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US Patent: 146,254
Wrenches
Railway-Wrench
Patentee:
Harrison P. Hood - Indianapolis, IN

USPTO Classifications:
81/336, 81/57.25

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Ebert
Chas. A. Moffatt

Patent Dates:
Applied: Jun. 18, 1873
Granted: Jan. 06, 1874

Patent Pictures:
Harrison P. Hood Pat. Jan. 6, 1874
USPTO pdf tiff
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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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