UNIT FOR CONNECTING AUTOMATIC COUPLER WITH PULL CLAMP OF DRAFT GEAR Russian patent published in 2002 - IPC

FIELD: railway transport; automatic couplers. SUBSTANCE: proposed unit for connecting automatic coupler with draft gear clamp consists of bridge between automatic coupler tail piece housing with hole and wedge of pull clamp with mating contact surfaces. Contact surfaces of automatic coupler tail piece and pull clamp wedge are made in form of vertical plane covering 2/3 rds of their width with transfer zones to side surface over radius. EFFECT: reduced contact pressure between bridge and wedge, reduced stresses in tail piece bridge with resulting increased service life of structure. 2 dwg