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US Patent: 384,467
Wrench
Improvements in Wheel-Wrenches for Axle-Nuts
Patentee:
William C. Perkins - Sandy Point, ME

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:
Villette Anderson
C. R. Ferguson
L. A. Partridge
L. M. Partridge

Patent Dates:
Applied: Mar. 20, 1888
Granted: Jun. 12, 1888

Patent Pictures:
William C. Perkins patent June 12, 1888
USPTO pdf tiff
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Description:
Tightening the crank nut on the bolt clamps the inner jaws on the axle nut while forcing the pivoted wedges against the inner surface of the wheel hub.

This wrench locks the axle nut to the wheel so the nut and wheel can be removed and replaced on the axle as a unit.

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