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US Patent: 875,022
Chuck
Patentee:
James H. Westcott (exact or similar names) - Oneida, Madison County, NY

USPTO Classifications:
279/114

Tool Categories:
metalworking machines : metal lathes : metal lathe chucks

Assignees:
James H. Westcott - Oneida, Madison County, NY
Westcott Chuck Co. - Oneida, Madison County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Theodore F. Hand, Jr.
Raymond J. Brewer
Rich A. George
E. T. Giorgi

Patent Dates:
Applied: Jan. 08, 1906
Granted: Dec. 31, 1907

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Westcott Chuck Co.
Description:
Risley & Love - patent attorneys

Absract

My invention covers an improved jaw and cradle and is shown in a familiar form of lathe or drill chuck. Its purpose is to facilitate the operation of such chuck by providing a means for positioning the several dogs on their mounts at an exactly equal distance from the center of the chuck so that by the use of the scroll ring they may be simultaneously moved toward or from the center, always being maintained severally at an equal distance from the center.

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