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US Patent: 580,027
Wrench
Patentee:
Ashby P. Wiltse - Smithburg, MS

USPTO Classifications:
81/148

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

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Edwin L. Bradford
K. A. Nau
Robt. Andrews
W. B. Benjamin

Patent Dates:
Applied: Jun. 29, 1896
Granted: Apr. 06, 1897

Patent Pictures: [ 1 | 2 ]
Ashby P. Wiltse patent April 6, 1897
USPTO pdf tiff
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Description:
The sliding jaw's adjustment is held by a wedge. The patent includes a thumb screw to hold the wedge once adjusted. A known example of the wrench does not include the thumb screw.

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