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US Patent: 1,764,289
Spindle for chuck devices
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: Sep. 18, 1928
Granted: Jun. 17, 1930

Patent Pictures:
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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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