(under subclass 405) Subject matter including a lost motion coupling between the moveable contact and an element which strikes a hammerlike blow to the contact to break contact welds or overcome friction.
(1) Note. These devices are intended to break contact welds or overcome friction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
446, for similar devices where the snapped element engages the contacts before the snapped element is moved overcenter by the actuator.