Patents by Inventor Yoshiaki Harita

Yoshiaki Harita 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).

  • Device for adjusting rotating angle of vessel of dump truck
    Patent number: 3989301
    Abstract: A device for adjusting the rotating angle of a vessel of a dump truck which includes a detent having a guide recess, which is pivotally connected to the vehicle body said detent being connected to a spool of a control valve operated by an operating lever. An arm is pivotally connected to the vehicle body and has a cam follower journaled therein, and another arm is secured to the rod of a cylinder and has a bolt which is secured to said another arm and is adjustable in height. Thus, the shock is absorbed when the vessel is travelling upwards and is stopped.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: November 2, 1976
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Haruhiko Umeda, Hiroshi Ito, Tadatoshi Mizuno, Yoshiaki Harita