US Patent: 2,197,893
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| Lathe headstock
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Patentees:
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| Richard Knight Le Blond (exact or similar names) - Cincinnati, OH |
| William F. Groene (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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| Applied: |
Jan. 16, 1939 |
| Granted: |
Apr. 23, 1940 |
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Jeff Joslin Vintage Machinery entry for R. K. LeBlond Machine Tool Co.
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Description: |
| Further improvements to the engine/toolroom lathe of patent 2,161,545 to avoid gear imperfections leading to chatter marks on the workpiece when making fine finishing cuts. This is achieved by using a belt drive for the spindle during high-speed finish passes. |
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