Patent ID: 9457852
Filing Date: 2016-10-04
CPC Classification: B62D,Y10T

Claim Text:
1. A cartridge assembly for a track chain, comprising: a pin defining a longitudinal axis and having a lubricant channel, the pin including first and second opposing ends; an inner bushing having first and second ends and a channel extending therethrough for rotatably accommodating a portion of the pin, the inner bushing having a uniform thickness between the first and second ends, the inner bushing being disposed between the first and second opposing ends of the pin; an outer bushing having first and second opposing ends and a channel extending therethrough for accommodating a portion of the inner bushing, the outer bushing being disposed between the first and second opposing ends of the inner bushing; first and second inserts, each having a channel extending therethrough for accommodating portions of the inner bushing that extend beyond the outer bushing, the first insert engaging the first end of the outer bushing, the second insert engaging the second end of the outer bushing; first and second collars, each having a channel extending therethrough for accommodating portions of the pin that extend beyond the inner bushing; and first and second thrust rings, the first thrust ring being disposed adjacent to the pin and between the first collar and the first insert, the second thrust ring being disposed adjacent to the pin and between the second collar and the second insert, wherein an outer diameter of the first thrust ring is greater than an outer diameter of the inner bushing, and wherein an outer diameter of the second thrust ring is greater than the outer diameter of the inner bushing.