US PATENT SUBCLASS 337 / 154
.~.~.~.~ Tripping or release means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
143  DF  .~.~ With manual or other mechanical contact control means {8}
150  DF  .~.~.~ Latching trip or holding means (actuated by condition by fuse element) {4}
154.~.~.~.~ Tripping or release means

DEFINITION

Classification: 337/154

(under subclass 150) Subject matter relating specifically to tripping or release means operative directly by fusible means under the influence of a thermal heating current. The mechanical latching or holding means is generally recited broadly with the tripping or release means recited in specific terms.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

39+, for retarded action switches with latch trip and subclasses 411+, 470, 424+ for mechanical snap switches with latch trip.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

172+, for latch tripping structure, per se, adapted for use in electromagnetic switches.