Patents by Inventor Yasushi Kobay

Yasushi Kobay 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).

  • Drum brake device
    Patent number: 6125976
    Abstract: A drum brake device that functions as a leading-trailing (LT) type when the service brake is applied, and as a duo-servo (DS) type when the parking brake is applied, in which the automatic shoe clearance adjustment mechanism functions precisely for a prolonged period, thereby generating no strange noise. This mechanism also eliminate any impact load applied to any of the components, thus enabling a lighter device. The middle segment of a long link 11 is pivotable in the middle of the one brake shoe 2.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: October 3, 2000
    Assignee: Nisshinbo Industries Inc.
    Inventors: Seiji Asai, Yasushi Kobay