Fire escape – ladder – or scaffold – Body catcher – Sheet or net type
Patent
1994-03-24
1994-10-04
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Body catcher
Sheet or net type
182129, E04G 2100
Patent
active
053517849
ABSTRACT:
A protective device mounted removably on a scaffold includes a pair of aligned connecting rod assemblies, each of which including an inclined inner rod, an inclined outer rod spaced apart from the inner rod so as to define a guideway between the inner and outer rods, and an inclined middle rod with a top end mounted on the scaffold and a bottom end mounted pivotally on the top ends of the inner and outer rods so as to allow turning of the middle rod downwardly into the guideway. The bottom ends of the inner and outer rods are mounted on the scaffold under the top end of the middle rod. The connecting rod assemblies are spaced apart from each other. A row of aligned and inclined coplanar protective assemblies are disposed side by side on the inner rods. Each of the protective assemblies includes an inclined sheet-like protective unit disposed on the inner rods so as to prevent building materials from falling into a space under the protective assembly, and two elongated retaining units secured on a bottom surface of the protective unit and retained respectively on the inner rods. Each of the retaining units includes a guide member engaged within the corresponding guideway. The protective assemblies can be removed one by one from the connecting rod assemblies.
REFERENCES:
patent: 4074791 (1978-02-01), Inman
patent: 4856615 (1989-08-01), Nusbaum
patent: 5299654 (1994-04-01), Duncan
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