Adjustable legs for ladder

Details Adjustable legs for ladder Adjustable legs for ladder

1976-04-06

1977-06-14

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

E06C 744

Patent

active

040291740

ABSTRACT:
A ladder designed for standing upon an inclined or other uneven surface; the ladder in one design having a metal block secured to a lower end of each leg, each block having a threaded vertical opening in which a threaded extension is vertically adjustable, a lower end of the extension having plate with a skid-proof bottom.

REFERENCES:
patent: 332684 (1885-12-01), Tuttle
patent: 2213471 (1940-09-01), Minnick

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