Land vehicles – Wheeled – Extensible
Patent
1974-12-02
1976-01-13
Song, Robert R.
Land vehicles
Wheeled
Extensible
220 7, B62B 1100
Patent
active
039319857
ABSTRACT:
A collapsible cart is disclosed comprising a pair of wheels supporting a pair of spaced side walls above cart supporting terrain a predetermined distance. A pair of floor members are pivotably supported together and with the end walls for movement between a floor expanded position along a common plane extending between the side walls and a floor collapsed position extending downwardly from the side walls. Two pairs of end walls are pivotably joined to opposite ends of the side walls and to each other for movement between expanded positions extending normally between the side walls with the floor members in the floor expanded position and folded positions between the side walls with the floor members in the floor collapsed position. Each of the floor members extend from the side walls a distance greater than the predetermined distance whereby the cart may be stored in a collapsed configuration with a cart supported upon the cart supporting terrain by the collapsed floor members themselves with the wheels raised above the terrain.
REFERENCES:
patent: 762747 (1904-06-01), Notbohm
patent: 1180294 (1916-04-01), Hunter
patent: 1879102 (1932-09-01), Collins
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