Patents by Inventor Steven R. Chambers

Steven R. Chambers 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).

  • Propellant stick kerfing apparatus and method
    Patent number: 5349892
    Abstract: A propellant stick kerfing apparatus includes a support frame, a conveyor mounted on the support frame and operable for conveying a succession of spaced propellant sticks along a path of travel with the sticks extending in transverse relation to the direction of travel, a drive arrangement mounted on the support frame and coupled to the conveyor for driving the conveyor to advance the succession of propellant sticks along the path of travel, and pairs of upper and lower blades mounted stationarily on the support frame and defining cutting edges for making transaxial kerfs in the propellant sticks from opposite upper and lower sides thereof as the succession of spaced sticks are advanced along the path of travel between the cutting edges.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: September 27, 1994
    Assignee: Alliant Techsystems Inc.
    Inventors: Michael A. Taylor, Steven R. Chambers