Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent
1981-02-27
1983-05-17
Mitchell, David M.
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
280 4718, 248558, B62B 122
Patent
active
043836950
ABSTRACT:
A ball picker dolly for retrieving tennis balls, or the like, comprised of a carriage having a shaft, a horizontal axle orthogonally attached to the lower end of said shaft and means mounted on said axle for motively supporting said carriage on a horizontal surface. Baskets or hoppers of varying configurations and sizes can be secured to the dolly by utilizing adjustable brackets. The various hoppers have gridded bottoms comprising a plurality of filiform members spaced apart to define slot openings dimensioned to admit tennis balls forcibly pushed therethrough. At least one elongated horizontal bracket has spatially disposed pairs of openings thereon and is slidably engageable on the shaft. Ancillary securing means comprise U-shaped prongs dimensioned to pass through spatially disposed openings in the bracket, mating with pairs of openings in either a horizontal or a vertical axis of the bracket. Yet another slidably engageable bracket is provided at the lower end of the shaft which helps support the basket and stabilizes the lower part of a basket to the shaft. Both brackets are tightened down by threaded bolts which pass through the brackets to impinge upon the shaft.
REFERENCES:
patent: 1015969 (1912-01-01), McCrary
patent: 2639163 (1953-05-01), Walker
patent: 2768022 (1956-10-01), Pope
patent: 3598420 (1971-08-01), Edlin
Mitchell David M.
Rice Kenneth R.
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