US Patent: 3,581,553
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| Heat Expansion Determing Means
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Patentee:
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| Lewis A. Dever (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 14, 1968 |
| Granted: |
Jun. 01, 1971 |
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Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.
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Description: |
| Abstract:
Separate means measure the expansions in opposite directions of a spindle and its carrier housing due to heat. Comparison of the outputs of the two measuring means provides a signal indicative of the total amount of movement of the cutting tool on the spindle from a reference position due to heat expansion. |
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