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US Patent: 117,679
Improvement in Wrenches
Patentee:
George B. Phillips - Cleveland, OH

USPTO Classifications:
81/176, 81/177.1, 81/185.1, 81/DIG.3

Tool Categories:
wrenches

Assignees:
Joshua E. Hall - Cleveland, OH
William Norville - Cleveland, OH
A. Ward Fenton - Cleveland, OH
George J. Levake - Cleveland, OH

Manufacturer:
Walton Wrench Mfg. Co. - Girard, PA

Witnesses:
D. L. Wood
M. Gallagher
W. E. Chaffee

Patent Dates:
Granted: Aug. 01, 1871

Patent Pictures:
G. B. Phillips Pat. Aug. 1, 1871
USPTO pdf tiff
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Description:
The features include interchangeable jaw faces, a screw adjustment with an adjustment-locking cam, and wood side-plates dovetailed into the handle.

The WALTON screw wrench apparently used incidental details of this patent; the shape of the adjusting worm and rack teeth on the shank, along with jaws not perpendicular to the shank appear in the WALTON wrench marked with this patent date.

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