Ladder leveling device

Details Ladder leveling device Ladder leveling device

1976-05-13

1977-03-29

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

E06C 744

Patent

active

040144062

ABSTRACT:
A ladder leveling device is disclosed by which one or both legs of the leveling device are adapted to be elongated to provide an upright and continuously stable position for the ladder on sloping or an irregular base.

REFERENCES:
patent: 388076 (1888-08-01), Schmidt
patent: 810170 (1906-01-01), Potter
patent: 3858993 (1975-01-01), Lovisa

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