Insulated ceiling hatch

Details Insulated ceiling hatch Insulated ceiling hatch

E - Fixed Constructions

06

B

E06B 11/02 (2006.01) E04B 9/00 (2006.01)

Patent

CA 2486004

A ceiling hatch employs a frame having an upper edge and a lower edge and a passage bounded by a sidewall passing therebetween, the passage extending from the lower edge to the upper edge and having its minimum cross section at the lower edge. This frame is employed with an insulating block bounded by a top surface, a bottom surface and a side surface, and which is configured to be positionable substantially within the passage and substantially filling the same. A hinge attaches the frame to the insulating block, providing pivotable action between the insulating block and the frame about a pivot axis and allowing the insulating block to be swung out of the passage on an interference-free path such that the bottom surface of the insulating block is in a horizontal plane when the insulating block resides substantially within the passage.

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