A pipelayer crawler machine has an elevated sprocket with a corresponding inclined link track. A counterweight assembly is mounted on one longitudinal side of the pipelayer, the counterweight assembly having a horizontal axis of rotation above the inclined link track. The counterweights retract to a narrow profile above the link track for shipping the pipelayer with the counterweight assembly intact and for maintaining appropriate balance in operation.
申请公布号
CA2231677(A1)
申请公布日期
1999.02.27
申请号
CA19982231677
申请日期
1998.03.10
申请人
CATERPILLAR INC.
发明人
KNOCK, ANTHONY J.;SPIEGEL, FREDERICK A., III;HODGES, DONALD C.;PARKER, PATRICK A.;WALLGREN, JON P.