Patents by Inventor Paul Kassa

Paul Kassa 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).

  • Spring assist knife
    Patent number: 7313866
    Abstract: A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A latch cam having an offset pin is located relative to the second recess. The liner includes an arcuate slot in which the offset pin of the latch cam is located. The arcuate slot within the liner or handle also includes a convex extension. A spring is configured to provide a force in the direction of blade opening and provides the force throughout the entire range of blade motion. The spring applies its force to the offset pin to bias the blade in the closed position until the blade reaches a predetermined angle. Then the spring biases the blade to the open position.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: January 1, 2008
    Assignee: Buck Knives, Inc.
    Inventors: Eric Linn, Paul Naranjo, Paul Kassa, Brandon Hatcher
  • Spring assist knife
    Patent number: 7107686
    Abstract: A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A latch cam having an offset pin is located relative to the second recess. The liner includes an arcuate slot in which the offset pin of the latch cam is located. The arcuate slot within the liner or handle also includes a convex extension. A spring is configured to provide a force in the direction of blade opening and provides the force throughout the entire range of blade motion. The spring applies its force to the offset pin to bias the blade in the closed position until the blade reaches a predetermined angle. Then the spring biases the blade to the open position.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: September 19, 2006
    Assignee: Buck Knives, Inc.
    Inventors: Eric Linn, Paul Naranjo, Paul Kassa, Brandon Hatcher
  • Spring assist knife
    Publication number: 20060123632
    Abstract: A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A latch cam having an offset pin is located relative to the second recess. The liner includes an arcuate slot in which the offset pin of the latch cam is located. The arcuate slot within the liner or handle also includes a convex extension. A spring is configured to provide a force in the direction of blade opening and provides the force throughout the entire range of blade motion. The spring applies its force to the offset pin to bias the blade in the closed position until the blade reaches a predetermined angle. Then the spring biases the blade to the open position.
    Type: Application
    Filed: January 31, 2006
    Publication date: June 15, 2006
    Applicant: Buck Knives, Inc.
    Inventors: Eric Linn, Paul Naranjo, Paul Kassa, Brandon Hatcher
  • Spring assist knife
    Publication number: 20040244205
    Abstract: A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A latch cam having an offset pin is located relative to the second recess. The liner includes an arcuate slot in which the offset pin of the latch cam is located. The arcuate slot within the liner or handle also includes a convex extension. A spring is configured to provide a force in the direction of blade opening and provides the force throughout the entire range of blade motion. The spring applies its force to the offset pin to bias the blade in the closed position until the blade reaches a predetermined angle. Then the spring biases the blade to the open position.
    Type: Application
    Filed: February 6, 2004
    Publication date: December 9, 2004
    Applicant: Buck Knives, Inc.
    Inventors: Eric Linn, Paul Naranjo, Paul Kassa, Brandon Hatcher