FI845093A0 - KNAPPSKYDD FOER EN I ETT HUS ANORDNAD KNAPPSATS. - Google Patents

KNAPPSKYDD FOER EN I ETT HUS ANORDNAD KNAPPSATS.

Info

Publication number
FI845093A0
FI845093A0 FI845093A FI845093A FI845093A0 FI 845093 A0 FI845093 A0 FI 845093A0 FI 845093 A FI845093 A FI 845093A FI 845093 A FI845093 A FI 845093A FI 845093 A0 FI845093 A0 FI 845093A0
Authority
FI
Finland
Prior art keywords
housing
synthetic resin
resin part
opening
key cap
Prior art date
Application number
FI845093A
Other languages
Finnish (fi)
Other versions
FI80360C (en
FI80360B (en
FI845093L (en
Inventor
Reinhold Kiesewetter
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of FI845093A0 publication Critical patent/FI845093A0/en
Publication of FI845093L publication Critical patent/FI845093L/en
Application granted granted Critical
Publication of FI80360B publication Critical patent/FI80360B/en
Publication of FI80360C publication Critical patent/FI80360C/en

Links

Classifications

    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • 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
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/052—Phosphorescence
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/044—Elastic part on actuator or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H01H2229/046—Multi-colour or double shot injection moulding

Landscapes

  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

1. A key cap for a keyboard arranged in electrical communications technology apparatus, in particular the operating unit of a telephone installation, which key cap is inserted in an opening in the housing of the apparatus (6) and can be pressed through a pin (5) against a key (8) arranged in the interior of the housing in order to operate the key, and has prestressed, laterally arranged spring elements (2) which are extended longitudinally and abut against a stop face inside the housing, characterized in that the key cap (1), which can be inserted in the opening in the housing with lateral play, and which has a downwardly opening half-shell-shaped synthetic resin part (3) of rectangular shape, with a correspondingly shaped pin (5), has at least one side running parallel to the opening in the housing, a prestressed spring element (2) which is inclined towards the having (6) at an acute angle and projects beyond the half-shell-shaped synthetic resin part (3) at the side, and which spring is pressed against a stop face in the housing (6) and abuts against the inside of the housing wall, with the upper side of the stop faces formed by the spring elements (2), which stop faces have an increased diameter relative to the housing opening and project laterally ; and that the key cap (1) is stepped at its upper face and in its central raised part is provided with a recess with a figure or symbol corresponding to the marking formed by a transparent synthetic resin part (4) connected in light-conducting manner through a transparet synthetic resin part (4) which fills the interior space of the opaque half-shell-shaped synthetic resin part (3), with the pin (5) mounted on this transparent synthetic resin part (4).
FI845093A 1983-12-22 1984-12-21 Button protection for a keypad arranged in a house FI80360C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833346485 DE3346485A1 (en) 1983-12-22 1983-12-22 KEY COVER FOR A KEYBOARD ARRANGED IN A HOUSING
DE3346485 1983-12-22

Publications (4)

Publication Number Publication Date
FI845093A0 true FI845093A0 (en) 1984-12-21
FI845093L FI845093L (en) 1985-06-23
FI80360B FI80360B (en) 1990-01-31
FI80360C FI80360C (en) 1990-05-10

Family

ID=6217749

Family Applications (1)

Application Number Title Priority Date Filing Date
FI845093A FI80360C (en) 1983-12-22 1984-12-21 Button protection for a keypad arranged in a house

Country Status (7)

Country Link
EP (1) EP0148437B1 (en)
AT (1) ATE32802T1 (en)
DE (2) DE3346485A1 (en)
DK (1) DK160381C (en)
ES (1) ES295022Y (en)
FI (1) FI80360C (en)
NO (1) NO165317C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512386A1 (en) * 1985-04-04 1986-10-09 Siemens AG, 1000 Berlin und 8000 München KEY COVER FOR A KEYBOARD ARRANGED IN A HOUSING
EP0231007A3 (en) * 1986-01-31 1989-11-15 Siemens Aktiengesellschaft Push button
JP2768030B2 (en) * 1991-02-21 1998-06-25 日本電気株式会社 Flat keyboard switch
FR2683183B1 (en) * 1991-10-31 1995-02-03 Sextant Avionique PROCESS FOR FORMING A PAINTED PATTERN ON AN OBJECT MADE OF NON-ADHERENT MATERIAL.
FI110044B (en) 2000-06-30 2002-11-15 Nokia Corp Structure of the casing part of an electronic device
JP2002093270A (en) * 2000-09-19 2002-03-29 Nec Corp Structure of illuminating part
JP2007141662A (en) * 2005-11-18 2007-06-07 Polymatech Co Ltd Key sheet
US9346201B2 (en) * 2014-09-18 2016-05-24 Ford Global Technologies, Llc Plastic part with reduced read-through

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144643A (en) * 1960-12-10 1964-08-11 Gasaccumulator Svenska Ab Push-button illuminating device
DE1665975B2 (en) * 1967-06-23 1972-05-04 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim ELECTRIC SWITCH WITH LIGHTING, IN PARTICULAR FOR VEHICLES
US3982081A (en) * 1974-09-04 1976-09-21 Amp Incorporated Keyboard assembly with overlapped flexible printed circuit cable switch
JPS5168726A (en) * 1974-12-12 1976-06-14 Hosiden Electronics Co
FR2395546A2 (en) * 1977-06-22 1979-01-19 Serras Paulet Edouard ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE
US4124879A (en) * 1977-05-20 1978-11-07 Motorola, Inc. Illumination apparatus for use in an illuminatable pushbutton keyset and the like
FR2415335B1 (en) * 1978-01-23 1985-06-07 Graniou Louis Electr OPTO-ELECTRONIC CONTROL KEY WITH INCORPORATED LIGHT SIGNALING
DE2817362A1 (en) * 1978-04-20 1979-10-31 Siemens Ag Dialling keyboard for telephone instruments - has matrix of conducting strips, with elastic arms at crosspoints operated by keys
FR2438294B2 (en) * 1978-10-05 1986-07-18 Graniou Louis Electr OPTO-ELECTRONIC CONTROL KEY WITH INCORPORATED LIGHT SIGNALING
DE3039732A1 (en) * 1980-10-21 1982-04-29 Siemens Ag Push-button keyboard for telephone instrument - has spring contact which also hold keys in off position
DE8109166U1 (en) * 1981-03-28 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Push button switch with a cap-shaped push button
US4365120A (en) * 1981-04-13 1982-12-21 Kb Denver, Inc. Illuminated keyboard

Also Published As

Publication number Publication date
DK613484D0 (en) 1984-12-20
ES295022U (en) 1986-11-01
DK160381B (en) 1991-03-04
DE3346485A1 (en) 1985-07-04
DK613484A (en) 1985-06-23
NO165317B (en) 1990-10-15
EP0148437A1 (en) 1985-07-17
FI80360C (en) 1990-05-10
DK160381C (en) 1991-08-12
FI80360B (en) 1990-01-31
FI845093L (en) 1985-06-23
EP0148437B1 (en) 1988-03-02
ES295022Y (en) 1987-07-16
NO845074L (en) 1985-06-24
NO165317C (en) 1991-01-23
ATE32802T1 (en) 1988-03-15
DE3469636D1 (en) 1988-04-07

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT