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US Patent: 173,467
Wrench
Improved Gear-Wrench
Patentee:
Walter Hill - South Easton, MA

USPTO Classifications:
74/414, 81/56, 81/57.3

Tool Categories:
wrenches : tire bolt wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. W. Little
E. A. Stock
J. H. Adams
John O. Dean

Patent Dates:
Applied: Nov. 18, 1875
Granted: Feb. 15, 1876

Patent Pictures:
Walter Hill Pat. February 15, 1876
USPTO pdf tiff
Google Patents
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Description:
The crank and gearing are to provide access to wagon tire-bolt nuts. The wrench has a clamp to hold it on to the tire bolt nut.

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