US PATENT SUBCLASS 297 / 300.2
.~.~ Back tilts while seat inclination adjusts

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.~.~ Back tilts while seat inclination adjusts {4}
300.3  DF  .~.~.~> Fluid-spring
300.4  DF  .~.~.~> Torsion bar or torsion spring
300.5  DF  .~.~.~> Coil spring
300.6  DF  .~.~.~> Including back limiting device {1}

DEFINITION

Classification: 297/300.2

Back tilts while seat inclination adjusts:

(under subclass 300.1) Simultaneously adjusted back and seat wherein the bottom moves to an angular position relative to a generally horizontally plane, as the upright support pivots.