Patents Assigned to Sun Sports Yohin Co., Ltd.
  • Patent number: 4270511
    Abstract: An apparatus for shooting a curve ball used in the practice of baseball, table tennis, or tennis. A conventional shooting mechanism substantially comprises a flexible hose through which a ball is carried under air pressure, a loop holder which supports the shooting end of the flexible hose in a loop shape and a support strut which rigidly supports the loop holder. A novel feature of this invention is that the apparatus is further provided with a device which can rotate and tilt the loop holder so that the ball shot from the shooting end of the flexible hose can be imparted a desired kind of spin.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: June 2, 1981
    Assignee: Sun Sports Yohin Co., Ltd.
    Inventor: Goro Ehama