Patents Assigned to P&H Co., Ltd
  • Patent number: 8240728
    Abstract: A shackle assembly may be used for delivering a steel structure in a construction field, the shackle assembly including a shackle body, first, second, and third shackle pins, first and second elastic means, a vertical movement mean, and a control means. Thanks to the plurality of shackle pins and the plurality of elastic means, the shackle assembly can reduce its weight and manufacturing cost. Also, in spite of the light weight and the low cost of the shackle assembly, stability and efficiency in its working can be sufficiently secured.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: August 14, 2012
    Assignee: P&H Co., Ltd
    Inventors: In Kyu Hwang, Jong Won Park
  • Publication number: 20110254300
    Abstract: Disclosed is a shackle assembly used for delivering a steel structure in a construction field, the shackle assembly including a shackle body, first, second, and third shackle pins, first and second elastic means, a vertical movement mean, and a control means. Thanks to the plurality of shackle pins and the plurality of elastic means, the shackle assembly can reduce its weight and manufacturing cost. Also, in spite of the light weight and the low cost of the shackle assembly, stability and efficiency in its working can be sufficiently secured.
    Type: Application
    Filed: December 24, 2008
    Publication date: October 20, 2011
    Applicant: P&H CO., LTD
    Inventors: In Kyu Hwang, Jong Won Park