Patent for a new and improved coupling for railroad cars. This design consists in "the link having a hooked front end, the lever, spring between the front end of the lever and the link, slide-bar pivoted to the rear end of the lever, the spring-actuated latch on the said bar, having the pin thereon to engage in a socket in the bottom of the car, and the retractile spring at the outer end of the lever" (lines 11-19).