Patent for a new and improved curtain fastener for carriages. This design is "an improvement upon that particular form of curtain-fasteners . . . in which a sleeve or barrel having a rotary and sliding movement on a spring-encircled shank or post is provided with a wing or projection for effecting the connection of said sleeve or barrel with the eyelet or grommet of the curtain . . . which will effectually prevent the accidental disengagement of the curtain" (lines 18-29).