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US Patent: 24,247
Manufacturing the Heads and Shanks of Screw Wrenches
Patentee:
George C. Taft (exact or similar names) - Worcester, MA

USPTO Classifications:
76/114

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
George C. Taft - Worcester, MA
Daniel A. Hawkins, Jr. - Worcester, MA

Witnesses:
James H. Bancroft
Daniel A. Hawkins, Jr.

Patent Dates:
Granted: May 31, 1859

Patent Pictures:
George C. Taft patent May 31, 1859
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Description:
The manufacturing process described would produce the head and shank of a monkey wrench by welding two pieces of iron together (Figs. 1- 6) rather than forging the head and shank from a single piece (figs. 7 - 9). Part of the specifications cite the cost savings and gains in strength resulting from the improved process.

Wrenches marked with this patent date are part of an evolving design sequence extending over most of the 1850s, and produced by Taft and a sequence of associates at Worcester.

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