G-hook for mutual releasable connection of supporting portions of telescopic building support, has bolt which is tapered toward freely projecting wedge-shaped end and captively secured to telescopic building support by bracket

摘要

The G-hook (10) has a bolt (12) for mutual connection of the supporting portions, and a bracket (14) through which the bolt is captively secured to the telescopic building support. The bolt is tapered toward freely projecting wedge-shaped end (26). An independent claim is included for telescopic building support.