| 摘要 |
PROBLEM TO BE SOLVED: To provide a carriage with a stair ascending/descending function which can change an angle of an auxiliary leg without human power, has low danger of falling at the time of stair ascending/descending, and turning performance at the time of flatland traveling. SOLUTION: The carriage is equipped with a main body frame 1 loading baggage, a pair of right and left crawlers 2 which are mounted to the rear part side of the main body frame 1 and is rotated by the driving force of a drive device provided on the main body frame 1, a pair of right and left auxiliary legs 3 which are mounted to the central part of the main body frame 1 and are rotated and fixed to an arbitrary angle by the driving force of the drive device or another drive device provided on the main body frame1, and a stair ascending/descending auxiliary tool 7 mounted to the auxiliary legs at the time of stair ascending/descending. COPYRIGHT: (C)2005,JPO&NCIPI
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