US Patent: 494,994
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| Socket Wrench
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Patentee:
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| Henry P. Tryon (exact or similar names) - Sedalia, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 07, 1893 |
| Granted: |
Apr. 04, 1893 |
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Patent Pictures:
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Henry P. Tryon patent April 4, 1893 |
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Stan Schulz
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Description: |
| A side plate in the socket is moved by a screw crank. It clamps the wrench on to an axle nut to remove, hold and replace it during the process of oiling an axle hub. |
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