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Surface maintenance equipment

  • US 4,320,556 A
  • Filed: 09/12/1980
  • Issued: 03/23/1982
  • Est. Priority Date: 09/12/1980
  • Status: Expired due to Term
First Claim
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1. Surface maintenance equipment comprising:

  • body structure and a plurality of wheels supporting said body structure, said body structure including a hopper, a downwardly opening housing defining a debris pickup chamber, and means for conveying debris from said pickup chamber to said hopper, said pickup housing including downwardly extending skirt means for partially sealing around the perimeter of said pickup chamber, at least a portion of said skirt means comprising in cross-section a substantially closed S-shaped stabilizing member and a vertically oriented skirt overlying said stabilizing member, said stabilizing member and skirt being comprised of a resilient material, whereby said stabilizing member resiliently urges said skirt into sealing engagement with the surface being maintained.

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