US PATENT SUBCLASS 337 / 178
.~.~.~.~.~.~ Spring biased

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~.~.~.~ Fusible element controlled {3}
178.~.~.~.~.~.~ Spring biased

DEFINITION

Classification: 337/178

(under subclass 176) Subject matter including spring biasing means whereby the operation of the latch or the fuse link

extracting device is positively influenced toward an operated condition.