US Patent: 644,332
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| Hub Wrench
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| USPTO Classifications: |
| 81/75 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 27, 1899 |
| Granted: |
Feb. 27, 1900 |
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Patent Pictures:
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Henbry Sauls and George S. Cook patent February 27, 1900 |
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Stan Schulz
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Description: |
| A spiral threaded disk on the exterior moves the clamping jaws against the outside of the hub; the inner jaws adjust to the axle nut with a thumb screw.
The inner portion is similar to Sauls and Cook's Nov. 7, 1899 patent no. 636,456. |
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