Land vehicles – Wheeled – Body with bracketed-type or nonsuspended axles
Patent
1986-05-02
1988-01-19
Mitchell, David M.
Land vehicles
Wheeled
Body with bracketed-type or nonsuspended axles
108 561, 108901, 4034081, B62B 302, A47B 900
Patent
active
047201150
ABSTRACT:
The present invention relates to a plastic dolly having a pair of longitudinal side members and a pair of transverse end members coupled together by lap joints to form a frame, preferably a rectangle. The various members are molded in a honeycomb/cellular configuration to conserve product weight and materials. Each of the four corner joints includes a caster fastening hole for receiving a caster fastening bolt which securely fastens the joints together and carries a dolly caster wheel. Additional strength and rigidity is provided to the dolly by two long, preferably metal, reinforcement elements disposed in grooves running longitudinally in the side members and extending into the end members.
REFERENCES:
patent: 2610750 (1952-09-01), Hulbert
patent: 3582102 (1971-06-01), Bewick
patent: 3902692 (1975-09-01), Skinner
patent: 3964762 (1976-06-01), Adams
patent: 4077644 (1978-03-01), Roby
patent: 4316419 (1982-02-01), Cupido
patent: 4577448 (1986-03-01), Howorth
"Wood Dolly Trucks", The Colson Corp. catalog No. L-292, 1945.
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