US Patent: 403,988
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| Automatic Grain Scales
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Patentee:
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| Charles H. Cooley (exact or similar names) - Hartford, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 03, 1888 |
| Granted: |
May 28, 1889 |
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Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
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Description: |
| F. H. Richards - patent attorney
My improved, machine comprises as principal elements thereof a scale-beam, a double chambered oscillating bucket suspended from one end of said beam, a counterpoise or weight supported from or on the opposite end of said beam, a supplemental weight, a discharging hopper above said bucket, a movable receiving-hopper below said bucket, a pair of cutoff valves and devices actuating the same from the scale-beam, and a regulator-valve operatively connected with the movable receiving-hopper. Not all of these elements, however, are necessarily employed in a single machine.
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