Hand truck for transporting heavy machinery

Motor vehicles – Steered by walking attendant

Patent

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Details

280 4312, 414467, B62D 5104

Patent

active

055843549

ABSTRACT:
A hand truck for transporting heavy machinery such as printing presses or machine tools of any type. The truck includes a bed having a number of revolving rollers by which the bed rests on the floor. A platform is supported on the bed for rotation around a vertical axis, and on which the machine rests. A drive unit is mounted on the bed and controls rotation of the rollers and hence travel of the truck. A steering device controls the travel direction of the truck and a control unit on the steering device controls the drive unit.

REFERENCES:
patent: 1355910 (1920-10-01), Reinberger
patent: 2550548 (1951-04-01), Framhein
patent: 2855061 (1958-10-01), Lilienthal
patent: 3246713 (1966-04-01), Nichols
patent: 3261617 (1966-07-01), Becker et al.
patent: 3557893 (1971-01-01), Kohls
patent: 3967257 (1976-06-01), Harron
patent: 4669561 (1987-06-01), Sheen
patent: 5056981 (1991-10-01), Knowles

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