(under subclass 149) Device wherein the closure is mounted on a guiding surface for reciprocating movement and wherein the surface is mounted on a support for movement or for ready disjointure to permit swinging movement of the closure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
174+, for a closure-to-frame bearing strip which is laterally retractable to permit swinging of the closure.
316+, for an operator for a movably mounted sealing, guiding or locking strip between a frame and closure, e.g., to release the closure for swinging movement, and see the search notes thereto for the loci of other movable guiding strips.