Patents by Inventor Yoshitake Shibata

Yoshitake Shibata 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).

  • Clamp for overhead line having expansion means and cam means
    Patent number: 6096970
    Abstract: A clamp for an overhead line including a clamp body in which a first gripping groove for gripping the overhead line is formed; a clamp cap in which a second gripping groove for gripping the overhead line is formed and which is pivotably attached to the clamp body via a hinge unit; a fastening unit for fastening the clamp body and clamp cap in a manner enabling free opening and closing so that the overhead line is affixed between the first and second gripping grooves so as to be unable to move in an axial direction at the pivot position of the final fastening state; and an expansion unit for causing the clamp cap to stop at a position where it is forcibly kept open by a predetermined clearance from the clamp body against a fastening force given by the fastening unit so that the clamp body and the clamp cap are not located at the pivot position of the final fastening state and in addition so that a clearance is formed between the first and second gripping grooves and the overhead line and a method for attachmen
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: August 1, 2000
    Assignees: The Furukawa Electric Co., Ltd., Chubu Electric Power Company, Inc.
    Inventors: Jun Katoh, Naoshi Kikuchi, Tomoyuki Watanabe, Takaharu Mitsuhashi, Yoshitake Shibata, Kazuhiro Nakamura
  • Clamp for overhead line and method of attachment thereof
    Patent number: 5936197
    Abstract: A clamp for an overhead line including a clamp body in which a first gripping groove for gripping the overhead line is formed; a clamp cap in which a second gripping groove for gripping the overhead line is formed and which is pivotably attached to the clamp body via a hinge unit; a fastening unit for fastening the clamp body and clamp cap in a manner enabling free opening and closing so that the overhead line is affixed between the first and second gripping grooves so as to be unable to move in an axial direction at the pivot position of the final fastening state; and an expansion unit for causing the clamp cap to stop at a position where it is forcibly kept open by a predetermined clearance from the clamp body against a fastening force given by the fastening unit so that the clamp body and the clamp cap are not located at the pivot position of the final fastening state and in addition so that a clearance is formed between the first and second gripping grooves and the overhead line and a method for attachmen
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: August 10, 1999
    Assignees: The Furukawa Electric Co., Ltd., Chubu Electric Power Company, Inc.
    Inventors: Jun Katoh, Naoshi Kikuchi, Tomoyuki Watanabe, Takaharu Mitsuhashi, Yoshitake Shibata, Kazuhiro Nakamura