Patents Assigned to Todo Kogyo Co., Ltd
  • Power transmission chain and power transmission system including the same chain
    Patent number: 8894524
    Abstract: A power transmission chain includes a plurality of link units which are aligned in a chain advancing direction, and each link unit includes a plurality of link plates which are aligned in a chain width direction W. The plurality of link plates include link plates which are punched out of a material by pressing to first and second specifications. A punching direction of the link plates to the first specification and a punching direction of the link plates to the second specification are made opposite to each other.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 25, 2014
    Assignees: JTEKT Corporation, Todo Kogyo Co., Ltd
    Inventors: Kozue Matsumoto, Seiji Tada, Shigeo Kamamoto, Yasutaka Hojo