| 摘要 |
A fastening device with alarm for fixing elements (8, 9) to a structure (11) comprises a shank (2) at one end of which there is a head element (3). The device (1) provides that the head element (3) comprises at least one through hole (4) for a conductor means (5) passage of an antitheft means (12). A method for installing the fastening device (1) provides of: putting the elements (8, 9) in the desired fixing position; fixing each element (8, 9) to the structure (11) by the device with alarm (1); tightening the device with alarm (1) by a suitable tool; passing the conductor means (5) through the through hole (4); connecting the free ends of the conductor means (5) to the antitheft means (12). |
