US PATENT SUBCLASS 213 / 123
.~.~.~.~.~.~.~.~ Pivotally-attached member

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}
119  DF  .~.~.~.~.~.~ Combined locks {4}
122  DF  .~.~.~.~.~.~.~ Vertically sliding {1}
123.~.~.~.~.~.~.~.~ Pivotally-attached member

DEFINITION

Classification: 213/123

Where the opening operation is effected by a member pivoted to the knuckle.