US Patent: 51,451
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Improvement in Bung-Hole Reamers
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Patentee:
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Lyman Gray (exact or similar names) - Pittsburgh, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Dec. 12, 1865 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Jeff Joslin (dm)
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Description: |
Primary claims have to do with making the body of the auger hollow to collect the chips, the provision of a gaging index, and a spanning handle high enough to allow the chips to escape freely. |
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