Truck-mounted articulated connector for railway cars

Abstract From the Canadian patent

An improved articulated connector or coupler in which the connection between the male connecting member and female connecting member via a king pin is provided with an elastomeric bushing housed in the male connecting member. The bushing has an outer metallic ring and, inner metallic ring, and a middle ring of elastomeric material, by which a coupling free of uncontrolled slack is achieved and by which all normal draft and buffing as, well as train-action and angling, forces are damped and, partially absorbed by the elastomeric ring. For excessive loads, in order lo protect the elastomeric ring over, solid metal-to-metal stops are provided which shunt the force transmittal from the …