US Patent: 471,765
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Ratchet Railroad Track Wrench
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 06, 1892 |
Granted: |
Mar. 29, 1892 |
Patent Pictures:
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Newton M. Wever and Daniel D. Blount patent March 29, 1892 |
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Stan Schulz
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Description: |
The sockets fit into an end cog-wheel with a circular bore and key-way. The shank portion of the socket has a key. The sockets are held in the head by a set screw. The end cog wheel engages a second internal cog wheel. The ratchet pawls bear on this second cog wheel. There is a shifting lever to disengage one or the other of the ratchet pawls. |
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