| 摘要 |
<p>The tool (2) has a toothed front surface (4) and is held with its rear end (5) at a handle (11) with a transversally positioned grip (14). The shaft of the tool (2) is inserted into a sleeve (15) extending from the handle (11) and surrounded by a sliding element (17) to be moved against the forces of a helical spring (18). A ball-shaped element (20) is accommodated in a recess (7) between the sleeve (15) and the sliding element (17) and is moved into a wider space (17.3) when the tool (2) is to be removed for cleaning or exchange.</p> |
