Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1990-01-30
1991-04-30
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182107, E06C 748
Patent
active
050109790
ABSTRACT:
An improved ladder stabilizing device for supporting a ladder a spaced distance away from a substantially vertical surface is disclosed. The device of the present invention includes a U-shaped support bar which forms two parallel legs, the ends of which rest against the substantially vertical surface. The support bar is attached to a leveling device consisting essentially of a U-shaped channel. The ends of the leveling device rest against the side rails of the ladder and the support bar engages the U-shaped channel. The leveling device and the support bar are simultaneously attached to the side rails of the ladder. The stabilizing device is easily removable and holds the ladder a distance from the substantially vertical surface to provide a safe angle of support.
REFERENCES:
patent: 1393922 (1921-10-01), Taylor
patent: 1471848 (1923-10-01), Johnson
patent: 2237596 (1941-04-01), Eilers
patent: 3288249 (1966-11-01), Gibson
patent: 3568801 (1971-03-01), Werner
patent: 4061203 (1977-12-01), Spencer
patent: 4331217 (1982-05-01), Stecklow
patent: 4369860 (1983-01-01), Beane
patent: 4502566 (1985-03-01), Wing
patent: 4580668 (1986-04-01), Morris
patent: 4823912 (1989-04-01), Gould
Machado Reinaldo P.
Obrecht, Jr. Charles F.
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