Material handling rack with transportation means

Details Material handling rack with transportation means Material handling rack with transportation means

1985-11-08

1987-12-15

Valenza, Joseph E.

Material or article handling

Opposed shelf-type elevator and transporter

52143, 108 553, 280 4312, 296 43, 296181, 403346, 403382, 414495, 414498, B60P 340

Patent

active

047129662

ABSTRACT:
A storage rack with moveable lifting jacks. The rack includes horizontally extending members joined but spaced apart by a pair of upper and a pair of lower cross members. Two upright posts extend above the horizontally extending support members and are secured in place by the cross members. A powered lifting jack and a follower lifting jack each include tongues insertable between the horizontally extending support members at the opposite ends of the rack. The tongues are biased between the upper and lower cross members preventing the pivotal motion of the tongues which are mounted to wheels rotatably mounted to frames having hydraulic cylinder motors mounted thereatop. Piston rods are extendable from the hydraulic cylinder motors and are attached to the tongues to apply lifting force in an upward direction along an axis extending through the wheel axis of rotation applying lifting force to the opposite ends of the rack.

REFERENCES:
patent: 2785818 (1957-03-01), Mercier et al.
patent: 3143358 (1964-08-01), Du Broff
patent: 3392857 (1968-07-01), Tantlinger
patent: 3570694 (1971-03-01), Tantlinger
patent: 3645559 (1972-02-01), Stafford, Jr.
patent: 3834111 (1974-09-01), Acker et al.
patent: 3986317 (1976-10-01), Mountz
patent: 4061237 (1977-12-01), Austin et al.
patent: 4286913 (1981-09-01), Rowe et al.

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