Builders scaffolding

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E - Fixed Constructions

04

G

304/15

E04G 5/02 (2006.01)

Patent

CA 1037524

ABSTRACT OF THE DISCLOSURE A base jack for the tubular standards of a scaffold structure comprises a tube having a plurality of spaced pairs of transverse holes, and a support bracket slidable lengthwise of the tube and having a single pair of transverse holes arranged to coincide with any one of the pairs of holes in the tube, the support bracket comprising a metal strip which is shaped to present a box-like projection, and the free ends of the strip being of arcuate formation to closely fit round the tube. A locking pin is provided to extend through the coincident holes in the bracket and the tube to selectively position the bracket on the tube and to retain the bracket against movement along the tube, and a base plate supports a screw threaded rod which is in threaded engagement with a screw thread at one end of the tube, the other end of the tube being adapted telescopically to fit into one end of a tubular standard. The support bracket has at its uppermost edge, an annular bearing surface providing a support for the tubular standard.

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