Patents by Inventor Tsuneo Shimura

Tsuneo Shimura 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).

  • Disk player having a clamper aligned with a turntable
    Patent number: 4754448
    Abstract: A disk player in which a clamping member clamps a disk against a turntable. The clamping member has two annular bosses and the turntable has one annular boss located between those of the clamping member. A projection of the clamping member has a projection that fits within a slightly larger recess in the turntable. A ball bearing in the projection moves towards the turntable and forces radially outwardly three ball bearings which then contact the side walls of the recess.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: June 28, 1988
    Assignee: Pioneer Electronic Corporation
    Inventors: Yuji Ikedo, Tsutomu Miyakawa, Takahiro Okajima, Tsuneo Shimura