US Patent: 294,071
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Shifting Eccentric
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Patentees:
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David W. Payne (exact or similar names) - Elmira, Chemung County, NY |
Charles R. Williams (exact or similar names) - Elmira, Chemung County, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 21, 1883 |
Granted: |
Feb. 26, 1884 |
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Joel Havens "Vintage Machinery" entry for B. W. Payne & Sons Co.
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Description: |
Claim:
The object of this invention is to provide means for rendering the counterbalancing effect of the springs uniform throughout the entire movement of the weights, and, if desired, to render the effect of the springs and weights upon the valve more rapid or more sudden, as will hereinafter appear. |
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