US Patent: 743,942
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Ratchet Wrench
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Patentee:
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John E. Sinclair (exact or similar names) - Worcester, MA |
USPTO Classifications: |
81/62 |
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Patent Dates:
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Applied: |
May 02, 1903 |
Granted: |
Nov. 10, 1903 |
Patent Pictures:
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John E. Sinclair patent November 10, 1903 |
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Stan Schulz
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Description: |
Reversible ratchet with pawls adjusted by sliding actuator controlled from the end of the handle. This is a modification and improvement on the 1886 patent (no. 349,007).
It was eventually supplanted by further evolution in patent no. 1,177,764. |
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