| 摘要 |
A dancer roller apparatus is disclosed. The apparatus includes a dancer roller (17); a drive motor (30); and a dancer roller position changing unit, wherein the dancer roller position changing unit is provided with a one way clutch (35) which allows the dancer roller (17) to move in a long object slack direction, and wherein the drive motor (30) is caused to rotate in a direction such that the dancer roller moves the one way clutch (35) in a long object stretching direction during conveying of a long object. |
