Patents by Inventor Yasumaza Mizukoshi

Yasumaza Mizukoshi 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: 4808145
    Abstract: A tripod type constant velocity joint comprises: a housing including three grooves each of which has curved surfaces opposing each other in a circumferential direction; a shaft inserted into the housing; three trunnions mounted on said shaft and outwardly extending right-angled relative to an axis of said shaft; three rollers movably mounted on said three trunnions; and an aligning member disposed between each of the three rollers and the curved surfaces of each of the three grooves; said aligning member means being movable along the curved surfaces of said groove.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: February 28, 1989
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventor: Yasumaza Mizukoshi
  • Patent number: 4775355
    Abstract: A tripod type constant velocity joint which comprises: a housing including three grooves each of which has curved surfaces opposing each other in a circumferential direction; a shaft inserted into the housing; three trunnions mounted on the shaft and outwardly extending right-angled relative to an axis of the shaft; three rollers movably mounted on the three trunnions; and aligning member disposed between each of the three rollers and the curved surfaces of each of the three grooves; the aligning member being movable along the curved surfaces of the groove.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: October 4, 1988
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventor: Yasumaza Mizukoshi