US PATENT SUBCLASS 335 / 174
.~.~ Magnetically operated

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
172  DF  .~ Tripping means {2}
174.~.~ Magnetically operated {2}
175  DF  .~.~.~> Utilizing hammer or other impacting means
176  DF  .~.~.~> With adjusting or regulating means

DEFINITION

Classification: 335/174

(under subclass 172) Subject matter wherein the tripping means includes significant magnetic structure whereby the tripping means is actuated. The magnetic flux for operating the trip device may be derived from the main magnetic circuit or from an independent magnetic source.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38+, for automatic circuit interrupting devices with significant magnetic trip structure.

164, for manually or gravity operated latch with electromagnetic trip.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

102, for safety and protective devices, comprising breakers operative by the removal of tripping coil shunt means.