Fire escape – ladder – or scaffold – Ladder with land vehicle
Patent
1988-10-11
1989-08-22
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder with land vehicle
182 68, E06C 524, E06C 504
Patent
active
048587257
ABSTRACT:
A ladder brace designed for transporting, for deploying and supporting a standard, mobile extension ladder and intended to be pivotally attached to the lower, rear portion of a vehicle. The ladder brace consists of two T-shaped support members comprising a first main brace and a second main brace. In its transport position, the ladder brace is positioned with each first brace extending vertically upwardly and with each second brace extending horizontally. The ladder brace is designed such that a standard extension ladder, such as an aluminum ladder having open ended hollow rungs may be positioned in parallel relationship with and between both of the second braces and pivotally supported between both of the second braces. The ladder brace is further designed to allow deployment from the transport position by pulling downwardly on the ladder brace to pivot the second braces, as well as the ladder, from a horizontal position to a substantially vertical position with a portion of each of the T-shaped support members abutting the ground. The ladder brace further comprises a safety stop device pivotally joined with the ladder brace, for initially securing the mobile extension ladder against pivotal movement after deployment of the ladder brace and during final deployment of the mobile extension ladder.
REFERENCES:
patent: 2499091 (1950-02-01), Brubaker
patent: 2586531 (1952-02-01), Gordon
patent: 2946397 (1960-07-01), Berberich
patent: 3043398 (1962-07-01), Bakula
patent: 3123178 (1964-03-01), Monaghan
patent: 3621935 (1971-11-01), Bode
patent: 4174021 (1979-11-01), Barlock
patent: 4408680 (1983-10-01), Ross
patent: 4580660 (1986-04-01), Oling
patent: 4652003 (1987-03-01), Karashima
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