US Patent: 643,140
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| Wrench
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Patentees:
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| John H. King (exact or similar names) - Montpelier, IN |
| Charles C. King (exact or similar names) - Montpelier, IN |
| USPTO Classifications: |
| 81/76 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 08, 1899 |
| Granted: |
Feb. 13, 1900 |
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Patent Pictures:
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John H. and Charles C. King patent February 13, 1900 |
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Stan Schulz
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Description: |
| A cam lever operated set of jaws extend from the socket end of an axle nut wrench to clamp inside the hub. This locks the axle nut to the wheel so the nut and wheel can be removed and replaced during the process of lubricating the axle. |
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