Patent · US Expired

Floor treating machine

US4218798A · kind A · utility

11Cited by
17References
30Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 1979
Grant dateAug 26, 1980
Priority date
Expiry dateJun 19, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L11/4072
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.