US Patent: 662,900
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| Chuck Operated Device
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Patentees:
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| Augustus F. Kummel (exact or similar names) - Hartford, Hartford County, CT |
| Clarence L. Goodrich (exact or similar names) - Hartford, Hartford County, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 05, 1900 |
| Granted: |
Nov. 27, 1900 |
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Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
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Description: |
| Claim:
This invention relates to improved means for operating the jaws of a rotating work-carrier of the class which in workshop phraseology is commonly termed a "chock" for delivering or feeding thereto the work or the objects to be carried and for gripping and releasing the said work at the desired times, whether the work-carrier is stationary or rotating in either direction. |
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