Fire escape – ladder – or scaffold – Convertible
Patent
1974-04-23
1976-05-04
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Convertible
280 30, E06C 1397
Patent
active
039541550
ABSTRACT:
A stepladder with a sturdy plate mounted on its top surface and a pair of wheels mounted near the top of the ladder is provided so that upon folding the legs together and inverting the ladder, it becomes a dolly which rides on said wheels and employs the plate as a carry plate. Additional wheels or casters are added to the other end of the ladder to convert same to a wheeled flat bed.
REFERENCES:
patent: 680402 (1901-08-01), Court
patent: 867754 (1907-10-01), Randall
patent: 1116779 (1914-11-01), Witt
patent: 1423366 (1922-07-01), Snook
patent: 2834526 (1958-05-01), Paris
patent: 2922487 (1960-01-01), Reitknecht
patent: 3104889 (1963-09-01), Branch
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