| 摘要 |
<p>An excavator (40) has a digging member (44) comprising, in conventional manner, a second boom (48) connected to a first boom (45) which in turn is connected to the platform (41) of the excavator (40). A further body (49) is connected to both the free end of the second boom (48) and a shovel arm (53). A piston and cylinder arrangement (55) extends between this body (49) and the shovel arm (53) so as to achieve vertical movement of the shovel arm (53). The piston and cylinder arrangement is wholly provided forwardly of the second pivot. <IMAGE></p> |
