Patents by Inventor Hideki Sunada

Hideki Sunada 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: 6554713
    Abstract: A coupling for coupling first and second shafts is described. The coupling comprises an annular unit including a plurality of annular metal plates which are put on one another, a first group of bolt bores formed through the annular unit, a second group of bolt bores formed through the annular unit, a first group of bolts and nuts which are incorporated with the first group of bolt bores to fix the annular metal plates, a second group of bolts and nuts which are incorporated with the second group of bolt bores to fix the annular metal plates, a first yoke which connects the first shaft to the first group of bolts and nuts, and a second yoke which connects the second shaft to the second group of bolts and nuts. A stopper structure is further provided by which every mutually contacting portions of the annular metal plates are suppressed from making a relative displacement therebetween.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: April 29, 2003
    Assignee: Unisia Jecs Corporation
    Inventors: Hideki Sunada, Takayuki Yokota
  • Publication number: 20020022527
    Abstract: A coupling for coupling first and second shafts is described. The coupling comprises an annular unit including a plurality of annular metal plates which are put on one another, a first group of bolt bores formed through the annular unit, a second group of bolt bores formed through the annular unit, a first group of bolts and nuts which are incorporated with the first group of bolt bores to fix the annular metal plates, a second group of bolts and nuts which are incorporated with the second group of bolt bores to fix the annular metal plates, a first yoke which connects the first shaft to the first group of bolts and nuts, and a second yoke which connects the second shaft to the second group of bolts and nuts. A stopper structure is further provided by which every mutually contacting portions of the annular metal plates are suppressed from making a relative displacement therebetween.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 21, 2002
    Inventors: Hideki Sunada, Takayuki Yokota