Patent for a new and improved coupling for railroad cars. This design consists in "[a] car-coupling constructed with a draw-head having a vertically-ranging and inwardly-tapering link-socket and a horizontal hole to receive the coupling pin, in combination with a coupling-link tapering from the middle toward the end . . . [and] . . . crossing the socket, and a coupling-pin adapted to said hole and to the coupling-link, and connected to [two] lever[s] [and a] link . . . and [one of] said lever[s] extending to the side of the car" (lines 39-52).