US Patent: 1,258,582
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| Ratchet Wrench
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Patentee:
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| Edward C. McGuffey (exact or similar names) - Hettinger, ND |
| USPTO Classifications: |
| 81/61 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 06, 1917 |
| Granted: |
Mar. 05, 1918 |
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Patent Pictures:
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Edward C. McGuffey patent March 5, 1918 |
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Stan Schulz
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Description: |
| Ratchet with the pawl in the head engaging teeth in the bore. The head has studs to connect sockets on both sides. Sockets would affix to the studs with a thumb screw.
Noted in patent no. 2,191,725 as the basis upon which to design a torque wrench. |
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