G16
往復齒條
Reciprocating Lever

兩個齒輪其中心都有一個小齒輪,這個小齒輪只有半邊有齒輪。兩個齒輪做相對運動時,小齒輪利用齒輪的部分推動桿子往一邊,另一個小齒輪也利用齒輪的部分推動桿子往反方向。


Both gear centers have pinions with only half tooth. When two gear do relative motion, one drives the link to one direction, the other one drives the link to reversed direction.