延出部82の後端部と端部垂下片92の下端部の境界部93cを前面視で便座載置部34上に載置して倒した状態の便座7及び起立した状態の便座7によって隠れる位置に配置する。 The boundary part 93c between the rear end of the extension part 82 and the lower end of the end downwardly extending piece 92 is so disposed as to be hindered by the toilet seat 7 fallen on and erected from the toilet seat placement part 34 when viewed from the front. - 特許庁