US PATENT SUBCLASS 280 / 513
.~.~.~.~ Reciprocating jaw or retainer

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
504  DF  .~.~ Coupling {7}
511  DF  .~.~.~ Ball and socket {2}
513.~.~.~.~ Reciprocating jaw or retainer

DEFINITION

Classification: 280/513

(under subclass 511) Devices in which the socket has a portion or portions thereof movable rectilinearly to permit assembly of the ball therein.