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Drain inlet cover

  • US 7,131,787 B2
  • Filed: 05/11/2005
  • Issued: 11/07/2006
  • Est. Priority Date: 05/11/2004
  • Status: Active Grant
First Claim
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1. A drain inlet cover suitable for installation over a drain in a road which is bordered by a sidewalk and separated from the sidewalk by a vertical curb, with access to the drain through an opening in the curb, the drain inlet cover comprisinga horizontal laminar section which has front, rear and side edges, anda vertical laminar section which has a lower edge secured to the rear edge of the horizontal section;

  • the horizontal section comprising(a) an upper laminar member which has a plurality of relatively large apertures therethrough,(b) a lower laminar member which has a plurality of relatively large apertures therethrough, and(c) a horizontal laminar filter member which(i) is sandwiched between the upper and lower members, and(ii) has a plurality of relatively small filter apertures therethrough; and

    the vertical section comprising(a) a front member which has a plurality of relatively large apertures therethrough,(b) a rear member which has a plurality of relatively large apertures therethrough, and(c) a vertical filter member which(i) lies between the front and rear members, and(ii) has a plurality of relatively small filter apertures therethrough.

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