| 摘要 |
PROBLEM TO BE SOLVED: To effect movement and conveyance of a heavy weight which facilitate start, stop, advance reverse, and directional change and save power. SOLUTION: A self-running roller conveyor 1 and an air caster 2, a total of which amounts for at least three sets, are combined together for mounting directly on the under surface of a heavy weight 3 or through a pallet (a loading bed). The heavy object is floated by the air caster, and the heavy weight is moved and conveyed by the driving force of the self-propelled roller conveyor. A brake and a handle to control a moving direction may be mounted on the self-propelled roller conveyor. The heavy weight can be safely and rapidly moved and conveyed by the small number of workers.
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