Patents by Inventor Kuen-Chang LO

Kuen-Chang LO 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).

  • Continuous derailleur of bicycle
    Patent number: 10427754
    Abstract: A continuous derailleur of a bicycle contains: a drive shaft, a rotary shaft, a brake shaft, and a braking device. The rotary shaft is mounted on the drive shaft. The drive shaft includes a bevel gear member having a first bevel gear and a second bevel gear. The drive shaft includes a first pedal shaft, and the brake shaft includes a first interactive bevel gear and includes the braking device. The rotary shaft includes a second interactive bevel gear and a third interactive bevel gear, and the second interactive bevel gear and the third interactive bevel gear mesh with the second bevel gear of the bevel gear member. The continuous derailleur further contains an output bevel gear, and the output bevel gear is rotatably fitted on the drive shaft, hence the second interactive bevel gear and the third interactive bevel gear mesh with the output bevel gear.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: October 1, 2019
    Inventor: Kuen-Chang Lo
  • Continuous derailleur of bicycle
    Publication number: 20180297665
    Abstract: A continuous derailleur of a bicycle contains: a drive shaft, a rotary shaft, a brake shaft, and a braking device. The rotary shaft is mounted on the drive shaft. The drive shaft includes a bevel gear member having a first bevel gear and a second bevel gear. The drive shaft includes a first pedal shaft, and the brake shaft includes a first interactive bevel gear and includes the braking device. The rotary shaft includes a second interactive bevel gear and a third interactive bevel gear, and the second interactive bevel gear and the third interactive bevel gear mesh with the second bevel gear of the bevel gear member. The continuous derailleur further contains an output bevel gear, and the output bevel gear is rotatably fitted on the drive shaft, hence the second interactive bevel gear and the third interactive bevel gear mesh with the output bevel gear.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 18, 2018
    Inventor: Kuen-Chang LO