ApplicationNo. 06/049883 filed on 06/19/1979
US Classes:15/49.1, Floor and wall cleaner15/87Rotary-brush disk
ExaminersPrimary: Roberts, Edward L.
Attorney, Agent or Firm
International ClassesA47L 11/00 (20060101)
A47L 11/16 (20060101)
AbstractA floor treating machine primarily adapted for scrubbing a hard floor surface is disclosed. The machine includes a main frame, a modular support subassembly and a brush subassembly. The support subassembly includes a frame member secured to the main frame and a brush lift assembly. The brush lift assembly includes a main lift arm pivoted to the support frame, a fluid operated diaphragm motor engaging the main lift arm and a tilt arm pivoted at one end to the frame. The main lift arm and tilt arm are operatively connected to the brush subassembly.