Patents by Inventor Hsueh C. Mu

Hsueh C. Mu 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).

  • Multi-step bicycle transmission sprocket assembly
    Patent number: 5569107
    Abstract: A bicycle multi-step transmission sprocket assembly includes a large sprocket gear, an intermediate sprocket gear, and a small sprocket gear. The intermediate sprocket gear is provided in the top surface of a predetermined tooth with a first recess and is further provided with a chain guiding slot located in the back side of a plurality of adjoining teeth along the reverse revolving direction of the predetermined tooth. The large sprocket gear is provided in the top surface of a predetermined number of teeth thereof with a second recess corresponding in location to the chain guiding slot of the intermediate sprocket gear in the reverse revolving direction. The sprocket chain is capable of shifting from the small sprocket gear to the intermediate sprocket gear with speed, thanks to the first recess and the chain guiding slot of the intermediate sprocket gear.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: October 29, 1996
    Assignee: Falcon Industrial Co., Ltd.
    Inventor: Hsueh C. Mu