Patents by Inventor Pei Y. Lee

Pei Y. Lee 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).

  • Reversible ratcheting tool with improved control member
    Patent number: 6988429
    Abstract: A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: January 24, 2006
    Assignee: Easco Hand Tools, Inc.
    Inventors: Pei Y. Lee, Tzu S. Shzu, Robert L. Arnold
  • Reversible ratcheting tool with improved control member
    Patent number: 6971287
    Abstract: A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: December 6, 2005
    Assignee: Easco Hand Tools, Inc.
    Inventors: Pei Y. Lee, Tzu S. Shzu, Robert L. Arnold
  • Tool reversing lever
    Patent number: D505308
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: May 24, 2005
    Assignee: Hand Tools Design Corporation
    Inventors: Pei Y. Lee, Christopher E. Doles
  • Tool and reversing lever
    Patent number: D474381
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: May 13, 2003
    Assignee: Hand Tools Design Corporation
    Inventors: Pei Y. Lee, Christopher E. Doles
  • Tool and reversing lever
    Patent number: D477756
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: July 29, 2003
    Assignee: Hand Tools Design Corporation
    Inventors: Pei Y. Lee, Christopher E. Doles
  • Tool reversing lever
    Patent number: D484374
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: December 30, 2003
    Assignee: Hand Tools Design Corporation
    Inventors: Pei Y. Lee, Christopher E. Doles