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US Patent: 424,471
Wagon Wrench
Patentee:
Eldors Eberhardt - Denver, CO

USPTO Classifications:
81/132

Tool Categories:
wrenches : axle nut wrenches : axle nut wrench combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Wm. McConnell
J. B. Willsea
Isham R. Howze
G. J. Rollander

Patent Dates:
Applied: Feb. 27, 1889
Granted: Apr. 01, 1890

Patent Pictures:
Eldors Eberhardt patent April 1, 1890
USPTO pdf tiff
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Description:
The handle is a doubletree pin. The jaw opening is adjustable. Both jaw segments have rack teeth. The adjustment is set by a stud and wing nut that clamp the jaw segments together.

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