| 摘要 |
The trolley for the transporting of flat form objects has a U-shaped support component (1) for the object and which is equipped with two holes for the fitting of an axle (2) in each, and with a wheel (3) fitted on each axle. Each wheel consists of an outer ring and an inner ring. Rolling bodies are guided between the outer and inner ring, and the inner ring is connected to the corresponding axle. The axles may have a thread on their ends, and the ends may have a self-locking cap nut.
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