US Patent: 5,581
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| Plow-Clevis
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Patentee:
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| Isaac Evans (exact or similar names) - Lebanon, OH |
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Patent Dates:
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| Granted: |
May 16, 1848 |
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Patent Pictures:
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Patent 5,581 - edited drawing |
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Stan Schulz
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Description: |
| The specifications note sizes of the component parts. A vertical screw changes the "depth" setting; a horizontal screw shifts a block with attachment loop, thereby changing the angle of draft.
Items in 1848 and 1849 issues of OHIO CULTIVATOR note limited production of the clevis in an effort to establish a market, and that the rights had been transferred to Joseph Dugdale (Selma, Clark County, OH). |
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