US PATENT SUBCLASS 246 / 244
.~.~.~.~ Latch or clutch release

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

218  DF  ELECTRIC ACTUATION {9}
221  DF  .~ Motor systems {5}
240  DF  .~.~ Rotary armature {3}
243  DF  .~.~.~ Fly-back {1}
244.~.~.~.~ Latch or clutch release

DEFINITION

Classification: 246/244

(under subclass 243) Subject matter in which a rotary

armature is set and held in position against gravity or a spring by latches, clutches, or brakes, or their equivalents, which are released by electrical means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, 258, 259, 263, 300, and 325, for electric latch and clutch release.

299, 301, 302, 324+, and 396, for mechanical latch and clutch release.

SEE OR SEARCH CLASS

192, Clutches and Power-Stop Control, appropriate subclasses for, clutch structure.