RED arrow --- pivot point.
PINK arrow --- indicates motion as it pivots
ORANGE arrow -- points where the two platforms meet.
GREEN arrow -- showing the speed bump ---intentionally trying to slow the rider so you don't need to brake while on the skinny and go sailing off too fast with the end not pivoting down. *** it's an abrupt pivot.

************ hmmm, thinking I might try installing hydraulics so it doesn't ever slam back down. ---

 Nice hydrolics