Suction nozzle with ducting

  • US 5,513,418 A
  • Filed: 06/27/1994
  • Issued: 05/07/1996
  • Est. Priority Date: 06/27/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A suction nozzle having a rear discharge duct including:

  • a) a nozzle body;

    b) a sidewardly extending duct communicating with said rear discharge duct;

    c) said sidewardly extending duct being disposed to extend transversely along said nozzle body;

    d) said sidewardly extending duct including a bottom wall;

    e) said bottom wall forming a nozzle supporting lip;

    f) said sidewardly extending duct also including a pair of vertically extending walls;

    g) one of said vertically extending walls being spaced from said supporting lip to provide an open slot for air and dirt impingement on said nozzle supporting lip and transport along said sidewardly extending duct; and

    h) said sidewardly extending duct providing a constant air flow velocity characteristic by expanding in cross-section area along said nozzle body toward said rear discharge duct.

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