US Patent: 2,646,685
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| Shaft vibrator
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Patentee:
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| Henry E. Willitts (exact or similar names) - Smithville, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 14, 1950 |
| Granted: |
Jul. 28, 1953 |
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Jeff Joslin
Vintage Machinery entry for H. B. Smith Machine Co.
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Description: |
| "My improved vibrator is suitable for use wherever it is desired to impart a reciprocatory motion to a rotating shaft, but it is particularly adapted for the reciprocation of the rotating abrasive drums or rollers of sanding machines." |
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