US Patent: 1,170,830
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| Variable-speed mechanism
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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: |
Apr. 12, 1913 |
| Granted: |
Feb. 08, 1916 |
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Jeff Joslin
Vintage Machinery entry for R. K. LeBlond Machine Tool Co.
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Description: |
| Simplified construction of the mechanism for changing from open to back-gear drives and improved positioning of back gears to reduced casing size. |
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