| 摘要 |
PROBLEM TO BE SOLVED: To provide a wheelchair which widens the field activity range of a wheelchair user and makes travelling possible in the place where travelling is conventionally considered impossible by making travelling on a soft road such as a sand or a snowy road or a mountain path or a forest path with an obstacle such as a gravel road possible by increase in a grounded area and transmission of an uniform driving force by connecting a main wheel and a protruded driven wheel by hanging a recessed endless track and maintaining a moderate tension. SOLUTION: The recessed endless track (4b) is hung on the main wheel (2) and the protruded driven wheel (3b) on both side faces of a car body frame (1) in Fig., and moderate tension is maintained by a stretching device in Fig. 8 (not shown here). COPYRIGHT: (C)2005,JPO&NCIPI
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