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Rotary abrasive tool

  • US 4,133,146 A
  • Filed: 06/22/1977
  • Issued: 01/09/1979
  • Est. Priority Date: 06/22/1977
  • Status: Expired due to Term
First Claim
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1. Apparatus for rotating small sheets of abrasive material, comprising:

  • an elongated hub member rotatable about a predetermined axis and having a plurality of elongated undercut slots radially spaced from but located near said axis and extending along the length direction of said hub member, said hub member having a shaft-engaging first end and a tapered opposite end, and said slots being open at the end nearest the smallest diameter of the hub to allow an abrasive sheet to extend axially beyond the slot.

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