| 摘要 |
The clamping jaws are operated by a helical gear (5) consisting of an externally threaded spindle (6) and internally threaded nut (7). The rotary gear part forms the nut (11) and has a turning handle (12) and is connected to one clamping jaw (3). The non-rotary gear part is connected with the other clamping jaw (4). The stand (1) is inserted through an axial bore (20) on the turning handle and supported on the clamping jaw belonging to the one clamping jaw or to the non-rotary gear part. The sleeve shaped turning handle itself forms the nut. Its edge (14) on the clamping jaw side is placed against a holder fitment (15) on the appropriate clamping jaw. The spindle consists of a one-piece cylindrical piece (9) with outer (10) and inner (13) thread. |
