Hinged edger housing improved internal debris guard and labyrinth perimeter seal

  • US 6,612,376 B2
  • Filed: 10/16/2001
  • Issued: 09/02/2003
  • Est. Priority Date: 10/16/2001
  • Status: Active Grant
First Claim
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1. A power edger comprising:

  • a power source for providing a rotational output;

    a blade device coupled to the power source and rotating about a rotary axis in a rotational direction in response to the rotational output of the power source;

    a housing assembly defining a blade cavity in which the blade device is rotatably mounted, the housing assembly including a guard that is configured to shroud the blade device, the guard having a confronting portion that at least partially surrounds the blade device as it rotates in the blade cavity, the confronting portion being defined by a radius that increases in the rotational direction from a first radius at a leading end of the confronting portion to a second, larger radius at a trailing end of the confronting portion, the radius increasing smoothly from the leading end to the trailing end.

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