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US Patent: 1,748,672
Chuck in machine tools
Patentee: William F. Groene (exact or similar names) - Cincinnati, OH USPTO Classifications: 451/399, 82/109 Tool Categories: metalworking machines : metal lathes : metal lathe chucks metalworking machines : metal lathes : crankshaft lathes Assignees: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Manufacturer: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Mar. 07, 1928 Granted: Feb. 25, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for R. K. LeBlond Machine Tool Co.
Description: This power chuck is primarily intended for crankshaft lathes.

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