| 摘要 |
PURPOSE: A cushion member composed with serially replicated seesaw-structure and its applications for variable products like general beds, medical beds, finger-pressure plates and chairs is provided to, support concave or convex surface of human body with equal-pressure comfortably. CONSTITUTION: First operating supporter(10) is installed onto basal frame(2) as a seesaw-structure; second supporters(20) are installed onto both ends of the first supporter in perpendicular direction to first supporter, third supporters(30) are installed onto both ends of the second supporter in perpendicular direction to second supporter. As the same manner, fourth, fifth, sixth, and seventh operating supporters(40,50,60,70) are installed onto serially. On both ends of each seventh supporters, cushion materials(71) made with sponge or other fibrous materials are uploaded. Each supporters is linked by a pivot allowing swing of supporters along the axis, can only be movable up and down within limited range by stopper on below supporter.
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