Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 5497759 | Driving apparatus for a diamond toolholder The single-motored apparatus includes a motor which rotatingly drives a main shaft and a correction shaft, the main shaft in turn rotatingly driving the diamond toolholder, a clutch for coupling and uncoupling the shafts, and a cam/feeler assembly for tra... | 03/12/1996 |
| 4603677 | Orthogonal dressing of grinding wheels In dressing a grinding wheel having a non-cylindrical contour, the wheel is moved in a path corresponding substantially to the desired wheel contour by first and second CNC controlled slides while a single point diamond or diamond roll dresser is rotated ... | 08/05/1986 |
| 4522189 | Adjustable cam bar assembly An adjustable cam bar assembly for use in guiding a diamond dresser for the grinding wheels of a multi-wheel grinder. A plurality of cams are individually mounted on an elongated support in adjusted position. Wedges engageable with the cams are advanced o... | 06/11/1985 |
| 4522188 | Gimbal-mounted dressing device for grinding machine A two point diamond dresser is suspended from a gimbal mechanism for swinging about two orthogonal axes. A cam mechanism having one cam and two cam followers is provided to impart a swinging movement to the dresser about one pivot axis when the cam rotate... | 06/11/1985 |
| 4483103 | Dressing apparatus for a dished grinding wheel at a tooth flank-grinding machine A dressing apparatus for a dished or plate-shaped grinding wheel of a tooth flank-grinding machine, comprising a dressing carriage or slide which can be radially advanced or fed by means of a radial drive in relation to the grinding wheel. The dressing ca... | 11/20/1984 |
| 4423570 | Apparatus for dressing and adjusting a grinding wheel at a tooth flank-grinding machine An apparatus for dressing and adjusting a dished or plate-shaped grinding wheel at a tooth flank-grinding machine for a gear has an adjustable grinding wheel support at which there is mounted the grinding wheel, and a dressing carriage which is adjustable... | 01/03/1984 |
| 4143637 | Dressing device for plate-shaped grinding wheels of a gear tooth flank-grinding machine A dressing device for a substantially plate-shaped grinding wheel at a tooth flank-grinding machine for a gear comprising a dressing tool which is radially feedable by a drive means for dressing the outer or jacket surface of the grinding wheel. Measuring... | 03/13/1979 |
| 4128093 | Dressing devices for profiling grinding wheels for the form grinding of involute gears A device for dressing a grinding wheel for form grinding of helically toothed involute cylindrical gears comprises a straight edge rolling on an arcuate guide, and a guideway adjustable to the base helix angle of the gear being ground is given an involute... | 12/05/1978 |
