US Patent: 916,344
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Core-Box Plane
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Patentee:
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Clifford E. Martin (exact or similar names) - Greenfield, MA |
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Patent Dates:
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Applied: |
Feb. 09, 1909 |
Granted: |
Mar. 23, 1909 |
Patent Pictures:
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Steve Reynolds
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Description: |
The Stanley #57 corebox plane. The core-box plane is formed from two "wing" sections which meet at a 90 degree angle. The plane can be moved in such a manner that perfect half-sections of circles can be planed out. These circular forms are known as cores in patternmaking. |
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