It has supports in the middle, too, so you don't have to worry about a lack of support in the middle of the frame. (businessinsider.com)
The middle of that frame seemed a natural place to mount the screen that would facilitate interacting with the robot, but the team found that the moving arms often blocked the view of the screen. (inc.com)
Push the button in the middle of the frame and then pull the trigger folding the stroller down. (momsstrollerreviews.com)