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US Patent: 170,577
Improvement in band sawing-machines
William C. Margedant - Hamilton, OH

USPTO Classifications:
83/573, 83/817, 83/820, 83/824

Tool Categories:
woodworking machines : bandsaws

Bentel, Margedant & Co. - Hamilton, OH

Bentel, Margedant & Co. - Hamilton, OH

Solon C. Kemon
Charles A. Pettit

Patent Dates:
Applied: Nov. 16, 1875
Granted: Nov. 30, 1875

Patent Pictures:
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"Vintage Machinery" entry for Bentel, Margedant & Co.
The primary innovation is a "loose or sliding face, periphery, or rim" for the idler band-wheel. The idea is to reduce the tendency of the idler wheel to act like a flywheel and cause the blade to buckle, as may happen when starting, or when the blade hits a knot. It is also supposed to help prevent tearing or wearing of the leather or rubber tire.

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