US PATENT SUBCLASS 49 / 174
.~ Edgewise retractable bearing acting between closure and portal frame


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

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
174.~ Edgewise retractable bearing acting between closure and portal frame {1}
175  DF  .~.~> Towards closure


DEFINITION

Classification: 49/174

(under subclass 149) Device comprising a slide or guide strip acting between the edge surface of the closure and the adjacent portal frame surface to restrict the movement of the closure to a longitudinal reciprocation parallel to the surfaces; which said slide or guide is movable in a plane parallel to the plane of reciprocation to thereby permit movement of the closure about a pivot.

SEE OR SEARCH THIS CLASS, SUBCLASS:

172+, for a closure which is pivoted on a sliding stile, wherein the stile is laterally retractable to permit swinging of the closure.

194+, for a closure to frame guide strip which is otherwise moved or removed to permit rotation of the closure.

316+, for an operator for a movably mounted sealing, guiding or locking strip between a frame and a closure, e.g., to release the closure for swinging movement, and see the search notes thereto for the loci of other movable sealing, guiding or locking strips.

414+, for a biased bearing surface for a reciprocating closure wherein the biasing means permit lateral displacement of the bearing surface.