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| Number | Title | Issue Date |
| 7241210 | Floor treating machine comprising individually driven discs A floor treating machine includes a frame provided with a housing which is supported with respect to the frame in such a manner that it can rotate about a substantially vertical housing axis, at least three heads positioned at intervals around the axis and rotatably... | 07/10/2007 |
| 7153198 | Fixture for slider lapping, lapping device and lapping method A fixture for slider lapping includes a holding portion for holding the object with its surface to be lapped toward the lapping surface of the lapping device; a main body for mounting the lapping fixture to the lapping device; a plurality of load-applied portions wh... | 12/26/2006 |
| 7022004 | Device for the treatment/working of surfaces A device for the machining of surfaces comprises a first housing unit (1), at which the device is to be supported, and a second housing unit (2), in which at least one tool holding fixture (9) for the grinding tool respectively polishing tool is... | 04/04/2006 |
| 6902469 | Work chamfering apparatus and work chamfering method A work chamfering apparatus includes a work holding portion. The work holding portion includes a work table and a clamper. The work table has an upper surface having two end portions each formed with holding grains projecting out of the upper surface. The two end po... | 06/07/2005 |
| 6758721 | Apparatus and method for lapping magnetic heads An apparatus for lapping a workpiece including a plurality of magnetic heads supported by a tool is disclosed. The lapping apparatus comprises a rotary-lapping table having an abrasive surface, and a lapping device assembly provided so as to be movable with respect ... | 07/06/2004 |
| 6450864 | End mill grinder with two independently adjustable grinding wheels An end mill grinder have two independently adjustable grinding wheels. The end mill grinder includes two grinding wheels which are located next to each other. Each grinding wheel is rotated by a motor. The grinding wheels are positioned in a manner which ... | 09/17/2002 |
| 6375539 | Lapping machine, lapping method, and row tool A lapping machine for lapping a row bar includes a lap plate for providing a lapping surface, a row tool having a plurality of bend cells formed by defining a plurality of slits, a pressure mechanism for pressing the row tool toward the lapping surface of... | 04/23/2002 |
| 6283830 | Grinding control unit of a tool bit grinder A grinding control unit installed in a tool bit grinder and adapted to control the feeding of a bit relative to a grinding wheel of a grinding unit of the tool bit grinder, the grinding control unit including a U-shaped support, a chuck adapted to hold th... | 09/04/2001 |
| 6257964 | Roll grinding system for a roll A roll grinding system includes a roll with a pair of longitudinally opposite ends, a longitudinal axis extending between the ends, and an outer surface. A material removal tool is movable in a travel path along a length of the roll. The material removal ... | 07/10/2001 |
| 6250999 | Multi-spindle lapping machine Lapping machine comprising a revolving turret (11) carrying at least several laps (13 to 17) that can be brought selectively into the machining position so that the laps can machine, in turn, one and the same cylindrical internal surface of a component. T... | 06/26/2001 |
| 6190245 | Quarter pad sander A hand operated orbital sander having a hand grip portion provided with a fluid supply inlet connected to a source of pressurized fluid and a fluid discharge; a base portion for mounting a sanding pad and having a chamber, a fluid inlet for directing flui... | 02/20/2001 |
| 5816899 | Micro precise polishing apparatus Apparatus and method for grinding semiconductor chips and other specimens prior to microscopic examination thereof by supporting a specimen on a specimen mount, fixing the specimen mount to a lower end of a lower arm, connecting an upper end of the lower ... | 10/06/1998 |
| 5429544 | Polishing apparatus for notch portion of wafer An polishing apparatus which can effectively polish a bottom wall of a wafer in a notch portion is disclosed. The apparatus includes: a table for supporting the wafer thereon; a rotary buff having a thickness so that the periphery thereof can enter the no... | 07/04/1995 |
| 5040337 | Method and apparatus for honing aircraft blades An apparatus for honing workpieces such as the midspans of jet aircraft engine blades is provided. The apparatus includes a flexibly mounted honing stone which will seat itself on the flat surface of the workpiece to be treated. To provide the necessary f... | 08/20/1991 |
| 5018313 | Roundness processing device of a slipper surface of a rocker arm A roundness processing device for a slipper surface of a rocker arm capable of rounding the slipper surface of the rocker arm without forming roundness on the polishing surface of a grinding wheel. A wheel side unit containing a disc-shaped grinding wheel... | 05/28/1991 |
| 4936053 | Lawn mower blade sharpener apparatus This invention relates to a lawn mower blade sharpener apparatus readily attachable to a bench grinder assembly having a rotating grinder wheel to sharpen an edge portion on a lawn mower blade. The lawn mower blade sharpener apparatus includes (1) a stati... | 06/26/1990 |
| 4905415 | Fiber optic terminus grinding and polishing machine A grinding and polishing machine (11) which includes a grinding section (15), a polishing section (17), a fixture (19) and a fixture bearing assembly (21). Fiber optic termini (169) are retained in the fixture (19) so that distal ends (185) of optical fib... | 03/06/1990 |
| 4891916 | Oscillatory or translational table for machine tools An orbital table assembly having a top plate which can be made to orbit or translate in a path without rotating, and having a fixed base plate under said top plate and a linkage plate between the two other plates, while an orbiting cam secured to the top ... | 01/09/1990 |
| 4387537 | Deburring and cleaning machine and process A deburring and cleaning machine and process designed to successfully clean work pieces such as castings, machined parts, and the like. The machine is characterized by a freely open work piece mounting plate movable in a predetermined pattern while simult... | 06/14/1983 |
