| 摘要 |
An interchangeable holder ( 1 ) for hollow drills, having a support element ( 4 ) for receiving a base end ( 11 ) of a drill rod ( 10 ) of the hollow drill on a front face, and a holding device ( 12 ) for a handle of the support element ( 4 ) on associated recesses ( 15 ) that are configured in the wall of the drill rod ( 10 ) on its base end ( 11 ). To provide a universal interchangeable holder on which drill rods with different diameters can be mounted, the support element ( 4 ) has a front-face annular rest zone ( 9 ) that receives drill rods ( 10; 10'; 10 '') with different diameters. A locking device ( 24 ), together with the holding device ( 12 ), is effective across the width of the annular rest zone ( 9 ) in order to maintain the respective drill rod ( 10; 10'; 10 '') placed on the rest zone ( 9 ) and held by the holding device ( 12 ) locked in a center position. |
