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]

See also

References

  1. ↑ "Connecticut's Heritage Gateway". Archived from the original on May 18, 2011. Retrieved March 1, 2011.
  2. ↑ http://pimg-fpiw.uspto.gov/fdd/92/016/000/0.pdf


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