PROBLEM TO BE SOLVED: To provide a bathing device provided together with a tank, which makes it possible to execute bathing at a sitting position and bathing at a lying position in one bathtub 3, is downsized, and is convenient, economical and easy to use.SOLUTION: The bathing device provided together with a tank includes: a bathtub 3 for which a front side wall 1 is a door 2 a carrier 4 the tank 5 and a hot water moving device 6. The bathtub 3 includes a bathtub main part 10 provided with the door 2 and a bathtub sub part 11 continuously connected to the bathtub main part 10 on the side facing the door 2, and is formed in a long length from the base side to the tip side of the bathtub 3. The carrier 4 capable of supporting a bather in a sitting posture or a lying posture can be pushed into the bathtub 3, and the lying position bathing which occupies the inside of the bathtub 3 in a long-length range and the sitting position bathing are executed in one bathtub 3.COPYRIGHT: (C)2011,JPO&INPIT【課題】座位入浴と寝位入浴とを1台の浴槽3で実施でき、しかも装置を小型化して、便利で経済的で使い易いタンク併設型入浴装置を提供すること。【解決手段】正面側壁1が扉2である浴槽3と、搬送車4と、タンク5と、湯移動装置6とからなり、浴槽3は、扉2が設けられる浴槽主部10と、扉2に対向する側の浴槽主部10に連続して接続される浴槽副部11とからなり、浴槽3の基側から先側に向けて長尺に形成されてなり、入浴者を座位姿勢にして又は寝位姿勢にして支持できる搬送車4を前記浴槽3に押し込み可能であり、浴槽3内を長尺範囲に占有する寝位入浴と座位入浴を1台の浴槽3で実施できることを特徴とするタンク併設型入浴装置である。【選択図】 図1