| 摘要 |
The present invention relates to a wide type tension pulley and, more specifically, to a wide type tension pulley to maintain a constant tension of multiple belts while idling the surface of the belts in a batch under pressure. Therefore, the present invention can mold a wheel member constituting an idling wheel by a thin metal plate, thereby manufacturing a compact molding apparatus quickly and easily and reducing defects occurrence ratio associated with the production. |
