Patents by Inventor Il Joon Kwon

Il Joon Kwon 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: 20030136752
    Abstract: The present invention relates to a mechanical anti-snag device for a container crane, which comprises a main driving unit 100 for driving the starting terminals of ropes 104; auxiliary drums 202 respectively for winding the end terminals of said respective ropes 104; torque limiters 203, one end of which is installed respectively along the rotational shaft of said auxiliary drum 202; and auxiliary motors 301, each of which is connected to the rotational shaft of the other end of said torque limiter 203 respectively, wherein said ropes 104, between said main driving unit 100 and the auxiliary drums 20, are made to pass there through while holding up the corners of the head block 107 of the container crane. During the normal transportation of containers, the shaft of said auxiliary motor respectively is firmly fixed in place, and only when there is a need for controlling the trim, list and skew of the head block 107, the fixation as such is released.
    Type: Application
    Filed: December 5, 2002
    Publication date: July 24, 2003
    Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.
    Inventors: Hoo Gwang Lee, Jae Seung Choi, Suk Hwan Hwang, Il Joon Kwon