TWI586348B - Massage chair - Google Patents

Description

Massage chair

The present invention relates to a massage chair including a seat portion and a backrest portion.

Japanese Laid-Open Patent Publication No. 2004-041383 discloses a chair type massage machine. This massage machine is a massage unit having a massage ball on the backrest portion, and a foot carrier portion including an air unit for foot massage is connected to the front side of the seat portion. The air is supplied to the air unit to expand, and the foot portion is lowered while the foot is held, and the foot portion is raised after the foot is released.

Japanese Laid-Open Patent Publication No. 2003-210270 discloses an airbag for massaging a shoulder, a back portion, and a waist portion in a backrest portion of a massage chair, and a foot mounting table. The foot mounting table is an air bag that includes a lower foot massage, and is controlled such that the foot mounting table is rotated in the up and down direction and the backrest portion is fallen down in a state in which the lower leg rest is restrained.

The massage machine of Japanese Laid-Open Patent Publication No. 2004-041383 lowers the foot carrier portion while holding the foot, and lifts the foot carrier portion after releasing the grip state of the foot, thereby causing the foot to be extended. However, it is not disclosed in Japanese Laid-Open Patent Publication No. 2004-041383 that the massage unit including the massage ball is simultaneously operated in conjunction with the operation of the foot carrier. In the Japanese Unexamined Patent Publication No. 2004-041383, it is not disclosed that the lower body is stretched by the effect of the foot extension, and the upper body is also treated while the site of the person to be treated that is in contact with the massage ball provided in the backrest portion is treated. Stretching action. Therefore, in the massage machine of Japanese Laid-Open Patent Publication No. 2004-041383, it is not possible to stretch the entire body while the upper body portion is concentrated.

The massage machine of Japanese Laid-Open Patent Publication No. 2003-210270 discloses a stretching effect by rotating the foot mounting table in the vertical direction and dropping the backrest portion. However, it is not disclosed in Japanese Laid-Open Patent Publication No. 2003-210270 that the airbags provided in the backrest portion are operated in conjunction with the movement of the footrest, and the upper body of the person to be treated is also stretched. Therefore, in the massage machine of Japanese Laid-Open Patent Publication No. 2004-041383, it is not possible to stretch the entire body while the upper body portion is concentrated.

It is an object of the present invention to provide a massage chair that can centrally treat the upper body portion and that can be extended throughout the body.

A massage chair according to an embodiment of the present invention includes a seat portion and a backrest portion that is pivotally supported on a rear side of the seat portion and that is tiltable, and is a foot support portion that is placed on the front side of the seat portion and that is placed on the foot of the person to be treated, and a treatment person that includes at least the back treatment of the person to be treated and that is directed toward the backrest portion The treatment unit and the control unit that controls the foot unit and the treatment unit separately, wherein the foot unit includes a holding means for holding the foot of the person to be treated, and an extension for moving the foot of the person to be treated In the above-described control unit, the holding means is controlled so as to hold the foot of the person to be treated, and then the treatment unit is controlled so that the treatment portion is extended, and the foot of the person to be treated is elongated. The above elongation means is controlled.

Preferably, the backrest portion includes a lifting mechanism that moves the treatment portion toward the longitudinal direction of the backrest portion, and the control portion further controls the lifting mechanism, and the control portion protrudes from the treatment portion In the state where the treatment unit is moved upward in a predetermined massage range, the elevation mechanism is controlled.

Preferably, the extension means includes a rotation mechanism that vertically rotates the foot carrier, and the control unit controls the holding means such that the foot of the person to be treated is held, and then the treatment member is protruded. The method controls the rotation mechanism such that the treatment portion is controlled and the foot portion is rotated downward.

Preferably, the extension means includes a rotation mechanism that vertically rotates the foot carrier portion, and a telescopic mechanism that extends and contracts the foot carrier portion with respect to the seat portion, and the control portion is a foot of a person to be treated The holding means is controlled in such a manner that the treatment portion is controlled so that the above-described treatment portion is protruded, and the foot portion is extended. The above-described expansion and contraction mechanism is controlled, and then the above-described rotation mechanism is controlled such that the above-described foot carrier portion is rotated downward.

Preferably, the extension means includes a rotation mechanism that vertically rotates the foot carrier portion, and a telescopic mechanism that extends and contracts the foot carrier portion with respect to the seat portion, and the control portion is a foot of a person to be treated In the manner of holding, the holding means is controlled, and thereafter, the extending portion is controlled, and after the stretching mechanism is controlled, the treatment portion is controlled to rotate the treatment portion to rotate the foot portion downward. The above rotating mechanism is controlled.

