| 摘要 |
PROBLEM TO BE SOLVED: To widen usages as a working vehicle and a carrier moving means by newly providing a function for riding over an obstacle such as a fallen tree and a stepped structure on a traveling road. SOLUTION: Traveling crawlers 20 having an upper driving wheel (201) and a plurality of lower rolling wheels arranged in an approximately triangle shape toward a vertical direction, and a crawler wound in an approximately triangular shape between the driving wheel and the rolling wheels are provided on both sides of a movable element frame 10. This crawler type movable element is driven by various driving styles. The element comprises a traveling crawler inclining device 30 for inclining the respective traveling crawlers 20 with a rotary shaft of the upper driving wheel 201 as an inclination center. COPYRIGHT: (C)2007,JPO&INPIT
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