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US Patent: 2,330,692
Boring tool
Patentee:
Charles B. De Vlieg - Ferndale, MI

USPTO Classifications:
33/628, 408/185, 82/158

Tool Categories:
metalworking machines : drilling and boring : boring bars
metalworking tools : boring bars

Assignees:
DeVlieg Machine Co. - Royal Oak, MI

Manufacturer:
DeVlieg Machine Co. - Royal Oak, MI

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 24, 1942
Granted: Sep. 28, 1943

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for DeVlieg Machine Co.
Description:
This is the famous DeVlieg "Microbore" boring tool, which provides rigidity and eliminates backlash so that it can be adjusted to achieve very accurate results.

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