Material or article handling – Elevator or hoist and loading or unloading means therefor – Return – buffer – or counterweight feature
Patent
1978-08-09
1981-06-23
Kunin, Stephen G.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Return, buffer, or counterweight feature
180 2402, 212189, 280764, 280767, 414719, B66C 2380
Patent
active
042747953
ABSTRACT:
A load-carrying vehicle provided with lifting devices to raise and lower loads, comprising a chassis mounted on road wheels, load raising and lowering devices supported by the chassis, at least one additional road wheel articulated with respect to the chassis, and power operated devices operable to move each additional road wheel in an arcuate path from an inoperative position within the normal width of the vehicle to an operative load bearing position in engagement with the ground beside the road wheels of the vehicle.
REFERENCES:
patent: Re24895 (1960-11-01), Clements
patent: Re25617 (1964-07-01), Lyall
patent: 3441102 (1969-04-01), Kress
patent: 3717271 (1973-02-01), Bargman, Jr.
patent: 3900119 (1975-08-01), Olsen
patent: 4068773 (1978-01-01), Downing et al.
Flocks Karl W.
Kunin Stephen G.
Lancer Boss Limited
Rishell, Jr. Edmond G.
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