US PATENT SUBCLASS 213 / 131
.~.~.~.~.~.~ Lock-operating

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}
131.~.~.~.~.~.~ Lock-operating {2}
132  DF  .~.~.~.~.~.~.~> Continuing movement {3}
137  DF  .~.~.~.~.~.~.~> Separate movement {1}

DEFINITION

Classification: 213/131

Wherein devices of the class indicated means which is employed for operating the lock to its unlocked position can upon further movement thereof operate to open the knuckle.