Patent ID: 8061936

Claim:
A broach shave ring section comprising: a plurality of annular shave rings positioned along a central axis between entry and exit ends of the shave ring section; each shave ring having internal teeth and the teeth of the shave rings having progressively increasing size from the entry end of the shave ring section toward its exit end so as to perform final shaving of gear teeth on a rough broached gear and, between the internal teeth are bottom lands spaced a first radial distance from said central axis; at least three of said bottom lands but not all of said bottom lands having guide grooves extending axially through each shave ring at circumferentially spaced locations about the central axis and in alignment with the guide grooves of the other shave rings from one shave ring axially along the central axis to the next shave ring, and each guide groove having a radial inwardly opening shape toward the central axis; and guides respectively received within the guide grooves and having guide portions located at the inwardly opening shapes thereof to contact respective gear teeth of the gear to maintain the gear radially centered during the final shaving, said guide portions being spaced a second radial distance from said central axis, and said second radial distance being less than said first radial distance.