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US Patent: 97,849
Wrench
Improvement in Monkey-Wrench
Patentee:
Samuel Zarley - Niantic, IL

USPTO Classifications:
81/150, 81/177.1

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John P. Faris
Thos. A. Pritchett

Patent Dates:
Granted: Dec. 14, 1869

Patent Pictures:
Samuel Zarley Pat. Dec. 14, 1869
USPTO pdf tiff
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Description:
The shank of this nut wrench is offset at the mid-line to provide more bearing surfaces for the adjustable jaw, and the adjustment is held by a set screw.

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