US Patent: 146,254
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Wrenches Railway-Wrench
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Patentee:
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Harrison P. Hood (exact or similar names) - Indianapolis, IN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 18, 1873 |
Granted: |
Jan. 06, 1874 |
Patent Pictures:
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Harrison P. Hood Pat. Jan. 6, 1874 |
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Stan Schulz
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Description: |
This mechanically complex wrench has a rolling carriage and clamp to hold on to a railroad rail, and a complex gearing system connecting the ratchet mechanism to the socket. This wrench is for railroad fish-plate bolts. |
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