Bicycle booster

• Main Author: ZHAO WANQIANG
• Format: Patent
• Language: Chinese; English
• Published: 05.12.2017
• Subjects: CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING

The utility model provides a bicycle booster, fixed axle sleeve on the bicycle handlebar, the axle sleeve passes through the flywheel to be connected with the handle, and the cover has the spring on the loose axle in the axle sleeve, and the spring front end is fixed in the loose axle front end, and it is terminal that the spring end pushes up the step that the front portion set up in the axle sleeve, and the loose axle is connected with active partition, has cup jointed big sprocket on the loose axle between active partition and the fixed disk, still be fixed with the gag lever post on the handlebar, its preceding end lap is on active partition, fixed clockwork on the front fork, clockwork embed the clockwork spring, and on the winder was fixed in to clockwork spring the inner, it is epaxial that the round pin is fixed in to the clockwork spring outer end, and little sprocket II and little sprocket I are installed respectively to the winder left and right sides, install the flywheel on the front axle, big sp