Fire escape – ladder – or scaffold – Convertible – Ladder
Patent
1984-05-29
1985-05-28
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Convertible
Ladder
182 27, 182 35, 182151, 182164, E04G 130, E06C 716, E06C 1383
Patent
active
045194769
ABSTRACT:
This invention relates to a detachable top to be used with foldup ladders of the type described in co-pending applications Ser. Nos. 06/341,830; 06/492,487; and 06/537,276. Also, this top can be used with the slidable ladder described in U.S. Pat. No. 4,429,766. This ladder can be converted into many structures such as a workbench, table or step ladder. The top comprises a rectangular main portion and a narrower extending section. The main portion fits over and around the rails of the ladder (after conversion to a workbench) and the narrower extending section fits inside the rails but on substantially the same plane as the main portion.
REFERENCES:
patent: 476897 (1892-06-01), Ripp
patent: 513012 (1894-01-01), Hall
patent: 575397 (1897-01-01), Hilliker
patent: 738998 (1903-09-01), Heath
patent: 3241633 (1966-03-01), Bond
patent: 3452838 (1969-07-01), Gabrielson
patent: 4429766 (1984-02-01), Marques
patent: 4448283 (1984-05-01), Marques
patent: 4457391 (1984-07-01), Marques
Alimbau Marques Salvador
Grasselli Giorgio
Andral Corporation
Machado Reinaldo P.
Ralabate James J.
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