Patents by Inventor Carlos F. Otto

Carlos F. Otto 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).

  • Patent number: 5265583
    Abstract: This invention relates to an automatic ball control apparatus readily connectable to a ball ejector barrel on a ball ejector machine to impart top spin to ejected tennis ball members. The automatic ball control apparatus includes a ball top spin actuator assembly in one embodiment which includes 1) a fixed extension sleeve assembly secured to an outer end of the ball ejector barrel; 2) a sliding actuator sleeve assembly mounted about the fixed extension sleeve assembly; and 3) a spin actuator paddle assembly pivotally connected to the sliding actuator sleeve assembly. The spin actuator paddle assembly includes a main support lever member which is periodically pivotable to contact and impart top spin motion to a contacting tennis ball member. A second embodiment includes a ball top spin actuator assembly including 1) a fixed extension sleeve assembly secured to an outer end of the ball ejector barrel; and 2) a spin actuator paddle assembly connected to the fixed extension sleeve assembly.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: November 30, 1993
    Inventor: Carlos F. Otto