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Angle grinder

  • US 7,722,444 B2
  • Filed: 02/19/2008
  • Issued: 05/25/2010
  • Est. Priority Date: 05/13/2005
  • Status: Expired due to Fees
First Claim
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1. A power tool comprising:

  • a rotatable wheel spindle having a diametrically truncated portion and a threaded end;

    a first flange having a central aperture that receives the truncated portion of the wheel spindle, the first flange including a top surface and a bottom surface, the top surface having at least one collar and at least one protrusion having two ends extending from the collar toward the central aperture, the ends including two surfaces facing the central aperture and formed at an angle relative to each other so that there is an angle therebetween;

    a power tool component having an aperture that receives the threaded end of the wheel spindle, the power tool component disposed against the bottom surface of the first flange; and

    a second flange threaded on the threaded end of the spindle wheel for pressing the power tool component against the first flange,wherein the first flange can partially rotate with respect to the wheel spindle until a portion of an end of the truncated portion of the wheel spindle abuts a portion of one of the two ends of the protrusion of the first flange.

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