James McLean is issued a patent for a piano.
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| Number | Title | Issue Date |
| 5674112 | Process and apparatus for centerless superfinishing of rollers In a process and an apparatus for centerless superfinishing of rollers with arbitrarily curved jacket faces by means of an oscillatingly driven honing stone, the rollers are transported in the continuous process and the honing stone moves together with th... | 10/07/1997 |
| 5447463 | Apparatus for microfinishing The invention relates to an apparatus for fine-working or microfinishing of workpiece surfaces, particularly rotationally-symmetrically moved workpieces with oscillating or rotating tools such as honing stones or fine polishing stones, which are in-fed ag... | 09/05/1995 |
| 5245793 | Method and apparatus for fine working or microfinishing The invention relates to a method and an apparatus for fine-working or microfinishing of workpiece surfaces, particularly rotationally-symmetrically moved workpieces (38) with oscillating or rotating tools such as honing stones (18) or fine polishing ston... | 09/21/1993 |
| 4827677 | Method for grinding plane-parallel circular annular faces on disk-shaped workpieces A method is described for grinding plane-parallel circular annular faces on disk-shaped workpieces, in particular on brake disks of motor vehicle disk brakes, in which the workpieces have different grinding allowances, with respect to their set-point posi... | 05/09/1989 |
| 4811523 | Apparatus for fine machining of plane surfaces of disk-shaped workpieces having an unmachined bearing side and a slight wall thickness An apparatus for fine machining of plane surfaces of disk-shaped workpieces having an unmachined bearing side and a slight wall thickness is described. The apparatus is provided with a chuck, preferably realted, for receiving the workpiece and a cup wheel... | 03/14/1989 |
| 4222203 | Machining device and method A method and device for machining the tappet collars of the inner rings of roller bearings by means of a frusto-conical cup wheel is proposed wherein such cup wheel is adjustable in the axial direction of the workpiece into engagement with the surface to ... | 09/16/1980 |
| 4048764 | Method for micro-finish machining of compound, circular arc-shaped profiled surfaces in annular workpieces Method for micro-finish machining of circular arc-shaped profiled surfaces in annular workpieces utilizing a honing tool. After an initial grinding operation the profiled surfaces of the workpieces are micro-finish machined using two machining phases. Dur... | 09/20/1977 |
| 4024672 | Apparatus for the micro-finish of cylindrical or conical surfaces Method and apparatus for micro-finish machining of cylindrical or conical surfaces on workpieces, and in particular the raceways of cylindrical or tapered roller bearings using a honing tool. The honing tool is subjected to two distinct motions in a direc... | 05/24/1977 |
| 4004375 | Apparatus for continuous cleaning of a honing tool The honing tool in a centerless honing apparatus is held in an oscillating head and is pressed against the workpiece transported by rotating rollers. The region of contact between the honing tool and the workpiece is immersed in a flushing liquid which se... | 01/25/1977 |
| 3959928 | Apparatus for micro-finish machining of compound, circular arc-shaped profiled surfaces in annular workpieces Method and apparatus for micro-finish machining of circular arc-shaped profiled surfaces in annular workpieces utilizing a honing tool. After an initial grinding operation the profiled surfaces of the workpieces are micro-finish machined using two machini... | 06/01/1976 |