US PATENT SUBCLASS 297 / 300.8
.~.~.~.~.~ Manually

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

285  DF  BACK MOVEMENT RESILIENTLY OPPOSED IN OPERATING POSITION {12}
300.1  DF  .~ Back and seat adjust simultaneously {1}
300.2  DF  .~.~ Back tilts while seat inclination adjusts {4}
300.6  DF  .~.~.~ Including back limiting device {1}
300.7  DF  .~.~.~.~ Adjustable {1}
300.8.~.~.~.~.~ Manually

DEFINITION

Classification: 297/300.8

Manually:

(under subclass 300.7) Adjustable limiting device wherein the adjustable means to temporarily suspend motion of the back support is manipulated by the seated occupant by pulling, pushing, or rotating an operating handle.