US Patent: 1,815,980
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| Valve Spring Lifter
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Patentees:
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| Harry W. Kulp (exact or similar names) - Lancaster, PA |
| Martin C. Dellinger (exact or similar names) - Lancaster, PA |
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Patent Dates:
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| Applied: |
Dec. 12, 1928 |
| Granted: |
Jul. 28, 1931 |
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Patent Pictures:
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Harry W. Kulp and Martin C. Dellinger patent July 28, 1931 |
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Stan Schulz
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Description: |
| Improvement to engine valve lifters of the type based on patent no. 1,359,814 to fit the design of Model A Ford engines. The design kept the jaws parallel through their range of motion. Early ads for the tool note "Pat. 11.23'20 Patents Pending."
Produced as the K-D No. 307 valve spring compressor; the number also appears on a lifter which also is marked with patent no. 1,924,246. |
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