| 摘要 |
The drilling device has a drill machine provided with a motor and a drill spindle (2), where the drill spindle is rotary mounted in a machine housing (1). A drill chuck is provided with a chuck body (3), in which jaws (7) are guided. The jaws are adjusted by a thread connection (6). The thread connection is formed between a thread element (4) and a thread counter element (5). A drive sleeve (8) is rotary connected with the thread counter element and is driven by the motor. |
