Transportation device for commercial and industrial use

Material or article handling – Wheel and wheel-type article handler and transporter – Vertically swinging article engager

Patent

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Details

414 21, 414917, B60B 2900

Patent

active

048012378

ABSTRACT:
In order to move heavy large diameter tires and the like cargo from a storage site to a work place a cradle adapted to support the cargo is suspended at the end of a foldably linkage arrangement. The linkage arrangement is foldably into a compact form at one end of the vehicle and provided with a servo/damper arrangement which permits the weight of the cargo to be compensated for in a manner which permits the linkage to automatically return the cradle quickly and smoothly to a predetermined height.

REFERENCES:
patent: 2326684 (1943-08-01), Ross
patent: 2644597 (1953-07-01), Lewis
patent: 3500891 (1970-03-01), Collins
patent: 3653527 (1972-04-01), Seymour
patent: 3734304 (1973-05-01), Cabaniss
patent: 3830388 (1974-08-01), Mott
patent: 3858735 (1975-01-01), Zrostlik
patent: 4051966 (1977-10-01), Cotton
patent: 4401405 (1983-08-01), Ealet

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