Preferably, the control unit further controls the treatment unit such that the treatment unit performs a predetermined massage operation after the treatment unit is protruded.

Preferably, the backrest portion has a shoulder holding portion for holding the shoulders of the person to be treated, and the control portion further controls the shoulder holding portion, and the control portion holds the foot of the person to be treated. The above-described holding means is controlled, and the shoulder holding portion is controlled in such a manner that the shoulders of the person to be treated are held.

A massage chair according to another embodiment of the present invention includes a seat portion, a backrest portion that is pivotally supported on a rear side of the seat portion, and a backrest portion that is pivotally supported on a front side of the seat portion and that is to be treated a foot carrying portion placed on the foot, and a treatment portion including a treatment subject that is to be treated by at least the back of the person to be treated, and the treatment person who protrudes toward the backrest portion protrudes the treatment member, and the foot portion and the treatment a control unit that is separately controlled, wherein the backrest portion includes moving the treatment portion toward a longitudinal direction of the backrest portion The lifting mechanism includes: a holding means for holding a foot of the person to be treated; and an extending means for operating a foot of the person to be treated, wherein the elongation portion has a rotation of the foot portion up and down The rotating mechanism and the telescopic mechanism for extending and contracting the footrest portion with respect to the seat portion, wherein the control portion controls the holding means such that the foot of the person to be treated is held, and then the treatment is performed The holding means controls the first control unit controlled by the rotation mechanism and the foot of the person to be treated to control the above-described treatment portion by controlling the treatment portion and rotating the foot portion downward. The above-described treatment portion is controlled such that the treatment portion is controlled, and the extension mechanism is controlled such that the footrest portion is extended, and then the second control of the rotation mechanism is controlled such that the foot carrier portion is rotated downward. And controlling the holding means in such a manner as to hold the foot of the person to be treated, and thereafter controlling the telescopic mechanism by extending the foot portion The third control unit controlled by the rotation mechanism that controls the treatment unit to control the treatment portion to rotate the footrest portion downward; the control unit selectively executes the first control unit The control generated by the second control unit and the third control unit.

The above and other objects, features, aspects and advantages of the present invention will become apparent from

2‧‧‧s

3‧‧‧Backrest

4‧‧‧The Department of Treatment

5‧‧‧foot

6‧‧‧Shoulder Holder

9‧‧‧Control unit

11‧‧‧Massage machine

12‧‧‧Massage machine

18a‧‧‧Retracting mechanism for reclining

21‧‧‧Airbag

21a~21c‧‧‧Airbag

32‧‧‧rails

41‧‧‧Sports ball

42‧‧‧ Massage institutions

42a‧‧‧Tuina

42b‧‧‧ Beating institutions

42c‧‧‧ prominent institutions

42d‧‧‧ Lifting mechanism

43‧‧‧pressure sensor

51‧‧‧Ditch

52‧‧‧ foot airbag

52a~52d‧‧‧Airbag

53‧‧‧Elongation mechanism

53a‧‧‧Rotating mechanism

53b‧‧‧Flexing mechanism

61‧‧‧Uplift

62‧‧‧ shoulder airbag

91‧‧‧Control Department

91B‧‧‧ Timing

92‧‧‧Operation panel

92A‧‧‧Switch Department

92B‧‧‧Display Department

93‧‧‧Air Generation Department

93A‧‧‧ pump

94‧‧‧Distributor

94A‧‧ Air Distribution Department

94B‧‧‧Signal Distribution Department

95‧‧‧Memory Department

500‧‧‧foot

510‧‧‧ leg rest

511‧‧‧Ditch

512‧‧‧Airbag

512‧‧‧ foot airbag

520‧‧‧foot rest

521‧‧‧Ditch

522‧‧‧ foot airbag

911‧‧1st Control Department

912‧‧‧2nd Control Department

913‧‧‧3rd Control Department

[Fig. 1] A perspective view showing a massage chair of an embodiment of the present invention.

[Fig. 2] A diagram showing the control unit of the massage chair and the peripheral portion as shown in Fig. 1 in association with each other.

[Fig. 3] A diagram showing a functional configuration of a control unit according to an embodiment of the present invention.

Fig. 4 is a view showing a display portion of an operation panel according to an embodiment of the present invention.

[Fig. 5] A control flow chart of an embodiment of the present invention.

Fig. 6 is a view showing a time chart of the stretching mode of the first embodiment.

[Fig. 7] A view showing the operation of each part of the massage chair of the first embodiment.

[Fig. 8] A diagram showing a time chart of the stretching mode of the second embodiment.

[Fig. 9] A view showing the operation of each part of the massage chair of the second embodiment.

[Fig. 10] A diagram showing a time chart of the stretching mode of the third embodiment.

