US PATENT SUBCLASS 213 / 183
.~.~.~ Pivoted head

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

75 R  DF  COUPLINGS {9}
*  DD  .~ Link or bar type {8}
182  DF  .~.~ Headed link and shouldered slot {2}
183.~.~.~ Pivoted head

DEFINITION

Classification: 213/183

Wherein devices of the class indicated the head of the link moves on a pivot.

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85, and 96.