US Patent: 2,801,504 - Abrasive wheel structure


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US Patent: 2,801,504

Abrasive wheel structure

Patentees:

Sam A. Mercurio (exact or similar names) - Chicago, IL

John R. MacIntosh (exact or similar names) - Chicago, IL

USPTO Classifications:

451/506

Tool Categories:

industrial tools : grinding wheels

woodworking machines : sanding machines : belt sanders

metalworking machines : grinders : sharpening machines : grinding wheels

Assignees:

Mermac Products, Inc. - Chicago, IL

Manufacturer:

Mermac Products, Inc. - Chicago, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 24, 1956
Granted:	Aug. 06, 1957

Patent Pictures:

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Description:

This sander/grinder uses a single wheel and a sanding belt that is just slightly greater in diameter than that of the wheel. When the wheel is turning rapidly, it expands in diameter which allows it to firmly grip the belt.