Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1991-11-19
1993-01-26
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182105, 182116, 248238, E06C 716
Patent
active
051815826
ABSTRACT:
A scaffold for an A-frame ladder, including a platform for being positioned between two legs of the ladder, supported on a bottom side of the platform intermediate two opposing ends thereof by a rung of the ladder and extending outwardly from opposite sides of the ladder. The scaffold includes a first strut pivotally attached to the bottom side of the platform adjacent one end thereof and extending diagonally downward for engagement with a rung of the ladder below the rung supporting the bottom side of the platform, and a second strut pivotally attached to the bottom side of the platform adjacent the other end and extending diagonally downward for engagement with the rung of the ladder with which the first strut is engaged. A third strut is attached to the bottom side of the platform adjacent the one end thereof in lateral spaced-apart relation to the first strut and extends diagonally downward for engagement with the rung of the ladder with which the first and second struts are engaged, in lateral spaced apart relation to both first and second struts.
REFERENCES:
patent: 96495 (1969-11-01), Smith
patent: 487301 (1892-12-01), Sorg
patent: 610487 (1898-09-01), Hoover
patent: 886737 (1908-05-01), Taylor
patent: 2581027 (1952-01-01), Keest
patent: 2606079 (1952-08-01), White
patent: 2730412 (1956-01-01), Yoder
patent: 4211307 (1980-07-01), Ethridge
patent: 4533018 (1985-08-01), Tyson
Adams, III W. Thad
Machado Reinaldo P.
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