US Patent: 1,243,010
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Valve Spring Lifter
Perfect Handle Valve Lifter
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Patent Dates:
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| Applied: |
Feb. 04, 1915 |
| Granted: |
Oct. 16, 1917 |
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Patent Pictures:
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William S. Thomson patent October 16, 1917, with PERFECT HANDLE valve lifter - photo courtesy Martin J. Donnelly - mjdtools.com |
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Description: |
| A chain and hook type valve spring compressor, with the distinctive "Perfect Handle" styling. The specifications reference Lucius V. Walkley's July 8, 1913 design patent D44,327.
Most often found without the chain and hook as is typical of tools of this type. |
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