| 摘要 |
Scaffolding supplement for construction which is characterized in that it consists of a platform with two planks, linked together by plinths, which set of planks is mounted on iron angle brackets, possessing an iron sheet attached to the chassis of the platform, in that it has five tubes of rectangular profile, welded together, and it has an iron piece consisting of a vertical piece, welded to the horizontal base, and with the other piece which rests in an inclined manner on the first one, and in that the lower transverse tube includes, at each end, two small welded iron fittings which project, which structure includes linked double clamps which make it possible to receive tubes in a variety of inclinations, with conical-contour nuts, which are adapted to the recess offered by the crossing arm.
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