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US Patent: 25,302
Wrench
Patentee:
Daniel G. Greene - North Bridgewater, MA

USPTO Classifications:
81/140

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

Assignees:
None

Manufacturer:
William Nash - South Weymouth, MA
Daniel G. Greene - North Bridgewater, MA

Witnesses:
George W. Bryant
George H. Greene

Patent Dates:
Granted: Aug. 30, 1859

Patent Pictures:
Daniel G. Greene Pat. Aug. 30, 1859
USPTO pdf tiff
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Description:
The movable jaw slides on the shank. It is held in adjustment by a spring-loaded pawl that engages rack teeth cut on the shank.

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