US PATENT SUBCLASS 16 / 318
.~.~.~ Having aperture for slidably receiving pintle (e.g., camming knuckle)

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

221  DF  HINGE {32}
309  DF  .~ Gravitating hinge having vertical axis {3}
312  DF  .~.~ Including cam surface and follower {4}
318.~.~.~ Having aperture for slidably receiving pintle (e.g., camming knuckle)

DEFINITION

Classification: 16/318

Having aperture for slidably receiving pintle (e.g., camming knuckle):

(under subclass 312) Hinge wherein the vertically sloped or curved surface surrounds an opening through which a hinge pin* is guided for sliding movement as one hinge member*

moves up or down relative to the other.