Patent ID: 9532921
Date: 2017-01-03
CPC Classifications: A47C,A61H

Claim:
1. A massage chair, including: a chair body, capable of carrying human body, and having a chair back and a chair seat, wherein the chair back is located by the chair seat and having a rotation angle between the chair back and chair seat, also adjusted properly by the chair seat for rotating; wherein the chair back has a back massage surface, the chair seat has a seat massage surface, and both are made by leather material; a frame body, being stiffness frame, and being located within the chair body, also having a rigid bar welded in the frame body, a left frame and right frame; wherein the left frame and right frame have relative shape, and being connected each other by at rigid bar, in addition, the left frame and the right frame of the frame body are both formed internal slide track respectively, and both further comprising: a back section, being located and fixed in the chair back; wherein the back section of the left frame is connected with the back section of the right frame; a buttock section, being located in both the chair back and the chair seat, and connecting to the back section; wherein the buttock section has an upward curve; and a leg section, being located under the chair seat, and connecting to the buttock section; wherein the leg section has a downward curve relative to the buttock section; wherein the leg section of the left frame are connected to the leg section of the right frame; a massage module, being located within the frame body and between the internal slide track, able to slide from the back section, the buttock section to the leg section, and from the leg section, the buttock section to the back section; wherein the massage module can provide a massage service at both the chair back and the chair seat; wherein the massage module touches the back massage surface and the seat massage surface during massage service, and pushes the back massage surface and the seat massage surface respectively to provide the massage service; in addition, the massage module has a plurality of gearwheel and a plurality of sliding wheel, wherein the sliding wheels are disposed by the gearwheels; moreover, the massage module has two massage arm, controlled by electrical motor, able to push and press human body through the chair back and the chair seat; moreover, the massage module has a pressure sensor, sensing pressure from the back massage surface and the seat massage surface; a supporting shelf, being located and flanked the frame body, connecting to the frame body, having two first rotating center, and capable of carrying the chair seat; wherein the frame body is connected to the first rotating center; and an electrical driver, driving the massage module to provide massage service, also driving the frame body to rotate around the first rotating center, so that, the chair back is adjusted properly by the chair seat for rotating; wherein the pressure sensor senses pressure, and transfers a pressure signal to the electrical driver, the electrical driver then drives the frame body to rotate around the first rotating center, and adjusts the massage service according to the pressure signal.