EP 0148437 B1 19880302 - KEY CAP FOR A KEYBOARD MOUNTED IN A HOUSING
Title (en)
KEY CAP FOR A KEYBOARD MOUNTED IN A HOUSING
Publication
Application
Priority
DE 3346485 A 19831222
Abstract (en)
[origin: EP0148437A1] 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).
IPC 1-7
IPC 8 full level
H01H 9/16 (2006.01); H01H 13/02 (2006.01); H01H 13/52 (2006.01)
CPC (source: EP)
H01H 13/023 (2013.01); H01H 13/52 (2013.01); H01H 2219/052 (2013.01); H01H 2221/044 (2013.01); H01H 2229/046 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0148437 A1 19850717; EP 0148437 B1 19880302; AT E32802 T1 19880315; DE 3346485 A1 19850704; DE 3469636 D1 19880407; DK 160381 B 19910304; DK 160381 C 19910812; DK 613484 A 19850623; DK 613484 D0 19841220; ES 295022 U 19861101; ES 295022 Y 19870716; FI 80360 B 19900131; FI 80360 C 19900510; FI 845093 A0 19841221; FI 845093 L 19850623; NO 165317 B 19901015; NO 165317 C 19910123; NO 845074 L 19850624
DOCDB simple family (application)
EP 84115189 A 19841212; AT 84115189 T 19841212; DE 3346485 A 19831222; DE 3469636 T 19841212; DK 613484 A 19841220; ES 295022 U 19841221; FI 845093 A 19841221; NO 845074 A 19841218