(under the class definition) Device provided with an upright frame member adapted to be engaged by adjacent closures in their closed position or adapted to support the adjacent closures for movement, and wherein said frame member is mounted for a separate and distinct movement relative to the closures so as to double the useable area of the closure opening.
SEE OR SEARCH THIS CLASS, SUBCLASS:
45, for a plural wing revolving closure in which the center post about which the wings revolve is movable to one side of the opening.
316, for a retractable upper support which guides a closure from a housing.
SEE OR SEARCH CLASS
160, Flexible or Portable Closure, Partition, or Panel, 119, for a plural strip, slat or panel assembly mounted on opposite sides of a single support, which support is not independently movable or removable.
296, Land Vehicles: Bodies and Tops,
150, for a convertible vehicle body with a displaceable pillar intermediate adjacent closures.