US PATENT SUBCLASS 213 / 115
.~.~.~.~.~ Knuckle openers

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.~.~.~.~.~ Knuckle openers {5}
116  DF  .~.~.~.~.~.~> Springs
117  DF  .~.~.~.~.~.~> Gravity {1}
119  DF  .~.~.~.~.~.~> Combined locks {4}
125  DF  .~.~.~.~.~.~> Lock-operated {3}
131  DF  .~.~.~.~.~.~> Lock-operating {2}

DEFINITION

Classification: 213/115

Wherein devices of the class indicated means are employed to

throw the knuckle to its open position after the lock for the knuckle is released.