US Patent: 436,647
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Wrench
Improved Ratchet-Hub Wrench
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Patentee:
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| David V. Cash (exact or similar names) - Johnson City, TN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 21, 1890 |
| Granted: |
Sep. 16, 1890 |
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Patent Pictures:
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David V. Cash patent September 16, 1890 |
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Stan Schulz
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Description: |
| This is a large-scale ratchet for bridge and railroad construction work. The ratchet teeth on the socket are in pairs facing both directions. The pawl has teeth facing both directions as well, and is shifted from one side to the other. Springs on either side of the frame can be positioned to hold the pawl in engagement with the ratchet teeth. |
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