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US Patent: 2,599,664
Swivel connection for air--perated chucks
Patentee: Harry E. Sloan (exact or similar names) - Hartford, CT USPTO Classifications: 244/76R, 285/121.6, 285/276, 92/106, 92/110 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Cushman Chuck Co. - Hartford, CT Manufacturer: Cushman Chuck Co. - Hartford, CT Witnesses: Unknown	Patent Dates: Applied: Mar. 01, 1950 Granted: Jun. 10, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cushman Chuck Co.
Description: This patent date was seen in a catalog for Cushman air-operated chuck, and is an improvement to patent 2,568,092.

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