US PATENT SUBCLASS 16 / 290
.~.~.~.~ Including pivoted coaxial spring retaining bar

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

221  DF  HINGE {32}
277  DF  .~ Resiliently biased hinge {10}
286  DF  .~.~ Having transverse helical spring or elastic strip {4}
289  DF  .~.~.~ To counterbalance weight of hinged member (e.g., closure biased to open position) {1}
290.~.~.~.~ Including pivoted coaxial spring retaining bar

DEFINITION

Classification: 16/290

Including pivoted coaxial spring retaining bar:

(under subclass 289) Hinge including an elongated cylindrical rod extending through the length of the elastically deformable element to retain the element in an axially compressed state, wherein the rod is mounted for swinging movement with respect to both hinged members* as one hinged member swings relative to the other about the hinge axis*.