Fire resistant attic stairs
AssigneeFAKRO PP Sp. z o. o.
InventorsPiotr Zak, Boguslaw Kasinski, Bartlomiej Mos
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Abstract
Attic stairs are constructed out of a box, a ladder, a box closing hatch, so that the ladder is suspended from attic stairs box using hinges and the closing hatch is suspended from the ladder. The closing hatch features a stratified structure, including an inner layer located between two rigid outer strata, where the inner layer is entirely filled with a fire resistant material.
Claims20
Attic stairs, comprising a box, a ladder, and a closing hatch, wherein the ladder is suspended from the box using hinges, and the closing hatch is suspended from the ladder and features a layered structure comprising an inner layer located between two rigid outer layers, wherein the inner layer is entirely filled with a fire resistant material.
Dependencies are inferred from the claim text.