Safety ladder device

Details Safety ladder device Safety ladder device

1986-01-16

1987-02-17

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Safety device for ground-supported ladder

182 45, 182 93, 182206, E06C 136, E06C 748

Patent

active

046432752

ABSTRACT:
The invention is a climbing device comprising a ladder with a pair of spaced apart upright members for leaning against a structure and a plurality of spaced apart rungs each extending between and supported by the upright members, a stabile support member having a base portion for securement to the structure and a retainer portion engaged with one of the rungs and selectively disengageable therefrom, and fastening means for fixing the base portion to the structure. The securely fastened stabile support prevents slippage of the ladder and together therewith provides a safe apparatus for climbing structures.

REFERENCES:
patent: 328999 (1885-10-01), Ballmann
patent: 528169 (1894-10-01), Kenison
patent: 1374060 (1921-04-01), Chute
patent: 1433236 (1922-10-01), Schaaf
patent: 1495485 (1924-05-01), Jersomann
patent: 1994369 (1935-03-01), Risser
patent: 2327317 (1943-08-01), Randall
patent: 2446093 (1948-07-01), Lambert
patent: 3552522 (1971-01-01), Bobo
patent: 4143743 (1979-03-01), Larson
patent: 4164269 (1979-08-01), Jackson

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