US PATENT SUBCLASS 16 / 240
.~.~.~ Including screw-operated means to move hinged members

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

221  DF  HINGE {32}
235  DF  .~ Including adjustment for changing relative orientation of hinged members {6}
239  DF  .~.~ Pivotal adjustment {1}
240.~.~.~ Including screw-operated means to move hinged members {1}
241  DF  .~.~.~.~> About hinge axis

DEFINITION

Classification: 16/240

Including screw-operated means to move hinged members:

(under subclass 239) Hinge including a force multiplier in the form of cooperating helically ribbed or grooved members which are relatively rotated to move one hinge portion about an axis relative to another hinge portion.