| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler type traveling device capable of preventing remaining or depositing of earth and sound on a center frame. SOLUTION: This crawler type traveling device C has the center frame 1, a side frame 2 connected to the center frame 1 by a connecting member 3 and provided on both left and right side parts of the center frame 1, and a crawler 8 provided on the side frame 2. In the center frame 1, the plane shape is constituted to be a circular annular shape. An outer diameter dimension of the circular annular shaped center frame 1 is constituted to be below an outer diameter dimension of a turn wheel R. COPYRIGHT: (C)2006,JPO&NCIPI
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