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Yard-care machine

  • US 5,537,807 A
  • Filed: 07/22/1994
  • Issued: 07/23/1996
  • Est. Priority Date: 07/22/1994
  • Status: Expired due to Fees
First Claim
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1. In a yard-care machine having a shroud and a cutting blade rotating in the shroud about an axis of rotation for removing the top portions of blades of grass, the improvement wherein:

  • the shroud includes an upper chamber and a lower chamber;

    the lower chamber has a first dimension measured generally normally to the axis and the cutting blade rotates in the lower chamber;

    the machine has a restricting area between the chambers and generally in registry with the axis of rotation;

    the restricting area has a second dimension measured generally normally to the axis and the second dimension is less than the first dimension;

    at least one rotating mulching blade is at the restricting area and comminutes the top portions into finely divided grass particles,whereby the top portions are converted to lawn-enriching mulch.

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