Simon Fairman

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Simon Fairman (1792–1857) of West Stafford, Connecticut, is credited as having invented the scroll-type lathe chuck in 1830; his son-in-law, Austin F. Cushman invented the self-centering Cushman Universal Chuck.[1] He was issued a patent for his design by the US Patent Office on July 18, 1840.[2]

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  1. ^ "Archived copy". Archived from the original on May 18, 2011. Retrieved March 1, 2011.CS1 maint: archived copy as title (link)
  2. ^ http://pimg-fpiw.uspto.gov/fdd/92/016/000/0.pdf