PROBLEM TO BE SOLVED: To shorten a time required for a centering work when supporting a shaft for moving an injection part with an injection port, to improve an assembly workability of a massage device, and to reduce a cost without hindering the movement of the injection port.SOLUTION: A massage device includes: a rotation drive part a shaft 9 whose one end side is rotatably connected to the rotation drive part and is supported on a bearing, and whose the other end side 9b extends in one direction in a liquid tank 1 a screw gear which is provided on the shaft 9 an injection part which is movable along the shaft 9 together with the screw gear, has an injection port on the upper part, and is rotatable by the rotation of the screw gear and a support mechanism which supports the other end side 9b of the shaft 9 in a non-fixed state.COPYRIGHT: (C)2014,JPO&INPIT【課題】噴射口を有する噴射部を移動させるための軸を支持させるに際して、その芯出し作業に要する時間を短縮しマッサージ装置の組立作業性を向上させ、噴射口の移動に支障を来たすことなく、コストダウン化を図る。【解決手段】回転駆動部と、一端側が回転駆動部に回転可能に連結されかつ軸受で支持されかつ他端側9bが液槽1内の一方向に延在する軸9と、軸9に設けられたねじギアと、ねじギアと共に軸9に沿って移動可能でかつ上部に噴射口を有しかつねじギアの回転により回動可能な噴射部と、軸9の他端側9bを非固定状態で支持する支持機構とを有する。【選択図】図5
