Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1983-03-28
1985-03-05
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182107, E06C 748
Patent
active
045025665
ABSTRACT:
A wall stand-off apparatus and method for supporting virtually any ladder adjacent to a substantially vertical surface. The novel wall stand-off apparatus of the present invention comprises a U-shaped support bar which forms two, substantially parallel legs. Each leg is provided with an extension member, such that the legs are individually adjustable in length.
Two clamps are pivotally connected to the support bar. Each clamp comprises two movable, opposing jaws which are adapted to be attached to a portion of the ladder which is inserted therebetween. Each clamp includes a thumbscrew such that when a ladder's side rail or rung is inserted into the clamp, the thumbscrew may be tightened so as to firmly secure the clamp to the ladder. With both clamps properly secured to either the side rails or a rung of a ladder, the ladder may thereafter be leaned against a substantially vertical wall, with the legs of the support bar resting against the wall. The length of each leg may then be adjusted, as needed, by using the above-mentioned leg extension members.
REFERENCES:
patent: 1471848 (1923-10-01), Johnson
patent: 1579136 (1926-03-01), Paxson
patent: 2327317 (1943-08-01), Randall
patent: 2903086 (1959-09-01), Chubbs
patent: 3268196 (1966-08-01), Anton
patent: 3288249 (1966-11-01), Gibson
patent: 4061203 (1977-12-01), Spencer
Little Giant Industries, "The Little Giant Wall Stand-Off Stands Up To Tricky Ladder Tasks", (advertising brochure).
Little Giant Industries Inc.
Machado Reinaldo P.
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