| 摘要 |
Device for the free fixing of battens on a fitted timber truss. A longitudinal member 23 with two rollers 24, 25, with four flanges 26 to 29 and a tightening spring 30 provided with two rods 31 and two return springs 32, a plate 33 with slide for the compressed-air nail driver X enabling the battens L to be fixed when passing each rafter C of the truss. <IMAGE>
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