Patents by Inventor Yanqiang QU

Yanqiang QU 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).

  • Disposable woodworking tool
    Patent number: 10500755
    Abstract: A disposable woodworking tool includes a cutter bar and a locking piece, the front end of the cutter bar installed with a cutting head, while the tail end of the cutter bar is installed with a connecting long sleeve. The tail end of the cutter bar includes a tail end installation part fixedly connected with the connecting long sleeve via a locking piece in a detachable manner. The cutter bar includes planes along the length direction extending to the position, where the cutting head is installed, on the front end of the cutter bar, and the locking piece utilizes the principle of a spring collet. In use, instant switching of the angle of the cutting head can occur through switching of planes, without a tool. Rapid replacement of the cutter bar can occur.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 10, 2019
    Assignee: Rikon Power Tools, Inc.
    Inventors: Lihe Yu, Jiquan Jiang, Junchao Xu, Yanqiang Qu
  • DISPOSABLE WOODWORKING TOOL
    Publication number: 20180178404
    Abstract: A disposable woodworking tool includes a cutter bar and a locking piece, the front end of the cutter bar installed with a cutting head, while the tail end of the cutter bar is installed with a connecting long sleeve. The tail end of the cutter bar includes a tail end installation part fixedly connected with the connecting long sleeve via a locking piece in a detachable manner. The cutter bar includes planes along the length direction extending to the position, where the cutting head is installed, on the front end of the cutter bar, and the locking piece utilizes the principle of a spring collet. In use, instant switching of the angle of the cutting head can occur through switching of planes, without a tool. Rapid replacement of the cutter bar can occur.
    Type: Application
    Filed: November 1, 2017
    Publication date: June 28, 2018
    Inventors: Lihe YU, Jiquan JIANG, Junchao XU, Yanqiang QU