EP 0035189 B1 19840704 - 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
Publication
Application
Priority
FR 8004307 A 19800227
Abstract (en)
[origin: EP0035189A1] 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.
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 (examination)
- DE 2313750 A1 19741003 - STEIPE LEO DR
- US 3942145 A 19760302 - SOBCZAK BERNARD J
- DE 2209620 A1 19720914 - BURGESS MICRO SWITCH CO LTD
- FR 2044038 A5 19710219 - CROUZET & CIE
- FR 2395546 A2 19790119 - SERRAS PAULET EDOUARD [FR]
- FR 2022936 A1 19700807 - PHILIPS NV
- US 3826885 A 19740730 - ALLEN W, et al
- US 3934104 A 19760120 - STOUT GLENN M
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