Patents Assigned to Dantani Co., Ltd.
  • Folding door structure
    Patent number: 5065807
    Abstract: A folding door structure having a folding door, formed by a pair of pivotally coupled door sections, has upper and lower guide rails defining roller support surfaces. An upper guide body supports rollers which are guided along the roller support surfaces of the upper guide rail and a lower guide body has a shaft supporting further rollers which bear against the roller support surfaces of the lower guide rail. The shaft is spring biassed upwardly enabling relative displacement of the rollers and the lower guide body.
    Type: Grant
    Filed: June 6, 1989
    Date of Patent: November 19, 1991
    Assignees: Dantani Co., Ltd., Murakoshi Screw Mfg. Co., Ltd.
    Inventors: Kenji Maeda, Nobuyuki Yamada