Auxiliary extension platform assembly support frame drive means

Details Auxiliary extension platform assembly support frame drive means Auxiliary extension platform assembly support frame drive means

1974-12-11

1976-06-15

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Means maintaining platform level on angularly movable support

Swingable support

B66F 1104

Patent

active

039630951

ABSTRACT:
A vehicular mounted, multiply-articulated aerial lift and ladder assembly comprised of a terminally affixed and partially enclosed platform member pivotally connected to a linked parallel bar assembly having a ladder section as the outward longitudinal element thereof, wherein the linked parallel bar assembly is in turn pivotally connected to the uppermost end of the extension member of a vertically displaceable dual-membered main extension ladder assembly which at the lower end thereof is pivotally attached to a horizontally rotatable platform affixed to a supporting structure upon the vehicle, the entire combined aerial lift and ladder assembly heretofore described having displacement powering means entirely operable from a control panel within the platform member, whereby a person occupying the platform may accurately position and maintain himself in an extended aerial work location within the horizontally oriented platform member. Design features of the aerial lift and ladder assembly incorporate both automatic and motor powered horizontal levelling provisions for the platform member.

REFERENCES:
patent: 3596976 (1971-08-01), Eitel
patent: 3608671 (1971-09-01), Ashworth
patent: 3708037 (1973-01-01), Tranchero
patent: 3710893 (1973-01-01), Hippach
patent: 3767007 (1973-10-01), Garnett
patent: 3834488 (1974-09-01), Grove

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