Patents by Inventor Shigeki Kakei

Shigeki Kakei 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).

  • Linear motion guide unit with means for keeping cage against wobbling
    Patent number: 6971797
    Abstract: A linear motion guide unit where there is provided a tiny mechanism to keep a cage retaining therein more than one rolling element against wobbling. The cage retaining rolling elements holds therein a pinion, which mates with racks lying in the raceway grooves. A pinion holder is allowed to snap into a hook hole formed in the cage. To this end, the pinion holder has a flange extending out of any side of the pinion holder so as to come into abutment against any one surface of an edge around the hook hole, and an snap hook extending out of the other side of the pinion holder to come into engagement with another surface of the edge around the hook hole.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: December 6, 2005
    Assignee: Nippon Thompson Co., Ltd.
    Inventors: Kouji Obara, Shigeki Kakei
  • Linear motion guide unit with means for keeping cage against wobbling
    Publication number: 20040156565
    Abstract: A linear motion guide unit where there is provided a tiny mechanism to keep a cage retaining therein more than one rolling element against wobbling. The cage retaining rolling elements holds therein a pinion, which mates with racks lying in the raceway grooves. A pinion holder is allowed to snap into a hook hole formed in the cage. To this end, the pinion holder has a flange extending out of any side of the pinion holder so as to come into abutment against any one surface of an edge around the hook hole, and an snap hook extending out of the other side of the pinion holder to come into engagement with another surface of the edge around the hook hole.
    Type: Application
    Filed: November 21, 2003
    Publication date: August 12, 2004
    Applicant: NIPPON THOMPSON CO., LTD.
    Inventors: Kouji Obara, Shigeki Kakei