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公开(公告)号：WO2021025846A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/042502
申请日：2020-07-17
Applicant: CATERPILLAR INC.
Inventor： RATHOD, Chandrasen, R. , RECKER, Roger, L. , PICKERILL, Robert, J. , GRAHAM, Susan, M. , KEELE, Scott , YANIAK, Thomas, J.
IPC: B62D55/21
Abstract: A bushing (100) for a track assembly (12), according to one or more embodiments, includes: a tubular bushing substrate (110) having a longitudinal length and an outer surface (112); and at least one white iron member (120) fixed to the outer surface (112) of the tubular bushing substrate.
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