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US Patent: 83,618
Wrench
Improvement In A Carriage-Wrench
Patentee:
Elias T. Ford - Stillwater, NY

USPTO Classifications:
81/175, 81/74

Tool Categories:
wrenches : axle nut wrenches : axle nut wrenches that lock nut to wheel hub

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. McKenney
William A. McKenney

Patent Dates:
Granted: Nov. 03, 1868

Patent Pictures:
Elias T. Ford Pat. Nov. 3, 1868
USPTO pdf tiff
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Description:
The wrench is in that category which locks the axle nut to the wheel, so the wheel can be used to turn off the axle nut to enable lubricating the axle hub. The wrench has a movable hook which would attach to a wheel spoke. The hook portion connects to the remainder alternately by a set screw or a longer connecting bolt. The portion that clamps to the axle nut is a "fixed" jaw and a moveable jaw connected to the body by screw that rides in a slot. The movable jaw is adjusted by a thumb screw.

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