Ladder and carriage combination

Details Ladder and carriage combination Ladder and carriage combination

1989-08-17

1990-06-05

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder with vertically moving platform or escape

Ladder supports platform

187 10, E06C 712, E06C 748

Patent

active

049305999

ABSTRACT:
A combination ladder and carriage carried by the ladder for up and down movement to carry loads up the ladder at construction sites including building, repairs and the like at elevated heights. The upper ends of the ladder rails are extended in bow-like fashion so as to enable the ladder to reach over a roof or other elevated structure, and the carriage has a back wall of flexible construction enabling it to accommodate the bow-like ends of the ladder whereby to bring the load more closely to where it is needed.

REFERENCES:
patent: 593392 (1897-11-01), Fitch
patent: 1183960 (1916-05-01), Ecker et al.
patent: 2588959 (1952-03-01), Campbell
patent: 2660263 (1953-11-01), Raddatz
patent: 2714434 (1955-08-01), Peterson
patent: 3115211 (1963-12-01), Ostnander, Jr.
patent: 3666054 (1972-05-01), Ellings et al.
patent: 4183423 (1980-01-01), Lewis
patent: 4546853 (1985-10-01), Hanson
patent: 4546854 (1985-10-01), Bocker

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