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US Patent: 1,764,290
Chuck device
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 279/60 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks woodworking machines : wood drilling and boring : drill presses : drill press chucks Assignees: ETTCO Tool Co., Inc. - Brooklyn, NY Manufacturer: ETTCO Tool Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Oct. 12, 1928 Granted: Jun. 17, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for ETTCO Tool Co., Inc.
Description: This chuck spindle has an integrated clutch.

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