| 摘要 |
PURPOSE: To carry the work in two directions by applying a driving force to one side. CONSTITUTION: A rolling ring 1, attached to a drive shaft 5 to be rotatively driven, is composed of a rotation disk 12 to be fixed to the drive shaft 5, and plural free rollers 11 rotatably provided on the circumference of the rotation disk 12 and attached so as to have a specific helix angle (α) to the axis direction of the drive shaft 5. A carrying device can be formed by providing plural rolling ring shafts, formed by providing plural rolling rings 1 composed of such constitution in parallel, in parallel.
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