| 摘要 |
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.
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