US Patent: 267,166
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| Rapidly-Adjustable Nut for Calipers
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Patentee:
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| Samuel P. Dover (exact or similar names) - Dayton, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 07, 1882 |
| Granted: |
Nov. 07, 1882 |
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Patent Pictures:
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1 | 2
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Ralph Brendler
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Description: |
| This design uses a pair of threaded "wings" as part of the nut, allowingthem to be disengaged easily to allow the screw to slide on the threaded shaft. |
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