US Patent: 170,768
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| Improvement in Screw Cutting Dies
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Patentee:
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| Virginius J. Reece (exact or similar names) - Greenfield, MA |
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Patent Dates:
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| Applied: |
Nov. 06, 1875 |
| Granted: |
Dec. 07, 1875 |
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Russ Allen.
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Description: |
| Patent is for the use of a set screw acting on the spreading pin on the die to allow different dies to be used by the same die stock. Actual example does not utilize the set screw and instead features a spreading pin and a single holding screw in the die stock.
Known example is marked REECE BROS./GREENFIELD MASS on the die stock handle, and REECE'S IMPROVED SCREW PLATE on the die holder. Individual dies are marked PAT'D, DEC.7.1875 |
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