Patents by Inventor Richard D. Forster

Richard D. Forster 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).

  • Magnetic latching contactor
    Patent number: 6424243
    Abstract: The present invention provides a magnetic latching contactor for high current switching applications. A stationary assembly is provided which comprises a first passive biasing member and an active biasing member. A moveable assembly is slidably coupled to the stationary assembly for movement between a first stable position and a second stable position. A second passive biasing member is also provided. The first passive biasing member applies a first passive biasing force to the moveable assembly biasing the moveable assembly toward the first stable position. The second passive biasing member applies a second passive biasing force to the moveable assembly biasing the moveable assembly toward the second stable position. The active biasing member provides an active biasing force to the moveable assembly alternatively biasing the moveable assembly to the first stable position and the second stable position.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: July 23, 2002
    Assignee: Prestolite Electric Incorporated
    Inventor: Richard D. Forster
  • Magnetic latching contactor
    Patent number: 6236293
    Abstract: The present invention provides a magnetic latching contactor for high current switching applications. A stationary assembly is provided which comprises a first passive biasing member and an active biasing member. A moveable assembly is slidably coupled to the stationary assembly for movement between a first stable position and a second stable position. A second passive biasing member is also provided. The first passive biasing member applies a first passive biasing force to the moveable assembly biasing the moveable assembly toward the first stable position. The second passive biasing member applies a second passive biasing force to the moveable assembly biasing the moveable assembly toward the second stable position. The active biasing member provides an active biasing force to the moveable assembly alternatively biasing the moveable assembly to the first stable position and the second stable position.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: May 22, 2001
    Assignee: Ametek, Inc.
    Inventor: Richard D. Forster