(under subclass 68) Subject matter wherein the structure includes significant means whereby the contacts or the contact actuating means may be positively locked or latched to prevent any desired movement during the existence of a predetermined condition of the switch, such as open or closed. The locking or latching means will generally be
provided with tripping structure to allow the latch to be released upon the termination of the predetermined condition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
21+, above, for automatic circuit interrupters with significant latch or trip means.
113, for multiple contact switches with holding, locking or latching means.
157+, for significant locking or holding structure.
167+, for other electromagnetically actuated switches with significant latch means. 172+, for switches with tripping means.
253+, for electromagnet and armature with armature latch means.
