Patent ID: 6786119
Filing Date: 2004-09-07
Classification: B23B,Y10T

Abstract:
An apparatus for releasably holding a shank of a toolholder, the apparatus comprising:(a) a tool support member having a bore for receiving the shank of the toolbolder, (b) a rotatable actuating bolt positioned within the too support member having a first end with a bolt locking segment having a bolt locking surface; (c) an actuating nut rotatably fixed within the tool support member and secured to a second end of the actuating bolt and having a nut locking segment having a nut locking surface; and (d) wherein rotation of the actuating bolt in a locking direction causes the actuating nut to be drawn to the bolt first end thereby drawing together the nut locking surface and the bolt locking surface to engage the toolholder and to lock the toolholder within the tool support member; wherein the actuating bolt further includes a releasing segment having a releasing surface for abutting and urging the toolholder shank from the tool support member, wherein the releasing segment is disposed between the first end and the second end of the actuating bolt and wherein the actuating bolt has a shank and the releasing surface is either recessed within the actuating bolt shank or protrudes from the actuating bolt shank.