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US Patent: 1,171,320
Pitman-Spreader
Patentee:
Jerry F. Chroninger - Delphos, KS

USPTO Classifications:
269/75, 269/90, 29/239, 29/270

Tool Categories:
wrenches
wrenches : wrench combination tools

Assignees:
None

Manufacturer:
Unknown

Witnesses:
M. A. Jones
G. L. Fuller
G. B. Richards
J. C. Wright

Patent Dates:
Applied: Mar. 05, 1914
Granted: Feb. 08, 1916

Patent Pictures:
Jerry F. Chroninger patent February 8, 1916
USPTO pdf tiff
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Description:
A lug with curved faces at opposite ends is designed to spread spring-tensioned clamp connections on the pitman that drives sickle bars on grass mowers and grain harvesting equipment. The tool includes an open end wrench to tighten a clamping nut, and the lug on the opposite side from the spreader is to assist in pulling the sickle bar.

Some examples have the letters PSW on the side opposite the patent date.

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