Patents by Inventor Tammy J. Simms

Tammy J. Simms 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).

  • Rotary ink valve assembly for controlling ink or printing fluid input in a printing press
    Patent number: 5179978
    Abstract: A rotary ink valve assembly with a plurality of rotary ink valves contained in a housing (10), having a stationary outer portion (16) with first and seconds ends (50, 52) connected by a cylindrical body (54) having at least one bypass aperture (42) adjacent the first end (50) and at least one ink output aperture (40) adjacent the second end (52). A substantially tubular inner portion (18) rotates within the cylindrical interior area (56) of the outer portion (16) with at least one bypass aperture (66) in the side wall (64) adjacent a first closed end (60) and at least one ink output aperture (68) in the side wall (64) adjacent a second open end (62). Ink is supplied to at least the open second end (62) for supplying ink to the inner portion (18) while the inner portion (18) is rotated by means (28, 32, 34) between an open position, a closed position and an intermediate position.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: January 19, 1993
    Assignee: Rockwell International Corporation
    Inventors: Tammy J. Simms, Frederick J. Whiting