| 摘要 |
<P>PROBLEM TO BE SOLVED: To display the tilted position of a floor plate when tilting the floor plate to the front side from the top of a frame to perform maintenance of machines including an engine. <P>SOLUTION: A tilt mechanism 30 provided between a revolving frame 5 and the floor plate 15 is composed of a guide rail 33 rotatably mounted to a post 12D on the revolving frame 5 side and extending to the front side, with the tip side formed as a free end; a screw shaft 34 extending in the length direction of the guide rail 33 and provided rotatably relative to the guide rail 33; and a moving member 35 rotatably mounted to a side face plate 19 on the floor plate 15 side in a state of being screwed with the screw shaft 34 and moving in the length direction of the guide rail 33. An indicator 37 indicating the tilted position of the floor plate 15 is composed of a graduation mark 38 provided at a flange part 35B of the moving member 35, and graduations 39A, 39B, 39C, etc. provided at the guide rail 33. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
