Belt Drives ?

Belt drives are in the news quite a bit lately with offerings from an increasing number of vendors. The idea is 20+ years in the development, dating back to the mid-1980s and a mechanical engineer from Imperial College, London, England named Mark Saunders. A quick history of his associations with Strida, Ming Cycle, Gates Corporation can [...]

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Source: http://www.recumbentblog.com/2009/08/19/belt-drives/