| 摘要 |
<p>Adjustable cutting tool bit support (11), usable as in a stump cutter body, including adjustable jack for variable registration depth of cutting bit, a differential screw (14) engaging differential threads in the body and jack (13) for adjusting the jack position, a wedge clamp (15) for locking engagement of the body (11) and tool bit in adjusted position and a differential screw (16) engaging differential threads in the respective wedge clamp (15) and jack (13) for positively moving said wedge clamp (15) into an effective clamping engagement.</p> |
