Patents by Inventor Yoshiaki Hoshika

Yoshiaki Hoshika 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).

  • Supporting device of a head rest for a vehicle seat
    Patent number: 4411470
    Abstract: A supporting device (8) of a vehicle seat head rest (4) includes a retainer (6, 40) provided with a spring (10, 21, 44) which surrounds a supporting rod (5) of the head rest and resiliently engages therewith to support the head rest (4) at a desired height which can be adjusted in a stepless manner. The frictional retaining force of the spring can be released by an operating member (11, 20, 40) when the height of the head rest is to be adjusted. A cylindrical guide member (7, 41) serves to guide the adjusting movement of the supporting rod (5).
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: October 25, 1983
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Shinichi Nishimura, Yoshinori Akiyama, Yoshiaki Hoshika