US Patent: 658,618
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| Wrench
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Patentee:
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| Fred A. Chellis (exact or similar names) - Portland, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 18, 1899 |
| Granted: |
Sep. 25, 1900 |
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Stan Schulz
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Description: |
| The ratchet has a swinging outer end with a spring catch. This is to allow for interchangeable ratchet heads with different size openings. The stop for the ratchet pawl is also the means for rotating it a half turn to reverse the ratchet action. |
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