Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent
1991-11-21
1994-02-15
Culbreth, Eric D.
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
190 18A, 280 37, 280 4724, B62B 112
Patent
active
052860477
ABSTRACT:
A transport device is provided that includes a wheel assembly having a round axle that supports a pair of wheels and a handle and that has at least two separated flattened portions. The flattened portions each have a diametrical dimension smaller than the axle diameter in one direction only. At least two first wall members extend away from a surface and are positioned to accept the flattened portions of the axle. Each wall member terminates in a first edge and defines a first slot therein. One end of each slot has an opening just large enough to pass one of the flattened portions of the axle but not large enough to pass the full diameter of the axle. The slots of each wall member are aligned for jointly holding the axle. At least one second wall member is included that extends away from the surface and terminates in a second edge. The second wall member defines a second slot therein for accepting and retaining a portion of the handle when the handle is positioned parallel to the surface. When the handle is in such a position, the flattened portions of the axle are out of alignment with the first slot such that the axle cannot be withdrawn from the first slot. The second slot has a device for clamping such that the handle, when inserted into the second slot, is positively captured. A base is further included with the transport device, the base having the surface for mounting of the first and second walls and being one side of a suitcase structure.
REFERENCES:
patent: 2510310 (1950-06-01), Francis
patent: 3788689 (1974-01-01), Lloyd
patent: 3805325 (1974-04-01), Lee
patent: 3997038 (1976-12-01), Walker
patent: 4900043 (1990-02-01), Kho
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