US PATENT SUBCLASS 213 / 127
.~.~.~.~.~.~.~.~ And rearwardly swinging

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}
125  DF  .~.~.~.~.~.~ Lock-operated {3}
126  DF  .~.~.~.~.~.~.~ Vertically sliding locks {2}
127.~.~.~.~.~.~.~.~ And rearwardly swinging

DEFINITION

Classification: 213/127

Where the lock is vertically sliding and rearwardly swinging and in the latter movement engages means to open the knuckle. This type is the basis of the coupler which is standard on the railroads of this country.