Patents by Inventor Wei C. F. Chiang

Wei C. F. Chiang 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: 5182959
    Abstract: An anti-roll device including a gear fixed on a drive shaft and a gear fixed on a driven shaft, a pinion engaged on a rod, a number of gradually narrowing notches formed in the pinion, a roller and a spring disposed in each of the notches, the rollers being biased to move toward the narrower ends of the notches, the pinion being engaged with either of the gears, the rollers being caused to be wedged between the narrower ends of the notches and the rod when the pinion rotates in one direction, thereby locking the gear and the rod together, rotation of the pinion in an opposite direction is prevented.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: February 2, 1993
    Inventors: Shyh Y. Chern, Wei C. F. Chiang