Quote:
Originally Posted by keehun
Hm. Wow. I never even imagined a piece of metal like that. Wow.. Sorry but it's one of those "blow your mind away" moments.
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It's called a Maltese cross or Geneva drive
http://en.wikipedia.org/wiki/Geneva_drive
I'm not sure what they are using it for as shown, but I could definitely think think of a use for one with the center crescent shape on the drive removed