| 摘要 |
PROBLEM TO BE SOLVED: To provide a swing checker with which the check of a swing form is facilitated. SOLUTION: This swing checker is provided with a pedestal part (2), which can be moved by casters (12), a supporting frame part (14), with which a ceiling part (18) is formed and a free space (20) is formed on the lower face side of the ceiling part, strut parts (struts 26 and 28), a ball (50), which is hung from the ceiling part by a rope (38) movably in the free space, a reel part (36) attached to the supporting frame part outside the free space for controlling the height of the ball by winding or rewinding the rope, and nets (shield nets 52 and 54) for regulating the movement of the ball so that the swing check can be easily performed.
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