发明名称 ROLLER ASSEMBLY OF AN UNDERCARRIAGE SYSTEM
摘要 The disclosure provides a roller assembly for an undercarriage system of a machine. The undercarriage system includes a frame, which has a first inner surface defining a first opening. The roller assembly includes a roller supported on a roller shaft, and a spacer assembly. The spacer assembly includes a boss and a pad. The boss includes a second inner surface defining a second opening. The boss is fixedly attached to the frame, such that the second opening axially aligns with the first opening of the frame. The pad includes a third inner surface defining a third opening. The pad has a relatively greater hardness than the boss. The pad is fixedly attached to the boss, such that the third opening axially aligns with the second opening. Further, the roller shaft extends through the first opening, the second opening, and the third opening, to support the roller on the frame.
申请公布号 US2017043819(A1) 申请公布日期 2017.02.16
申请号 US201615333428 申请日期 2016.10.25
申请人 Caterpillar Global Mining LLC 发明人 Wu Cheng-Kong C.;Dubay Gregory H.
分类号 B62D55/15 主分类号 B62D55/15
代理机构 代理人
主权项 1. A roller assembly for an undercarriage system of a machine, the undercarriage system including a frame having a first inner surface defining a first opening therethrough, the roller assembly comprising: a roller supported on a roller shaft; and a spacer assembly, including: a boss including a second inner surface defining a second opening, the boss being fixedly attached to the frame such that the second opening axially aligns with the first opening of the frame; anda pad including a third inner surface defining a third opening, the pad being fixedly attached to the boss such that the third opening axially aligns with the second opening, wherein the pad includes a relatively greater hardness than the boss; wherein the roller shaft extends through the first opening, the second opening, and the third opening, to support the roller on the frame.
地址 South Milwaukee WI US