Patents Assigned to Shinshu Seiki Kabushiki Kaisha and Kabushiki Kaisha Suwa Seikosha
  • Patent number: 4142463
    Abstract: A print character selection mechanism for use with printers of the type wein print characters are circumferentially disposed about the character ring and are selectively positioned in a print position by deenergizing an electromagnetic coil is provided. Each of the character rings includes a ratchet gear having a plurality of circumferentially disposed teeth, which teeth correspond to print characters circumferentially disposed about the print character ring. The instant invention is particularly characterized by a comb-shaped yoke member having a plurality of selection yokes, associated with each of the character rings, and a common yoke supporting each of the selection yokes. An electromagnetic coil is disposed about each selection yoke and is normally energized to induce a flux field in the selection yoke. A plurality of selection members are normally disposed in a rest position in abutting engagement with a selection yoke when the electromagnetic coil is energized.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: March 6, 1979
    Assignee: Shinshu Seiki Kabushiki Kaisha and Kabushiki Kaisha Suwa Seikosha
    Inventors: Yoshihiro Mitsui, Tadayoshi Shimodaira