Patents by Inventor Kenji Tsuruki

Kenji Tsuruki 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).

  • Patent number: 4733979
    Abstract: An improved thrust roller bearing assembly is proposed which comprises a thrust roller bearing and an annular shim. According to this invention, the shim can be coupled with the thrust roller bearing beforehand. This simplifies the assembly of related members. Engaging means provided on the cylindrical portion of the outer race or the inner race or on the shim assures a stable coupling of the shim with the thrust roller bearing.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: March 29, 1988
    Assignee: NTN Toyo Bearing Co., Ltd.
    Inventor: Kenji Tsuruki
  • Patent number: 4725153
    Abstract: An improved thrust roller bearing assembly is proposed which comprises a thrust roller bearing and an annular shim. According to this invention, the shim can be coupled with the thrust roller bearing beforehand. This simplifies the assembly of related members. Engaging means provided on the cylindrical portion of the outer race or the inner race or on the shim assures a stable coupling of the shim with the thrust roller bearing.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: February 16, 1988
    Assignee: NTN Toyo Bearing Co., Ltd.
    Inventor: Kenji Tsuruki