US Patent: 97,830
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Improvement in Auger-Handles
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USPTO Classifications: |
81/28 |
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Patent Dates:
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Granted: |
Dec. 14, 1869 |
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Jeff Joslin (dm)
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Description: |
Claimed improvements involve trapping the square shank of auger bits in the socket by means of a thumb-screw as well as the use of a round tenon on one end of the handle, which allows the metal sleeve to be installed before the bulbous portion of handle is put in place. |
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