Abrading – Rigid tool – Rotary disk
Patent
1996-12-18
1999-04-20
Morgan, Eileen P.
Abrading
Rigid tool
Rotary disk
451359, B24B 4104
Patent
active
058953175
ABSTRACT:
A wheel hub is provided for use in combination with conventional depressed center grinding wheels. The hub includes a generally cylindrical aperture bushing. A disc shaped flange extends radially from a medial portion of the bushing and terminates at a peripheral lip. The bushing is adapted to extend through a central bore of the wheel so that the lip engages the backing face of the wheel proximate an outermost circumference of the depressed center. A grinding face end of the bushing is flangeable radially outward to engage the front grinding face of the wheel and mechanically capture the wheel between the grinding face end and the flange. The flange, lip and backing face form a cavity into which epoxy resin is placed to chemically bond the hub to the wheel. The combination of mechanical fastening and chemical bonding adequately secures the hub to the wheel, nominally without requiring the flange to extend over the stub. The present invention thus advantageously enables the wheel to be ground nominally to the stub, to provide improved wheel utilization.
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Morgan Eileen P.
Norton Company
Porter Mary E.
LandOfFree
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