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US Patent: 218,046
Carriage-Wrench
Patentee:
Henry C. Miller - Blue Mound, IL

USPTO Classifications:
81/76

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

Assignees:
Henry C. Miller - Blue Mound, IL
Jasper B. Miller - Blue Mound, IL

Manufacturer:
Not known to have been produced

Witnesses:
Conrad Dechert
F. H. Mosher

Patent Dates:
Applied: Mar. 27, 1879
Granted: Jul. 29, 1879

Patent Pictures:
Henry C. Miller patent July 29, 1879
USPTO pdf tiff
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Description:
Cranking the handle ends together expands the jaw ends outward, to wedge the axle nut to the hub. Then the wheel and axle nut are turned off together. The jaw ends flare out, and have serrated edges for gripping.

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