US PATENT SUBCLASS 218 / 92
.~.~.~ 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}
89  DF  .~ Interposed non-conductor {3}
91  DF  .~.~ Liquid {14}
92.~.~.~ Operating mechanism structure or arrangement {4}
93  DF  .~.~.~.~> Piston
94  DF  .~.~.~.~> Delay means (e.g., dashpot)
95  DF  .~.~.~.~> Chemical explosive primer
96  DF  .~.~.~.~> With oil flow feature

DEFINITION

Classification: 218/92

Operating mechanism structure or arrangement:

(under subclass 91) Subject matter including details of the structure or arrangement of parts that actuate the main contact assembly of the liquid circuit interrupters.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7, for multiple break circuit interrupter.

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.

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.

154, for general arc preventing device with operating mechanism.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

400, for spring charge mechanism.