An oval crankset bicycle capable of saving labor and being comfortable in riding comprises a bicycle frame and a driving device. The driving device is mounted on the frame; the driving device comprises a left pedal plate, a left crank, an elliptical crankset, a right crank, a right pedal plate, a middle shaft, a chain, a chain wheel and a flywheel; compared with a common bicycle, the bicycle saves labor during riding, is easy to tread, can quickly pass through a difficult-to-tread area after being easily treaded in a highest point or lowest point interval where force is difficult to apply, further improves the treading frequency, further improves the bicycle speed, and is convenient to use. And the defects that a common elliptical crankset bicycle is treaded easily and heavily, and the chain shakes and is easy to fall off are further overcome.
一种骑行省力舒适的椭圆形牙盘自行车,包括车架和驱动装置;所述驱动装置安装在车架上;所述驱动装置包括左脚踏板、左曲柄、椭圆牙盘、右曲柄、右脚踏板、中轴、链条、链轮、飞轮;本发明相比普通自行车,骑行时省力,踩踏轻松,并且在最高点或最低点难发力的区间踩踏变得轻松后,可快速通过难踩踏区域,进而提高踏频,车速进一步提升,并进一步解决了一般椭圆牙盘自行车存在的踩踏时忽轻忽重、链条抖动、易掉链条的缺点。
Elliptical crankset bicycle labor-saving and comfortable to ride
一种骑行省力舒适的椭圆形牙盘自行车
2023-03-31
Patent
Elektronische Ressource
Chinesisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
Bicycle with elliptical small crankset driving system
Europäisches Patentamt | 2022
|