US Patent: 17,618
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Method of Holding and Adjusting Plane-Irons in Their Stocks
Cutter Adjustment with a Frog for Wooden Planes
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Patentee:
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| Willard W. Chipman (exact or similar names) - Lowell, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 23, 1857 |
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Patent Pictures:
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Steve Reynolds
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Description: |
| A cutter adjustment mechanism for wooden planes. It is let into the stock and has two thumbscrews which project from the sides of the plane. The thumbscrews adjust a cutter holding means that the inventor calls "frogs". |
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