PROBLEM TO BE SOLVED: To enable a bathtub body and a lift mechanism to be cleaned without detaching the lift mechanism.SOLUTION: An opening/closing type bathtub includes a bathtub body 11, and a door part 13 for opening and closing an opening 12 provided on the upper side of a first sidewall 11a of the bathtub body 11. The bathtub body 11 includes a lift mechanism having a column support 18 for supporting a sitting part 19 and an elevating/lowering drive part 26 for elevating and lowering the sitting part 19 along the column support 18. A rotary shaft 36 is provided on the upper part of the column support 18, and the column support 18 and the sitting part 19 are turned with the rotary shaft 36 as a center and separated from an inner wall surface of the bathtub body 11.COPYRIGHT: (C)2013,JPO&INPIT【課題】リフト機構を取り外さなくても浴槽本体やリフト機構を掃除できるようにした。【解決手段】開閉式浴槽は、浴槽本体11と、浴槽本体11の第一の側壁11aの上部側に設けられた開口部12を開閉させる扉部13とを備えた。浴槽本体11には、着座部19を支持する支柱18と、支柱18に沿って着座部19を昇降させる昇降駆動部26とを有するリフト機構を備えた。支柱18の上部に回転軸36を設け、支柱18と着座部19を回転軸36を中心に回動させて、浴槽本体11の内壁面から離間させる。【選択図】図3