| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inclined free roller conveyor for transferring commodities at an optional speed without using a braking device, a motor roller, etc. Ž<P>SOLUTION: A roller or part of the roller is composed of a body 1, a movable vane 4 provided thereon, an outer ring 3, fluid chambers 6, 10, and a fluid flow control valve 8. The flow control valve 8 performs optional speed control. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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