Patents by Inventor Kazuhiko Shishido

Kazuhiko Shishido 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: 4837645
    Abstract: A guide drum has recording or reproducing heads and a loading device has vertical poles and inclined poles for pulling out a tape from a tape cassette mounted on the recording/reproducing apparatus and for wrapping the tape around the guide drum. The loading device includes a pole driving mechanism for driving the poles and a toggle mechanism for causing a pinch roller to come into contact with a capstan so that the tape is interposed therebetween after the tape is wrapped around the guide drum. The toggle mechanism comprises a pinch roller cam driven in accordance with the movement of the pole driving mechanism, a pinch roller arm having the pinch roller and rotatably supported at one end portion and a link member coupled between the pinch roller cam and the pinch roller arm. With this arrangement, the pinch roller is directed to the capstan in response to the movement of the link member due to the movement of the pole driving mechanism.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: June 6, 1989
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Ritsu Miyamoto, Eiichi Tsuchiya, Kazuhiko Shishido, Toshiaki Shimizu, Atsushi Hosoya
  • Patent number: 4807064
    Abstract: Disclosed is a magnetic recording/reproducing apparatus including a guide drum having at least one recording/reproducing head and a loading mechanism for pulling out a tape from a tape cassette mounted on the recording/reproducing apparatus and for wrapping the tape around the guide drum. The loading mechanism includes first and second loading devices each having a vertical rotatable pole and an inclined pole and the first and second loading devices are engaged with first and second guide grooves and are moved along the first and second guide grooves.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: February 21, 1989
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Ritsu Miyamoto, Eiichi Tsuchiya, Kazuhiko Shishido, Toshiaki Shimizu, Atsushi Hosoya