发明名称 Safe room system for folding attic stair assembly
摘要 A system and method for establishing a safe room environment within an attic space utilizing a typical folding attic stair and door assembly. The system includes components that retrofit to an existing folding attic stair in a manner that allows the user to draw the attic stair up behind them and to secure the attic door panel closed and locked while the user is within the attic space. The components include a retractable lift cord attached to a middle section of the attic stair, and a lift rod attached to the attic door. Brackets and frames positioned on the attic door and door frame allow the user to pull up to fold and raise the stair into the attic space. A lock may then secure the attic stair closed preventing access from below. Methods for installing the system and using the system are provided.
申请公布号 US8997411(B2) 申请公布日期 2015.04.07
申请号 US201313966532 申请日期 2013.08.14
申请人 发明人 Whitten Josiah;Whitten Kimberly
分类号 A46B13/00;E04H9/04;E04F11/06 主分类号 A46B13/00
代理机构 Kammer Browning PLLC 代理人 Kammer Browning PLLC
主权项 1. A system of components for creating a safe room environment within a residence having an attic space, the attic space routinely accessible by way of a multi-section folding attic stair and door assembly, the system of components comprising: a lift cord having a fixed end secured to a middle section of the folding attic stair assembly and a free end movable into the attic space; a lift rod having a fixed end pivotally secured to a top section of the folding attic stair and door assembly, and a free end movable into the attic space; and a lock positioned on the attic stair assembly, the lock operable from the attic space to secure the folding attic stair and door assembly in an elevated and closed condition; wherein after accessing the attic space by way of the multi-section folding attic stair and door assembly, the free end of the lift cord is pulled to fold the stair sections together and the free end of the lift rod is lifted to draw up and close the multi-section folding attic stair and door assembly, where the assembly is secured by the lock.
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