Patents by Inventor Sinichi Yamaguchi

Sinichi Yamaguchi 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: 7024901
    Abstract: A high-speed wire spring forming apparatus capable of easily adjusting a coil diameter is provided that includes: a wire feeder having a pair of feeding rollers for feeding a wire to a spring forming stage via a quill serving as a wire guide; a revolving mechanism for revolving the feeding rollers about the axis of the wire to twist the wire fed out of the leading end of the quill to change the circumferential position, or angular position, of the wire; and a multiplicity of spring forming tools arranged radially on a spring forming stage, each of the spring forming tools movable in a direction substantially perpendicular to the axis of the wire.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: April 11, 2006
    Assignee: Orii & Mec Corporation
    Inventors: Sinichi Yamaguchi, Naoki Haruyama
  • Publication number: 20040211236
    Abstract: A high-speed wire spring forming apparatus capable of easily adjusting a coil diameter is provided that includes: a wire feeder having a pair of feeding rollers (22) for feeding a wire (1) to a spring forming stage (100) via a quill (10) serving as a wire guide; a revolving mechanism (30) for revolving the feeding rollers (22) about the axis (X1) of the wire (1) to twist the wire (1) fed out of the leading end of the quill (10) to change the circumferential position, or angular position, of the wire (1); and a multiplicity of spring forming tools (120) arranged radially on a spring forming stage (100), each of the spring forming tools (100) movable in a direction substantially perpendicular to the axis (X1) of the wire (1).
    Type: Application
    Filed: October 7, 2003
    Publication date: October 28, 2004
    Applicant: ORII & MEC CORPORATION
    Inventors: Sinichi Yamaguchi, Naoki Haruyama