| 摘要 |
<p>A safety system for roof workers comprises roof fixing means (10) adapted to be fixed to one edge of a roof (2), a harness (3) adapted to be worn by a roof worker on the opposite side of the roof, and a safety rope connecting the harness (3) to the roof fixing means (10). The roof fixing means may be a roof anchor (11) having a hook portion which is hooked to the lower edge of the roof cladding, such as a metal sheet (25) or roofing tile (26). A clamping bolt (20) fixes the roof anchor (11) to the cladding. Alternatively, the roof fixing means (10) may be a clamp (30) adapted to be mounted to a rafter or similar roof frame member (39). The clamp has a toothed pawl (33) which resists movement of the clamp along the rafter. A clamping bolt (38) can also be provided to fix the clamp (30) relative to the rafter (39).</p> |
