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US Patent: 2,657,606
Adjusting and Lock Means for Slidable Jaw Wrench
Patentee:
Kenneth F. Finn - Omaha, NE

USPTO Classifications:
81/165

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Finn Tool Company - Springfield, IL

Witnesses:
none listed

Patent Dates:
Applied: Jan. 17, 1952
Granted: Nov. 03, 1953

Reissue Information:
Reissued as RE23,832 (Jun. 01, 1954)

Patent Pictures:
Kenneth F. Finn patent November 3, 1953
USPTO pdf tiff
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Description:
The specifications describe jaw surfaces grooved to grip pipe. The primary feature of interest is the side lever which pulls out to provide extra leverage to the adjustment. A clip on the side of the handle stores the side lever when it is not needed.

Pat. no. 2,750,829 (used by UTICA) and 2,729,999 cite this patent in the references.

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