Patents by Inventor Cheng-Tsung Cheng

Cheng-Tsung Cheng 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).

  • Publication number: 20030102351
    Abstract: A nail-loading structure of a nail magazine. One end of the nail magazine is formed with an opening. One side of the opening adjacent to the nail-pushing seat is formed with a guiding slope. The row of nails are pushed into the nail magazine along the guiding slope. The guiding slope serves to guide the row of nails to be smoothly pushed and loaded into the nail magazine. The nail-loading structure has simple components and enables a user to easily load the nails.
    Type: Application
    Filed: December 4, 2001
    Publication date: June 5, 2003
    Inventor: Cheng-Tsung Cheng
  • Patent number: 6382493
    Abstract: A nail-pushing structure of nailing gun, including a gun body having a head section. A frame body extends from the head section. A nail magazine loaded with a row of nails is mounted on the frame body. A nail-pushing structure is pivotally mounted in a receptacle of the frame body by a shaft. Flexible members are disposed on a large diameter section of the shaft for outward pushing a nail-pushing plate. Accordingly, the nail-pushing plate can truly push the row of nails in the nail magazine into the head section of the gun body along the nail channel for nailing operation.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: May 7, 2002
    Inventor: Cheng Tsung Cheng
  • Patent number: 6318617
    Abstract: A box nailing machine is disclosed. In the box nailing machine, A seat has an inner space. A base is installed below the seat. A nail stopper is installed above the base in the inner space of the seat and being confined by the inner space to move up and down. A nail receiving space is positioned between the nail stopper and the base in the seat; and an adjustable stud is passed through the seat and nail stopper. Thereby as the adjustable stud is rotated, the nail stopper is driven to be moved up and down for changing a volume of the nail receiving space.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: November 20, 2001
    Inventor: Cheng-Tsung Cheng