US Patent: 3,348,434 - Boring Bar Assembly for Deep Hole Boring


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US Patent: 3,348,434

Boring Bar Assembly for Deep Hole Boring

Patentee:

Harvey R. Plummer (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:

408/705, 408/83

Tool Categories:

metalworking tools : boring bars

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:	Jun. 29, 1965
Granted:	Oct. 24, 1967

Patent Pictures:

USPTO (New site tip)
Google Patents
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"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.

Description:

Claim:

The present invention relates generally to the machine tool field and, more specifically, to an improved boring bar assembly particularly, but not exclusively, adapted for deep hole boring.