US PATENT SUBCLASS 248 / 580
.~ Including load sustaining bearing or guide

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
580.~ Including load sustaining bearing or guide {8}
581  DF  .~.~> Including suspended horizontal frame or platform
582  DF  .~.~> Pivot intermediate plural springs
583  DF  .~.~> Plural axes, e.g., angular and linear, universal, etc.
584  DF  .~.~> Resilient means acts through linkage or gear {5}
592  DF  .~.~> Resilient means acts through arm or lever {3}
596  DF  .~.~> Stationary horizontal pivot {2}
599  DF  .~.~> Resiliently supported leg or standard {1}
602  DF  .~.~> For movement along a linear axis

DEFINITION

Classification: 248/580

Including load sustaining bearing or guide:

(under subclass 560) Structure comprising a bearing or guide which mounts the supported device for movement relative to the support, said bearing or guide being so constructed as to take a vertical or lateral load.

SEE OR SEARCH CLASS

297, Chairs and Seats,

300.1+, for a back tiltable with a bottom against a biasing means; and subclasses 332+ for a bottom tiltable against a biasing means.