| 摘要 |
A massage machine of a chair-type having a backrest part and a seat part includes torso rolling devices provided respectively in the backrest part and the seat part for rolling a torso of a user. Both torso rolling devices of the backrest part and the seat part are designed to operate substantially at the same time and in the same direction. Each of the torso rolling devices includes a rotating member having a width covering a full left and right width of the torso of the user and a drive unit for rotating the rotating member to the left and right. Further, the drive unit includes upheaving mechanisms respectively arranged at left and right rear surfaces of the rotating member for lifting up left and right portions of the rotating member.
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