EP0613161A2 - Clavier avec au moins une touche double - Google Patents

Clavier avec au moins une touche double Download PDF

Info

Publication number
EP0613161A2
EP0613161A2 EP94102495A EP94102495A EP0613161A2 EP 0613161 A2 EP0613161 A2 EP 0613161A2 EP 94102495 A EP94102495 A EP 94102495A EP 94102495 A EP94102495 A EP 94102495A EP 0613161 A2 EP0613161 A2 EP 0613161A2
Authority
EP
European Patent Office
Prior art keywords
guide
key
domes
keyboard according
double
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
EP94102495A
Other languages
German (de)
English (en)
Other versions
EP0613161A3 (fr
EP0613161B1 (fr
Inventor
Bernhard Dipl.-Ing. Gut (Fh)
Dieter Dipl.-Ing. Dubois (Fh)
Franz Dipl.-Ing. Wandinger (Fh)
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International 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 Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Publication of EP0613161A2 publication Critical patent/EP0613161A2/fr
Publication of EP0613161A3 publication Critical patent/EP0613161A3/fr
Application granted granted Critical
Publication of EP0613161B1 publication Critical patent/EP0613161B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/01—Off centre actuation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/058—Actuators to avoid tilting or skewing of contact area or actuator

Definitions

  • the invention relates to a keyboard according to the features of the preamble of Claim 1.
  • special keys are preferably arranged at the edge of the alphanumeric keypad, which differ from the usual individual keys by their larger key cap area. This measure makes it immediately apparent to the keyboard user that special functions can be triggered with the larger keys. But also frequently used keys, e.g. the space key are carried out over a large area because this makes it much easier to press this key.
  • Such special keys very often have a length corresponding to a plurality of individual keys arranged next to one another, so that the grid size predetermined by the individual keys is maintained.
  • These special keys which are also referred to as multiple keys, differ from the individual keys in general by a key cap that is symmetrically elongated on both sides, starting from the central tappet.
  • a key cap that is symmetrically elongated on both sides, starting from the central tappet.
  • Multiple keys with asymmetrical function keys, based on the key cap, are also known, in which the compensation bracket is dispensed with.
  • Multiple keys for example double keys, include the second, unused guide dome in the key guide in such a way that an auxiliary plunger provided with axial guide bars is guided in this second guide dome.
  • the key tappet and auxiliary tappet tilt when the double key is actuated off-center so that the correct function of this double key is not always guaranteed.
  • the present invention is therefore based on the object of designing a double key used in a keyboard of the type mentioned in such a way that jamming of the key can be prevented with high probability even when the key cap is actuated off-center.
  • Figures 1 and 2 show a section of a keyboard housing in the area of a double key. They show two guide domes 1, 2 of a keypad provided on an upper housing part 3 with several single, double and multiple keys.
  • the two guide domes 1, 2 are assigned to a double key, not shown in the drawing, whose key cap covers the two guide domes 1, 2.
  • the second guide dome 2 therefore remains empty and has no function.
  • an approximately rectangular recess 4 is provided in the upper housing part 3, which is partly delimited by the mutually facing side surfaces in the base area of the two guide domes, partly by transverse walls 5, 6 that are perpendicular thereto.
  • This recess 4 framed in this way forms the counter element for a guide element fastened to the key cap and immersed between the guide domes 1, 2.
  • Narrow webs 7, 8 running in the direction of insertion of the guide element which are provided both on the side surfaces of the guide domes 1, 2 and on the transverse walls 5, 6 and which protrude somewhat into the recess 4, ensure low friction between the guide element and counter element .
  • This low friction effect is additionally supported by the use of good sliding material for the guide element, which can also have sliding webs.
  • two guide grooves 9 are provided, into which tab-like support elements of the guide element engage, whereby the exact guidance of the double key is additionally supported.
  • FIGS. 3 and 4 Details of the guide element already mentioned in connection with FIGS. 1 and 2 can be found in FIGS. 3 and 4. They show the guide element 10 designed as a square hollow profile, which is fastened to the key cap 11 which overlaps both guide domes 1, 2.
  • FIG. 3 shows only a part of the key cap 10 and only the central area to which the guide element 10 is attached.
  • the key plunger for the guide dome 1, which is likewise fastened to the key cap 11, is also not shown.
  • tab-like support elements 12 projecting laterally are provided, which with their free ends in the guide grooves 9 of the two guide domes 1 and 2 engage.
  • the square profile together with the support element 12 forms a symmetrical arrangement which has a cross section similar to that of a double-T beam.

Landscapes

  • Push-Button Switches (AREA)
EP94102495A 1993-02-26 1994-02-18 Clavier avec au moins une touche double Expired - Lifetime EP0613161B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4306046A DE4306046C1 (de) 1993-02-26 1993-02-26 Tastatur mit wenigstens einer Doppeltaste
DE4306046 1993-02-26

Publications (3)

Publication Number Publication Date
EP0613161A2 true EP0613161A2 (fr) 1994-08-31
EP0613161A3 EP0613161A3 (fr) 1995-01-04
EP0613161B1 EP0613161B1 (fr) 1996-11-27

Family

ID=6481455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102495A Expired - Lifetime EP0613161B1 (fr) 1993-02-26 1994-02-18 Clavier avec au moins une touche double

Country Status (4)

Country Link
EP (1) EP0613161B1 (fr)
AT (1) ATE145756T1 (fr)
DE (2) DE4306046C1 (fr)
ES (1) ES2094574T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433743A1 (de) * 1984-09-14 1986-03-27 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Drucktaste
EP0087369B1 (fr) * 1982-02-24 1986-04-30 Digital Equipment Corporation Clavier électronique amélioré
EP0267541A2 (fr) * 1986-11-12 1988-05-18 Smk Co., Ltd. Un clavier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087369B1 (fr) * 1982-02-24 1986-04-30 Digital Equipment Corporation Clavier électronique amélioré
DE3433743A1 (de) * 1984-09-14 1986-03-27 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Drucktaste
EP0267541A2 (fr) * 1986-11-12 1988-05-18 Smk Co., Ltd. Un clavier

Also Published As

Publication number Publication date
EP0613161A3 (fr) 1995-01-04
DE4306046C1 (de) 1994-04-21
ATE145756T1 (de) 1996-12-15
EP0613161B1 (fr) 1996-11-27
DE59401100D1 (de) 1997-01-09
ES2094574T3 (es) 1997-01-16

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