Stone working – Tools – Traction rotated
Patent
1979-01-31
1980-12-09
Whitehead, Harold D.
Stone working
Tools
Traction rotated
B28D 502
Patent
active
042378532
ABSTRACT:
A dresser for roughening the surface of an abrasive wheel has a cutter means for rotation in contact with the abrasive wheel. The cutter means includes a plurality of cutter teeth mounted on a cutter shaft. Ball bearings at each end of the cutter shaft permit the cutter means to rotate freely when held against an abrasive wheel as the wheel is rotated. A pair of hexagonal bearing supports each define a bearing receiving recess for receiving the ball bearings mounted at each end of the cutter shaft. Each of the bearing supports also defines a threaded, bolt receiving opening. A dresser body defines a cavity receiving the cutter unit and slots on opposite sides of the cavity receiving the bearing supports. The dresser body has bolt holes extending from the exterior of the body into the cavity through each of the slots. The dresser body includes a dresser handle which permits the dresser to be manipulated manually. Cutter supporting bolts extend from the exterior of the dresser body through the bolt holes into the cavity and engage the threaded bolt receiving openings in the bearing supports. A pair of locating ridges on the exterior of the body extend parallel to the cutter shaft, permitting accurate location of the dresser on an abrasive wheel tool rest with respect to the abrasive wheel. In an alternative embodiment, a dresser mounting plate is pivotally attached to the dresser body and, further, pivotally attached to the abrasive wheel tool rest, such that the dresser may be quickly pivoted into position for dressing the abrasive wheel.
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patent: 2787095 (1957-04-01), Lovett
patent: 2926654 (1960-03-01), Johnston
The Desmond-Stephan Mfg. Company
Whitehead Harold D.
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