US Patent: 453,820
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| Wrench
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Patentee:
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| Charles E. Pickens (exact or similar names) - Grand Ledge, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 26, 1891 |
| Granted: |
Jun. 09, 1891 |
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Patent Pictures:
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Charles E. Pickens patent June 9, 1891 |
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Stan Schulz
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Description: |
| The frame consists of parallel rods clamped by tapered threads on the handle. The inner faces of the rods have threads. The adjusting nut in the movable jaw has threads on opposite edges, with the intervening sides cut away, and a short lever handle to swing it in and out of engagement with the threaded rods. The movable jaw has a rocking jaw piece suitable for gripping pipe. |
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