Land vehicles – Wheeled – Extensible
Patent
1982-08-09
1985-06-04
Mitchell, David M.
Land vehicles
Wheeled
Extensible
280654, 280 4726, 280 4729, B62B 104
Patent
active
045210306
ABSTRACT:
The collapsible and slidable cart provides for the transport of articles on both horizontal and oblique surfaces. The cart includes a pair of spacially parallel support members, each having a handle portion at the upper end and a wheel mounted for rotation at the lower end. At least one tray member for supporting articles extends outwardly from and is rotationally connected to the support members. Lock means which permit or prevent the rotational movement of the parallel support members relative to the tray member provides the cart user with means to collapse the cart for storage. The parallel support members have a curved, outwardly extending lower end portion so that the wheels extend outwardly from the remaining upper length. The curved lower ends having a low friction contact surface permits the cart to be transported on oblique surfaces, such as stairs. Also provided is a light-weight tubular cart construction which permits tray/support member rotation, as well as a hinged, tray perimeter member which permits the cart to be collapsed into a second configuration. Additionally, handle portion, curved lower portion, tray member, brace member, pouch member, elastic member, brake member, and hinged leg elements or configurations are provided to further enhance the use and function of the collapsible and slidable cart.
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patent: 4339141 (1982-07-01), Thiboutot
patent: 4369987 (1983-01-01), Witherell
Eggink Anthony G.
Mitchell David M.
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