[Fig. 11] A view showing the operation of each part of the massage chair of the third embodiment.

[12] A diagram showing a time chart of the stretching mode of Modification 1.

[13th] Fig. 13 is a view showing the operation of each part of the massage chair of the first modification.

[Fig. 14] A diagram showing a time chart of the stretching mode of the second modification.

Fig. 15 is a view showing the massage operation A of the second modification.

[16] Fig. 16 is a view showing the massage operation B of the second modification.

[17] A diagram showing a time chart of the stretching mode of the third modification.

[18th] Fig. 18 is a view showing the operation of each part of the massage chair of the third modification.

Fig. 19 is a perspective view showing a massage chair of another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals are attached to the same components. The names and functions of those are the same. Therefore, the details of those are not repeated. In this specification, "treatment" is not a treatment for the human body, but acts on the human body such as "massage" from the outside. Further, in the present embodiment, the "foot" corresponds to a portion of the lower limb that extends downward from the knee. The lower part of the extension includes the foot (instep and the fingertip) extending forward from the ankle.

[massage chair 11]

Referring to Fig. 1, the massage chair 11 includes a seat portion 2, a backrest portion 3, a treatment portion 4, a foot carrier portion 5, a shoulder holding portion 6, and a control portion. 91.

In the following description, the front-rear direction corresponds to the front-rear direction of the case where the person to be treated sits in the seat 2 and sees from the subject. The up-and-down direction corresponds to the vertical direction of the case where the person to be treated sits in the seat 2 and sees from the person to be treated. The left-right direction is the left-right direction corresponding to the situation seen by the person to be treated when sitting on the seat 2 by the person to be treated.

The vertical posture is a posture corresponding to the up-and-down direction, and the foot of the person to be treated who is sitting is in a state of being lowered. The vertical posture, in addition to the vertical state, also includes a substantially vertical state. Further, the horizontal posture is a posture corresponding to the front-rear direction and a state in which the foot of the person being seated is horizontally extended. The horizontal posture, in addition to the horizontal state, also includes a substantially horizontal state.

The seat 2 is for the person to be treated to sit on the user. The seat portion 2 is provided with a plurality of seat airbags 21. The plurality of seat airbags 21 are provided at positions on the back side of the thigh portion of the person to be seated. More specifically, the plurality of airbags 21 include two airbags 21a and 21b corresponding to the upper part of the thigh, and one airbag 21c corresponding to the lower part of the thigh. The airbags 21a and 21b are disposed on the rear side of the seat portion 2, respectively, and are disposed separately in the left-right direction. The airbag 21c is disposed on the front side of the seat portion 2.

The backrest portion 3 is pivotally supported on the rear side of the seat portion 2. The backrest portion 3 is tilted to the rear side of the seat portion 2 to be reclined. More specifically, the backrest portion 3 is slanted toward the rear side of the seat portion 2 by the reclining telescopic mechanism 18a (see FIG. 2) built in the massage chair 11.

The backrest portion 3 has a guide rail 32 that extends in the vertical direction. The guide rail 32 moves the treatment portion 4 toward the longitudinal direction of the backrest portion 3.

The treatment unit 4 is a pair of right and left massage balls 41 (corresponding to a treatment) that include at least the back of the person to be treated, and the pair of left and right massage balls 41 are protruded toward the person who is approaching the backrest unit 3. The details of the treatment unit 4 will be described later.

The foot carrying portion 5 is placed on the foot of the person to be treated. The footrest portion 5 has a pair of right and left groove portions 51. The pair of left and right groove portions 51 are formed to be sized to accommodate the lower legs of the knees of the person to be treated who are seated on the seat portion 2.

The footrest portion 5 includes a plurality of foot airbags 52 (holding means) and an extension mechanism 53 (elongation means). The details of the extension mechanism 53 will be described later.

The plurality of foot airbags 52 have a function as a holding means for holding the feet of the person to be treated. The plurality of foot airbags 52 are inflated so that the crotch portion of the foot is held to the left and right, and the foot is massaged. The plurality of foot airbags 52 have at least airbags 52a to 52d. The airbags 52a to 52d are disposed on the inner side surfaces of the pair of left and right groove portions 51, respectively.

The shoulder holding portions 6 are provided on both sides of the backrest portion 3. More specifically, the shoulder holding portion 6 is a position provided on the shoulder of the person to be treated who is close to the backrest portion 3 on the opposite side. The shoulder holding portion 6 includes a raised portion 61 and a shoulder bag 62.

