| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crawler type traveling device capable of facilitating a changing operation of a tread width of a truck frame. <P>SOLUTION: The crawler type traveling device, in which a crawler 7 is wound over a driving wheel 6, front and rear driven wheels 3, 4 and an idler wheel 5, includes: a support cylinder 72 which has a pivot shaft 8 inserted freely movably in the right and left direction thereto and is fixed onto a rear axle case 34; a pair of support plates 71 for setting the right and left moving range with respect to the support cylinder 72 on the both end parts of the pivot shaft 8, which is formed in the right and left direction longer than the support cylinder 72, and is fixed; a truck frame 2 connected to the support plates 71; and a pair of holding bodies 79 which are provided with spacer members 77 that are selectively interposed between one support plate 71 of the pair of support plates 71 and the support cylinder 72 or between the other support plate 71 and the support cylinder 72 so as to regulate the right and left movement of the pivot shaft 8 with respect to the support cylinder 72, and in which the spacer members 77 are split in the circumferential direction and can be externally fitted into the pivot shaft 8 from the outside of the diameter. <P>COPYRIGHT: (C)2012,JPO&INPIT |
