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US Patent: 1,040,092
Wrench
Patentee:
William Corydon Adams - Upland, CA

USPTO Classifications:
81/137, 81/141

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

Assignees:
Thomas H. Davis - Upland, CA
Elijah Pierce Fuller - Upland, CA
William Corydon Adams - Upland, CA

Manufacturer:
Unknown

Witnesses:
D. H. Stewart
W. F. Doyle
E. P. Fuller
G. K. Davis

Patent Dates:
Applied: Sep. 09, 1909
Granted: Oct. 01, 1912

Patent Pictures:
W. C. Adams Pat. Oct. 1, 1912
USPTO pdf tiff
Google Patents
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Description:
The sliding jaw has an adjustable toothed element to engage rack teeth on the shank; the overall adjustment is held by a toggle lever on the back side of the sliding jaw.

Known example marked "W.C. Adams Duckbill Pat. Oct. 1, 1912"

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