US PATENT SUBCLASS 297 / 216.15
.~ Bottom and back interconnected for relative concurrent movement

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

216.1  DF  CRASH SEAT {5}
216.15.~ Bottom and back interconnected for relative concurrent movement

DEFINITION

Classification: 297/216.15

Bottom and back interconnected for relative concurrent movement:

(under subclass 216.1) Device including a bottom and a back which are joined so that, in response to excessive force, movement of either the bottom or back causes the other to move at the same time and change its relative position with respect to the other.