Patents by Inventor Ethuo Shira

Ethuo Shira 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).

  • Gear type transmission unit
    Patent number: 4766773
    Abstract: A gear type transmission unit which includes a transmission unit housing, a bearing retainer mounted at a front wall portion of the transmission unit housing, and a first bearing held in the bearing retainer for supporting an input shaft, and is characterized by an upper portion of a bearing holding portion of the bearing retainer, formed to project toward the side of a gear speed changing mechanism. This projecting upper portion is formed with an oil groove for lubricating oil introduction, communicated with an oil hole for bearing lubrication formed in the bearing retainer.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: August 30, 1988
    Assignee: Mazda Motor Corporation
    Inventors: Touhei Yamaguchi, Kazuhiko Moriyama, Ethuo Shira