US Patent: 439,351
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| Mechanism for Operating Gates of Turbines
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Patentee:
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| William O. Harris (exact or similar names) - Lawrence, Essex County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 26, 1889 |
| Granted: |
Oct. 28, 1890 |
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Joel Havens
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Description: |
| Claim:
The casing A, provided with the cover T, having therein the chambers B and b b b b, communicating with each other, the covers closing said chambers, as and for the purpose explained, in combination with the gear C, the pinions engaging said gear arranged in said chambers, the screw-shafts H, fixed to said pinions and engaging nets applied to the gate near its periphery, and the hand-wheel f, fixed to one of the shafts. |
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