US PATENT SUBCLASS 337 / 176
.~.~.~.~.~ Fusible element controlled

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}
168  DF  .~.~ Cutout or disconnect type (an assembly) of a fuse support and fuse holder with or without a fuse link) {3}
171  DF  .~.~.~ With dropout features (i.e., the fuse tube will be separated, or drop away from, at least on the main circuit contacts) {3}
174  DF  .~.~.~.~ With holding, latch or trip means {2}
176.~.~.~.~.~ Fusible element controlled {3}
177  DF  .~.~.~.~.~.~> With fuse link extracting means
178  DF  .~.~.~.~.~.~> Spring biased
179  DF  .~.~.~.~.~.~> With delayed action

DEFINITION

Classification: 337/176

(under subclass 174) Subject matter wherein the holding, latching or tripping structure is specifically described as comprising a means held in operative position solely by the tension in a fuse link or element and which is automatically released upon the rupture of the fuse element.