| 摘要 |
<p>A material delivery support device (40) is provided for supporting a tubular delivery system (16, 90, 100, 108) from an outermost end of an extendable boom arm (12). The material delivery support device includes a rigid support arrangement having an upper rigid (44, 62) portion attached to the outermost end of the boom arm, and a lower rigid portion (80) secured to the tubular material delivery system below the upper rigid portion. A flexible support assembly (20) extends between the upper and lower rigid portions and surrounds the tubular material delivery system. The tubular material delivery system is substantially supported from the upper rigid portion of the rigid support arrangement.</p> |
