Multifunctional improved type bicycle capable of freeing two hands

• Main Authors: ZHANG JINZHI, SHAN KAIZHENG, ZHANG YUPING, PENG YANG, LUO JIAN, MENG JIE, HU RUI, HOU CHENYAO, LI NING, LYU XIANGGEN
• Format: Patent
• Language: English
• Published: 18.02.2015
• Subjects: BRAKES SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE FRAMES; CYCLE SIDE-CARS, FORECARS, OR THE LIKE; CYCLE STEERING DEVICES; CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING

The invention provides a multifunctional improved type bicycle capable of freeing the two hands. The multifunctional improved type bicycle comprises a bicycle frame, two rear wheels and a bicycle saddle, wherein a middle shaft is rotatably connected to the rear end of the bicycle frame, and a multi-stage flywheel and a rear brake sleeve the middle shaft; a front wheel is connected to the front end of the bicycle frame; the two rear wheels are respectively positioned at the two sides of the middle shaft and are rotatably connected with the bicycle frame by rotating shafts; each rotating shaft and the middle shaft are rotatably connected by a universal coupling; the bicycle seat is in swinging connection with the bicycle frame and can swing towards the left side and the right side of the bicycle frame; the bicycle saddle is rotatably connected with a backrest; the bicycle saddle controls the steering of the front wheel by two brake lines, and the backrest is connected with the rear brake. The multifunctional improved type bicycle provided by the invention has the beneficial effects that the balance of the bicycle can be maintained by utilizing the body and the two feet, multiple functions such as left-right steering, backrest braking, clutch shifting for reverse, multi-stage speed change by pedaling, ringing a handlebar bell by pedaling and upslope protection can be realized, the effect of comfortable riding can be achieved without using the arms, and finally, the convenience and the freedom for riding of a user are realized.