US PATENT SUBCLASS 248 / 590
.~.~.~ Torsion spring coaxial with pivot


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  DF  .~.~ Resilient means acts through linkage or gear {5}
590.~.~.~ Torsion spring coaxial with pivot


DEFINITION

Classification: 248/590

Torsion spring coaxial with pivot:

(under subclass 584) Structure comprising at least one torsion spring which is coaxial with a pivot.