EP 0309311 B1 19921209 - OVERCURRENT CIRCUIT-BREAKER
Title (en)
OVERCURRENT CIRCUIT-BREAKER
Publication
Application
Priority
FR 8713484 A 19870925
Abstract (en)
[origin: EP0309311A1] The main contact bridge (16) is integral with a drive rod (20) surrounded by an annular opening coil (22) for the propulsion member. The latter comprises an opening disc (24) which can move relative to the rod, and an annular piston (26) integral with the rod, springs being disposed between the disc and the piston, so as to return the disc to the rest position opposite the coil at the end of the opening stroke. <IMAGE>
IPC 1-7
IPC 8 full level
H01H 9/38 (2006.01); H01H 3/22 (2006.01); H01H 9/00 (2006.01)
CPC (source: EP US)
H01H 3/222 (2013.01 - EP US); H01H 9/0072 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE ES GB IT LI
DOCDB simple family (publication)
EP 0309311 A1 19890329; EP 0309311 B1 19921209; DE 3876567 D1 19930121; FR 2621170 A1 19890331; JP H01157015 A 19890620; US 4952897 A 19900828
DOCDB simple family (application)
EP 88402271 A 19880909; DE 3876567 T 19880909; FR 8713484 A 19870925; JP 23469688 A 19880919; US 24447888 A 19880915