EP 0193440 B1 19890517 - PROTECTIVE SWITCH
Title (en)
PROTECTIVE SWITCH
Publication
Application
Priority
FR 8502119 A 19850214
Abstract (en)
[origin: US4668926A] The apparatus of the invention comprises a case housing a fixed contact and a mobile contact carried by a pivoting lever, with resilient return to the closure position, a rocking lever adapted for acting on the pivoting lever in the opening direction in response to an electric fault and a manual control member connected to the pivoting lever. A single spring exerts on the pivoting lever a first torque in the closure direction and on a drive piece blockable by the rocking lever a force adapted to generate on the lever a second torque antagonistic to and greater than the first one. With the manual control member a third torque antagonistic to and greater than the first one is exerted on the pivoting lever.
IPC 1-7
IPC 8 full level
H01H 71/50 (2006.01)
CPC (source: EP US)
H01H 9/32 (2013.01 - EP US); H01H 71/50 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE GB IT LI NL SE
DOCDB simple family (publication)
EP 0193440 A1 19860903; EP 0193440 B1 19890517; DE 3663422 D1 19890622; FR 2577712 A1 19860822; FR 2577712 B1 19880715; JP S61193325 A 19860827; US 4668926 A 19870526
DOCDB simple family (application)
EP 86400239 A 19860205; DE 3663422 T 19860205; FR 8502119 A 19850214; JP 3061386 A 19860214; US 82848586 A 19860212