US PATENT SUBCLASS 335 / 195
.~.~.~ Magnetic or electrodynamic force

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
185  DF  .~ Contact-actuating means {7}
194  DF  .~.~ With pressure-maintaining or adjusting means {1}
195.~.~.~ Magnetic or electrodynamic force

DEFINITION

Classification: 335/195

(under subclass 194) Subject matter wherein the pressure maintaining or adjusting means comprises magnetic means or structure whereby an electrodynamic force established between two current carrying conductors is utilized to establish a pressure tending to maintain the contacts closed.

(1) Note. For devices wherein an electrodynamic force is utilized to actuate or to assist in the opening or closing of circuit closing contacts see subclass 147.

SEE OR SEARCH THIS CLASS, SUBCLASS:

16, for automatic circuit interrupting devices with magnetic blowon or blowoff; i.e., magnetic biasing.