Patents Assigned to Phoenix Engineering, Inc.
  • Track suspension system
    Patent number: 4953919
    Abstract: A triangular track suspension system includes a drive sprocket, a track frame having idler wheels mounted on its ends, and a track draped about the drive sprocket and idler wheels. One of the idler wheels is mounted for fore and aft movement relative to the track frame. A take up mechanism is provided that moves the idler wheel in a forward direction as the track frame rocks to maintain a substantially constant circumference around the idler wheels and drive sprocket.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: September 4, 1990
    Assignee: Phoenix Engineering, Inc.
    Inventor: Frederic E. Langford