The ridge portion 61 has a front surface facing forward from the backrest portion 3 The shape of the square uplift. The raised portions 61 are provided on both sides of the backrest portion 3. The shoulder bag 62 is disposed on the ridge portion 61. The shoulder bag 62 is inflated by receiving air from a air distribution portion 94A (refer to FIG. 2) which will be described later. Thereby, the shoulders of the person to be treated are treated by air pressure from the left and right shoulder airbags 62. The raised portion 61 and the shoulder bag 62 are preferably formed to be long along the longitudinal direction of the backrest portion 3.

The shoulder bag 62 is more preferably formed by overlapping a plurality of air cells. Thereby, the holding force against the shoulders of the person to be treated can be improved, and the effect of the air pressure treatment by the shoulder bag 62 can be improved.

The control unit 91 controls the operation of the massage chair 11. More specifically, the control unit 91 controls the operation of each of the seat portion 2, the backrest portion 3, the treatment portion 4, the foot carrier portion 5, and the shoulder holding portion 6 in accordance with a program stored in advance.

Here, each of the above airbags is controlled independently of each other. Further, in each of the airbags, one end of the flexible hollow air tube is connected to each of the airbags described above, and the other end of each air tube is an air distribution portion 94A corresponding to the air supply and exhaust unit (refer to FIG. 2) connection. Each air bag is ventilated by the air supply through the air tube and contracted by the exhaust gas.

[control unit]

Fig. 2 is a view showing the control unit 9 and the peripheral portion of the massage chair 11 in association with each other. The control unit 9 includes a control unit 91, an operation panel 92, an air generating unit 93, and a distributor 94.

The control unit 91 is constituted by a microcomputer or the like. Control unit 91, It includes: CPU (Central Processing Unit, Central Processing Unit) 91A, and timing device 91B. The control unit 91 is connected to the operation panel 92, the air generating unit 93, the distributor 94, and the storage unit 95, respectively. The control unit 91 controls each of the airbags, the treatment unit 4, the extension mechanism 53, and the reclining mechanism 18a.

The operation panel 92 includes a switch unit 92A and a display unit 92B (refer to FIG. 4). The switch unit 92A is operated by the person in charge to input an instruction. The display unit 92B is constituted by a liquid crystal screen or the like for displaying various kinds of information.

The air generating unit 93 includes a pump 93A for sending out air and a motor (not shown) for driving the pump 93A.

The distributor 94 distributes and outputs the air from the air generating unit 93 to the respective airbags. The air generating unit 93 and the distributor 94 are controlled by the control unit 91 to independently expand/contract the airbags. Each part of the person to be treated is treated with air pressure by the expansion of each balloon. The distributor 94 includes an air distribution unit 94A and a signal distribution unit 94B.

The air distribution unit 94A is a solenoid valve (not shown) that is connected to the air tubes of the respective airbags, and is independently opened and closed in accordance with a control signal from the control unit 91. Thereby, air supply/exhaustion is performed so that each airbag expands or contracts independently.

The signal distribution unit 94B uses the A/D (Analog/digital) conversion unit (not shown), and the control unit 91 and the massage chair 11 (the reclining mechanism 18a, the massage mechanism 42, the pressure sensor 43, And the input/output control of the signal of the extension mechanism 53, etc.).

The memory unit 95 memorizes programs and data. The memory unit 95 includes a volatile and nonvolatile ROM (Read Only Memory), a RAM (Dynamic Random Access Memory, and a Rom Access Memory). The program stored in the memory unit 95 is a treatment program for operating the massage chair 11. The program stored in the memory unit 95 is executed by the control unit 91 in accordance with the content of the operation received from the operation panel 92.

[treatment department 4]

Next, referring to Fig. 2, the treatment unit 4 includes a pair of right and left massage balls 41, a massage mechanism 42, and a pressure sensor 43.

The massage mechanism 42 includes a massage mechanism 42a, a striking mechanism 42b, a protruding mechanism 42c, and a lifting mechanism 42d.

The massage mechanism 42a has a gear and a motor. The massage mechanism 42a is controlled by the control unit 91 to perform a massage operation on the pair of right and left massage balls 41. The striking mechanism 42b has a gear and a motor. The striking mechanism 42b is controlled by the control unit 91 to perform a tapping operation on the pair of right and left massage balls 41.

The protruding mechanism 42c has a gear and a motor. The protruding mechanism 42c is controlled by the control unit 91, and the pair of right and left massage balls 41 are protruded toward the person who is approaching the backrest unit 3. Thereby, the degree of abutment (the therapeutic intensity) of the pair of right and left massage balls 41 is appropriately adjusted for the upper body including the back of the person to be treated. Further, the protruding mechanism 42c can project the upper body of the person to be treated by projecting the pair of right and left massage balls 41. Each part of the body is applied with acupressure.

