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US Patent: 608,628
Wrench
Patentee:
Ole Wigtil (exact or similar names) - Canby, MN

USPTO Classifications:
81/129.5

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:
E. J. Nottingham
G. F. Downing
H. E. Swersen
John Tergarson

Patent Dates:
Applied: Mar. 28, 1898
Granted: Aug. 09, 1898

Patent Pictures:
Ole Wigtil patent August 9, 1898
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Description:
A screw-adjusted pressure plate in the movable jaw forces teeth inside the movable jaw to engage with rack teeth on the main shank. There are nut and pipe jaws on both the fixed and jaw faces.

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