Patents Assigned to Murakoshi Screw Mfg. Co. Ltd.
  • 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
  • Patent number: 4729615
    Abstract: A container assembly has two door sections of a folding door which are coupled together by means of hinges provided at upper and lower positions on the rear surfaces of the mutually adjacent inner vertical edge portions of the doors so that the doors can be folded, by pivotal motion, with the thus hinge-coupled inner-edge portions thereof protruding outwardly from the body, thus exposing the front opening of the body. Upper and lower movement enabling means mounted to each door section are movable on upper and lower rails of the body opening closed by the folding door.
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: March 8, 1988
    Assignees: Daiken Trade & Industry Co. Ltd., Murakoshi Screw Mfg. Co. Ltd.
    Inventors: Kenji Ishizawa, Chiyokazu Higashi
  • Patent number: 4726637
    Abstract: A wardrobe or other container has a body and at least one pair of doors arranged to move outwardly away from an access opening to the container. This motion is permitted by mounting means which include support rollers to carry the weight of the doors and guide rollers rotatable about vertical axes and engaged in channels mounted adjacent the upper and lower edges of the container.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: February 23, 1988
    Assignees: Daiken Trade & Industry Co. Ltd., Murakoshi Screw Mfg. Co. Ltd.
    Inventors: Kenji Ishizawa, Chiyokazu Higashi