US PATENT SUBCLASS 105 / 286
.~.~ Door actuators


Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

238.1  DF  SPECIAL CAR BODIES {11}
239  DF  .~ Dumping {14}
286.~.~ Door actuators {10}
287  DF  .~.~.~> Serial and selective
288  DF  .~.~.~> Multiple door {1}
293  DF  .~.~.~> Creeping shaft {2}
296  DF  .~.~.~> Crank shaft {2}
299  DF  .~.~.~> Crank and link
300  DF  .~.~.~> Chain winder {3}
304  DF  .~.~.~> Toggle or strut
305  DF  .~.~.~> Rack and pinion
306  DF  .~.~.~> Lever or chain
307  DF  .~.~.~> Screw or worm


DEFINITION

Classification: 105/286

(under subclass 239) Devices for operating dumping-car doors.