US Patent: 1,241,659
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Electric portable grinder
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Patentee:
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Emil Ritz, Jr. (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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Applied: |
May 14, 1917 |
Granted: |
Oct. 02, 1917 |
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Jeff Joslin Vintage Machinery entry for Hisey-Wolf Machine Co.
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Description: |
This design allows the shaft to be replaced with a shaft of a different length. "The difficulty in accomplishing this purpose is...in preventing quivering of the grinder shaft when it has any length at all, and hence the chattering of the grinder wheel itself." |
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