US Patent: 1,425,684
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| Valve Grinding Tool and the Like
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Patentee:
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| Theodore A. Parmenter (exact or similar names) - Racine, WI |
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Patent Dates:
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| Applied: |
Apr. 08, 1921 |
| Granted: |
Aug. 15, 1922 |
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Patent Pictures:
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Theodore A Parmenter patent Aug. 15, 1922 |
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Stan Schulz
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Description: |
| Lever handle attached to an arc shaped gear which is engaged with a pinion gear on the shaft. Raising and lowering the lever imparts oscillation to the shaft. Many of the parts are stampings.
An unmarked example of this tool appeared in a collection dispersal auction in 2014. |
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