US PATENT SUBCLASS 337 / 275
.~.~.~.~ With draw-out rod

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}
273  DF  .~.~ With arc suppression or extinguishing means {6}
274  DF  .~.~.~ Plural (e.g., auxiliary fuse) {1}
275.~.~.~.~ With draw-out rod

DEFINITION

Classification: 337/275

(under subclass 274) Subject matter wherein at least one of the suppression or extinguishing means consists of a draw out rod. The draw out rod devices usually consist of a relatively massive metallic rod functioning as a movable contact normally connected in the circuit by a fuse and being withdrawn instantly, upon the blowing of the fuse, through a chamber or passage wherein the arc is extinguished by one or more means.