| 摘要 |
A load-moving device, particularly an excavator, having a turntable swivellable about a vertical axis and which carries a jib capable, of being pivotally raised and lowered, a load-moving appliance being mounted on the jib, the jib being pivotally mounted on a support member, which, in turn, is pivotally mounted on the turntable about a vertical axis offset from the swivel axis and is capable of being locked in a selected one of a plurality of angular positions. The jib can therefore, be positioned to extend generally tangentially of the turntable, when desired, thereby enabling the device to operate close to a wall or other obstacle.
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