| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a construction machine capable of holding a cab at any tilted and turned angle and also suppressing certainly the drop of the cab at the tilted and turned angle. <P>SOLUTION: The construction machine is composed of a lower runner 2, a revolving frame 4 installed upon the lower runner 2, a front working unit 6 installed in front of the revolving frame 4, the cab 7 installed on the revolving frame 4 and tiltable and turnable with its front serving as a fulcrum, and a tilting and turning holding mechanism 44 to hold the tilted and turned condition of the cab 7 with the tilting and turning angle variable. The machine further includes a locking member 52 installed swingably on the cab 7 and furnished with a lock member 52b moving forward in association with the increase of the cab tilting and turning angle and a stopper 53 installed on the revolving frame 4 and furnished with stopper grooves 53a for restricting the backward movement of the lock part 52b of the locking member 52 in a plurality of places in accordance with the tilting and turning angle of the cab 7. <P>COPYRIGHT: (C)2007,JPO&INPIT |
