US PATENT SUBCLASS 218 / 120
.~.~.~ Operating mechanism structure or arrangement
Current as of:
June, 1999
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218 /
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HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES
1
DF
ARC PREVENTING OR EXTINGUISHING DEVICES
{14}
118
DF
.~ Vacuum {5}
119
DF
.~.~ Polyphase {1}
120
.~.~.~ Operating mechanism structure or arrangement
DEFINITION
Classification: 218/120
Operating mechanism structure or arrangement:
(under subclass 119) Subject matter wherein details of the structure or arrangement of parts of the polyphase vacuum switch are included.
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.
92, for liquid 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.