The lifting mechanism 42d has a gear and a motor. The elevating mechanism 42d is controlled by the control unit 91 to move the treatment unit 4 in the backrest unit 3. More specifically, the elevating mechanism 42d moves the treatment portion 4 in the vertical direction along the guide rail 32.

Further, the protrusion mechanism 42c and the elevation mechanism 42d are simultaneously controlled by the control unit 91, and the pair of right and left massage balls 41 are subjected to a predetermined massage operation. In addition, the predetermined massage operation will be described later.

The pressure sensor 43 detects the pressure applied to the pair of left and right massage balls 41. The control unit 91 defines the back muscle line of the person to be treated based on the detection result of the pressure sensor 43.

The definition of the back line is as follows. First, the CPU 91A controls the elevating mechanism 42d to move the treatment portion 4 toward the upper side of the backrest portion 3 along the guide rail 32. The CPU 91A detects the pressure applied to the massage ball 41 that is moving upward by the pressure sensor 43. The CPU 91A performs a comparison between the pressure value detected by the pressure sensor 43 and the pressure value determined in advance. Based on the results produced by this comparison, the tendon line of the treated person is defined.

[Elongation mechanism 53]

Referring to Fig. 2, the extension mechanism 53 of the footrest portion 5 includes a rotation mechanism 53a and a telescopic mechanism 53b.

The rotation mechanism 53a has a motor and a gear. The rotation mechanism 53a is from a vertical posture to a horizontal posture or from a horizontal posture to The footrest portion 5 is rotated in the vertical direction until the vertical posture. Further, the rotation mechanism 53a rotates the foot carrier portion 5 to a predetermined angle, and the foot carrier portion 5 may be maintained in an inclined state caused by the angle.

The telescopic mechanism 53b has a motor and a gear. The telescopic mechanism 53b extends and contracts the footrest portion 5 with respect to the seat portion 2. By the telescopic mechanism 53b, the position of the foot portion 5 of the seat portion 2 can be changed in accordance with the length of the foot of the person to be treated.

[Functional Configuration of Control Unit 91]

Referring to Fig. 3, the control unit 91 has a first control unit 911 for implementing the extension control by the first mode of the first embodiment to be described later, and is generated by the second mode of the second embodiment to be described later. The second control unit 912 for performing the extension control and the third control unit 913 for performing the extension control by the third mode of the third embodiment to be described later. The first control unit 911, the second control unit 912, and the third control unit 913 are a program corresponding to the memory unit 95 or a combination of the program and the circuit. The CPU 91A is executed by reading the program from the storage unit 95, and realizes the extension control by the first control unit 911, the second control unit 912, and the third control unit 913.

[Menu screen]

Referring to Fig. 4, the display unit 92B of the operation panel 92 displays a menu screen of the massage contents. The menu of massage contents has a plurality of stretch modes including the stretching action generated by the massage ball 41. These stretching modes The equation includes the first mode of the first embodiment to be described later, the second mode of the second embodiment, and the third mode of the third embodiment. The stretching mode is mainly the extension of the treatment site defined separately. This stretch is included in each treatment site: "neck stretch", "back stretch", and "waist stretch".

The menu screen of the embodiment is composed of a plurality of menu screens. The person to be treated can switch the menu screen by operating the switch unit 92A (refer to FIG. 2). The menu screen of Fig. 4 is a menu for displaying the selected treatment site. The person to be treated can select "neck", "back" and "waist" by selecting "neck stretch", "back stretch", and "waist stretch" of the menu screen. Either as a treatment site. Further, other menu screens (not shown) include a plurality of extension modes including the first mode of the first embodiment, the second mode of the second embodiment, and the third mode of the third embodiment. The screen used for the stretch mode.

The person to be treated is seated in the massage chair 11, and the operation portion 92 is operated to select the type of the treatment site and the stretching mode. More specifically, the person to be treated selects the desired treatment site from the menu screen of the display unit 92B, and then switches the selection extension mode (first to third modes) to the other menu screens. Thereafter, the start button of the switch unit 92A (refer to FIG. 2) is operated. Thereby, the massage generated by the selected stretching mode is performed on the selected treatment site.

Further, in the implementation of the massage generated by the massage chair 11, each of the airbags is completely exhausted in advance. Further, before the implementation of the massage, the backrest portion 3 is raised, and the footrest portion 5 is in a vertical posture.

[flow chart]

Fig. 5 is a control flow chart in the case where the treatment site and the extension mode are selected. The CPU 91A reads out the program stored in the storage unit 95, and executes the control flowchart shown in Fig. 5.

