US Patent 8720351 Gauge wheel with improved wear characteristics

A gauge wheel including a center portion extending outwardly from the center of the wheel, and a rim portion positioned at an outer circumference of the wheel and having an inner surface and an outer surface at the outer side of the wheel with the rim portion having an outer circumferential surface extending between the inner surface and the outer surface of the wheel and extending along the outer circumference of the wheel. The wheel including a lip portion for contacting the disk, with the lip portion being on the inner side of the gauge wheel and extending from the inner surface of the rim portion, the lip portion tapering to a thin edge away from the inner surface. A plurality of lugs may be formed on the outer circumferential surface with the lugs being separated by valleys to cause the ground surface to rotate the wheel.