| 摘要 |
A tool device suitable for use with a driver, the tool assembly (10) being suitable for work operations such as grinding, polishing, sanding, finishing and the like, the tool device including a rotatable drive drum (12) which, when in use is operatively connectable to the driver which can cause rotation thereof. The device further includes a rotatable idler drum (22) spaced from the drive drum and an endless abrasive belt (20) which in use extends around the drums and arranged so that rotation of the drive drum causes the belt to travel around the drums. An idler drum mounting assembly (30) is operatively mountable to a support structure and includes a connecting member (37) operatively connected to the idler drum, the connecting member being movable relative to the support structure and biasing means (40) operable to act on the connecting member so that it can hold the belt in tension around the drums.
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