| 摘要 |
<p>A bricklayers profile tool is suitable for holding a builders line 3, and includes a main staff section (1, Fig. A) that is capable of supporting, separately or in combination, both a co-operative clamp 18 of a swivelable stay 53 and a cross-clamp (58, 62, 63, Fig. J) for fitting to a framework or separate skin of blockwork. The tool also has a compression clamp (29, 42, 43, Fig. B) at the base of the staff that can extend to fix around multiple courses of bricks. The tool is primarily fabricated from extruded aluminium.</p> |
