Patents by Inventor Robert P. Sunnarborg

Robert P. Sunnarborg 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).

  • Vacuum cleaner nozzle lift device
    Patent number: 4467495
    Abstract: A vacuum cleaner nozzle adjuster for adjustably positioning a nozzle opening relative to the surface being cleaned so as to accommodate surfaces of all textures in which an integral manually accessible thumb wheel, lifting cam and locking ratchet unitary member is provided that is rotatable by manual engagement to cause the lifting cam operating against a movable front wheel support for the housing to properly position the nozzle opening and a pawl engages the locking ratchet to hold the wheel and nozzle in adjusted position.
    Type: Grant
    Filed: October 7, 1982
    Date of Patent: August 28, 1984
    Assignee: Whirlpool Corporation
    Inventors: Warren H. Fish, Robert P. Sunnarborg