Patents by Inventor Cheng-Wen Hsien

Cheng-Wen Hsien 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).

  • Patent number: 6843442
    Abstract: A simple windlass tool assembly device includes a position limiting plate, two fastening rods and a rope, wherein two through holes of the position limiting plate are disposed on two corresponding positioning portions on a wheel frame of a vehicle; the fastening rod is respectively inserted into the through hole of the position limiting plate with one end locked at the locking end on the positioning portion and the other end limiting the stop end of the position limiting plate; one end of the rope is fastened onto the two fastening rods and the other end is fastened to a proper fixed object in a nearby area. By virtue of this application, the driving rotation of the wheel tires wind the rope on the two fastening rods to enable the wheel tires to fast move away from the hole so as to achieve the objective of trap-escape and self-rescue.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: January 18, 2005
    Inventor: Cheng-Wen Hsien
  • Publication number: 20040016841
    Abstract: A simple windlass tool assembly device includes a position limiting plate, two fastening rods and a rope, wherein two through holes of the position limiting plate are disposed on two corresponding positioning portions on a wheel frame of a vehicle; the fastening rod is respectively inserted into the through hole of the position limiting plate with one end locked at the locking end on the positioning portion and the other end limiting the stop end of the position limiting plate; one end of the rope is fastened onto the two fastening rods and the other end is fastened to a proper fixed object in a nearby area. By virtue of this application, the driving rotation of the wheel tires wind the rope on the two fastening rods to enable the wheel tires to fast move away from the hole so as to achieve the objective of trap-escape and self-rescue.
    Type: Application
    Filed: July 26, 2002
    Publication date: January 29, 2004
    Inventor: Cheng-Wen Hsien