The present invention in hot springs and public baths, with inspire bathing and fun feel that with a sense of luxury in bathers, bathing for the physically flotation holder to answer the needs of bathing who want to enter into a different and unusual bath and usually and it provides a bathtub. The apparatus includes a back area support unit 45 for supporting the at least back, mainly the foot support portion 46 to support the foot, and held in a substantially horizontal with intersects with both the and the back area support unit 45 foot support 46 both substantially horizontal support portion 47 includes a housing portion 18 for accommodating a freely floating member detachment has a function to adjust the overall buoyancy, the housing portion 18 of the head side float portion 3 and the leg side float section 4 wherein the provided respectively. .BACKGROUND【課題】 温泉地や公衆浴場において、入浴者に高級感を伴った入浴や楽しい感じを抱かせるとともに、普段とは異なる変わった風呂に入りたいという入浴者の要望に答える入浴用身体浮揚保持具及び浴槽を提供する。【解決手段】 少なくとも背中を支える背中域支え部45と、主に足を支える足支え部46と、前記背中域支え部45と前記足支え部46の両方と交差するとともに略水平に保持された略水平支え部47と、全体の浮力を調整する機能を有するとともに着脱自在の浮き部材を収容する収容部18を備え、前記収容部18を頭部側浮き部3と足側浮き部4の両方にそれぞれ設けたことを特徴とする。【選択図】 図1
