| 摘要 |
The anchor clip consists of an anchor bolt (13), equipped at one end with an outer thread (14), with screwed-on nut (15), socket (16) and equipped at the other end with a collapsible element (6), which is girded by the collapsible element (7) of annular shape with outer cylindrical surface (8) and with arresting projections (17), whereas the stressing element (7) is equipped with at least one radial breach (31) of the wall of the stressing element (7). The stressing element (6) has the form of a bevelled cone (35) and its cross-section, running plumb to the axis (30) of the anchor clip, has an outline in the shape of a spiral (33). The spiral (33) is preferably double-threaded.<IMAGE>
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