US PATENT SUBCLASS 16 / 330
.~.~.~.~.~.~ Opposed interdigitated sliding collars on hinge axis

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}
321  DF  .~.~ Resiliently biased catch {7}
327  DF  .~.~.~ Sliding {2}
328  DF  .~.~.~.~ Movement along or parallel to hinge axis {2}
329  DF  .~.~.~.~.~ Interdigitated or plural sockets {1}
330.~.~.~.~.~.~ Opposed interdigitated sliding collars on hinge axis

DEFINITION

Classification: 16/330

Opposed interdigitated sliding collars on hinge axis:

(under subclass 329) Hinge wherein the cooperating elements comprise two substantially annular or cylindrical portions whose axes coincide with the hinge axis*, along which the cooperating elements are constrained to translate toward and away from each other, wherein cooperating protuberances and recesses are provided on an axial face of each annular or cylindrical portion.