Patents by Inventor Kun-tsai Chen

Kun-tsai Chen 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).

  • Racing handlebar structure suitable for rotation shifters disposed thereto
    Patent number: 5598744
    Abstract: A racing handlebar structure suitable for shifters to be disposed thereto, the handlebar including two symmetrical parts each having a dropped handle portion and a horizontal portion which has a neck portion with a smaller diameter, each neck portion having a first hole defined therein and a shifter mounted to the corresponding neck portion, a sleeve having two second holes defined therein and received in a handlebar stem, each neck portion inserted into a corresponding end of the sleeve and the first holes and the second holes aligned with each other for bolts inserted therethrough, a fastener securely disposed the sleeve to the neck portion such that the shifter is rotatably disposed to the corresponding neck portion.
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: February 4, 1997
    Inventor: Kun-tsai Chen