US PATENT SUBCLASS 16 / 295
.~.~.~ Coil spring having axis along or parallel to hinge axis

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

221  DF  HINGE {32}
277  DF  .~ Resiliently biased hinge {10}
293  DF  .~.~ Over-center spring or linkage travel (e.g., "holdback hinge") {3}
295.~.~.~ Coil spring having axis along or parallel to hinge axis

DEFINITION

Classification: 16/295

Coil spring having axis along or parallel to hinge axis:

(under subclass 293) Hinge wherein the elastically deformable element comprises a helix or a flat spiral whose convolutions are formed about an axis extending in the direction of the hinge axis*.