Patents by Inventor Jiro Sata

Jiro Sata 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).

  • Method for securing shaft of cam follower device for valve action mechanism
    Patent number: 5375323
    Abstract: A method of securing a shaft of a cam follower device for a valve action mechanism is provided such that after both ends of the shaft are engaged in an interference relationship in the through-holes which are formed in alignment in a pair of separated support walls provided opposing the cam to receive the action of a cam, the diameter at both ends of the shaft is expanded and the opposite ends of the shaft are caulked or crimped at the inner peripheral surface of the through-holes, and then both ends of the shaft are further expanded throughout the entire periphery thereof and inset or wedged into the inner peripheral surface of the through-holes.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: December 27, 1994
    Assignee: NSK Ltd.
    Inventor: Jiro Sata