| 摘要 |
PROBLEM TO BE SOLVED: To provide a pool movable floor unit capable of being easily laid on the existing pool and an optional postion of the bottom of the pool to freely make layout of a shallow part and a deep part. SOLUTION: The pool movable floor unit 1 is so constituted that a movable floor laid on the bottom is capable of being moved up and down without renovating the existing pool as an independent type, e.g. the basic end of one (first nodal member 3A) is pivoted on an anchor frame 2 laid on the bottom of the pool at a pivot section 3a, the front end of the first nodal member 3A is pivoted together with the basic end of the other (second nodal member 3B), and the pool movable floor unit includes a link mechanism 3 having a joint section 3b for connecting the movable floor 1A fixed or adjoined by laying the movable floor 1A on the front end of the second nodal member 3B and a rising and falling mechanism (air spring 4) provided between the front end of the first nodal member 3A of the link mechanism 3 and the basic end of the second nodal member 3B and contracting the link mechanism 3.
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