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US Patent: 1,214,973
Combined Nut and Pipe Wrench
Patentee:
Wilbur S. Upson - Mansfield, OH

USPTO Classifications:
81/158, 81/178

Tool Categories:
wrenches : pipe and nut combination wrenches
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Shelby Specialty Co. - Shelby, OH

Witnesses:
Samuel J. Matthis

Patent Dates:
Applied: Nov. 13, 1916
Granted: Feb. 06, 1917

Patent Pictures: [ 1 | 2 ]
Wilbur S. Upson Patent February 6, 1917
USPTO pdf tiff
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Description:
The movable jaw has a flat nut-gripping face on on side and a tapered toothed pipe-gripping face on the other. The movable jaw along with the adjusting screw can be slid off the shank. The rod with the adjusting screw can be lifted free, and flipped 180 degrees.

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