US Patent: 130,488
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Improvement in Reamers
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Patentee:
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Rhodolphus J. Croacher (exact or similar names) - Little Compton, RI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Aug. 13, 1872 |
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Jeff Joslin (dm)
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Description: |
The reamer is made of two half-cones, each having a cutting/reaming edge. Croacher shows two versions - a longer one without an auger tip, the shorter version accommodating one. |
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