US PATENT SUBCLASS 105 / 293
.~.~.~ Creeping shaft

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  DF  .~.~ Door actuators {10}
293.~.~.~ Creeping shaft {2}
294  DF  .~.~.~.~> Rack and pinion
295  DF  .~.~.~.~> Chain wind

DEFINITION

Classification: 105/293

(under subclass 286) Door actuators comprising a bodily-moving shaft parallel to the door-hinges and movable against the lower side of the door and toward its free edge for closing the door.

(1) Note. The shaft usually travels on fixed guideways on the under frame.