发明名称 GRUPPI RULLO ACCOPPIATI PER FORZAMENTO PER UN GRUPPO CARRELLO DI UNA MACCHINA OPERATRICE E PROCEDIMENTO PER LA LORO FABBRICAZIONE.
摘要 A roller assembly for an undercarriage of a work machine has a roller rim having central passage defined therein with (i) a first end of the central passage of the roller rim defining a first access opening, and (ii) a second end of the central passage of the roller rim defining a second access opening. The roller assembly also has a roller shaft having a first end portion which is positioned outside of the central passage of the roller rim and a second end portion which is positioned within the central passage of the roller rim, the second end portion of the roller shaft having an outwardly extending annular flange secured thereto. Yet further, the roller assembly has a retainer press fit into the second access opening. In addition, the roller assembly has an axial thrust bearing interposed between the outwardly extending annular flange of the roller shaft and the retainer. A method for manufacturing a roller assembly of an undercarriage assembly is also disclosed.
申请公布号 ITTO20010380(A1) 申请公布日期 2002.10.18
申请号 IT2001TO00380 申请日期 2001.04.18
申请人 CATERPILLAR INC., 发明人 MAGUIRE ROY L.;HASSELBUSCH MICHEAL D.
分类号 B62D55/14;B62D55/08 主分类号 B62D55/14
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