Patents by Inventor Yuichiro Ueda

Yuichiro Ueda 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).

  • Publication number: 20050193552
    Abstract: An automatic piston inserting equipment comprises a block positioning means for positioning a cylinder block B to a piston inserting position, a piston positioning means for moving and positioning a piston P with a connecting rod R for insertion thereof into a cylinder bore formed in the cylinder block B vertically from above, a cap positioning means for moving and positioning a connecting rod cap C to clamp it vertically from below to the connecting rod R inserted into the cylinder bore, a clamp means for clamping the connecting rod cap C to the connecting rod R, and a vision system. The vision system detects central position coordinates of the cylinder bore lying at the piston inserting position and central position coordinates of the piston P lying at a start-point chuck position, and on the basis of both such central position coordinates calculates a movement quantity for insertion of the piston P into the cylinder bore.
    Type: Application
    Filed: April 3, 2003
    Publication date: September 8, 2005
    Inventors: Kazuhiro Kosuge, Katsuyoshi Tachibana, Yuichiro Ueda, Takenori Hirakawa
  • Patent number: 6886241
    Abstract: An automatic piston installation apparatus according to the present invention includes a block positioning mechanism for positioning a cylinder block in a working area separated from a conveying line by moving the cylinder block in vertical and horizontal directions and by rotating the cylinder block around the crankshaft, a piston positioning mechanism for positioning the piston at an insertion position by moving the piston to the working area, a piston inserting mechanism for inserting the piston into a cylinder bore from above in the vertical direction, a cap positioning mechanism for positioning the connecting-rod cap by moving the connecting-rod cap to a fastened position in the working area, and a fastening mechanism for fastening the connecting-rod cap from below in the vertical direction. Thereby, the piston can be installed in various engines, such as inline-type and V-type engines, automatically, with a high degree of accuracy, and reliably, and productivity can also be improved.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: May 3, 2005
    Assignee: Hirata Corporation
    Inventors: Katsuyoshi Tachibana, Toshimitsu Kimura, Hitoshi Moritani, Yuichiro Ueda
  • Publication number: 20040194296
    Abstract: An automatic piston inserting equipment comprises a block positioning means for positioning a cylinder block B to a piston inserting position, a piston positioning means for moving and positioning a piston P with a connecting rod R for insertion thereof into a cylinder bore formed in the cylinder block B vertically from above, a cap positioning means for moving and positioning a connecting rod cap C to clamp it vertically from below to the connecting rod R inserted into the cylinder bore, a clamp means for clamping the connecting rod cap C to the connecting rod R, and a vision system. The vision system detects central position coordinates of the cylinder bore lying at the piston inserting position and central position coordinates of the piston P lying at a start-point chuck position, and on the basis of both such central position coordinates calculates a movement quantity for insertion of the piston P into the cylinder bore.
    Type: Application
    Filed: April 3, 2003
    Publication date: October 7, 2004
    Applicants: Kazuhiro KOSUGE, HIRATA CORPORATION
    Inventors: Kazuhiro Kosuge, Katsuyoshi Tachibana, Yuichiro Ueda, Takenori Hirakawa
  • Publication number: 20030167628
    Abstract: An automatic piston installation apparatus according to the present invention includes a block positioning mechanism for positioning a cylinder block in a working area separated from a conveying line by moving the cylinder block in vertical and horizontal directions and by rotating the cylinder block around the crankshaft, a piston positioning mechanism for positioning the piston at an insertion position by moving the piston to the working area, a piston inserting mechanism for inserting the piston into a cylinder bore from above in the vertical direction, a cap positioning mechanism for positioning the connecting-rod cap by moving the connecting-rod cap to a fastened position in the working area, and a fastening mechanism for fastening the connecting-rod cap from below in the vertical direction. Thereby, the piston can be installed in various engines, such as inline-type and V-type engines, automatically, with a high degree of accuracy, and reliably, and productivity can also be improved.
    Type: Application
    Filed: January 22, 2003
    Publication date: September 11, 2003
    Applicant: Hirata Corporation
    Inventors: Katsuyoshi Tachibana, Toshimitsu Kimura, Hitoshi Moritani, Yuichiro Ueda