Collapsible cart

Details Collapsible cart Collapsible cart

1995-10-10

1998-03-24

Johnson, Brian L.

Land vehicles

Wheeled

Stable vehicles, handle-propelled

280 4733, 280 793, 280 4719, 280654, 108179, 2111301, 211201, B62B 302

Patent

active

057304521

ABSTRACT:
A collapsible cart basically for serving food. A ground support assembly includes an axle with a wheel at each end and a caster cross-bar perpendicular to the axle with a caster at each end which provides great stability. Two sets of three parallel vertical bars are pivotally supported from the axle. One set is near the outer end and another set at the other end of the axle. Shelves are supported between the two sets at spaced intervals by pivots on each vertical bar such that each shelf is in a horizontal position throughout the range of rotation of the vertical bar about its pivot.

REFERENCES:
patent: 1262361 (1918-04-01), Lafferty
patent: 1955769 (1934-04-01), Reynolds
patent: 1961394 (1934-06-01), Rothe
patent: 2584489 (1952-02-01), Morrison
patent: 2720402 (1955-10-01), De Puy et al
patent: 3052484 (1962-09-01), Huffman et al
patent: 3074734 (1963-01-01), Munson et al
patent: 3272528 (1966-09-01), Young et al
patent: 3361302 (1968-01-01), Berger
patent: 3981511 (1976-09-01), Foster
patent: 4074826 (1978-02-01), Lewanoni
patent: 4793497 (1988-12-01), Hall et al.
patent: 4923202 (1990-05-01), Breveglieri et al
patent: 5192092 (1993-03-01), DiBenedetto

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