US PATENT SUBCLASS 248 / 584
.~.~ Resilient means acts through linkage or gear

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
580  DF  .~ Including load sustaining bearing or guide {8}
584.~.~ Resilient means acts through linkage or gear {5}
585  DF  .~.~.~> Parallelogram linkage {2}
588  DF  .~.~.~> Crossing links
589  DF  .~.~.~> Suspended support
590  DF  .~.~.~> Torsion spring coaxial with pivot
591  DF  .~.~.~> Plural links connected to support surface

DEFINITION

Classification: 248/584

Resilient means acts through linkage or gear:

(under subclass 580) Structure wherein the resilient means acts through a plurality of interconnected links or gears.