Patents by Inventor Junzaburo Kawasaki

Junzaburo Kawasaki 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: 6131748
    Abstract: An article display device including an engaging piece (4), an article display bar (6), a supporting bar(7), an urging body (12) and a manipulation bar (17). The engaging piece (4) is configured to be attached to a bar member of an article display rack. An article display bar (6) on which at least one article is supported has a front end and a rear end which is connected to the engaging piece (4). The supporting bar (7) extends along the article display bar and is positioned above the same. The supporting bar (7) is connected to the engaging piece or the rear end of the article display bar. The urging body (12) is slidably supported by the supporting bar. The at least one article is moved along the article display bar toward the front end of the article display bar by the urging body. The manipulation bar (17) has a rear portion attached to the urging body and extends along the supporting bar.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: October 17, 2000
    Assignees: Kawajun Co., Ltd., Junzaburo Kawasaki
    Inventors: Junzaburo Kawasaki, Hideaki Kawamura, Akihiko Endo
  • Patent number: 5125520
    Abstract: A tray rack is constructed with a plurality of tray supports of approximately Z-shaped form adapted for supporting trays, each having four through holes arranged in the corners thereof, four supporting columns extending across the four through holes of their respective tray supports and having castors mounted to the lowermost ends thereof respectively, a plurality of spacer tubes fitted onto the four supporting columns for spacing the tray supports at equal intervals, and four retainer members attached to the uppermost ends of the supporting columns respectively for tightly fastening the tray supports and the spacer tubes mounted alternately. Accordingly, the tray racks can nest in a traverse direction for compact storage.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: June 30, 1992
    Inventor: Junzaburo Kawasaki
  • Patent number: 5077864
    Abstract: A swing door hinge is provided comprising a first hinge member having a projection of approximately rectangular block shape and provided with at least two engaging recesses, the first hinge member being intended to be mounted to either a wall frame or a swing door, and a second hinge member having at least two engaging arms inserted into respective engaging of the first hinge member for pivotal movement and guide openings provided in the engaging arms. The second hinge member, which is also intended to be mounted to the wall frame or the swing door whichever does not carry the first hinge member, has pivot pins mounted in the guide openings and yieldingly urged by respective springs in the inward direction.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: January 7, 1992
    Inventor: Junzaburo Kawasaki