As the two cam roller bearing operation of a continuous taper support rib, from the cam and cam rollers arising from the pressure will help advance the good rotation and to avoid the problem of space.

• 由于两个凸轮滚子承载一次连续操作的锥度支撑肋，从凸轮和凸轮滚子中产生的预压力将有助于良好的旋转和避免间隙的问题。