US PATENT SUBCLASS 218 / 140
.~.~ Operating mechanism structure or arrangement

Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
118  DF  .~ Vacuum {5}
140.~.~ Operating mechanism structure or arrangement

DEFINITION

Classification: 218/140

Operating mechanism structure or arrangement:

(under subclass 118) Subject matter including details of the structure or arrangement of parts that actuate the main contact assembly for vacuum circuit breaker.

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. 153, for polyphase arc preventing device with operating mechanism.

154, for general arc preventing device with operating mechanism.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

400, for spring charge mechanism.