Here's the only pic I have at the moment with my attempt at a diagram:
The blue dots are screws that go from the outside of the helmet through to the inside. I will cover the heads of the screws with bondo eventually.
The servo I have covered with a piece of foam just to make it more comfortable for me. I made a small aluminum arm which has a small strip of sintra attached to it. This sintra is screwed into the rangefinder stalk. The sintra also has a weak spring attached to another screw just to give it a little help coming back up (the servo isn't too too strong).
I apologize if not all of this makes too much sense right now, but the helmet is still at my friend's workshop so I will take some more detailed photos soon.
This project was more of a personal job just because I wanted to have a motorized rangefinder, but not have to spend too much on a super small servo so the helmet could still fit my head. This took me a while to do, I had to go through about six other designs before coming up with this one, and even then it took a while to get it working. The angles and positions of all the screws and such are just right so it works. I will try my best to describe this in a simple way.
Thanks again for the compliments!