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US Patent: 1,587,352
Wrench
Quick-Acting Wrench
Patentee:
Joseph A. Peterson - College Station, TX

USPTO Classifications:
81/91.1

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Gearench Manufacturing Company - Houston, TX

Witnesses:
none listed

Patent Dates:
Applied: Jun. 09, 1925
Granted: Jun. 01, 1926

Patent Pictures: [ 1 | 2 ]
Joseph A. Peterson patent June 1, 1926
USPTO pdf tiff
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Description:
The linkage between the jaws and handle makes the wrench self-adjusting. The spring in the linkage pulls it closed. The teeth on the jaws lead some to imagine this is a pipe wrench, but the patent drawing shows it gripping nuts by the corners, and some versions have "NUT GEARENCH" forged in the side plates.

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