US PATENT SUBCLASS 213 / 112
.~.~.~.~.~.~ Transition construction and devices

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}
111  DF  .~.~.~.~.~ Auxiliary and emergency {1}
112.~.~.~.~.~.~ Transition construction and devices

DEFINITION

Classification: 213/112

Wherein devices of the class indicated the modification of structure or the use of the additional device are to adapt the coupler to couple with other used types of couplers. The purpose is to adapt the Janney type for use on railroads equipped with other types during the transition period from the type used to the Janney type.