Hereinafter, a case where the "waist stretch" is selected from the menu screen shown in Fig. 4, that is, the case where the treatment site is "waist" is selected will be described with reference to Fig. 5. Further, before the execution of the control flowchart shown in FIG. 5, the foot carrier portion 5 is held in the vertical state.

The CPU 91A receives the operation content of the operation panel 92, and determines the type of the extension mode selected by the person to be treated (step S1). In other words, the CPU 91A determines the extension mode selected from the selected treatment site (ie, "waist") and the first to third modes in accordance with the operation content. Thereafter, the CPU 91A rotates the foot carrier 5 upward from the vertical state to the horizontal posture (step S3). Hereinafter, the horizontal state of the footrest portion 5 is also referred to as "the initial state of the extension mode". In the initial state of the extension mode, the massage ball 41 is assembled at a predetermined initial position in the backrest portion 3.

Thereafter, the CPU 91A controls the elevating mechanism 42d until the treatment portion 4 is moved by the portion where the determined extension mode is defined (step S5). In the present flowchart, since the "waist stretch" is selected, the treatment portion 4 is moved to the waist.

Here, the movement of the treatment portion 4 up to the waist is performed as follows. In other words, the CPU 91A sets the position of the neck, the shoulder, the shoulder blade, the waist, and the like of the person to be treated from the information of the back tendon line in the person to be treated defined by the pressure sensor 43 and a predetermined arithmetic expression. Defined. By this definition, the treatment portion 4 is moved until the position on the guide rail 32 of the treatment site (waist) of the determined extension mode is determined. Further, the method of detecting each part is not limited to the method of using the pressure sensor 43. For example, the person to be treated may determine the position of the corresponding treatment site (the position on the guide rail 32 of the desired portion) based on the position information of the desired portion manually input from the operation panel 92.

Next, the CPU 91A controls the air generating unit 93 and the air distributing unit 94A to supply air to the airbags of the respective units to expand (steps S7 and S9). The air supply speed of the pump 93A is certainly preferred. When the air supply to the airbags is started, the CPU 91A determines that the predetermined time has elapsed by the timer 91B (YES in step S9), and the air distribution unit 94A transmits the solenoid valves of the airbags from "on". To "closed". By the expansion of the airbag, the completion of the body is detected.

On the other hand, when the predetermined time is determined to have not elapsed (NO in step S9), the process returns to step S7, and the process after the air supply or the like is repeated. After the processing of steps S7 and S9, the foot of the person to be treated is fixed in the initial state of the stretching mode by the inflated foot balloon 52.

Thereafter, the CPU 91A executes the extension control in accordance with the extension mode determined in step S1 (step S11). Specifically, when the first mode is selected, the first control unit 911 performs the extension control in accordance with the control procedure of the first embodiment to be described later. In the case where the second mode is selected, the second control unit 912 performs the extension control in accordance with the control order of the second embodiment to be described later. And, when the third mode is selected At the time of the third control unit 913, the extension control is executed in accordance with the control procedure of the third embodiment to be described later. When the step S11 is completed, the CPU 91A returns the posture of the massage chair 11 to a predetermined posture (for example, the vertical posture of Fig. 1).

[Extension Control]

Regarding the extension control in each of the above-described stretching modes (step S11 in FIG. 5), the first embodiment to the third embodiment and the modifications 1 to 3 are exemplified.

Here, the times T0 to T1 in the control sequence of the sixth, eighth, tenth, twelfth, fourteenth, and seventh drawings are equivalent to the extension control (step S11 of FIG. 5). Steps S7 and S9 of Fig. 5 in the previous stage. Further, in the sixth, eighth, tenth, twelfth, fourteenth, and seventeenth embodiments, the intervals of the time indicated by the control sequence are not particularly limited, and can be appropriately set.

Further, in the seventh, ninth, eleventh, thirteenth, and eighteenth drawings, the portion indicated by the hatching indicates the state in which the airbag 52 and the shoulderbag 62 are inflated by the air supply. The black painted portion is a state in which the massage ball 41 is protruded from the back surface of the backrest portion 3.

[First Embodiment]

The first embodiment will be described with reference to Figs. 6 and 7. In the first embodiment, when the subject is selected to select the first mode, the extension control is performed by the first control unit 911. It is schematically shown in Fig. 6 that the foot airbag 52, the massage ball 41, and the foot carrier 5 of the foot carrier 5 are separately constructed. Correspondence, so that the order of actions or controls is accompanied by the time indicated by the time axis t.

When the first airbag 52 is inflated so that the foot of the person to be treated is held by the first control unit 911, the first control unit 911 controls the protruding mechanism 42c so that the massage ball 41 protrudes, and the foot is carried. The rotating mechanism 53a is controlled in such a manner that the portion 5 is rotated downward. Here, the protrusion of the massage ball 41 and the rotation of the foot carrier portion 5 are preferably performed simultaneously.

