US Patent: 2,870,661
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| Knurling Tool
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Patentee:
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| John E. Poorman (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 12, 1956 |
| Granted: |
Jan. 27, 1959 |
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Joel Havens
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Description: |
| Claim:
The primary object of the invention is to provide a knurling tool holder adapted for fitting to the tail stock or turret of a lathe, which holder is provided with a novel knurling tool adjustable mounting means for providing increased rigidity of the knurling tools relative to the workpiece being knurled. |
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