US Patent: 2,206,941
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| Reamer
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Patentee:
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| Stuart A. Cogsdill (exact or similar names) - Detroit, Wayne County, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 28, 1938 |
| Granted: |
Jul. 09, 1940 |
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Joel Havens
"Vintage Machinery" entry for Cogsdill Twist Drill Co.
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Description: |
| Claim:
In a cutting tool, a body having an annular series of resilient longitudinal tongues, blades upon said tongues, a collar having wedge elements adapted to extend between and engage adjacent tongues, and a threaded member engaging said collar and adjustable to adjust said collar axially of said body. |
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