Land vehicles – Wheeled – Occupant propelled type
Patent
1982-05-24
1984-01-31
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
16 30, 297DIG4, A61G 504
Patent
active
044285949
ABSTRACT:
Front wheel assemblies for use with wheelchairs of the type having a main frame and large diameter rear wheels and a seat structure thereon. The front wheel assemblies are highly effective in that they permit a quick release of the front wheel for easy and quick removal of the front wheel and easy and quick replacement of a front wheel. The front wheel assemblies are designed so that the trailing angle of the front wheel relative to the ground or supporting surface can be varied and further, a locking mechanism is provided for temporarily locking the front wheels in a selected position.
REFERENCES:
patent: 2729272 (1956-01-01), Lidge et al.
patent: 3217478 (1965-11-01), De Geere
patent: 4166631 (1979-09-01), Sanaski
patent: 4362311 (1982-12-01), Bergman
Pekar John A.
Quadra Wheelchairs, Inc.
Schaap Robert J.
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