CRAWLER TYPE TRAVELLING BODY

PROBLEM TO BE SOLVED: To provide a crawler type travelling body capable of reducing the weight of a spacer, reducing cost and the facilitating connection and disconnection work of the spacer in constituting it capable of vertically adjusting a mounting position of a lower roller on a truck frame in correspondence with the replacement of a rubber crawler and an iron made crawler on the crawler type travelling body. SOLUTION: This crawler type travelling body is constituted so as to position and adjust a mounting position of a roller shaft 11 on the truck frame 5 to an upper position at which a frame receiving surface 15a of a collar 15 makes contact with the lower end surface 5c of the truck frame 5 and a lower position at which a spacer part 16b of the spacer 16 is interposed between the lower end surface 5c of the truck frame 5 and the frame receiving surface 15a of the collar 15 by integrally providing the collar 15 having the frame receiving surface 15a opposed to the lower end surface 5c of the truck frame 5 on the roller shaft 11 axially supporting a roller body 14 of the lower part roller 10 free to rotate. COPYRIGHT: (C)2005,JPO&NCIPI