| 摘要 |
PURPOSE:To enable to swing the reflection plate support frame without overload, by providing the front and rear legs movably to each adjusting leg. CONSTITUTION:A pair of front adjusting stands 61 and 62 supporting the reflection plate support frame 2 and the front legs 31 and 32 left and right, and the rear leg adjusting stand 7 supporting the rear leg 4 of the support frame 2, are provided and the leg stands 61 and 62 are placed along the circular arc taking the leg axis of the rear leg 4 as a center. The front legs 31 and 32 are placed on the slide plate possible for slide front and rear and left and right on the leg stands 61 and 62, the leg stand 7 is placed along the perpendicular bisector of the segment tying the front legs 31 and 32, and the rear leg 4 is placed on the slide plate possible for slide front the rear on the leg stand 7. Thus, the front legs 31 and 32 and the rear leg 4 are placed rotationably to the adjustment stand to enable to swing the support frame 2 without overload. |
