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Description: Patent for a new and improved churn. This design consists in "the staff-head having the slot . . . and opposite inside grooves, in combination with a dasher-stem head conforming to the recesses in the head and carrying a spring in an upper cavity thereof, a plunger having its toe resting upon said spring, and operative mechanism" (lines 77-83).
Date: June 28, 1887
Creator: Catchings, Thomas Jefferson
Description: Patent for a new and improved churn. This design "provide[s] a cheap, durable, and easily-operated motor for dash-churns, and one the length of stroke of which can be varied to suit the size of the churn and the quality of the cream to be churned. [The] invention consists of a dash-lever, connecting-rod, crank and pulley shaft, and large drive-wheel, the dash-lever being made adjustable as to its length of stroke" (lines 7-15).
Date: March 14, 1882
Creator: Blackstock, John Lafayett
Description: Patent for an improved, strong, durable, and simple churn that produces butter quickly and with much use of power. It has a slide rest with a rotary driving spindle on one end and guide pulleys on the other end, a slide-block that slides on the end of the slide rest, a turn-peg with a ratchet-head on the slide-block, a pawl, and a chord that attaches all these parts.
Date: October 23, 1894
Creator: Roark, Calvin M.
Description: Patent for an improvement in churn by using a combination of a sliding bar, a cord secured to the dasher-shaft, and vertical rods to create a mechanical movement that would wind and unwind the cord in order to operate the churn. Illustration is included.
Date: March 3, 1891
Creator: Crouch, Riley
Description: Patent for an improvement in churn covers "which will embody a closed dead-air space above the body of the churn, a guide-tube for the dasher-rod, and the special construction at the outer edge of the base of the cover by which to provide a channel to fit upon the upper edge of the churn-body" (lines 10-15).
Date: May 27, 1902
Creator: Van Hoozer, Thomas H. B.
Description: Patent for a new and improved churn-cover attachment. This design "consists in a loose supplementary ventilating-lid, designed to be slipped onto or over the staff or handle of the churn above the lid proper" (lines 25-28).
Date: December 16, 1884
Creator: Risien, Edmund Ebenezer