Ladder leveler

Details Ladder leveler Ladder leveler

1990-07-16

1992-04-28

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

182109, 182111, E06C 744

Patent

active

051079585

ABSTRACT:
A Johnson Ladder Leveler serving to level a ladder on an uneven surface comprising an extension leg held by a bolt nut apparatus to a treaded triangular foot which said extension leg extends longitudinally when in use while fastened by way of a spring pin head on a spring pin welded to said extension's leg's medial side and by way of a threaded screw bolt from without to a ladder receiving sleeve via insertion into said ladder receiving sleeve's outermost of two compartments while said ladder receiving sleeve internally holds an internally mounted ladder leg within the innermost of said ladder receiving sleeve's said two compartments.

REFERENCES:
patent: 1157739 (1915-10-01), Tyler
patent: 2783928 (1957-03-01), Cox
patent: 3165170 (1965-01-01), Blaney
patent: 3861500 (1975-01-01), Dempsey
patent: 3882966 (1975-05-01), Fasano
patent: 4423797 (1984-01-01), Batten

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