Driving device of bicycle gearbox

Driving device of bicycle gearbox

  • CN 101,659,312 A
  • Filed: 09/25/2009
  • Published: 03/03/2010
  • Est. Priority Date: 09/25/2009
  • Status: Active Application
First Claim
Patent Images

1. driving device of bicycle gearbox, it is characterized in that, be provided with a gear-box case, front end at gear-box case is equipped with and drive axle bonded assembly front drive gear, be equipped with and rear drive shaft bonded assembly rear drive gear in the rear end of gear-box case, connect by several transmission gears between described front drive gear and the rear drive gear, fixing between the transmission gear through flat axle.

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