US Patent: 6,551,220
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Exercise resistance device with magnets
Bicycle trainer
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Patentee:
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| Duane G. Schroeder (exact or similar names) - New Hope, MN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 14, 1999 |
| Granted: |
Apr. 22, 2003 |
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Jeff Joslin
Vintage Machinery entry for Kurt Mfg. Co.
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Description: |
| The patented device adapts a bicycle for stationary riding. It "includes a rotatable shaft and an impeller rotatable within a fluid filled sealed chamber. A rotating member is joined, for rotation with the sealed shaft. The rotating member is external to the sealed chamber and is magnetically coupled to the impeller. |
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