Patent ID: 7513335

Claim:
In a railroad switch comprising first and second stock rails fixedly mounted on tie plates, a first switch rail pivotably connected at one end to a heel and mounted laterally adjacent to a mating portion of the first stock rail for sliding movement on a plurality of switch plates into and out of closing relation with the first stock rail, a second switch rail pivotably connected at one end to a heel and mounted laterally adjacent to a mating portion of the second stock rail for sliding movement on a plurality of switch plates into and out of closing relation with the second stock rail, at least one switch rod connected to the first and second switch rails, the stock rails and switch rails each having a base and a head with the head defining a top of the rail, the improvement comprising a switch lubricator including a lubricant reservoir, a fluid supply line connected to the lubricant reservoir, a valve in the fluid supply line, a controller for opening and closing the valve to control flow through the fluid supply line, a first main nozzle connected to the fluid supply line and mounted on one of the stock rails, the first main nozzle having an aperture which is sized and aimed to produce a spray pattern of lubricant wherein at least a first portion of the projected lubricant alights on the top of the mating portion of said one stock rail and at least a second portion of the projected lubricant alights on the top of the switch rail most closely adjacent to said one stock rail.