Patent ID: 6312400
Filing Date: 2001-11-06
Classification: A61H

Abstract:
A massager comprising:a chair body including a seat and a back rest;a guide member provided on the back rest;a movable member movably guided in up and down directions by the guide member;an upper expandable body disposed on an upper side of the movable member and a lower expandable body disposed on a lower side of the movable member, wherein an upper end of the upper expandable body is supported at a position corresponding to an upper end portion of the guide member and a lower end of the lower expandable body is supported at a position corresponding to a lower end portion of the guide member, and wherein the upper and lower expandable bodies are expanded and contracted by air pressure to thereby move the movable member in the up and down directions;an air supplying device;an air path device for bringing the air supplying device and the expandable bodies into communication with each other, and for supplying air from the air supplying device to the expandable bodies;a valve device, provided in the air path device, for opening and closing the air path device and for controlling expansion and contraction of the expandable bodies so that the expandable bodies can be held in arbitrary expanded states by a valve closing action; anda massage element provided on the movable member and projecting from a surface of the back rest to abut against a body of person a sitting on the chair body.