US Patent: 142,163 - Improvement in chucks


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US Patent: 142,163

Improvement in chucks

Patentee:

Eli Horton (exact or similar names) - Windsor Locks, CT

USPTO Classifications:

279/123

Tool Categories:

metalworking machines : metal lathes : metal lathe chucks

Assignees:

None

Manufacturer:

E. Horton & Son - Windsor Locks, CT

Witnesses:

G. A. Steadman

J. L. Chapman

Patent Dates:
Applied:	Jul. 26, 1873
Granted:	Aug. 26, 1873

Patent Pictures:

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Vintage Machinery entry for E. Horton & Son Co.

Description:

The innovation is the use of jaws with a raised seat that is designed to be ground after hardening so as to be more precise.

The manufacturer is listed in the program of the International Exhibition of Vienna, 1873. In the 1876 Centennial Exhibition Horton's display included "lathe and car-wheel chucks".