the pair of guide sleeves 14 forms, the middle lever shoulder 17 may have a bearing portion 19, the received by the engagement slot 20 located between the pair of guide sleeves 14 is, as can be seen in dash-dotted lines from FIG. 3.
  • the bearing fork extensions 9, 17 and Key body 21 has a common offset 22, the total of the push button 2 dimensionally stabilized.
  • the pair of guide sleeves adjacent to the guide sleeve 6, in which the key plunger 5 is arranged receives a guide web 23 of the key body 21, which can be seen from the top view of the push button in FIG. 3. This measure relieves the journals 12, 19 in the engagement slots 13, 20 of the guide body 3.

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
EP99100591A 1998-03-14 1999-01-14 Grand bouton pour clavier, recouvrant plusieurs petites touches Expired - Lifetime EP0944104B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19811230 1998-03-14
DE19811230A DE19811230C1 (de) 1998-03-14 1998-03-14 Große, mehrere kleine Tastenfelder abdeckende Drucktaste für ein Keyboard

Publications (2)

Publication Number Publication Date
EP0944104A1 true EP0944104A1 (fr) 1999-09-22
EP0944104B1 EP0944104B1 (fr) 2003-04-16

Family

ID=7860985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100591A Expired - Lifetime EP0944104B1 (fr) 1998-03-14 1999-01-14 Grand bouton pour clavier, recouvrant plusieurs petites touches

Country Status (5)

Country Link
US (1) US6121563A (fr)
EP (1) EP0944104B1 (fr)
AT (1) ATE237868T1 (fr)
DE (2) DE19811230C1 (fr)
ES (1) ES2192806T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221778A3 (fr) * 2009-02-20 2011-05-11 PrehKeyTec GmbH Clavier doté de moyens d'affichage de caractéristiques de sécurité de billets

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660948B2 (en) * 2001-02-28 2003-12-09 Vip Investments Ltd. Switch matrix
JP4562949B2 (ja) * 2001-05-23 2010-10-13 沖電気工業株式会社 キースイッチ
DE10226402A1 (de) * 2002-06-13 2003-12-24 Siemens Ag Schaltereinheit
US20090033521A1 (en) 2007-08-01 2009-02-05 Ladouceur Norman M Key designs for compact keypad of handheld communication device
US8835784B2 (en) * 2010-06-25 2014-09-16 Mitsubishi Electric Corporation Push button structure
DE202012104777U1 (de) * 2012-12-07 2014-03-11 Prehkeytec Gmbh Gummimatten-Tastatur, insbesondere Silikonmatten-Tastatur

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719839C1 (de) * 1987-06-13 1988-10-13 Preh Elektro Feinmechanik Drucktasteneinrichtung
US5376765A (en) * 1992-09-16 1994-12-27 Key Tronic Corporation Key leveler apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329698A1 (de) * 1983-08-17 1985-03-07 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Drucktaste
US5003140A (en) * 1989-06-26 1991-03-26 International Business Machines Corporation Long keybutton stabilizer
US5201824A (en) * 1989-10-06 1993-04-13 Alps Electric Co., Ltd. Push button switch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719839C1 (de) * 1987-06-13 1988-10-13 Preh Elektro Feinmechanik Drucktasteneinrichtung
US5376765A (en) * 1992-09-16 1994-12-27 Key Tronic Corporation Key leveler apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221778A3 (fr) * 2009-02-20 2011-05-11 PrehKeyTec GmbH Clavier doté de moyens d'affichage de caractéristiques de sécurité de billets

Also Published As

Publication number Publication date
ES2192806T3 (es) 2003-10-16
DE19811230C1 (de) 1999-07-29
US6121563A (en) 2000-09-19
ATE237868T1 (de) 2003-05-15
EP0944104B1 (fr) 2003-04-16
DE59905030D1 (de) 2003-05-22

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