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| Number | Title | Issue Date |
| 5184426 | Grinding wheel form defining device A grinding wheel form defining device defines a cross-sectional form of a grinding wheel for grinding works, the cross-sectional form including a grindstone axis. Data storage is provided for storing cross-sectional forms of workpieces which are final for... | 02/09/1993 |
| 5133158 | Control system of grinding machine The control system is provided in a grinding machine composed of an axially movable rotational shaft having a grinding tool and being supported magnetically by electromagnets. The control system includes a target position modifying controller for modifyin... | 07/28/1992 |
| 5076020 | Apparatus for in-situ dressing of threaded grinding wheels used in gear grinding machines An apparatus for in-situ dressing of threaded type grinding wheels that is more versatile in operation than conventional operator-controlled equipment. The grinding wheel and dressing tool posts are driven by respective motors controlled and synchronized ... | 12/31/1991 |
| 4561415 | Apparatus for profiling an abrasive millstone This invention relates to an apparatus for profiling, truing or dressing, with precision, an abrasive millstone, by cutting using diamond tools. The apparatus comprises a truing head 15 consisting of a cylinder 16 which is provided with a series of separate re... | 12/31/1985 |
| 4520788 | Rotating wheel dresser A wheel dresser for precision grinding wheels made up of a housing supporting a rotatable diamond tool with a flat end and a housing supporting the two at an angle to the side edge of the wheel to be dressed. Base of the wheel dresser is magnetic and can ... | 06/04/1985 |
| 4450826 | Tool for truing up grinding wheels A holder to which a machining insert for example of triangular configuration is secured; this insert comprises a pivot pin, is clamped by means of a jaw and positioned angularly by a slider having a forked end portion urged against one side of the insert ... | 05/29/1984 |
| 4221082 | Device for holding precious stones during cutting and polishing the facets thereof A device for holding precious stones during cutting and polishing the facets thereof comprises a rod having a mounting tip at one end for mounting the stone, a positioning collar loosely received on the rod so as to be movable both axially and rotatably t... | 09/09/1980 |
| 4140098 | Indexable head diamond dressing tool A diamond dressing tool including a tool holding head member and supporting shank having cooperating conical bearing surfaces urged together in tight frictional engagement by spring means operatively mounted therebetween. The head member is so mounted on ... | 02/20/1979 |
| 4083350 | Diamond grinding wheel precision convex radii dressing apparatus A tube is mounted with the top of one end in contact with the wheel. The lower part of that tube end is aligned to contact a stop. The tube is urged toward the stop and rotated about its longitudinal axis. With the grinding wheel rotating, the contact of ... | 04/11/1978 |
