Patent ID: 9708019
Date: 2017-07-18
CPC Classifications: B62D,E01C

Claim:
1. A track-supporting roller assembly for supporting a crawler track of a crawler chassis, the track-supporting roller assembly comprising: a bearing unit including at least one bearing body; and a track-supporting roller rotatably coupled to the bearing unit, wherein the track-supporting roller comprises a shaft having one end rotatably supported by the at least one bearing body, first and second supporting bodies fixed on the shaft in a rotationally-fixed manner and arranged coaxially side by side for contacting and carrying the crawler track, and a stop that spaces the supporting bodies apart, wherein each supporting body has an outer diameter that is greater than an outer diameter of the stop, and the outer diameters of the supporting bodies are the same, and wherein the supporting bodies are made of plastic to reduce noise and wear associated with the track-supporting roller.