Patent ID: 9622631
Date: 2017-04-18
CPC Classifications: A47L

Claim:
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.