PROBLEM TO BE SOLVED: To rock a seat part to change its position, so that the seat part can be moved efficiently and easily.SOLUTION: This mechanism for rocking the seat part of a bathing system includes: a rocking member 52 formed in long size, having the seat part mounted on its lower end portion 52b, and being capable of rocking within a vertical plane about a rocking fulcrum 52c provided near its upper end portion 52a and a biasing means 55 for assisting the rocking member 52 in rocking. The biasing means 55 biases downward the portion of the rocking member 52 located above the rocking fulcrum 52c.COPYRIGHT: (C)2012,JPO&INPIT【課題】着座部を効率よく容易に移動させる。【解決手段】長尺に形成されて下端部52bに着座部が取り付けられるとともに上端部52a近傍に設けられた揺動支点52cを中心に鉛直面内において揺動可能な揺動部材52と、揺動部材52の揺動をアシストする付勢手段55と、を備える。付勢手段55は、揺動部材52の揺動支点52cよりも上方に位置する部位を下方へ付勢している。【選択図】図5
