Patents by Inventor Kun-Ten Chen

Kun-Ten 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).

  • Patent number: 5129711
    Abstract: A bicycle free-wheel includes a shaft, and a hub rotatably sleeved around the shaft. A driven member is rotatably sleeved around the shaft and fixed to the hub, and has an even outer face. A driving member is rotatably sleeved around the driven member and has an inner face confronting the outer face. A plurality of longitudinal projections of the inner face and the outer face define a plurality of elongated channels. The distance between the inner and outer faces of the elongated channel is gradually reduced from a wider end to a narrower end. A plurality of elastic rods are respectively received in the wider ends. A plurality of clutch rollers are respectively provided in the elongated channels. The clutch roller wedges into the narrower end allowing the driving member to rotate the driven member when the driving member is rotated in a first direction.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: July 14, 1992
    Inventor: Kun-Ten Chen