US Patent: 120,687
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| Improvement in Wrenches
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Patentee:
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| Alonzo Whitcomb (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Nov. 07, 1871 |
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Patent Pictures:
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Alonzo Whitcomb Pat. Nov. 7, 1871 |
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Stan Schulz
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Description: |
| The groove in the tapered bar is primarily to reduce weight; the studs in the movable jaw are to prevent rattling. The ferule has a tubular extension which carries the strain to the end nut.
Whitcomb and his brother Carter were partners in a company that produced machinists tools including iron planers, and a letter copying press. |
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