US PATENT SUBCLASS 213 / 122
.~.~.~.~.~.~.~ Vertically sliding

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.~.~.~.~.~.~.~ Vertically sliding {1}
123  DF  .~.~.~.~.~.~.~>.~ Pivotally-attached member

DEFINITION

Classification: 213/122

Wherein devices of the class indicated the lock has vertical movement only, the latter part of the vertical movement opening the knuckle.