(under subclass 8) Subject matter including details of the structure or arrangement of parts that actuate the main contact of the auxiliary shunt interrupters.
SEE OR SEARCH THIS CLASS, SUBCLASS:
7, for general arc preventing device with operating mechanism.
78, for sealed chamber with operating mechanism.
84, for air-current blowout with operating mechanism.
92, for liquid with operating mechanism.
120, for polyphase vacuum switch with operating mechanism. 140, for vacuum switch with operating mechanism.
153, for polyphase arc preventing device with operating mechanism.
154, for general arc preventing device with operating mechanism.