Ladder leveller

Details Ladder leveller Ladder leveller

1986-06-23

1987-06-09

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

182111, E06C 744

Patent

active

046713832

ABSTRACT:
A ladder leveller includes an adjustable base having two adaptors suitable for receiving the ladder feet and a pair of telescopic legs respectively fixed under the two adaptors, wherein both the telescopic legs can be optionally adjusted their heights to allow the base and the ladder feet riding on the base horizontally standing on a rugged floor surface in a stable way.

REFERENCES:
patent: 2481581 (1949-09-01), Ehnhuus
patent: 2608336 (1952-08-01), Dole
patent: 2830852 (1958-04-01), Fritz
patent: 3908796 (1975-09-01), Hurwitz
patent: 3937298 (1976-02-01), Hurwitz
patent: 4095671 (1978-06-01), Forristall
patent: 4143742 (1979-03-01), Fernandez

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