(under subclass 133) Subject matter in which the actuating lever or device is prevented by electric locks from completing its movement, and from thereby releasing the other devices which it controls, until the actuated unit is in full normal or reversed position, whereupon a return-release-indication current is sent back, unlocking the actuating-lever and either effecting or permitting the
completion of its movement.
SEE OR SEARCH THIS CLASS, SUBCLASS:
137, 138, 141, and 142, for return-release-indication.
