US PATENT SUBCLASS 337 / 407
.~.~.~ Utilizing spring or other energy

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

298  DF  THERMALLY ACTUATED SWITCHES {7}
401  DF  .~ With fusible, combustible or explosive material {5}
402  DF  .~.~ With manual, gravity-actuated or other mechanical contact control means {4}
407.~.~.~ Utilizing spring or other energy {2}
408  DF  .~.~.~.~> Reciprocating or slidable motion device {1}
410  DF  .~.~.~.~> Rotatable

DEFINITION

Classification: 337/407

(under subclass 402) Subject matter wherein the contact control means includes spring or other potential energy storage means whereby a major portion of the force exerted in actuating the switch contacts from one condition to another is derived.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52+, for similar subject matter in electrothermally actuated switches utilizing bimetallic elements.

317+, for thermally responsive expansible fluid actuated switches with spring actuated contact control means.

342+, for similar subject matter in thermally actuated switches utilizing bimetallic elements.

388, for thermal expansible solid element switch with mechanical means having spring or other energy storage means.