US Patent: 1,261,092
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| Wrench
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Patentee:
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| Fred R. Allen (exact or similar names) - Providence, RI |
| USPTO Classifications: |
| 81/60 |
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Patent Dates:
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| Applied: |
Jun. 18, 1914 |
| Granted: |
Apr. 02, 1918 |
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Patent Pictures:
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Fred R. Allen patent April 2, 1918 |
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Stan Schulz
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Description: |
| Ratchet wrench with the ratchet head having a roughly spherical surface with teeth correspondingly cut. This enables the handle to vary the angle in relation to the driven member. The wrench must be flipped over to switch between tightening and loosening.
Produced as the ALLEN UNIVERSAL WRENCH as the driving member for a socket set.
Cited as a reference in patent no. 2,709,386. |
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