US Patent 9109365 Insulated cover for attic openings

An insulated cover for attic openings is provided which is adapted for pivotal mounting to the portion of the building surrounding the attic opening. The insulated cover includes cover structure for positioning in spanning relationship across the opening, a pivotal mount for enabling the cover to pivot from a spanning position enclosing the opening to an access-permitting position, and a magnetic coupler including a plurality of magnetic pairs for releasably holding the cover structure in position. The cover structure includes a recess for receiving a pullcord of the like, and a receiver adapted to couple with a rod for controlled pivoting of the cover structure and release of the magnetic connection between the magnetic pairs.