Patents by Inventor Lan Qiang

Lan Qiang 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).

  • Forward eight-bar linkage working device for loading end of a backhoe loader
    Patent number: 9091043
    Abstract: A forward eight-bar linkage working device for the loading end of a backhoe loader comprises a front frame, a movable boom, a rotatable bucket oil cylinder, a movable boom oil cylinder, a rotatable bucket lever, a rotatable bucket pull link, a movable boom pull rod, a movable boom lever and a bucket; and the forward eight-bar linkage mechanism enables a working device of the loading end to achieve a larger breakout force in the case of the same engine power, and makes the axle load distribution ratio of the machine more reasonable, enhancing the operation efficiency and the operation balance.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: July 28, 2015
    Assignee: Jiangsu Liugong Machinery Co. Ltd.
    Inventors: Liu Yin, Shen Shuo, Lan Qiang
  • FORWARD EIGHT-BAR LINKAGE WORKING DEVICE FOR LOADING END OF A BACKHOE LOADER
    Publication number: 20140341689
    Abstract: A forward eight-bar linkage working device for the loading end of a backhoe loader comprises a front frame, a movable boom, a rotatable bucket oil cylinder, a movable boom oil cylinder, a rotatable bucket lever, a rotatable bucket pull link, a movable boom pull rod, a movable boom lever and a bucket; and the forward eight-bar linkage mechanism enables a working device of the loading end to achieve a larger breakout force in the case of the same engine power, and makes the axle load distribution ratio of the machine more reasonable, enhancing the operation efficiency and the operation balance.
    Type: Application
    Filed: July 3, 2012
    Publication date: November 20, 2014
    Applicant: JIANGSU LIUGONG MACHINERY CO. LTD.
    Inventors: Liu Yin, Shen Shuo, Lan Qiang