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US Patent: 52,065
Wrench
Patentee:
Joel Moulton - Boston, MA

USPTO Classifications:
81/356, 81/360, 81/413

Tool Categories:
wrenches : pipe and nut combination wrenches
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. B. Kidder
F. Gould

Patent Dates:
Applied: Nov. 21, 1865
Granted: Jan. 16, 1866

Patent Pictures:
Joel Moulton Pat. Jan 16, 1866
USPTO pdf tiff
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Description:
The sliding jaw is held in place against rack teeth on the main shank by the cam action of the second handle.

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