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US Patent: 122,787
Improvement in Wrenches
Improvement in Adjustable Fork-Wrenches
Patentee:
George C. Taft - Worcester, MA

USPTO Classifications:
81/128, 81/165

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : wrench adjustment types : wedge adjust wrenches
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John H. Coes
George C. Taft, Jr.

Patent Dates:
Granted: Jan. 16, 1872

Patent Pictures:
George C. Taft. Pat. Jan. 16, 1872
USPTO pdf tiff
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Description:
A screw-adjusted wedge element positions a sliding jaw on an adjustable open end wrench.

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