US Patent: 619,010
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| Twyer-Iron
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Patentee:
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| Frank S. Blakesley (exact or similar names) - Rockford, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 24, 1898 |
| Granted: |
Feb. 07, 1899 |
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Patent Pictures:
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Joel Havens
Vintage Machinery entry for Weyburn Co.
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Description: |
| Abstract:
The object of this invention is to produce a twyer-iron in which the volume of the air-blast from the bellows or blower to the fire may be varied at pleasure and which when set will not readily be disarranged by jars or blows.
Claim:
In a twyer-iron, in combination, a fire-pot, an air-chamber, an air-blast pipe opening into the air-chamber, a ring adapted to be set into the lower part of the fire-pot which ring has two depending perforated lugs, a rotatable closure for varying the volume of the air-blast to the fire-pot, having facets of different sizes also having a pivotal opening eccentric to its center and a rod extending through such opening and through the perforations of the lugs, for rotating the closure. |
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