Patents by Inventor Tuyoshi Satou

Tuyoshi Satou 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).

  • Running control structure for a lawn tractor
    Patent number: 5511631
    Abstract: A running control structure for a lawn tractor switchable between a two-wheel drive mode and a four-wheel drive mode. The control structure includes a first driving device for driving a first pair of wheels, a second driving device for driving a second pair of wheels, and a clutch mechanism for switching the second driving device between a driving state and a non-driving state. The clutch mechanism has a controller for operating a clutch, and a spring for biasing the controller to a position corresponding to the non-driving state of the second driving device.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: April 30, 1996
    Assignee: Kubota Corporation
    Inventors: Hironori Tsuchihashi, Osami Fujiwara, Tuyoshi Satou, Yoshikazu Togoshi, Toshihiko Hamada, Yoshihiro Kawahara, Niro Bando