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US Patent: 216,766
Improvement in lathe-chucks
Patentee: James N. Skinner (exact or similar names) - Windsor Locks, CT USPTO Classifications: 279/113 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: Skinner Chuck Co. - New Britain, CT Witnesses: H. B. Patten Theodore G. Ellis	Patent Dates: Applied: Mar. 20, 1879 Granted: Jun. 24, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Skinner Chuck Co.
Description: This chuck allows the jaws to move either separately or together.

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