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Show Cdglngton'a Imeu'lon (XUeoriaEdgingtoii'e eo nt Invci- lo ol an Aulomailc Slop Valre lur lioio roupllnge, the BcIcntlCc Vuitriian ol Helitauiber 17tli eaye i Tbli invention Ie dclgnl lo provide an Improved automatic ilopveliv, ar ranged lo clo.e each ol the coupling member when the tame li uneouplcil, and picvenliduit and other impurltlri Iroui panlng Into llio train pl, Ihiri-by Ihiri-by praventlng ilaiuagu to the air brake inrchanieui. The tnclitlal feature nt the coupling coniliti In providing each member wllh twodlik haln; porfota tionr, one dlik being movnble and tl e oilier ttitlonary. In the act ol coupling, tin movable dlik I located io that ll perlorallom illdeowr thetolld porlione ol the atatlonary dirk and tlureby pie-vent pie-vent the exploiion ol air at tbo time tb coupllrg It parted. When the endi ol the coupllrg are placid together and locked, tb rotation of the motablr dlikt eauaet the asarturei rJ aih to cor rcipond wild tbn aprrturei In th italiontry dliki, and thereby cumpleiee the circuit ol air. The elmpllclty of the inechanltla and theieililnly otltaofxr allon are ery deilrabla fralurre. |