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US Patent: 641,122
Scythe Wrench
Herman O. Kruschke - Auroraville, WI

USPTO Classifications:
279/24, 279/79

Tool Categories:
wrenches : auxiliary wrenches
agricultural tools : scythes


Not known to have been produced

J. C. Tappan
Janus F. Duhamel
Fred R. Peck
Louis C. Peck

Patent Dates:
Applied: Oct. 02, 1896
Granted: Jan. 09, 1900

Patent Pictures: [ 1 | 2 ]
Herman O. Kruschke patent January 9, 1900
USPTO pdf tiff
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Small wrench to adjust nuts on the snath, with a spring clip holder -- designed to insert in the end of the snath.

Corresponding Canadian patent CA-54,992 was granted Feb. 15, 1897.

Kruschke presented an example of the wrench to the University of Wisconsin Agricultural Experiment Station in the late 1890s. (Mentioned in 14th Annual Report).

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