[lukevanoort]

Originally Posted by Allison

I do believe the part you are referring to is the Energy Chain by Igus.

I think Allison has it right. What you describe definitely sound's like Igus Energy Chain. Also, like 675, we play it a lot... the lead screw and this little pickeruper pincer thingy we have are the only things that come close in raw amount of wasted time.