US Patent: 705,860
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Wrench
Pipe and Nut Wrench
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Patentee:
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| Joseph O'Brien (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 05, 1902 |
| Granted: |
Jul. 29, 1902 |
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Stan Schulz
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Description: |
| The adjusting means is a pair of spring loaded toothed cam levers which engage racks on the main bar. The movable jaw has an auxiliary pipe gripping jaw which is raised into operational position by a spring, and can be clamped into positive engagement by a thumb screw. |
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