Avoidance of switching device false off handle indication

RT Casey, KW Klein - US Patent 3,605,051, 1971 - Google Patents
Auxiliary trip device usable with an electrical switching apparatus having a movable contact
arm, an operat ing mechanism including a releasable cradle for moving the contact arm …

AVOIDANCE OF SWITCHING DEVICE FALSE OFF HANDLE INDICATION

RT Casey, KW Klein - US Patent 3,605,051, 1971 - freepatentsonline.com
Auxiliary trip device usable with an electrical switching apparatus having a movable contact
arm, an operating mechanism including a releasable cradle for moving the contact arm …