Patents by Inventor Kazumasa TERAMOTO

Kazumasa TERAMOTO 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).

  • Winch for pipelayer and pipelayer equipped with same
    Patent number: 9617126
    Abstract: A restraining roller of a hook winch has a roller middle part and first and second roller end parts. The roller middle part is formed in a columnar shape. Each of the first and second roller end parts is formed in a roughly circular truncated cone shape. The widths of the first and second roller end parts are greater than the diameter of a wire rope. A difference in diameter between an inner end and outer end of each of the first and second roller end parts is less than the diameter of the wire rope. Taper angles of the first and second roller end parts are different from each other.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: April 11, 2017
    Assignee: KOMATSU LTD.
    Inventors: Takuya Uemura, Yasuhiko Takeuchi, Hiroki Yamamoto, Kazumasa Teramoto
  • WINCH FOR PIPELAYER AND PIPELAYER EQUIPPED WITH SAME
    Publication number: 20160207744
    Abstract: A restraining roller (100) of a hook winch (8) has a roller middle part (101), a first roller end part (102) and a second roller end part (103). The roller middle part (101) is formed in a columnar shape, and each of the first roller end part (102) and the second roller end part (103) is formed in a roughly circular truncated cone shape. The widths of the first roller end part (102) and the second roller end part (103) are greater than the diameter of a wire rope (83). A difference in diameter between an inner end and outer end of each of the first and second roller end parts (102) and (103) is less than the diameter of the wire rope (83).
    Type: Application
    Filed: October 31, 2013
    Publication date: July 21, 2016
    Inventors: Takuya UEMURA, Yasuhiko TAKEUCHI, Hiroki YAMAMOTO, Kazumasa TERAMOTO