US Patent: 42,216
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Improvement in File Cutting Machines
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Patentee:
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William T. Nicholson (exact or similar names) - Providence, RI |
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Patent Dates:
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Granted: |
Apr. 05, 1864 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Russ Allen. "Vintage Machinery" entry for W. T. Nicholson
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Description: |
A pawl and ratchet feeding mechanism with the bands operated by the revolution of the main shaft and a movable carriage. The moveable carriage is improved upon in his Patent No. 42,217. Files produced by this machine are covered later under his Patent Nos. 44,443 and 58,025. |
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