Cargo pallet incorporating retractable ball units

Details Cargo pallet incorporating retractable ball units Cargo pallet incorporating retractable ball units

1975-12-22

1978-08-22

Love, John J.

Land vehicles

Wheeled

Extensible

16 26, 16 33, 254 2R, 280 4324, B62D 2118

Patent

active

041084551

ABSTRACT:
A cargo pallet incorporates a plurality of pneumatically extendable and retractable roller means disposed in a lower, deck or floor contacting portion thereof. The roller means are arranged in a pattern to provide equitable load distribution such that, when the roller means are extended, the pallet and any cargo thereon may be easily moved in any horizontal direction; and, when the roller means are retracted, the pallet is immobilized with its lower surface resting substantially flush with a cargo-supporting floor, deck or platform. Inherent load-levelling is accomplished since one or more roller means may be partially retracted to accommodate bumps and uneven portions of the floor, deck or platform over which the pallet is to be moved. The conjoint operation of one or more roller means in the foregoing manner also provides a cushioning or load-distributing action for the pallet and its cargo. A manifold system, including header and conduit means, interconnects all of the roller means with each other and with a source of pneumatic fluid, whereby all of the roller means may be simultaneously extended or retracted as may be desired to raise or lower the pallet with respect to the floor, deck or platform by which it is supported.

REFERENCES:
patent: 1391363 (1921-09-01), Bozik
patent: 1440641 (1923-01-01), Stevens
patent: 1892406 (1932-12-01), Meyercord et al.
patent: 2671242 (1954-03-01), Lewis
patent: 2972162 (1961-02-01), Townsend
patent: 3361092 (1968-01-01), Budd
patent: 3464371 (1969-09-01), Gifford
patent: 3466697 (1969-09-01), Cain et al.
patent: 3661099 (1972-05-01), Shelor
patent: 3814030 (1974-06-01), Morgan
patent: 3948538 (1976-04-01), Hovila

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