Patents Assigned to Heiwa Tokei Manufacturing Co., Ltd.
  • Mechanism for adjusting tension of an inked ribbon of a printer
    Patent number: 6877918
    Abstract: A ribbon winding side ribbon and a ribbon supply side ribbon holder are provided for supplying an inked ribbon to a thermal printer. A ribbon tension detecting plate is rotatably supported on a frame so as to be rotated in dependency on tension of the inked ribbon. A ribbon tension adjusting means is provided to be responsive to angular position of the ribbon tension detecting plate for applying a load on the ribbon holder so that the tension of the inked ribbon is adjusted.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: April 12, 2005
    Assignee: Heiwa Tokei Manufacturing Co., Ltd.
    Inventors: Akira Takahashi, Yutaka Inokuchi
  • Mechanism for adjusting tension of an inked ribbon of a printer
    Patent number: 6648527
    Abstract: A ribbon winding side ribbon and a ribbon supply side ribbon holder are provided for supplying an inked ribbon to a thermal printer. A ribbon tension detecting plate is rotatably supported on a frame so as to be rotated in dependency on tension of the inked ribbon. A ribbon tension adjusting means is provided to be responsive to angular position of the ribbon tension detecting plate for applying a load on the ribbon holder so that the tension of the inked ribbon is adjusted.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: November 18, 2003
    Assignee: Heiwa Tokei Manufacturing Co., Ltd.
    Inventors: Akira Takahashi, Yutaka Inokuchi
  • Thermal printer
    Patent number: 6501498
    Abstract: A thermal printer is disclosed which includes a housing, a chassis assembly with a printer mechanism securely mounted in the housing and a head frame assembly having a thermal head and rotatably mounted on the chassis assembly by a shaft. The shaft is disposed in a paper feeding direction at a side of the chassis assembly. The thermal printer further includes a paper sensor having a sensor frame rotatably mounted on the chassis assembly by a shaft which also is disposed in the paper feeding direction at the side of the chassis assembly.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: December 31, 2002
    Assignee: Heiwa Tokei Manufacturing Co., Ltd.
    Inventors: Akira Takahashi, Hiroki Shiozawa
  • Thermal printer
    Patent number: 6232996
    Abstract: A thermal printer is disclosed which includes a housing, a chassis assembly with a printer mechanism securely mounted in the housing and a head frame assembly having a thermal head and rotatably mounted on the chassis assembly by a shaft. The shaft is disposed in a paper feeding direction at a side of the chassis assembly. The thermal printer further includes a paper sensor having a sensor frame rotatably mounted on the chassis assembly by a shaft which also is disposed in the paper feeding direction at the side of the chassis assembly.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: May 15, 2001
    Assignee: Heiwa Tokei Manufacturing Co., Ltd.
    Inventors: Akira Takahashi, Hiroki Shiozawa