Patents by Inventor Chiang Tung Shih

Chiang Tung Shih 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: 20110214548
    Abstract: The present invention discloses a board cutting device, which comprises a base frame, a push stem, a blade, a first one-direction driving mechanism, and a second one-direction driving mechanism. One end of the push stem is linked with the base frame, and there is a handle at the other end. The blade is attached on the push stem and is able to simultaneously revolve with the push stem relative to the base frame. The middle portion of the blade is a protruded cutting arc. The first one-direction driving mechanism is utilized to adjust the angle between the push stem and the blade automatically, and the second one-direction driving mechanism can be utilized to control the automatic positioning of the downward cutting blade. Therefore, the blade can avoid arbitrary departing from the prep board and the device is able to achieve the object of better manipulation, less strenuous effort, and more accurate cutting.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 8, 2011
    Inventor: Chiang Tung Shih
  • Publication number: 20110214549
    Abstract: The present invention discloses a board cutting device, which comprises a base frame, a push stem, a blade, a first one-direction driving mechanism, and a second one-direction driving mechanism. One end of the push stem is linked with the base frame, and there is a handle at the other end. The blade is attached on the push stem and is able to simultaneously revolve with the push stem relative to the base frame. The middle portion of the blade is a protruded cutting arc. The first one-direction driving mechanism is utilized to adjust the angle between the push stem and the blade automatically, and the second one-direction driving mechanism can be utilized to control the automatic positioning of the downward cutting blade. Therefore, the blade can avoid arbitrary departing from the prep board and the device is able to achieve the object of better manipulation, less strenuous effort, and more accurate cutting.
    Type: Application
    Filed: June 28, 2010
    Publication date: September 8, 2011
    Inventor: Chiang-Tung Shih