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Height adjusting system for upright vacuum cleaner

  • US 5,467,502 A
  • Filed: 03/02/1994
  • Issued: 11/21/1995
  • Est. Priority Date: 06/04/1992
  • Status: Expired due to Term
First Claim
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1. An adjustment apparatus of a vacuum cleaner nozzle assembly which includes an agitator brush driven by an agitator motor for controlling the distance of the agitator brush from the floor surface being cleaned and for deenergizing the agitator motor, comprising:

  • a wheel assembly movably mounted to the nozzle assembly for supporting the agitator brush above the floor surface;

    means for moving the wheel assembly from a first position wherein the agitator brush is closest to the floor to a second position wherein the agitator brush is furthest from the floor; and

    a switching means responsive to the means for moving the wheel assembly which deenergizes the agitator motor when the wheel assembly is in the first position.

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