US PATENT SUBCLASS 105 / 302
.~.~.~.~ Tension lock shifter

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}
300  DF  .~.~.~ Chain winder {3}
302.~.~.~.~ Tension lock shifter

DEFINITION

Classification: 105/302

(under subclass 300) Chain winders in which the door seats in closed position, a continued operation of the chain-winder

produces an increased chain tension, which operates the door-lock.