Merry Christmas, Don!

I do not follow exactly what you are looking for but an Archimedes screw is what I think of.  Google may have something to help. 

http://www.google.com/search?hl=en&q=archimedes+screw&aq=1s&oq=Arcemed

I always thought that an Archimedes screw was a pipe, formed in a spiral as if it followed the outer edge of an auger flighting.  I wanted to build one that was wind driven to pump water from a pond to higher ground - drought "dampened" the idea.