Patent for a new and improved coupling for railroad cars. This design consists in "the draw-head having the open space at its front end, the longitudinal groove in its side, extending rearward from said space, and the transverse recess at the rear end of said groove, the coupling bar resting in the groove and having a lug at its rear end" (lines 92-98). Said lug is "pivoted in the recess, and the hook at its front end arranged within the open space, and the spring having its rear end secured to the side of the draw-head in rear of the recess" (lines 1-4).