Conveyor suspension track structure

Claim 1

A CONVEYOR SUSPENSION STRUCTURE COMPRISING IN COMBINATION: (A) A TUBULAR TRACK HAVING A SLOT IN THE SIDE THEREOF, (B) A SUSPENSION HOOK HAVING ITS INNER END EXTENDING THROUGH SAID SLOT INTO THE INTERIOR OF SAID TUBULAR TRACK, (C) A ROLLER JOURNALED AGAINST AXIAL MOVEMENT TO ROTATE AROUND AN OBLIQUE AXIS ON THE INNER END OF SAID HOOK AND ARRANGED TO ROLL AT A POINT OF CONTACT ON THE BOTTOM PORTION OF THE INSIDE CYLINDRICAL SURFACE OF SAID TUBULAR TRACK, (D) A VERTICAL SHANK PORTION ON THE LOWER OUTER END OF SAID HOOK HAVING A VERTICAL AXIS DEFINING A VERTICAL PLANE PARALLEL TO SAID TUBULAR TRACK EXTENDING UPWARDLY TO INTERSECT SAID OBLIQUE AXIS OF ROTATION OF SAID ROLLER ON THE INNER END OF SAID HOOK, (E) SAID POINT OF CONTACT OF THE PERIPHERY OF SAID ROLLER WITH THE SAID INTERIOR SURFACE OF SAID TUBULAR TRACK LYING IN A PLANE RIGHT ANGLES TO THE AXIS OF ROTATION OF SAID ROLLER AND PASSING THROUGH THE POINT OF INTERSECTION OF SAID ROLLER AND SAID VERTICAL PLANE DEFINED BY SAID SHANK AXIS.