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US Patent: 173,255
Axle-Nut Wrench
Patentee:
Allen Bagley - Ypsilanti, MI

USPTO Classifications:
81/76

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:
Chas. J. Hunt
Edward Barthel
John G. Crane
Frederick W. Cleaveland

Patent Dates:
Applied: Jan. 07, 1876
Granted: Feb. 08, 1876

Patent Pictures:
Allen Bagley Pat. February 8, 1876
USPTO pdf tiff
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Description:
The wrench clamps the axle-nut to the inside of the hub. Turning the wheel then removes or re-installs the axle-nut. Four pivoting arms moved in and out by a central thumb screw provide the clamping action, and force the socket against the axle nut.

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