Corner clamp construction for wall forms

Claim 1

A CLAMP FOR CONNECTING TOGETHER IN FIXED RELATION A PAIR OF WALL FORMING PANELS WHICH ARE ARRANGED IN ABUTTING RELATION TO FORM AN OUTSIDE CORNER FOR THE WALL AND WHEREIN ONE OF SAID PANELS EXTENDS SUBSTANTIALLY BEYOND THE ABUTTING PORTIONS THEREOF, SAID CLAMP BEING ADAPTED TO BE LOCATED IN THE OUTSIDE CORNER OF SAID ABUTTING PANELS AND COMPRISING MEANS FORMING A BASE ADAPTED TO BE POSITIONED AGAINST THE OUTER FACE OF ONE OF THE PANELS, MEANS ON SAID BASE FORMING AN ARM EXTENDING IN A DIRECTION PERPENDICULAR TO SAID BASE, SAID ARM HAVING A SLOTTED PORTION EXTENDING LENGTHWISE THEREOF, A ROD IN SAID SLOT AND EXTENDING TRANSVERSELY OF THE SLOT, SAID ROD BEING SLIDABLE IN A DIRECTION LENGTHWISE OF THE SLOT AND BEING CONNECTED WITH SAID ARM TO LIMIT AXIAL MOVEMENT OF THE ROD IN AT LEAST ONE DIRECTION, SAID ROD BEING ADAPTED TO EXTEND THROUGH THE EXTENDING PORTION OF SAID ONE PANEL AND HAVING MEANS THEREON FOR ANCHORING SAID ROD TO SAID LAST-MENTIONED PORTION OF THE ONE PANEL, MEANS ON SAID BASE FOR FIXEDLY CONNECTING SAID CLAMP WITH SAID OTHER PANEL, SAID MEANS ON SAID BASE FOR SECURING THE CLAMP TO SAID OTHER PANEL COMPRISING A HOOK MEMBER SHAPED TO ENGAGE A PIN ON SAID OTHER PANEL AND MEANS INTERCONNECTING SAID ROD AND SAID ARM TO PREVENT MOVEMENT OF SAID BASE IN A DIRECTION TOWARD SAID ROD.