Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent
1994-12-19
1996-02-20
Camby, Richard
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
280 30, 280 4724, 280 792, 297130, B62B 104
Patent
active
054923476
ABSTRACT:
A portable interchangeable device for mobilizing a chair including a first wheel, a second wheel, an axle, a plate, and attachment apparatus. The axle connects the first wheel to the second wheel. The plate is rotatably mounted on the axle and prevents the first wheel and the second wheel from sinking into sand when the first wheel and the second wheel are mobilized. The attachment apparatus interchangeably secures the first wheel, the second wheel, the axle, and the plate to a variety of different sized chairs.
REFERENCES:
patent: 2622893 (1959-12-01), Wasserlein
patent: 4852895 (1989-08-01), Moffitt
patent: 4934719 (1990-06-01), duPont
Conca Saverio
Palmeri Ignazio
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