US Patent: 147,916
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Improvement in Lifting-Jacks
Combined Wagon-Jack and Wrench
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Patentees:
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| William H. Dungan (exact or similar names) - Indianapolis, IN |
| David H. Horner (exact or similar names) - Indianapolis, IN |
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Patent Dates:
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| Applied: |
Feb. 04, 1874 |
| Granted: |
Feb. 24, 1874 |
| Reissue Information: |
| Reissued as RE6,134 (Nov. 17, 1874) |
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Patent Pictures:
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Dungan and Horner Pat. February 24, 1874 |
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Stan Schulz
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Description: |
| The tool consists of two handles and jaw segments with right-angle notches. The specifications describe modes of assembling them as a jack for carriage axles; the notched jaw segments would also align to form an open-end wrench.
Wrench collector James Moffet has an example.
Compare this one to patent no. 420,400 which looks very similar. |
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