| 摘要 |
A roller assembly ( 30 ) for a belt drive system ( 1 ) of an agricultural machine, the roller assembly ( 30 ) having a shaft ( 50 ), a roller ( 20, 22 ) rotatably mounted on said shaft ( 50 ), and adjustment means for adjusting the position of the shaft (50). The adjustment means comprise means ( 62, 64 ) for angular adjustment of the position of the shaft ( 50 ) in two distinct directions (X, Y).
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