Patents Assigned to Volleyball Products International, Inc.
  • Patent number: 5980399
    Abstract: A ball toss apparatus for tossing a ball is disclosed. The ball toss apparatus includes an air compressor for compressing air. An air storage tank is connected to the air compressor for storing the compressed air. A pressure regulator is connected to the air storage tank for regulating the pressure of the compressed air contained in the air storage tank. A pneumatic air cylinder is connected to the air storage tank via a three-way solenoid actuated valve for receiving the compressed air. A ball launch arm is connected to the pneumatic cylinder for launching the ball.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: November 9, 1999
    Assignee: Volleyball Products International, Inc.
    Inventors: Douglas B. Campbell, Jeffrey J. Campbell