US Patent: 1,455,424
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Bit Clamp
Quick-release chuck.
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Patentee:
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| Commodore P. Brown (exact or similar names) - Ronceverte, WV |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 06, 1922 |
| Granted: |
May 15, 1923 |
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Patent Pictures:
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All the images from the patent are condensed here. |
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George Langford
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Description: |
| The chuck will quickly clamp onto a bit with a simple twist of a cam ring above the chuck and will subsequently release the bit upon turning the cam ring in the opposite sense. |
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