Land vehicles – Wheeled – Extensible
Patent
1997-08-21
1998-11-03
Camby, Richard M.
Land vehicles
Wheeled
Extensible
280651, 280659, 280 4734, B62B 304
Patent
active
058297650
ABSTRACT:
The present invention provides a dolly comprising a folding frame and a removable platform. The folding frame has front and rear ends and consists of a pair of longitudinal side members having front and rear ends. Wheels are provided at the front and rear ends of each of said side members. A front cross member is hingedly attached to the front ends of said side members and a rear cross member hingedly attached to the rear ends or said side members. Each of said front and rear cross members comprises a left end portion and a right end portion that are pivotally connected to permit said front and rear cross members to fold between said side members. A locking means is preferably provided to lock said left and right end portions of said front and rear cross members in an unfolded position when the dolly is in use. The platform is adapted to fold into a compact bundle for transportation or storage. The platform preferably consists of two or more removable panels hingedly connected to allow the panels to be folded on each other.
REFERENCES:
patent: 4109926 (1978-08-01), Lane
patent: 4126324 (1978-11-01), Browning
patent: 4619964 (1986-10-01), Hwang
patent: 5040809 (1991-08-01), Yang
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