US Patent: AI170
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| Boring hubs
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Patentee:
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| John Shaerer (exact or similar names) - Reading, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 14, 1857 |
| Reissue Information: |
| Reissue of 16,402 (Jan. 13, 1857) |
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Jeff Joslin
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Description: |
| All but the drawing is missing in the USPTO online database. The July 25, 1857 issue of Scientific American carried this extract: "Hub Borer - John Shaerer, of Redding (sic), Pa. Patented January 13, 1857: I claim in addition to my patent of the 13th day of January, 1857, in combination with the boring shank or shaft, the collar A, with its double flange, O O, one above and the other below the frame, C, the holes, C, and the stop E, the whole being arranged to operate in the manner and for the purpose specified." |
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