Patents Assigned to Murao Co., Ltd.
  • Publication number: 20090013721
    Abstract: The invention relates to a lever structure of clasps such as spring ring clasps or lobster claw clasps. The clasp includes a substantially annular clasp body cut at one end to have a cut-away portion, an open/close member inserted inside the clasp body such as to slide in directions to open and close the cut-away portion, and a lever integrally formed with the open/close member such as to protrude outwards from the clasp body. The lever includes a neck portion that passes through a slit of the clasp body, and a lever body with a grip surface provided to a distal end of the neck portion such as to extend in a direction orthogonal to open/close sliding directions of the open/close member. The grip surface has a width that is set longer than a cross-section diameter of the clasp body.
    Type: Application
    Filed: August 27, 2008
    Publication date: January 15, 2009
    Applicant: MURAO CO., LTD.
    Inventor: Yoshiaki MURAO
  • Patent number: 5588190
    Abstract: This invention provides an accessories which can be fixed by merely inserting a fixing pin into a wire string fastener. According to this invention, a series of decorative bodies are coupled one after another by means of a wire string, each end of the wire string is passed through a through-passage formed in a wire string fastener and through a turn-back portion of clasp, the end of the wire string thus passed through is then turned back to be again passed through the through-passage where the each end of the wire string is fixed by means of a fixing means. The wire string fastener is provided with a fastening hole and a depression. A fixing pin is fittingly inserted into the fastening hole, and provided with a projected portion extending slightly larger than the inner diameter of the fastening hole to contact with the vicinity of the opening of the fastening hole. The wire string is fixed in a bent manner along the depression by the pressing portion of the fixing pin.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: December 31, 1996
    Assignee: Murao Co., Ltd.
    Inventor: Takashi Sato