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Riding lawn mower having a liquid-cooled engine

  • US 6,105,349 A
  • Filed: 11/06/1998
  • Issued: 08/22/2000
  • Est. Priority Date: 11/06/1998
  • Status: Expired due to Term
First Claim
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1. A lawn mower, comprising:

  • a frame means having rearward and forward ends and opposite sides;

    drive wheels rotatably mounted on said frame means for driving the lawn mower;

    a mower deck supported by said frame means at the forward end thereof;

    at least one cutting blade rotatably disposed within said mower deck;

    a liquid-cooled engine mounted on said frame means for driving said drive wheels and said cutting blade;

    a radiator operatively connected to said liquid-cooled engine for cooling the liquid in said engine;

    said radiator being disposed above said engine;

    a radiator grille positioned above said radiator for allowing the flow of cooling air downwardly therethrough towards said radiator;

    said radiator grille including a perforated screen member having perforations formed therein for allowing the flow of cooling air therethrough and restricting the passage of chaff therethrough;

    said perforated screen member being corrugated and including a series of rearwardly extending, alternating, elongated grooves and ridges;

    said grooves and ridges having forward and rearward ends;

    said perforated screen member being inclined with respect to horizontal from one of said forward and rearward ends to the other of said forward and rearward ends to define a lower end of said grooves and ridges;

    said perforated screen member being adapted to direct accumulated chaff in said grooves and on said ridges toward said lower end.

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