Patents by Inventor David F. Chapman

David F. Chapman 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).

  • Golf swing conditioner
    Patent number: 6913543
    Abstract: The present invention is a piece of exercise equipment designed to train and condition sport-specific muscle groups used during a swinging motion, as in golf. It is comprised of a mechanical linkage, with at least six free-moving joints, so that it effectively simulates a wide variety of golf swings without the need for complex adjustments and provides for smooth and even distribution of resistance to the various muscle groups involved in the swinging motion. It includes a resistance mechanism, such as a pulley system linked to two one-way hydraulic cylinders. This allows a user to simultaneously practice swing form and technique while also strengthening and conditioning the specific muscles needed for the sport.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: July 5, 2005
    Inventors: David F. Chapman, Truman Vincent Cole, Kevin Paul Cavaretta
  • Golf swing conditioner
    Publication number: 20040152534
    Abstract: The present invention is a piece of exercise equipment designed to train and condition sport-specific muscle groups used during a swinging motion, as in golf. It is comprised of a mechanical linkage, with at least six free-moving joints, so that it effectively simulates a wide variety of golf swings without the need for complex adjustments and provides for smooth and even distribution of resistance to the various muscle groups involved in the swinging motion. It includes a resistance mechanism, such as a pulley system linked to two one-way hydraulic cylinders. This allows a user to simultaneously practice swing form and technique while also strengthening and conditioning the specific muscles needed for the sport.
    Type: Application
    Filed: April 15, 2003
    Publication date: August 5, 2004
    Inventors: David F. Chapman, Truman Vincent Cole, Kevin Paul Cavaretta
  • Golf swing conditioner
    Publication number: 20020025892
    Abstract: The present invention is a piece of exercise equipment designed to train and condition sport-specific muscle groups used during a swinging motion, as in golf. It is comprised of a mechanical linkage, with at least six degrees of freedom of motion so that it effectively simulates a wide variety of golf swings without the need for complex adjustments. It includes a resistance mechanism, such as a pulley system linked to two one-way hydraulic cylinders. This allows a user to simultaneously practice swing form and technique while also strengthening and conditioning the specific muscles needed for the sport.
    Type: Application
    Filed: March 16, 2001
    Publication date: February 28, 2002
    Applicant: Fit Express, Inc.
    Inventors: David F. Chapman, Truman Vincent Cole, Kevin Paul Cavaretta