Tubular scaffolding connector has lugs with truncated pyramidal surfaces engaging with matching recesses in tube ends

摘要

The connector, consisting of a sleeve (10) with a hole (11) for fitting onto a first tube (1), has one or more lugs (12) of truncated pyramidal shape to engage with recesses (17) in second and additional tubes (3). Each recess has at least part of its side wall matching the outer surface of the lug, which is fixed in place by a wedging key (72).