US Patent: 451,867
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Auger-Handle
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USPTO Classifications: |
81/28 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 15, 1890 |
Granted: |
May 05, 1891 |
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Jeff Joslin (dm)
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Description: |
A sliding block, with a V-shaped notch in one end, is pressed against the bit-shank by means of a headed rod propelled by turning one of the handles. |
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