As shown in the treatment of direct contact bodies, this requires that the common normal to the surfaces not to pass through the pivotalaxis of either the driver or the follower.
如直接接触物体的治疗表明,这需要共同垂直于表面的不通过任何一方的驱动程序或跟随的关键轴。
2
Said base, said lever and said pressing part can be assembled together actively through springs, so said lever can be assembled on the base rotating around the pivotalaxis supporting said springs.