Land vehicles – Wheeled – Extensible
Patent
1990-08-10
1991-08-20
Kashnikow, Andres
Land vehicles
Wheeled
Extensible
280651, B62B 302
Patent
active
050408097
ABSTRACT:
A portable folding cart can be collapsed into a compact storage assembly. The base of the cart is a generally rectangular platform for supporting items to be transported. A plurality of wheels are mounted to the underside of the platform. The platform has a right side member and left side member, each of the side members being pivotally foldable at a joint along the length of the side member. A plurality of cross braces join the side members to each other, each cross brace also being pivotally foldable at a joint along the length of the cross brace. At the pivot hinge of each cross member, a spring is provided to bias the cross brace into its open position. A handle is attached to the platform and the handle has a pair of upright members, each having a plurality of telescoping segments. The right side upright member is pivotally attached to the right side member of the platform and the left side upright member is pivotally attached to the left side member of the platform. Upper and lower cross members complete the handle and are pivotally attached to the upright members.
REFERENCES:
patent: 2639162 (1953-05-01), Schon
patent: 3861695 (1975-01-01), Shourek et al.
patent: 4505495 (1985-03-01), Foss et al.
patent: 4619464 (1986-10-01), Hwang
Gerich Martin
Kashnikow Andres
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