Interconnected c-clamps and tensioning means therefor

Claim 1

A C-clamp adapted for interconnection to other like C-clamps and to other tensioning devices by means of at least one threaded adapter and comprising, in combination, a substantially L-shaped main body portion including a first leg having a boss portion provided with a threaded recess therein, a threaded clamping rod received in the threaded recess, the threaded rod having a pair of ends, one of which ends is provided with a handle and the other of which ends is provided with a clamping member, the main body portion further including a second leg having a longitudinal axis substantially parallel to the threaded rod, the main body portion further including a third leg intermediately of the first and second legs and disposed substantially at a 45° angle thereto, respectively, the second leg being truncated and having a free end portion provided with a blind bore formed therein substantially coincident with the longitudinal axis of the second leg, whereby the C-clamp may be interconnected to other like C-clamps by means of at least one threaded adapter, at least one of the first and second legs further having a tapped aperture formed therein on an axis which is perpendicular to the plane of the main body portion, and the third leg having a tapped aperture formed therein along an axis which is within the plane of the main body portion of the C-clamp at substantially a 45° angle with respect to said blind bore, to other like C-clamps and to other tensioning devices with an externally threaded adapter.