Patents by Inventor Patrick A. Huttner

Patrick A. Huttner 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).

  • Patent number: 5455982
    Abstract: Apparatus (10) is disclosed including an interchangeable brush (88) and either a removable vacuum shoe (38) for soft floor surfaces or removable squeegee and carriage assemblies (56, 68) for hard floor surfaces. A spindle (32) is rotatably mounted in the chassis (18) and includes first and second arms (36, 52). The first arm (36) is attached to a sleeve (34) for removably and pivotally receiving a pivot pin (40) of the vacuum shoe (38). The second arm (52) includes an elongated slot (54) which slideably receives a follower pin (82) of a crank arm (80) of the carriage assembly (68). The spindle (32) is rotated by an integral lever (44) pivotally connected to a linkage (46) having its opposite end pivotally connected to a second, pivotable lever (26).
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: October 10, 1995
    Assignee: Advance Machine Company
    Inventors: Cary W. Armstrong, Patrick A. Huttner, Everett E. Johnson