US PATENT SUBCLASS 337 / 385
.~.~.~ Latching or tripping means


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

298  DF  THERMALLY ACTUATED SWITCHES {7}
382  DF  .~ With longitudinally expansible solid element {7}
384  DF  .~.~ With manual or other mechanical contact control means {4}
385.~.~.~ Latching or tripping means


DEFINITION

Classification: 337/385

(under subclass 384) Subject matter including significant details of means whereby the switch contacts may be restrained in an open or closed condition by a latch or detent which may be tripped by the action of the thermally deformable device. The contacts are usually held in circuit closing position and tripped to open position by release of the latching means.

(1) Note. For other latches or trips used in devices of this class, see Search This Class, Subclass below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46, for other latches or trips used in devices of this class, see the subclasses listed under Search This Class, Subclass in subclass 46.

128+, for similar subject matter in an electrothermally actuated switch. See (1) Note above.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, 43+, for thermally actuated latch or trip means in automatic circuit interrupters of the electromagnetic type.