US PATENT SUBCLASS 297 / 372
.~.~.~.~ Depending pawl or rack prop pivoted to back

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

353  DF  MOVABLE BACK {2}
354.1  DF  .~ Tiltable {3}
354.12  DF  .~.~ Plural distinct occupant-supporting positions {11}
366  DF  .~.~.~ Rack and pawl {3}
372.~.~.~.~ Depending pawl or rack prop pivoted to back

DEFINITION

Classification: 297/372

(under subclass 366) Device wherein either the rack or pawl hingedly depends from the back and selectively engages with an opposite cooperating member on a stationary portion of the seat.