Patents by Inventor Rongjun Tie

Rongjun Tie 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).

  • Constant strain spring compensation device
    Patent number: 8602178
    Abstract: A constant strain spring compensation device, mainly comprising the grooved pulley, compensation cable, left end plate, spindle, oil seal, bearing, right end plate, contact flat spiral spring, housing, fastening angle steel, mounting base, pin, and wire-breaking arresting device. Said grooved pulley is fixed on the spindle, said compensation cable is wound and one of its ends is fixed on the grooved pulley, and the other end is connected to exterior overhead contact lines. Said spindle is supported on left end plate and right end plate by using the oil seal and bearing. Said left end plate, right end plate, housing, fastening angle steel, and mounting base form a closed box base. Said pin is connected to the side of the mounting base remote from said box base. Said contact flat spiral spring is arranged within said box base with the inner end hook being connected to the spindle and the outer end hook being connected to the fastening angle steel of the box base.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: December 10, 2013
    Inventors: Rongjun Tie, Liqun Wu, Rongkang Tie, Guanghong Tie, Chengchen Wu
  • CONSTANT STRAIN SPRING COMPENSATION DEVICE
    Publication number: 20100206678
    Abstract: A constant strain spring compensation device, mainly comprising the grooved pulley, compensation cable, left end plate, spindle, oil seal, bearing, right end plate, contact flat spiral spring, housing, fastening angle steel, mounting base, pin, and wire-breaking arresting device. Said grooved pulley is fixed on the spindle, said compensation cable is wound and one of its ends is fixed on the grooved pulley, and the other end is connected to exterior overhead contact lines. Said spindle is supported on left end plate and right end plate by using the oil seal and bearing. Said left end plate, right end plate, housing, fastening angle steel, and mounting base form a closed box base. Said pin is connected to the side of the mounting base remote from said box base. Said contact flat spiral spring is arranged within said box base with the inner end hook being connected to the spindle and the outer end hook being connected to the fastening angle steel of the box base.
    Type: Application
    Filed: January 23, 2007
    Publication date: August 19, 2010
    Inventors: Rongjun Tie, Liqun Wu, Rongkang Tie