Apparatus for bending tubes, bars and metal sections

Claim 1

APPARATUS FOR BENDING MATERIAL COMPRISING MEANS FOR EXERTING A THRUST ALONG AN AXIS, A PAIR OF RIGID CROSSPIECES, A TOOL ADAPTED FOR BEING COUPLED TO SAID MEANS FOR EXERTING A FORCE ON SAID MATERIAL, REACTION MEANS COUPLED TO SAID CROSS-PIECES FOR ENGAGING SAID MATERIAL SIMULTANEOUS WITH SAID TOOL TO BEND SAID MATERIAL UNDER THE ACTION OF SAID FORCE, A ONE-PIECE CONNECTING MEMBER OF STIRRUP SHAPE AND INCLUDING A BASE AND ARMS EXTENDING THEREFROM, MEANS FOR CONNECTING THE FIRST SAID MEANS TO SAID BASE WHILE ALLOWING SAID FIRST MEANS TO EXERT SAID THRUST, MEANS ON SAID ARMS FOR SUPPORTING SAID CROSS-PIECES THEREFROM IN FIRST AND SECOND POSITONS, THE CROSS-PIECES IN THE FIRST POSITION BEING ADJUSTABLY POSITIONED IN A DIRECTION EXTENDING PERPENDICULAR TO THE THRUST AXIS AND IN THE SECOND POSITION BEING SUPPORTED BY THE MEANS ON THE ARMS TO EXTEND IN THE DIRECTION OF SAID THRUST AXIS, SAID REACTION MEANS COOPERATING WITH THE FIRST SAID MEANS TO CAUSE PRESSURE BENDING OF THE MATERIAL WITH THE CROSS-PIECES IN THE FIRST POSITION, AND TO CAUSE BENDING BY WRAPPING WITH THE CROSS-PIECES IN THE SECOND POSITION.