| 摘要 |
<p>An excavating and loading machine (10) has a body (11) with a front end and a rear end, the body (11) being carried on a steerable wheeled ground engaging structure, the machine (10) including a loading arm assembly (20) which is mounted on the body (11) and extends forwardly of the body (11), and an excavating arm (30), and wherein the excavating arm (30) is mounted on a superstructure (25) which includes an operator's cab (26), the superstructure (25) being rotatable about a generally upright axis (B) relative to the body (11) during the performance of excavating operations, and the excavating arm (30) is mounted on the superstructure (25) by a mounting (32) which permits the arm (30) to slew relative to the superstructure (25), about a generally upright slew axis (C) as well as to permit the excavating arm (30) to be raised and lowered about a generally horizontal axis (D).</p> |
