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US Patent: 2,667,820
Power tool lock
Patentee: Charles B. De Vlieg (exact or similar names) - Farmington, MI USPTO Classifications: 409/233 Tool Categories: metalworking machines : metalworking machine mechanisms Assignees: None Manufacturer: DeVlieg Machine Co. - Royal Oak, MI Witnesses: Unknown	Patent Dates: Applied: Dec. 26, 1951 Granted: Feb. 02, 1954 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for DeVlieg Machine Co.
Description: Method of affixing and releasing to a spindle a tool element such as an arbor, chuck, or boring bar.

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