Class 451/436 - Center abrader

Subclass of Class 451 - Abrading
Definition: Lathe attachment especially adapted to the grinding of a
No. of patents: 2
Last issue date: 02/24/1987

Number	Title	Issue Date
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...	02/24/1987
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...	12/25/1984

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