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Surface cleaning nozzle adjustment apparatus with adjustable blade assembly

  • US 9,622,631 B2
  • Filed: 09/18/2013
  • Issued: 04/18/2017
  • Est. Priority Date: 09/18/2013
  • Status: Active Grant
First Claim
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1. A surface cleaner comprising:

  • a housing;

    an adjustable lift assembly coupled to and moveable relative to the housing;

    an adjustable blade assembly coupled to and moveable relative to the housing;

    a spring coupled between the housing and the adjustable blade assembly, the spring applying a force on the adjustable blade assembly to move the adjustable blade assembly toward a lowered position, wherein the adjustable blade assembly is allowed to move toward a raised position against the force such that the force maintains the adjustable blade assembly in contact with a surface to be cleaned; and

    an adjustment member coupled to and movable relative to the housing to adjust the adjustable lift assembly and the adjustable blade assembly;

    wherein the adjustment member includes a first cam surface coupled to the adjustable lift assembly and a second cam surface coupled to the adjustable blade assembly.

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