Pull down shelf 1

Beige base, yellow shelf and two rockers (in blue and green) create a parallelogram mechanism. Pull the green bar to get the shelf down.
Spring cylinders equilibrate the mechanism.
This idea is taken from:
http://www.kesseboehmer.com/fileadmin/downloads/pdf/iMove-EN.pdf
STEP files of this video:
http://www.mediafire.com/file/849fj2033pze6kq/PullDownShelf1STEP.zip
Inventor files:
http://www.mediafire.com/file/vaydwz3twqqz2mg/PullDownShelf1Inv.zip

Видео Pull down shelf 1 канала thang010146