Patents by Inventor Thomas A. Rengert

Thomas A. Rengert 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).

  • Oil metering blade loading assembly
    Patent number: 4011831
    Abstract: An improved oil metering blade assembly for maintaining a uniform film of oil on the surface of a fuser roll of a heated pressure fusing apparatus for fusing toner images. The blade holder is loaded by a single point loading mechanism to effect uniform loading of the blade with the fuser roll surface to ensure a uniform oil film thereon.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: March 15, 1977
    Assignee: Xerox Corporation
    Inventors: Oskar J. Braun, Thomas A. Rengert
  • Oil metering blade holding device
    Patent number: 3996887
    Abstract: An improved oil metering blade holding device for maintaining a uniform film of oil on the surface of a fuser roll of a heated pressure fusing apparatus for fusing toner images on copy sheets. An elastic blade member is received in a U-shaped holding member which is undercut to accommodate misalignment between the blade member and fuser roll surface under load conditions.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: December 14, 1976
    Assignee: Xerox Corporation
    Inventor: Thomas A. Rengert
  • Oil metering blade device
    Patent number: 3989005
    Abstract: An improved oil metering blade device for maintaining a uniform film of oil on the surface of a fuser roll of a heated pressure fusing apparatus for fusing toner images. The blade member is made from any suitable elastic material such as rubber with durometer between 57 and 67 and has a rectangular cross-section. In vicinity where it contacts the fuser roll surface the blade with a radially curved surface of between about 5 to about 20 mils.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: November 2, 1976
    Assignee: Xerox Corporation
    Inventors: Edward F. Bowler, Jr., Thomas A. Rengert