US Patent: 1,035,974
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| Valve Spring Releaser and Retainer
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Patentee:
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| Edwin N. Kraemer (exact or similar names) - Cedarburg, WI |
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Patent Dates:
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| Applied: |
May 24, 1911 |
| Granted: |
Aug. 20, 1912 |
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Patent Pictures:
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Edwin N. Kraemer patent Aug. 20, 1912 |
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Stan Schulz
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Description: |
| The wing nut opens and closes the jaws through the operation of a screw and intermediate links. The device compresses automotive valve springs to enable removal of the "keeper," and holds the spring compressed until it can be reinstalled.
Some contemporary ads show a Chicago distributor; other listings show the Wisconsin manufacturer.
Improved by patent no. 1,147,804 granted July 27, 1915. Referenced in patent no. 1,198,281 granted Sept. 12, 1916. |
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