Patent ID: 7249918
Filing Date: 2007-07-31
Classification: B23C,B23Q,Y10T

Abstract:
1. Apparatus for moving a tool, comprising: a ram axis member having internal threads; a ram shaft having a longitudinal axis and having one or more external splines and having threads formed on said splines, the threads on the splines mating with the internal threads of said ram axis member; a ram shaft rotation gear having internal splines, the internal splines of said ram shaft rotation gear adapted for meshing with the external splines of said ram shaft; a first drive means for rotatably driving said ram axis member, whereby when said ram axis member is rotated, said ram shaft is moved axially via said internal threads and said spline threads; a second drive means for rotatably driving said ram shaft rotation gear, whereby when said ram shaft rotation gear is rotated, said ram shaft is rotated with respect to said ram axis member; said ram shaft adapted for connection thereto of the tool, said tool being axially movable and rotatable by said first and second drive means; and apparatus mounted to said ram shaft for moving the tool in a radial direction.