US PATENT SUBCLASS 433 / 57
.~.~.~.~ Including hinge having parts which cooperate in a manner allowing relative movement

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
49  DF  .~ Work support {3}
53  DF  .~.~ Including means to support plural workpieces for relative movement {1}
54  DF  .~.~.~ Articulator or attachment therefor {7}
57.~.~.~.~ Including hinge having parts which cooperate in a manner allowing relative movement {1}
58  DF  .~.~.~.~.~> And resiliently biased

DEFINITION

Classification: 433/57

Including hinge having parts which cooperate in a manner allowing relative movement:

(under subclass 54) Apparatus wherein the relative movement between the first and second work carrying means is governed by a joint which comprises a fulcrum carried by one of said work carrying means and a cooperating surface on the other of said work carrying means, wherein the fulcrum pivots and translates relative to the cooperating surface.