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US Patent: 136,349
Improvement in chucks
Patentee:
John H. Westcott (exact or similar names) - Oneida, Madison County, NY

USPTO Classifications:
279/114

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

Assignees:
None

Manufacturer:
Oneida Steam Engine & Foundry Co. - Oneida, Madison County, NY
Westcott Chuck Co. - Oneida, Madison County, NY

Witnesses:
J. E. Ferry
James A. Bennett

Patent Dates:
Granted: Feb. 25, 1873

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for Westcott Chuck Co.
Description:
Wales, Brown & Allen - patent attorneys

This invention consists in a combination of certain devices whereby a chuck, which is both universal and independent as regards the action of its dogs, is obtained, without displacement or detachment of its parts, for the purpose of admitting of the convenient adjustment of the chuck to concentric or eccentric work

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