Patents by Inventor Kenichi Tsuchiura

Kenichi Tsuchiura 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).

  • Method and apparatus for measuring angle of bend, method of bending, and apparatus for controlling angle of bend
    Patent number: 6708541
    Abstract: An angle detecting head provided with an emitter and a pair of receivers is rocked, and a bent surface of a workpiece bent by a punch and a die of a bending machine is irradiated with a measurement light from the emitter, a reflected light is received by the pair of receivers, and a bending angle of the workpiece is obtained from a peak value of the light received by the respective receivers. The angle detecting head is movable parallel to the die, is movable in a direction close to and away from the workpiece, and is movable in a direction in which the die is raised/lowered. The angle detecting head is positioned in an optimum angle measurement position of the workpiece and the bending angle is measured.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: March 23, 2004
    Inventors: Masateru Matsumoto, Kazuyuki Uchida, Kenichi Tsuchiura, Takayuki Aoki