| 摘要 |
The spacer bush (20) comprises a threaded bush (22), rotatable from the front and bearing from inside against the fitting part (4), and a double bolt (21) rotatable from the front, which bears with a middle circumferential collar (23) against the front side of the wall (11) of the hollow profile (7), engages into the threaded piece (15) with a threaded part (24) projecting on one side from the circumferential collar (23) and passing through the wall (11), and engages into the threaded bush (22) with a further threaded part (26) coaxial relative to the first threaded part (24) and projecting on the other side. The fastening screw (6) for the fitting part (4) can engage into an internal thread (29) of the threaded bush (22) or into an internal thread of the double bolt (21). <IMAGE> |
