Add to ORKGPatent for a new and improved churn motor. This design consists in "[t]he combination, with a wheel or disk having a toothed periphery and provided with a broad friction-flange, or a disk at right angles to the former, bearing against its friction-flange, and having studs engaging its teeth . . . [also] [i]n a churn-motor, the combination, with the box or body of the cover, having uprights, [a] shaft having [a] crank, disk having teeth and [a] flange, and the vertical shaft having [a] disk, provided with studs" (lines 67-77)