| 摘要 |
The present invention provides an idler installation structure saving power comprising: a center roller composed of a cylindrical member of which central shafts protrude from both ends; a center stand wherein both ends of front and rear sides are coupled with the central shaft of the center roller to enable two center rollers to be arranged on the front side and the rear side in parallel to each other; a side stand spaced from both sides of the center stand while having a higher height than the center stand; and a side roller composed of the cylindrical member of which the central shafts protrude from the both ends and wherein one between the central shafts is coupled to a side surface of a center of the center stand and another one is coupled to an upper end of the side stand. |
