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US Patent: 909,205
Folding Monkey Wrench
Patentee:
John P. Nikonow (exact or similar names) - Evansville, IN

USPTO Classifications:
81/170, 81/177.6, 81/177.8

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench components : wrench handle components
wrenches : wrench combination tools
wrenches : bicycle or pocket wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. N. Woodson
W. A. Wilson
John Rappler

Patent Dates:
Applied: Oct. 20, 1908
Granted: Jan. 12, 1909

Patent Pictures:
John P. Nikonow patent January 12, 1909
USPTO (New site tip)
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Description:
Screw adjust pocket wrench; several alternate forms are shown in the drawings that include nut jaws and screwdrivers along with an optional double-jaw version having nut and pipe jaws. All include a fold-out handle which is held in place by the adjusting screw for the movable jaw. The nut of that adjusting screw has a notch to allow the handle to swing out.

It appears that if this was tried for real that the leverage of the fold-out handle would either shear a bite out of the adjusting nut or split out the notch in the folding handle.

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