Strength Track Bushing

Abstract

An improved strength track bushing (150) is disclosed. The bushing (150) may be used as a bearing around a track pin (144) interconnecting shoes (132) of a track (120) on a track-type tractor (100). The bushing (150) may include a hollow cylindrical wall (163) having an inner diameter (166), an outer diameter (176), and an annular lubrication cavity (164) circumnavigating the inner diameter (166) of the hollow cylindrical wall (163). The bushing (150) includes specific dimensional ratios between the width (174) of the cylindrical wall (163), the size of the inner diameter (166), the size of the outer diameter (176), the width (170) of the annular cavity (164), and the depth (172) of the annular cavity (164). By appropriately sizing such dimensions, the strength of the bushing and thus its ability to avoid cracking in use is greatly improved.

Dependencies are inferred from the claim text.