| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof work lifeline fitting device with extremely high safety and low cost, easy to install and facilitating roof work. SOLUTION: This roof work lifeline fitting device is provided with a plurality of anchors 1 fixed nearly in parallel with the ridge m of an inclined roof, a plurality of beam bars 2 connected with the anchors 1 and laid on the upper part through the lower part of the roof along its inclined surface, a plurality of connection rods 3 spanned between two adjacent rods 2, and a plurality of legs 4 placed on the roof surface and supporting the beam bars 2. In this device, lifelines are attached to the beam bars 2 or connection rods 3. Each leg 4 is equipped with a spacing system for individually spacing other legs 4 from the roof surface where they are placed on. COPYRIGHT: (C)2005,JPO&NCIPI
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