Patent ID: 7152453
Filing Date: 2006-12-26
Classification: B21D

Abstract:
1. A press brake tool and a tool holder, the tool comprising a body terminating downwardly in a workpiece-engaging surface and a tang extending upwardly from the body and adapted for reception in the tool holder, the tang including a first wall defining a vertical surface and a second wall on the opposite side of the tang, the second wall having a recess formed therein, the recess including a contact surface; the tool holder comprising an opening therein for reception of the tool tang, a vertical surface engagable with said vertical surface of the tang, and a clamping pin movable transversely of the opening, the camming pin including a camming end configured to contact said contact surface of the tang, to exert a clamping force on said tang, the clamping force having vertical and horizontal components to raise said tang within the holder and clamp said vertical surfaces together, respectively; and wherein the tool and the tool holder include confronting, force transmitting surfaces that come into contact as said tang is raised within the tool holder opening, and said camming pin and said recess are configured to bring said force transmitting surfaces into contact when said pin has penetrated into said recess by a distance of no greater than about 0.09 inches.