Patents by Inventor Tuneo Hanzawa

Tuneo Hanzawa 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: 4577528
    Abstract: A driving/turnaround device in use with a remote controlled toy vehicle comprises a reversible motor operable by an external command, an intermediate gear being in mesh with a gear rotated by the motor, a pair of axles being independently provided for right and left driving wheels, the intermediate gear being in mesh with a gear for transmitting a drive force to one of the axles, a rectilinear movement gear and a turnaround reduction gear being in mesh with a gear for transmitting a drive force to the other of the axles, a swing member rotatably mounted to the car body being provided with a pair of switch gears meshing with each other, the swing member being swung so that one of the pair of the switch gears meshes with the intermediate gear, while the other is in mesh with the rectilinear movement gear in the forward rotation, and is meshed with the reduction gear in the reverse rotation.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: March 25, 1986
    Assignee: K. K. Hanzawa Corporation
    Inventor: Tuneo Hanzawa