US PATENT SUBCLASS 297 / 362.12
.~.~.~.~ Actuated shaft

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}
361.1  DF  .~.~.~ Mechanical operator tilts back fore and aft {3}
362.12.~.~.~.~ Actuated shaft {2}
362.13  DF  .~.~.~.~.~> Gas or hydraulic cylinder
362.14  DF  .~.~.~.~.~> Threaded shaft

DEFINITION

Classification: 297/362.12

Actuated shaft:

(under subclass 361.1) Device wherein the mechanism includes an actuated rod member attached to the back to cause the tilting movement.