US Patent: 162,715
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| Valve-Gear for Steam Engines
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Patentee:
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| Joseph W. Thompson (exact or similar names) - Salem, Columbiana County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 20, 1875 |
| Granted: |
Apr. 27, 1875 |
| Reissue Information: |
| Reissued as RE8,433 (Sep. 24, 1878) |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Buckeye Engine Co.
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Description: |
| Abstract:
The invention relates to the construction and arrangement of devices for connecting the main valve and its sliding cutoff valve with the eccentrics from which they derive motion, that of the cutoff valve being adjustable around its center of rotation.
Claim:
The double-armed rockshaft, R, of the cutoff valve, mounted on the rock-arm, S, of the main valve, which is operated by a fixed eccentric, in combination with an eccentric arranged for adjustment around its center of motion, and the rods connecting said parts, whereby the movement of the cutoff is varied. |
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