Not that exact style but this place has a different version.

https://bergmanmfg.com/hitch-information/

https://www.youtube.com/watch?v=8BQ8hZ7XfFk

Others

http://ergohitch.com/

https://www.attachmatic.com/EN/produits_agricole.php

This looks more similar to what you want.

http://www.walcoequipment.com/product-catalogue/agriculture-lawn-garden/ontario/walco-hitches-automatic-anderson