Patents by Inventor Youji Tsutsui

Youji Tsutsui 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).

  • Valve control structure for working vehicle
    Patent number: 4646778
    Abstract: There is disposed a valve control structure for a working vehicle for operating two control valves by means of a control lever rockable crosswise, wherein one of the valves is operable by a rocking movement in a first direction of the control lever and the other valve is operable by a rocking movement in a second direction of the control lever. A connection switching mechanism is provided between the control lever and the valves to switch interlocking relations of the two control valves with respect to the rocking directions of control lever. This switching is readily carried out by operating a single switch lever permits the operator to use the vehicle after selecting the interlocking relations to which he is accustomed.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: March 3, 1987
    Assignee: Kubota, Ltd.
    Inventors: Kazuhiko Tsuji, Youji Tsutsui