Portable scaffolding device

Details Portable scaffolding device Portable scaffolding device

1977-07-19

1979-02-06

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Suspended platform

182 55, 182152, E04G 306

Patent

active

041379969

ABSTRACT:
A scaffolding device comprising a pair of units each having spaced vertical suspension members, a top rail member and a bottom cross member joined together, the top rail members extending forwardly of the adjacent vertical suspension members and telescopically receiving adjustable L-shaped arms for embracing a windowsill. Bumpers extend from the vertical suspension members nearest the building wall and engage the latter for lateral stability purposes. A platform is pivotally connected to the cross member of one unit and lies across the cross member of the other unit. The units are interconnected by a collapsible gate and a chain, and the chain also connects to the platform for assisting in the raising of the platform during removal of the device from a window opening.

REFERENCES:
patent: 1868187 (1932-07-01), Avallone
patent: 2085572 (1937-06-01), Burda
patent: 2854292 (1958-09-01), Schaeffer
patent: 3231043 (1966-01-01), Brown
patent: 3527354 (1970-09-01), Sokolov

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