| 摘要 |
The invention relates to a tool ( 1 ), in particular an impact wrench, with a pulse unit ( 6 ) having a hydraulic impact mechanism ( 7 ) and a drive unit ( 24 ). The working volume ( 5 ) can be connected within the hydraulic impact mechanism ( 7 ) to an additional volume ( 5 ) formed outside of the said mechanism. The tool according to the invention is characterised in that at least the compensating volume ( 4 ) can be varied independently of the pressure.
|
