US Patent: 2,277,432
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| Speed changing mechanism
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Patentee:
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| Willard L. Groene (exact or similar names) - Cincinnati, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 24, 1942 |
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Jeff Joslin
Vintage Machinery entry for Cincinnati Electrical Tool Co.
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Description: |
| The machine featured in the patent drawings is a "pedestal type snagging grinding machine". "Snagging" refers to rough grinding without any concern for surface finish, such as in removing flashing from a casting that will be subjected to further machining operations. |
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