EP 0035189 A1 19810909 - Pushbutton for a control keyboard and method of manufacturing such a pushbutton.
Title (en)
Pushbutton for a control keyboard and method of manufacturing such a pushbutton.
Title (de)
Druckknopf für ein Steuertastenfeld und Verfahren zur Herstellung eines solchen Druckknopfes.
Title (fr)
Bouton-poussoir pour clavier de commande et procédé de fabrication d'un tel bouton-poussoir.
Publication
Application
Priority
FR 8004307 A 19800227
Abstract (en)
1. A push-button (2) for a control keyboard comprising at least one pair of electric contacts (23, 24) which are integral with a support piece (15) and which are brought into contact with a printed circuit (3) by depressing the push-button (2), a body of a button constituted by a piston (6) sliding in a cover (11), the cover having a magnetic surface (13) which co-operates with a metal backing plate (14) integral with the piston (6) to constitute a magnetic push-button (2) return device, characterized in that the electric contact (23, 24) support piece (15) and the metal backing plate (14) are assembled on the piston (6) of the push-button by a moulding process.
Abstract (fr)
Bouton-poussoir pour clavier de commande, comportant au moins une paire de contacts électriques solidaires d'une pièce support et mis en contact en agissant sur le bouton-poussoir, un corps de bouton constitué par un piston (6) coulissant dans un capot (11), le capot présentant une surface magnétique (13) coopérant avec une contre-plaque métallique (14) solidaire du piston pour constituer un dispositif de rappel magnétique du bouton-poussoir; la pièce support de contact électrique (15) et la contre-plaque métallique (14) sont assemblées sur le piston (6) du bouton par surmoulage.
IPC 1-7
IPC 8 full level
H01H 13/20 (2006.01); H01H 5/02 (2006.01); H01H 11/00 (2006.01); H01H 13/12 (2006.01); H01H 13/14 (2006.01)
CPC (source: EP)
H01H 5/02 (2013.01); H01H 11/00 (2013.01); H01H 13/14 (2013.01); H01H 2221/04 (2013.01)
Citation (search report)
GB 926353 A 19630515 - KOOPERATIVA FOERBUNDET
Designated contracting state (EPC)
BE DE GB IT
DOCDB simple family (publication)
EP 0035189 A1 19810909; EP 0035189 B1 19840704; DE 3164499 D1 19840809; ES 499831 A0 19820616; ES 8206086 A1 19820616; FR 2476900 A1 19810828; FR 2476900 B1 19820625; JP S56136417 A 19811024
DOCDB simple family (application)
EP 81101212 A 19810220; DE 3164499 T 19810220; ES 499831 A 19810226; FR 8004307 A 19800227; JP 2756981 A 19810225