US PATENT SUBCLASS 213 / 125
.~.~.~.~.~.~ Lock-operated

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

75 R  DF  COUPLINGS {9}
77  DF  .~ Counterpart {2}
100 R  DF  .~.~ Interengaging hooks and knuckles {6}
104  DF  .~.~.~ Horizontally swinging {4}
109  DF  .~.~.~.~ Janney type {17}
115  DF  .~.~.~.~.~ Knuckle openers {5}
125.~.~.~.~.~.~ Lock-operated {3}
126  DF  .~.~.~.~.~.~.~> Vertically sliding locks {2}
129  DF  .~.~.~.~.~.~.~> Vertically swinging locks
130  DF  .~.~.~.~.~.~.~> Horizontally sliding locks

DEFINITION

Classification: 213/125

Wherein devices of the class indicated the coupler is provided with means for opening the knuckle which is operated by movement of the lock after a preliminary movement thereof to unlock the knuckle.