US PATENT SUBCLASS 16 / 338
.~.~.~ Screw-threaded adjustment

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

221  DF  HINGE {32}
319  DF  .~ Including means to hold or retard hinged members against pivotal movement (e.g., catch) {8}
337  DF  .~.~ By friction {3}
338.~.~.~ Screw-threaded adjustment {1}
339  DF  .~.~.~.~> Along or parallel to hinge axis {1}

DEFINITION

Classification: 16/338

Screw-threaded adjustment:

(under subclass 337) Hinge wherein a helically threaded element is provide for varying the pressure between the two opposing surfaces to control the frictional resistance to movement of one surface over the other.