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Air precleaning apparatus

  • US 5,320,653 A
  • Filed: 05/20/1993
  • Issued: 06/14/1994
  • Est. Priority Date: 05/20/1993
  • Status: Expired due to Term
First Claim
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1. In an air pre-cleaner, a wall having a first surface and a second surface and having an opening extending between said surfaces, a tube to conduct air, connecting means for connecting said tube in said opening, said connecting means comprising a flexible lip projecting laterally outward from the tube and spaced from an end of the tube, said lip being sealingly engaged with said first surface, an annular shoulder disposed between said lip and said tube end and spaced from said lip to provide a groove therebetween, said wall being disposed in said groove and said shoulder disposed in engagement with said second surface, an end portion of said tube located between said shoulder and said tube end having at least one longitudinal open-ended slot to provide radial flexibility for said end portion, insertion of said tube end in said opening causing said end portion to flex inwardly and permit engagement of said groove with said wall.

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