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US Patent: 754,633
Wrench
Patentees:
Lewis Ash - Hassel, MT
Hiram B. Stewart - Hassel, MT

USPTO Classifications:
81/146

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

Assignees:
None

Manufacturer:
Wright Wrench Co. - Canton, OH
Wright Wrench & Forging Co. - Canton, OH
Ideal Wrench Co. - Tacoma, WA

Witnesses:
Jno. Robb
Thomas Dion
James L. Moore

Patent Dates:
Applied: Apr. 28, 1903
Granted: Mar. 15, 1904

Patent Pictures: [ 1 | 2 | 3 ]
L. Ash and H.B. Stewart Pat. March 15, 1904
USPTO pdf tiff
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Description:
The patent has replaceable rack teeth recessed in the shank, replaceable gripping teeth on the inner face of the moveable jaw, and a spring keeping the gripping teeth engaged. The earliest advertisements for the Wright wrench show a design corresponding to this patent. Wright wrenches are typically found citing this patent and James F. Wright's Jan. 26, 1909 patent (no. 910,890).

The IDEAL WRENCH CO. attribution taken from Ken Cope's "American Wrench Makers 1830-1930."

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