Rolamite

mechanical roller-band device that functions as an almost frictionless suspension system for rollers; it consists of a flexible metal band formed in ...
Found on http://www.britannica.com/eb/a-z/r/62

Rolamite

Rolamite is a technology for very low friction bearings developed by Sandia National Laboratories in the 1960s. Invented by Sandia engineer Donald F. Wilkes and patented by him on June 24, 1969 these devices use a stressed metal band and counter rotating rollers within an enclosure to create a linear bearing device that loses very little energy to...
Found on http://en.wikipedia.org/wiki/Rolamite
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