In the time T0 to T1, the first control unit 911 controls the air generating unit 93 and the air distributing unit 94A to supply air to the foot airbag 52 of the foot carrier 5 in the horizontal posture to expand (Fig. 7(A) → Figure 7 (B) refers to).

In the time T1 to T2, the first control unit 911 holds the expanded state of the foot airbag 52. Thereby, the foot of the person to be treated placed on the footrest portion 5 in the horizontal posture is held.

In the time T2 to T3, the first control unit 911 controls the protruding mechanism 42c and the rotating mechanism 53a. More specifically, as shown in FIGS. 7(B) and (C), the first control unit 911 controls the protruding mechanism 42c so that the massage ball 41 protrudes in the direction of the arrow AR3, and the foot in the horizontal posture The rotation mechanism 53a is controlled such that the carrier portion 5 is rotated downward (in the direction of the arrow AR1). The first control unit 911 controls the rotation mechanism 53a such that the foot carrier 5 is stopped by a predetermined inclination angle as shown in Fig. 7(C). Further, in the time T2 to T3, the first control unit 911 holds the expanded state of the foot airbag 52.

In the time T3 to T4, the first control unit 911 is a dimension The protruding mechanism 42c is controlled in such a manner that the massage ball 41 is in a state of being protruded. The footrest portion 5 is held at a predetermined inclination angle which is a position higher than the vertical state. Further, the first control unit 911 holds the expanded state of the foot airbag 52.

As described above, in the first embodiment, the portion of the person to be treated that is in contact with the massage ball 41 (in the present embodiment, the waist) is concentrated, and the massage is performed by the protruding massage ball 41. The part of the person is used as a fulcrum, and the upper body of the person to be treated is pushed out to the opposite side of the backrest portion 2 to be bent backward, and the foot (knee) of the person to be treated is flexed and extended from the horizontal posture. Thus, the back (waist) of the person to be treated is stretched by the back bend, and the foot (knee) is stretched by the horizontal posture to stretch the lower body. In other words, the person to be treated can obtain the whole body stretch of the back of the body while receiving the finger pressure of the waist by the massage ball 41.

[Second Embodiment]

The second embodiment will be described with reference to Figs. 8 and 9. In the second embodiment, when the subject is selected to select the second mode, the extension control is performed by the second control unit 912. It is schematically shown in Fig. 8 that the foot airbag 52, the massage ball 41, and the foot carrier 5 are respectively associated with each other, so that the order of actions or control is accompanied by the time indicated by the time axis t.

The second control unit 912 expands the foot balloon 52 so as to hold the foot of the person to be treated. Thereafter, the second control unit 912 controls the protruding mechanism 42c so that the massage ball 41 protrudes, and the foot carrier portion 5 is controlled. The telescopic mechanism 53b is controlled in such a manner that the seat portion 2 is elongated. Thereafter, the rotation mechanism 53a is controlled such that the foot carrier 5 is rotated downward. Here, the protrusion of the massage ball 41 and the elongation of the foot carrier portion 5 are preferably performed at the same time.

In the time T0 to T1, the second control unit 912 controls the air generating unit 93 and the air distributing unit 94A to supply air to the airbag 52 of the foot carrier 5 in the horizontal posture to expand (Fig. 9(A) → Figure 9 (B) refers to).

In the time T1 to T2, the second control unit 912 holds the expanded state of the foot airbag 52. Thereby, the foot of the person to be treated placed on the footrest portion 5 in the horizontal posture is held.

In the time T2 to T3, the second control unit 912 controls the protruding mechanism 42c and the telescopic mechanism 53b. More specifically, as shown in FIGS. 9(B) and (C), the second control unit 912 controls the protruding mechanism 42c so that the massage ball 41 protrudes in the direction of the arrow AR3, and the seat portion 2 faces The telescopic mechanism 53b is controlled such that the direction indicated by the arrow AR2 extends the foot carrier 5. Further, in the time T2 to T3, the second control unit 912 holds the expanded state of the foot airbag 52.

In the time T3 to T4, the second control unit 912 controls the protruding mechanism 42c so as to maintain the state in which the massage ball 41 is protruded. Further, the second control unit 912 controls the turning mechanism 53a so that the protruding state of the massage ball 41 is maintained, and the footrest portion 5 in the horizontal posture is rotated downward (in the direction of the arrow AR1) (Fig. 9 (C) ) → Figure 9 (D) refers to). The CPU 91A rotates the rotation mechanism 53a so that the foot carrier 5 is stopped by a predetermined inclination angle as shown in Fig. 9(D). control. Further, the second control unit 912 holds the expanded state of the foot airbag 52.

