US PATENT SUBCLASS 213 / 157
.~.~.~.~.~ Detachable ears

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}
157.~.~.~.~.~ Detachable ears

DEFINITION

Classification: 213/157

Wherein devices of the class indicated the ears are removable. The ears are that part of the coupler head to which the knuckle is pivoted.