Track roller support structure and crawler type traveling apparatus

摘要

PROBLEM TO BE SOLVED: To provide a rolling wheel support structure provided with sufficient durability capable of stably fixing a shaft of the rolling wheel over a long period of time and a crawler type traveling device provided with the rolling wheel support structure.;SOLUTION: The rolling wheel support structure 7 is provided with a shaft support body 511; a cap member 512 abutted on the other part of an outer peripheral surface of the shaft 541; and a plurality of fastening members 514, 515 for fastening the shaft support body 511 and the cap member 512 and fastening/fixing the shaft 541. A plurality of parts 71, 72 to be fastened are formed between the shaft support body 511 and the cap member 512 along an axial direction of the shaft 541. When the shaft support body 511 and the cap member 512 are fastened by the fastening members 514, 515, the inner fastening/fixing part (part to be fastened) 71 is fastened in the state that a clearance is formed and an outer fixing part (part to be fastened) 72 is fastened without a clearance.;COPYRIGHT: (C)2006,JPO&NCIPI