In FIG 1 is shown a wave gear drive comprising an inner gear having {HEAD ~ a given number} of {TAIL ~ external teeth} and an outer gear having a slightly larger number of internal teeth 
of
In FIG 1 is shown a wave gear drive comprising an inner gear having { HEAD ~ a given number } of { TAIL ~ external teeth } and an outer gear having a slightly larger number of internal teeth
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH