Patent ID: 8915556

Claim:
A track chain assembly for a crawler type work vehicle, comprising: a plurality of links pivotally connected together at respective link joints, each said link joint connecting a first link and a second link, each link joint including a bushing, a pin, and at least one elastomeric bearing, said pin engaging said second link, each said elastomeric bearing including an inside diameter (ID) engaging said pin and an outside diameter (OD) engaging said first link and radially spaced from said second link, each said elastomeric bearing including a plurality of alternating metal annular layers and elastomer annular layers, each said link joint including said first and said second links at opposite ends of a respective said pin, one of said first and second links is an inner link and the other link is an outer link relative to a longitudinal direction of a corresponding said pin, each said first link and each said second link including a hole which is sized and configured to receive a corresponding said elastomeric bearing therein, each said elastomeric bearing spanning and interconnecting between an adjacent said first link and said second link.