Patents by Inventor Yasutomo Tajima

Yasutomo Tajima 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: 4364582
    Abstract: A vehicle body suspension system comprising a piston-cylinder assembly provided between a vehicle wheel and a vehicle body. The piston, which is disposed within the cylinder connected to the wheel, and the piston rod coupled to the piston, are each formed with an oil channel extending axially therethrough. The end of the piston rod which is remote from the piston is connected to the vehicle body by means of an annular elastic member arranged around such end of the piston rod. An oil chamber having a variable volume is provided, and has part of its peripheral wall formed by part of the elastic member. A first damper arrangement is provided between the oil chamber and the oil channel for action during contraction of the system, and a second damper arrangement is provided in the piston for action during elongation of the system. An auxiliary vehicle body suspension spring is provided between the cylinder and the piston rod.
    Type: Grant
    Filed: December 16, 1980
    Date of Patent: December 21, 1982
    Assignee: Honda Giken Kogyo Kabushiki Kaisha & Showa Mfg. Co., Ltd.
    Inventors: Noriyuki Takahashi, Takumi Sakaguchi, Yasutomo Tajima