| 摘要 |
<p>The element is assembled of an eye-head screw (9), a conical sleeve (8), a washer (10), a conical nut (7), a spreading sleeve (1) and two rubber rings (3). When the screw (9) is rotated the distance between the conical sleeve (8) and the conical nut (7) is increased or reduced depending on the direction of rotation. The spreading sleeve (1) is attached at a slight distance to the shaft of the screw (9) and provided with a ribbed outer surface (4). Two rubber rings (3) are accommodated inside surrounding grooves (2).</p> |
