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US Patent: 392,146
Wagon Wrench
Improvements in Wheel-Wrenches
Patentee:
John A. Corey - Rockville, RI

USPTO Classifications:
81/76

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

Assignees:
John A. Corey - Rockville, RI
Charles D. Chase - Shannock, RI

Manufacturer:
Not known to have been produced

Witnesses:
H. B. Perry
John G. Perry
Charles M. Arnold
Howard B. Perry

Patent Dates:
Applied: Feb. 04, 1888
Granted: Oct. 30, 1888

Patent Pictures:
John A. Corey patent October 30, 1888
USPTO pdf tiff
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Description:
The compression spring closes the jaws; the design is intended to wedge into the space between the axle nut and hub interior so that turning the wheel will also turn the axle nut to tighten or loosen it.

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