| 摘要 |
<p>The hydraulic rotary drive (1) has a shaft (10) and a fastening element (11) for connecting the shaft with the load receiving element or a crane arm. A shaft bearing (20) has another fastening element (21) for connecting the shaft bearing with the crane arm. The shaft or the shaft bearing has a recess (5) is provided, in which the sliding contacts device (2) is partially accommodated.</p> |
