Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent
1990-06-04
1991-06-25
Mitchell, David M.
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
280 4733, 280 47315, B62B 118
Patent
active
050260790
ABSTRACT:
A wheelbarrow comprising a frame having two arms defining handles, supporting legs, a load container and wheel support structure. The center of gravity of the container is located substantially in vertical alignment with the axle in the operative position of the wheelbarrow. The axis is removably mounted in bearing. An abutment member is disposed at the front end of the wheelbarrow and extends transversely to each side of the longitudinal centerline of the wheelbarrow defines with a forward edge of the container a stable vertical storage position of the wheelbarrow. The wheel axle is adapted to accommodate different wheel arrangements for use on different kinds of ground or terrain.
REFERENCES:
patent: 241148 (1881-05-01), Marsh
patent: 385381 (1888-07-01), Spalding
patent: 562139 (1896-06-01), McCabe
patent: 772253 (1904-10-01), Ray
patent: 1325557 (1919-12-01), Cummins
patent: 1516856 (1924-11-01), Johnson
patent: 3248128 (1966-04-01), Grable et al.
patent: 3404427 (1968-10-01), Mack
patent: 4190260 (1980-02-01), Pearce
Donze Pierre
Frank Jean P.
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