|4644700||Tailstock for universal grinding machines|
The tailstock of a universal grinding machine has a lower part which is affixed to the frame at a level below the indexible head for a set of grinding spindles, and an upper part which supports one or more dead centers and is indexible relative to the low...
|4489520||Machine tool attachment|
A base is securable to the work surface of a machine tool. A centering element, projecting from the base, locates and braces one of a pair of opposed centers in a workpiece while the other center is lapped by a lapping tool carried by the rotatable tool h...