Single ladder of bicycle that can reduce friction

• Main Author: CAO HONGXI
• Format: Patent
• Language: Chinese; English
• Published: 13.10.2017
• Subjects: APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFTOF CYCLES; CYCLE STANDS; DEVICES FOR LEARNING TO RIDE CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LOCKS INTEGRAL WITH CYCLES; PERFORMING OPERATIONS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; TRANSPORTING

The utility model provides a single ladder of bicycle that can reduce friction. It includes fixed plate, landing leg, jam plate, extension spring, wherein the upper portion of fixed plate is fixed and is being lain in the frame between axis and the rear wheel, and the lower part is formed with a round hole, the upper end of landing leg utilizes the articulated shaft that runs through the round hole to articulate the medial surface lower part at the fixed plate, consequently the upper end of jam plate articulates on the outside upper portion of landing leg through the back shaft, can turn right or left, the one end of extension spring is fixed at the lateral surface middle part of fixed plate, and the lateral surface lower part at the jam plate is fixed to the other end. The fixed plate back on the outside outstanding boss that is formed with in edge of round hole. The utility model provides a single ladder of bicycle that can reduce friction utilizes the boss to separate little distance between with fixed pla