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US Patent: 57,547
Nut Wrench
Patentees:
Isaac Morris - Fair Haven, CT
Charles M. Morris - Fair Haven, CT

USPTO Classifications:
81/137

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : nut wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. Fitzgerald
E. W. Baldwin

Patent Dates:
Granted: Aug. 28, 1866

Patent Pictures:
I. & C.M. Morris Pat. Aug. 28, 1866
USPTO pdf tiff
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Description:
The patented features are an enlargement of the shank adjacent to the fixed jaw, and a pivoting toothed member on the movable jaw engaging a rack on the main bar.

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