US PATENT SUBCLASS 16 / 315
.~.~.~.~ And detent in cam surface

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}
313  DF  .~.~.~ And rolling element {2}
315.~.~.~.~ And detent in cam surface

DEFINITION

Classification: 16/315

And detent in cam surface:

(under subclass 313) Hinge wherein the vertically sloped or curved surface includes a discrete depression, hole, or protuberance adapted to be engaged by the follower to fix the relative position of the hinged members* about the hinge axis*.

(1) Note. The detent must be in addition to the valley or trough between oppositely sloped surfaces of a double-acting gravitating hinge.