The subject of this invention is to provide a mobile vehicle simply structured with good functionality, stability, versatility, and maneuverability, capable of being simply shift-ridden between bed, toilet seat, and wheelchair, etc., without changing body orientation. This vehicle can be used by the user himself without giving loading to the back or waist of the user, capable of being used for a long period of time, in particular for user with spine injury without any inconvenience. This vehicle can greatly reduce the burden of care-giver and care-receiver (the user) and is not limited to being used by the elderly or the impaired. This vehicle can also be simply used by the healthy children or adults to replacing bicycle, motorcycle, or wheelchair to perform long-distance shifting. The solution of this invention is a moving vehicle for single user to shift-riding, capable of being used to replace bicycle, motorcycle, and wheelchair for performing indoor or outdoor shifting, comprising a platform part having travel part a seat part disposed on the platform part freely movably kept in the front-rear direction and up and down direction relative to the platform part, which is used for the user to sit from rear or side chest protection pad part vertically disposed at the front end side of the seat part and abutting against the chest of the user and a driving mechanism part making the seat part and the chest protection part move back and forth, and up and down between a low position at the rear side of the platform part and a high position at the front side of the platform part.本發明的課題為提供一種可不改變身體的方向而在與床、馬桶座、輪椅等之間簡單地移乘,構造簡單且即使是一個人也能使用,並且不會給予使用者的背或腰等負荷,可長時間使用,特別是即使是脊椎等有損傷的情形也能不勉強而使用,不僅可大幅減輕介護者及被介護者(使用者)的負擔,同時不限於老人或肢體行動不便者等,健康的小孩到大人都能簡單地使用以取代腳踏車、機車、輪椅等而進行長距離的移動之功能性、穩定性、通用性、操作性佳的移動車。本發明的解決手段為一種移動車,使用者一個人移乘,使用以取代腳踏車、機車、輪椅而用以進行在戶內、戶外的移動,包含:具有行走部之台部;配設於前述台部上,被保持能相對於前述台部而在前後方向及上下方向移動自如,且就座時後方開啟,前述使用者由後方或側方就座之就座部;立設於前述就座部的前端側,抵接前述使用者的胸部之護胸墊部;以及使前述就座部及前述護胸墊部同步前後移動及上下移動並在前述台部的後方低位置與前
