US PATENT SUBCLASS 49 / 153
.~.~ Swings on link

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
152  DF  .~ One movement multidirectional {3}
153.~.~ Swings on link {2}
154  DF  .~.~.~> Other movement is sliding on link at balance point of closure
155  DF  .~.~.~> Other movement is sliding within portal frame

DEFINITION

Classification: 49/153

(under subclass 152) Device wherein the multidirectional movement is effected by a link pivoted at one end on a support and at its opposite end to the closure so that the closure moves about the axes of both pivots.

SEE OR SEARCH THIS CLASS, SUBCLASS:

246+, for a closure mounted to swing about plural axes; e.g., at each end of a link arm.