US Patent: 598,319
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| Wrench
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Patent Dates:
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| Applied: |
Jul. 31, 1897 |
| Granted: |
Feb. 01, 1898 |
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Patent Pictures:
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1 | 2
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Adin P. Joy Patent February 1, 1898 |
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Description: |
| The screw-adjust jaw has a cam lever to advance and provide a clamping action. This lever handle and the side handle also provide props to hold the axle nut off the ground while oiling the axle. This axle-nut wrench was marketed through the first quarter of the 20th Century.
The wrench received Canadian patent no. 62,998 on April 27, 1899. |
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