Insulating cover for pull down stair
OwnerRobert A. Edwardsinventor
Life of this patent
Estimating the term…
Abstract
An insulating cover larger than and fitting over the opening in an upper floor between the upper floor and an adjacent lower floor of a structure which has an open top, box-like shape with a pair of wheels on its back wall and front inside and outside handles. Optionally, the edges of the wall have an insulating gasket and the top of the cover has insulating means thereon. The cover is sufficiently deep to receive the folded stairs between its top and the trap door.
Claims5
An insulating cover adapted to fit over an opening between the upper floor and the lower floor of a structure in which a folding stairway selectively provides access between the floors and wherein the bottom of said opening is closed by a trap door, when the folding stairway is in the folded position;
- said cover comprising an inverted box-like structure of a size such as to over lie said opening and having a top, front, rear and side walls;
- inner and outer handles fixed to said front wall;
- a pair of wheels on the outside of said rear wall and adapted to contact the surface of said upper floor when said cover is raised;
- said cover having a depth sufficient to receive therein said stairway in the folded position of the stairway between said top and said trap door.
Dependencies are inferred from the claim text.