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US Patent: 368,820
Wooden pulley
Wallace H. Dodge - Mishawaka, IN

USPTO Classifications:
474/194, 474/195, 474/99

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms


Dodge Manufacturing Co. - Mishawaka, IN

J. C. Turner
R. D. O. Smith

Patent Dates:
Applied: Nov. 19, 1886
Granted: Aug. 23, 1887

Patent Pictures:
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"Vintage Machinery" entry for Dodge Manufacturing Co.
Patent 348,269 shows a bandsaw pulley (wheel) with wood rim and metal spokes; patent 351,064 shows a pulley with wood rim and wood spokes. In the latter patent the spokes are dovetailed and glued to the rim, which was found to be deficient because the spoke-ends were loose and allowed some movement that eventually broke the glue joints. This patent improves upon that scheme by filling the space at the end of the spoke-tenon "with some suitable solidifying plastic", an idea taken from the all-metal pulley construction of the first patent. The "plastic material" used was melted sulphur.

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