Patents by Inventor Steven John Albert Waldhauser

Steven John Albert Waldhauser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Scrubber head anti-vibration mounting
    Patent number: 6530102
    Abstract: A floor surface conditioning machine, typically a floor scrubbing machine comprising a support structure and supporting wheels, powered scrub brushes beneath the support structure, a brush carriage connecting the scrub brushes to the support structure, and a frictional motion dampener between the brush carriage and the support structure to dampen vibration of the brush carriage caused by the scrub brushes, this frictional motion dampener having a pair of friction members spaced from each other and astraddle a fixed member, and a pair of biasing springs biasing the pair of friction members against opposite sides of the fixed member. The fixed member includes a cam track and the friction members have a cam follower therebetween to follow the cam track during vertical movement of the brush carriage.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: March 11, 2003
    Assignee: Tennant Company
    Inventors: Paul M. Pierce, Steven John Albert Waldhauser