Inventor 2015 ch 3 prob. 2

ok, aside my culture designs. lets get serious on engineering. now, I got my books and begin to design and practice my inventor software to prepare for job qualification. and this is a practice one and I have no clue what this part goes to, but you can give it a shot on any possibility. enjoy. also I include the design on here so you can design it any way you want have fun.