Ladder leg extender and leveler

Details Ladder leg extender and leveler Ladder leg extender and leveler

1987-08-28

1988-08-30

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

2481882, 2481888, 182111, E06C 744

Patent

active

047669764

ABSTRACT:
An improved ladder leg extender and leveler assembly including a frame structure which can be fixed in flush face-to-face relation to a ladder leg side so as to straddle rung fastener protrusions on the ladder leg side, thus avoiding bending stresses, the arrangement permitting quick and efficient assembly.

REFERENCES:
patent: D230370 (1974-02-01), Kaye
patent: 970425 (1910-09-01), Curran
patent: 1179391 (1916-04-01), Bachman
patent: 2911134 (1959-11-01), Derby
patent: 2914135 (1959-11-01), Crouch
patent: 3000041 (1961-09-01), Reynolds
patent: 3021921 (1962-02-01), Poelvoorde
patent: 3083788 (1963-04-01), Studer
patent: 4073367 (1978-02-01), Wright
patent: 4209078 (1980-06-01), Gerber

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