Patents Assigned to Zhejiang Topsun Control Co., Ltd.
  • Patent number: 7513452
    Abstract: A come-along for pulling loads includes a rope winding mechanism that enables the rope to be wound and fed out smoothly. The rope winding mechanism includes a positioning hole that reduces the angle between the secured end of the rope and an axial tube about which the rope is wound. The come-along also includes a rope securing mechanism. The secured end of the rope has a seal head that fits through an installation hole and rests against the positioning hole. A helical slot around the axial tube enables the rope to wind evenly.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: April 7, 2009
    Assignee: Zhejiang Topsun Control Co., Ltd.
    Inventor: Bu Qin Ruan