| 摘要 |
<p>A grinding tool with two circular rounds (10, 11) disposed on a spindle (16), and pins (12, 13) distributed round the spindle which are parallel to the spindle and bridge the gap between the rounds. The pins are secured in one round (10) while the other round (11) is passed onto the pins and engage shoulders thereon. The rounds are held clamped between a shoulder portion on the spindle and a nut (20) which is screwed onto a threaded portion (19) of the spindle. Between the rounds there are rods (14) pivotally mounted on the pins, which project from the periphery of the rounds. </p> |
