Combined scaffolding and work trestle - has two long bearers of four-sided tubing welded to five cross struts with four feet also of four-sided tubing

摘要

The combined scaffolding and trestle (Fig. 1) is collapsible, and its legs (Fig. 4, 5) are welded to a hinge (Fig. 16) to the long bearers (Fig. 2, 3). It can be extended and also widened. The two long bearers comprise four-sided tubes of 40 x 40 x 2mm which are welded to five cross structs of 25 x 25 x 1.5mm (fig. 8-12). Between the two long bearers, a bearer plate is located on the cross struts. This plate is 15 mm thick, and consists of multi-layer, watertight plywood. Four feet are provided, which are likewise made of four-sided tube measuring 40 x 40 x 2mm with a length of 60 cms, so that the first working height of the combination is 64 cms. The feet stand beneath the long bearers, and are welded to a foldable hinge. USE/ADVANTAGE - A combined scaffolding and trestle for all kinds of private and domestic use.