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Vacuum cleaner electrostatic build up control system

  • US 4,866,565 A
  • Filed: 01/13/1989
  • Issued: 09/12/1989
  • Est. Priority Date: 01/13/1989
  • Status: Expired due to Fees
First Claim
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1. A static discharge protected system comprising a vacuum cleaning machine, a vacuum cleaning conductive hose assembly and at least one metal wand connected to said vacuum cleaning machine, said hose being provided with a wire molded in the wall of said hose, an electrically conductive ferrule at opposite ends of said hose assembly being connected to said wire in order to maintain uninterrupted electrical conductivity from said vacuum system to the free end of said metal wand, a tool removably attached to the free end of said metal wand having at least part which is fabricated of a static dissipating material, and a means for separately grounding at least part of said hose assembly.

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