US PATENT SUBCLASS 213 / 97
.~.~.~.~ Rotary head or link

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

75 R  DF  COUPLINGS {9}
77  DF  .~ Counterpart {2}
78  DF  .~.~ Link or bar type {7}
96  DF  .~.~.~ Headed link and shouldered slot {1}
97.~.~.~.~ Rotary head or link

DEFINITION

Classification: 213/97

Where a head on the link or the link itself is adapted for rotative movement to engage or disengage from the shouldered slot.

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