A method of converting rotating movement of cams into horizontal linear movement and vertical linear movement is proposed, and the time sequence are realized using a differential commutator.

• 本文提出了用一根驱动抽来带动两个凸轮实现水平方向和竖直方向的往复直线运动的方法，用差动换向器实现了运动间的时序关系。