US PATENT SUBCLASS 335 / 113
.~.~.~.~ With holding, locking or latching means

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

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
106  DF  .~ Multiple contact type {5}
107  DF  .~.~ Contacts-selectively, sequentially, alternately, or intermittently actuated {3}
108  DF  .~.~.~ Automatic telephone type {7}
113.~.~.~.~ With holding, locking or latching means

DEFINITION

Classification: 335/113

(under subclass 108) Subject matter wherein the device includes holding, latching or locking means whereby a selected set of movable contacts or a brush is caused to lock onto a particular bank of contacts or a single contact in a given bank when moved to an operated condition and remain in the operated condition until released by some external actuating means or signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

21+, for automatic circuit interrupters with latch or trip means.

77, for motor actuated switches with locking latch or tripping structure.

164, for switches having manually or force of gravity operated latch with electromagnetic trip.

166, for switches with reset means for latch or trip.

167+, for switches with latching means. 172+, for switches with tripping means.

253+, for electromagnet and armature with latch means.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

175+, for similar switching devices not peculiarly adapted for telephone systems and not claimed as being electromagnetically actuated.