I think he is refering to this pictures:
http://www.vexrobotics.com/index.php...le?user_id=234
http://www.chiefdelphi.com/forums/sh...ad.php?t=40388
those are the profile with several pictures of their robot.
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and regarding to your question I hope this link will help you with the way the system works:
http://www.vexlabs.com/conlift.shtml
thats basically how it works with a few expections
cheers
~gdo