| 摘要 |
An excavating and loading machine has a body with a front end and a rear end, the body being carried on a steerable wheeled ground engaging structure, the machine including a loading arm assembly which is mounted on the body and extends forwardly of the body, and an excavating arm, and wherein the excavating arm is mounted on a superstructure which includes an operator's cab, the superstructure being rotatable about a generally upright axis relative to the body during the performance of excavating operations, and the excavating arm is mounted on the superstructure by a mounting which permits the arm to slew relative to the superstructure, about a generally upright slew axis as well as to permit the excavating arm to be raised and lowered about a generally horizontal axis.
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