Patents Assigned to R. E. Baker Company, Inc.
  • Patent number: 4709441
    Abstract: A sweeper assembly for use with escalators includes a frame having a pivoted end structure on which a weighted bar is fixed to press a polishing pad adjacent a bristle element against the moving surfaces of the escalator. A vacuum cleaner is then rendered operative to draw the debris thus loosened into a nozzle deployed adjacent the bristle element.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: December 1, 1987
    Assignee: R. E. Baker Company, Inc.
    Inventor: Gene R. Center