Patents by Inventor Michinori Murase

Michinori Murase 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).

  • Spring assembly and power transmission device using the same
    Patent number: 5897106
    Abstract: A spring assembly comprising an inner ring spring and an outer ring spring suitable for use in a safety device for an automobile power window is provided. The inner ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other and the outer ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other, the outer ring spring being fitted with the inner ring spring. Stoppers are provided in the vicinity of one ends of the inner and outer ring springs respectively. Each stopper is engaged with the other end of other ring spring, thereby holding one end side of each ring spring in such a condition that one end side of each ring spring is resiliently abutted against one end side of other ring spring.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: April 27, 1999
    Assignees: Togo Seisakusyo Corporation, Aisin Seiki Kabushiki Kaisha
    Inventors: Michinori Murase, Hitoshi Ishikawa, Toshihiko Ishida