US PATENT SUBCLASS 246 / 238
.~.~.~.~ Latch or clutch release

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

Internet Version by PATENTEC © 1999      Terms of Use


246 /   HD   RAILWAY SWITCHES AND SIGNALS

218  DF  ELECTRIC ACTUATION {9}
221  DF  .~ Motor systems {5}
225  DF  .~.~ Reciprocating armature {4}
237  DF  .~.~.~ Fly-back {2}
238.~.~.~.~ Latch or clutch release

DEFINITION

Classification: 246/238

(under subclass 237) Subject matter in which the elements actuated are 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:

237, 239, 243, 244, 290, 291, 319, 320, and 321, for other fly-back mechanism in this class.

244, 258+, 263, 300, and 325, for electric latch-release in this class.

299+, (except 300), 324 and 396, for mechanical latch-release in this class.

SEE OR SEARCH CLASS

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