| 摘要 |
PROBLEM TO BE SOLVED: To provide an enlarging and reducing device for a vehicular platform capable of coping by a simple, stout and inexpensive means. SOLUTION: The platform is constituted by a main platform and a sub platform, and the sub platform is moved to the main platform by operation of a cooperative movement mechanism and a rotational driving source. A main platform plate and a sub platform plate respectively arranged are vertically overlapped and stored, and are protruded to the outside and the main platform plate and the sub platform plate are connected to be used. COPYRIGHT: (C)2005,JPO&NCIPI
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