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US Patent: 365,729
Pipe Wrench
Charles D. Cheltz - Sheldon, IL

USPTO Classifications:
81/106, 81/141

Tool Categories:
wrenches : pipe wrenches

Charles D. Cheltz - Sheldon, IL
Zorah E. Patrick - Sheldon, IL

Not known to have been produced

E. J. Ralston
Gustav Bohn
C. P. Jacobs

Patent Dates:
Applied: Jan. 22, 1887
Granted: Jun. 28, 1887

Patent Pictures:
Charles D. Cheltz patent June 28, 1887
USPTO pdf tiff
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A cam lever sets the adjustment of the movable frame holding the swinging hook jaw. The base of the frame has teeth that engage rack teeth on the main shank.

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