Driven
Driver
Idler
Reverible gear
.
Reversing gear
2
3
4
5
Pitch/2
Pitch/3
Pitch/4
Pitch/8
One flank is 90 Degree and the other 45 Degree
One flank is 30 Degree and the other 45 Degree
One flank is 60 Degree and the other 45 Degree
Two flanks are at 60 Degree
