US Patent: 434,847
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Pipe Wrench
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Patentee:
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James L. Taylor (exact or similar names) - Memphis, TN |
USPTO Classifications: |
81/99 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 08, 1889 |
Granted: |
Aug. 19, 1890 |
Patent Pictures:
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James L. Taylor patent August 19, 1890 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
The swinging hook jaw is held in contact with the work piece by a spring. A key point in the patent is the geometry of the contact points between the fixed and movable jaw, which are designed to grip pipe without crushing it. |
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