| 摘要 |
A traveling device such as wheel chair and transportation vehicle having a carriage with wheels capable of following up the irregularities on a rough terrain, capable of satisfactorily traveling on the rough terrain, capable of simplifying the structure, and capable of being manufactured at low cost, comprising a carriage (A) having an annular frame (2) formed to be bendable at both-side longitudinally intermediate parts and supported by a caster (3) at the front and rear center part thereof and by a drive wheel (4) at both-side intermediate parts, and a body (B) supported on the carriage through front links (11) and rear fixed arms (12), wherein an upper end part (e4) of the fixed arm is fixed immovably to the body and a lower end part (e3) is connected so as to be able to rotate in the direction generally in parallel with an advancing direction.
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