| 摘要 |
<P>PROBLEM TO BE SOLVED: To make an operator easily get in a cab 4 mounted on an upper revolving body 3 and get off the cab from and to the ground G without using a step, in a hydraulic shovel in which the upper revolving body 3 is rotatably mounted to a lower traveling body 2. <P>SOLUTION: A base stand 6 arranged on the upper revolving body 3 bears a bracket 10 via an elevating link mechanism 7, and the bracket 10 bears the cab 4 in a longitudinally movable manner. Then the cab 4 is lowered to the ground G in front of the lower traveling body 2, and located at a descended ride-in/off location, to thereby allow the operator to easily ride-in/off the cab 4. <P>COPYRIGHT: (C)2007,JPO&INPIT |
