(under subclass 1) Subject matter including details of the structure or arrangement of parts that actuate the main contact assembly of the arc preventing or extinguishing devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
7, for multiple break circuit interrupter with operating mechanism.
14, for auxiliary shunt circuit interrupter with operating mechanism.
78, for sealed chamber circuit interrupter with operating mechanism.
84, for air-current blowout circuit interrupter with operating mechanism.
92, for liquid circuit interrupter with operating mechanism.
120, for polyphase vacuum circuit interrupter with operating mechanism. 140, for vacuum circuit interrupter with operating mechanism.
153, for polyphase arc preventing device with operating mechanism.
