US Patent: 437,102


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US Patent: 437,102

Wrench

Patentee:

Charles W. Dixon (exact or similar names) - Bloomfield, IN

USPTO Classifications:

81/356, 81/362, 81/409

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

wrenches : pipe and nut combination wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 24, 1890
Granted:	Sep. 23, 1890

Patent Pictures:

Charles W. Dixon patent September 23, 1890

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Description:

A cam-lever on the base of the frame for the adjustable jaw has a dual function. It clamps the rack teeth in the frame of the movable jaw against the matching rack teeth on the main shank. It also advances the working jaw face of the adjustable jaw structure. The wrench is shown in pipe wrench and combination pipe and nut wrench variations.