US Patent: 5,479X
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| Mill for Grinding Grain, &c., by Wind Power
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Patentee:
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| David McColler (exact or similar names) - Hudson, Portage County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 02, 1829 |
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Joel Havens
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.
“A square building is erected, each side of which is formed of folding doors. In the centre of the roof, or upper part of this building, there is a sort of cupola, or hollow cylinder, in which the wind wheel is contained, which operates like a common oblique leaved ventilator, or a smoke jack; its wings, or leaves, being placed at such an angle as shall be operated upon with the greatest power. From the centre of this wind' wheel the shaft descends, which is to give motion to the grinding machinery.
When the mill is to be set in motion, the doors opposite to the quarter from which the wind blows, are to be opened, those to leeward being kept closed by weights and pullies, to give a free passage to the wind when too strong.
The claim is to a windmill so constructed."
Journal of the Franklin Institute Vol. 5, Aug. 1829 pg. 121
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