US Patent: 2,822,180 - Power Operated Chuck for Machine Tools


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US Patent: 2,822,180

Power Operated Chuck for Machine Tools

Patentee:

John C. Hollis (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:

279/113

Tool Categories:

metalworking machines : metalworking machine mechanisms

metalworking machines : metal lathes : vertical turret lathes

Assignees:

Giddings & Lewis Machine Tool Co. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 02, 1955
Granted:	Feb. 04, 1958

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.

Description:

Claim:

This invention relates to machine tools and, more particularly, to power operated chucks for clamping and holding workpieces on rotating parts of machine tools.