Foldable ladder

Details Foldable ladder Foldable ladder

1991-05-24

1992-02-11

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

With indicator, signal or alarm

182 20, 182127, 182129, 280 4717, E06C 1397, E06C 534

Patent

active

050868721

ABSTRACT:
The present disclosure is related to an improved foldable ladder, and more particularly to a foldable one equipped with a pair of wheels so that the ladder can be converted into a push cart of various types for transportation of goods with ease. The foldable ladder is made up of a number of sections joined together one by one by way of adjustable knuckles which can be put in a number of different positions so that the ladder can be transformed into a plurality of forms of cart when a pair of wheels are removably attached to the bottom of the ladder.

REFERENCES:
patent: 3074507 (1963-01-01), Pelky
patent: 4009762 (1977-03-01), Bjerkgard
patent: 4049283 (1977-09-01), Brookes
patent: 4690248 (1987-09-01), Killen

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