US Patent: 879,305
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| Wrench or Nut Jack
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Patentee:
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| William H. Oliver (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Sep. 22, 1906 |
| Granted: |
Feb. 18, 1908 |
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Patent Pictures:
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William H. Oliver Patent February 18, 1908 |
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Stan Schulz
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Description: |
| Most of the parts are malleable iron castings. The swinging adjustment lever in the movable jaw structure engages a rack for the adjustment.
The lever in this patent replaces the adjusting wheel in Oliver's Sept. 10, 1907 patent (no. 865,519). |
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