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Adapter for abrasive cutting wheels

  • US 8,408,974 B2
  • Filed: 07/14/2009
  • Issued: 04/02/2013
  • Est. Priority Date: 07/14/2009
  • Status: Active Grant
First Claim
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1. An abrasive disc assembly for use with a power tool having an externally threaded, motor-driven spindle, said abrasive disc assembly comprising:

  • an abrasive disc having a central bore formed therethrough;

    a male portion having an internally-threaded hub portion and a flange portion, an outer dimension of said hub portion being sized to be received within said central bore of said abrasive disc, said internally-threaded hub portion adapted to be threadedly engagable with the externally threaded, motor-driven spindle of the power tool;

    an articulating locking finger extending from said male portion and having a retaining surface, said articulating locking finger being deflectable between a locked position and a deflected position; and

    a female portion having a central cavity and an engagement surface, said central cavity receiving said hub portion of said male portion such that said retaining surface of said articulating locking finger engages said engagement surface of said female portion thereby releasably coupling said male portion to said female portion and retaining said abrasive disc between said flange portion of said male portion and an axial face of said female portion.

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