Floor And Wall Cleaner Patents (Class 15/49.1)
Scrubber (Class 15/50.1)
Cylindrical brush (Class 15/52.1)
Reciprocating brush (Class 15/52.2)
  • Apparatus for cleaning floors
    Patent number: 6212731
    Abstract: An apparatus for cleaning floors having an undercarriage including front and rear axles (1,3) bearing at least one wheel (2,4) and a driver's seat. A steering mechanism is connected to one of the axles (1,3) for steering the apparatus. There are provided front cleaning element (5) near the front axle (1) for carrying out a first cleaning step and rear cleaning element (6) for carrying out a second cleaning step. The front and rear axles (1,3) are operatively connected in order to steer both axles in a predetermined relationship, such that the front and rear cleaning elements (5,6) follow substantially the same path.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: April 10, 2001
    Assignee: Diversey Lever, Inc.
    Inventors: Uwe Eckerlein, Heinrich Mayer
  • Surface cleaning machine with multiple control positions
    Patent number: 6202243
    Abstract: A surface cleaning machine includes a chassis, wheels for supporting the chassis and a motor for moving the chassis. There are cleaning implements mounted on the chassis and there is a steering mechanism for use by an operator for directing movement of the chassis. The steering mechanism includes an operator movable control assembly and a coupling connected to it for causing turning movement of one or more of the chassis wheels. The chassis includes a first mount for the control assembly and a drive connection between the first mount and the coupling. The chassis includes a second mount for the control assembly and a drive connection between the second mount and the coupling. There is an operator manipulable attaching element for connecting the control assembly to either the first mount whereby the operator may drive the machine from a position seated upon the chassis or to the second mount whereby the operator may drive the machine from a position walking behind the chassis.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: March 20, 2001
    Assignee: Tennant Company
    Inventors: Jeffrey John Beaufoy, Kevin LeRoy Shinler
  • Assembly for a head of a surface maintenance machine and machine comprising such
    Patent number: 6185776
    Abstract: The invention relates to an assembly for a head of a surface maintenance machine, said assembly comprising: scrubbing means for directly contacting, scrubbing/maintaining surfaces such as floors, walls and the like; support means for the scrubbing means, whereunder the scrubbing means are arranged; buffer means arranged on the opposite side of the support means to the scrubbing means, for absorbing forces exerted during operation of the surface maintenance machine; coupling means in association with the buffer means for coupling the scrubbing means to a motor of the surface maintenance machine, wherein the buffer means are centrally positioned with regard to the coupling and scrubbing
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: February 13, 2001
    Assignee: Diversey Lever, Inc.
    Inventor: Dieter Windmeisser