US PATENT SUBCLASS 213 / 119
.~.~.~.~.~.~ Combined locks

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.~.~.~.~.~.~ Combined locks {4}
120  DF  .~.~.~.~.~.~.~> Vertically movable and horizontally rotatable
121  DF  .~.~.~.~.~.~.~> Vertically movable and tilting
122  DF  .~.~.~.~.~.~.~> Vertically sliding {1}
124  DF  .~.~.~.~.~.~.~> Pivoted or rotatable

DEFINITION

Classification: 213/119

Where the knuckle-opening device is formed as a part of or secured to the lock and the knuckle opening operation follows a preliminary movement to unlock the knuckle.