Lid-Hung Cutter Churn: Every Moving Part Lifts Out With the Lid

Warner found rotary dashers with "a step in the bottom of the churn for the end of the axis" hard to assemble with milk in the churn, easily broken if the axle missed its step, and hard to clean. Chapman Warner of Louisville, Kentucky, received US 6,527, dated 12 June 1849, for a churn whose vertical shaft and rotary dasher are suspended from the movable lid, with no pivot or step at the bottom. A hollow column on the lid carries two bearings; the dasher is a quadrangular frame of wings at the top, thin sharp vertical cutters, and cutting arms at the foot; fixed arms with holes hang from the lid to interrupt the cream's circular motion. This rung works out why the bearings sit far apart, then prints the column, rotor and breaker arms, hangs them from a pot lid, and makes butter.