| 摘要 |
PROBLEM TO BE SOLVED: To sharply improve snaking control capacity to a belt conveyer that is made to travel around a conveyer belt wound between driving and driven rollers, while controlling the snaking of the belt following the travel around. SOLUTION: Two auxiliary rollers 10 and 10, wherein shaft ends on the same side as the movable end 6a of a control roller 6 are adopted as movable ends 10a respectively, are arranged in before and behind in the belt traveling direction of the roller 6 wherein one side shaft end is adopted as the end 6a movable in a direction orthogonal to the axis core; and mating ends 6a, 10a, and 10a of these rollers 6, 10, and 10 are connected by a connecting member 30a to be made integrally movable respectively.
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