A coupling with parallel axes

I created this project, as homework at :„Proiectare 3D Parametrică 1”, Masterat IAAC, IMST-UPB, Universitary year 2016-2017. I made this project in INVENTOR 2015. The starting point of this project was: https://www.youtube.com/watch?v=OqpvbqdHgHc&feature=youtu.be You can see the assembling animation here: https://youtu.be/UCFMEgkUB6w