Adjustable self-locking level support

Details Adjustable self-locking level support Adjustable self-locking level support

1974-02-01

1978-06-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

E06C 744

Patent

active

040956717

ABSTRACT:
The invention relates to a self-locking level support primarily for ladders and the like, the support being adjustable to fit ladders of different widths.

REFERENCES:
patent: 1475437 (1923-11-01), Klocke
patent: 2548311 (1951-04-01), Johnson
patent: 2835427 (1958-05-01), Balcar
patent: 2894670 (1959-07-01), Anderson
patent: 2969126 (1961-01-01), Gardner
patent: 3102606 (1963-09-01), Hopfeld
patent: 3215383 (1965-11-01), Wright

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