Fire escape – ladder – or scaffold – Detachable window seat type – Interior wall-engaging means
Patent
1998-02-06
1999-03-09
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Detachable window seat type
Interior wall-engaging means
182 55, E04G 306
Patent
active
058788352
ABSTRACT:
A window scaffolding system including a pair of main support frames. The pair of main support frames are oriented in a side by side relationship for supporting planks of wood on upper and lower ends thereof. A pair of L-shaped window engagement members couple with the pair of main supports for securement to a window opening. A supplemental safety bar is provided having a generally elongated and planar configuration. The safety bar has a pair of pads disposed on opposing ends thereof and a central pad disposed on a central portion thereof. A bolt extends through the central portion and the central pad for securement to the window engagement members to preclude the system from disengaging the window opening.
REFERENCES:
patent: 280803 (1883-07-01), Dearborn
patent: 1239472 (1917-09-01), Florian
patent: 1325229 (1919-12-01), Braund
patent: 1478100 (1923-03-01), Hughmiller
patent: 1912319 (1933-05-01), Suejda
patent: 2194978 (1940-03-01), Irgland
patent: 2849251 (1958-08-01), Woyton
patent: 4428457 (1984-01-01), Fikkers
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