US PATENT SUBCLASS 297 / 259.4
.~.~ Spring attached

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

258.1  DF  ROCKER-MOUNTED {7}
259.1  DF  .~ Bottom connected to rocker for movement supplemental to rocking motion {3}
259.4.~.~ Spring attached

DEFINITION

Classification: 297/259.4

Spring attached:

(under subclass 259.1) Device comprising an elastic means joining the seat to the rocker to provide a bouncing motion of the body supporting means during the rocking motion.

(1) Note. In this subclass are devices in which a spring is interposed between the bottom and rocker so that the bottom yields during the rocking motion.