US Patent: 141,824 - Improvement of Watchmakers Lathe Chucks


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US Patent: 141,824

Watchmakers Lathe Chucks
Improvement of Watchmakers Lathe Chucks

Patentee:

John Stark (exact or similar names) - Waltham, Middlesex County, MA

USPTO Classifications:

279/16

Tool Categories:

metalworking machines : metal lathes : metal lathe chucks

metalworking machines : metal lathes : watchmakers lathes

trade specific : watchmaker

Assignees:

None

Manufacturer:

Stark Tool Co. - Waltham, MA

Witnesses:

R. H. Eddy

J. R. Snow

Patent Dates:
Applied:	Jun. 25, 1873
Granted:	Aug. 12, 1873

Patent Pictures:

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"Vintage Machinery" entry for Stark Tool Co..

Description:

The Patent is for an adjustable centering chuck for use on watch makers lathes especially on a lathe Patented by George Daniels 21864. Also used on later Stark Tool Co. Lathes.