Patent ID: 6536853
Filing Date: 2003-03-25
Classification: B62D

Abstract:
An arrangement for supporting a track chain having a track link, a first bushing mechanically coupled to said track link, and a second bushing mechanically coupled to said track link, said first bushing has a first center point C1 defined thereon, said second bushing has a second center point C2 defined thereon, and said first center point C1 is spaced apart from said second center point C2 by a distance D1, said arrangement comprising:an idler wheel having a circumferentially extending surface defined thereon, wherein said circumferentially extending surface has a first substantially arcuate notch and a second substantially arcuate notch defined therein, said first notch has a first wall portion, said first wall portion has a first point P1 defined thereon at a first location, said first notch has a first wall portion, said first wall portion has a first point P1 defined thereon at a first location, said second notch has a second wall portion, said second wall portion has a second point P2 defined thereon at a second location which corresponds to said first location, said point P1 is spaced apart from said point P2 by a distance D2 and said distance D1 is greater than said distance D2.