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US Patent: 811,885
Wrench
Patentees:
William Webb - Gloversville, NY
Warnie W. Hildreth - Gloversville, NY

USPTO Classifications:
81/127

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank E. Gould
F. L. Comstock
R. A. Boswell
N. A. Mayhew

Patent Dates:
Applied: Oct. 11, 1905
Granted: Feb. 06, 1906

Patent Pictures:
Webb and Hildreth patent February 6, 1906
USPTO pdf tiff
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Description:
The wrench features a sliding jaw with rack teeth that engage teeth in an arc on the inside of the handle. The specifications mention the jaws with smooth or toothed pipe gripping surfaces. A threaded lever nut on the pivot bolt serves as an adjustment lock. This structure was altered in Webb and Hildreth's Dec. 17, 1907 patent (no. 874,269).

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