As described above, in the second embodiment, the portion of the person to be treated that is in contact with the massage ball 41 (in the present embodiment, the waist) is concentrated, and the massage is performed by the protruding massage ball 41. The part of the person is used as a fulcrum, and the upper body of the person to be treated is pushed out on the opposite side of the backrest portion 2 to be bent backward, and the foot of the person to be treated is extended from the horizontal posture. Further, the foot (knee) of the person to be treated is flexed and stretched from a horizontal posture. Thus, the back (waist) of the treated person is stretched by the back bend, and the foot is extended by the horizontal posture and the foot (knee) is stretched by the flexion and extension. In other words, the person to be treated can obtain the whole body stretch of the back of the body while receiving the finger pressure of the waist by the massage ball 41. In particular, in the second embodiment, after the foot is extended by the horizontal posture, the foot (knee) is stretched and stretched, and the stretching effect of the lower body is further improved.

[Third embodiment]

The third embodiment will be described with reference to Figs. 10 and 11. In the third embodiment, when the third mode is selected by the person to be treated, the extension control is executed by the third control unit 913. It is schematically shown in Fig. 10 that the foot airbag 52, the massage ball 41, and the foot carrier 5 are respectively associated with each other, so that the order of actions or control is accompanied by the time indicated by the time axis t.

The third control unit 913 expands the foot balloon 52 so as to hold the foot of the person to be treated. Next, the third control unit 913 is for the feet to carry After the extension unit 53b is controlled, the extension mechanism 53c is controlled so that the extension mechanism 53c is controlled, and the rotation mechanism 53a is controlled such that the foot carrier portion 5 is rotated downward. Here, the protrusion of the massage ball 41 and the rotation of the foot carrier portion 5 are preferably performed simultaneously.

In the time T0 to T1, the third control unit 913 controls the air generating unit 93 and the air distributing unit 94A to supply air to the airbag 52 of the foot carrier 5 in the horizontal posture to expand (Fig. 11(A) → Figure 11 (B) refers to).

In the time T1 to T2, the third control unit 913 holds the expanded state of the foot airbag 52. Thereby, the foot of the person to be treated placed on the footrest portion 5 in the horizontal posture is held.

In the time T2 to T3, the third control unit 913 controls the telescopic mechanism 53b. More specifically, as shown in FIGS. 11(B) and (C), the third control unit 913 controls the telescopic mechanism 53b so that the seat portion 2 extends the foot carrier portion 5 in the direction indicated by the arrow AR2. . Further, in the time T2 to T3, the third control unit 913 holds the expanded state of the foot airbag 52.

In the time T3 to T4, the third control unit 913 controls the protruding mechanism 42c and the rotating mechanism 53a. More specifically, as shown in FIG. 11(C), the third control unit 913 controls the protruding mechanism 42c so that the massage ball 41 protrudes in the direction of the arrow AR3, and the footrest portion 5 in the horizontal posture is directed toward The rotation mechanism 53a is controlled in such a manner that the lower side (the direction of the arrow AR1) is rotated. The third control unit 913 is configured such that the foot carrier 5 is stopped by a predetermined tilt angle as shown in FIG. 11(D). The rotation mechanism 53a controls. Further, in the time T3 to T4, the third control unit 913 holds the expanded state of the foot airbag 52.

As described above, in the third embodiment, the foot of the person to be treated is extended by the horizontal posture, and then the portion of the person to be treated (in the present embodiment, the waist) that is abutted by the massage ball 41 is concentrated. The finger pressure is applied to the portion of the person to be treated that the protruding massage ball 41 abuts as the fulcrum, so that the upper body of the person to be treated is pushed out toward the opposite side of the backrest portion 2 and bent backward, and the foot of the person to be treated (knee) is made. Flexed from a horizontal position. Thus, the foot is extended by the horizontal posture and only the lower body is stretched, and thereafter, the back (waist) of the treated person is stretched by the upper body, and the foot (knee) is flexed and stretched. The lower body is stretched. In other words, the person to be treated can obtain the whole body stretch of the back of the body while receiving the finger pressure of the waist by the massage ball 41. In particular, in the third embodiment, compared with the first embodiment, the foot (knee) is flexed and stretched and the massage ball 41 is protruded so that the upper body is bent backward, because the foot is in a state of being extended by the horizontal posture. Therefore, it is possible to give a strong stretch to the person to be treated immediately, centering on the waist of the person to be treated.

[Modification 1]

In the first modification example of the first control unit 911, the second control unit 912, and the third control unit 913 shown in the first to third embodiments, after the time T4 in each control order, the massage ball is made. In the state in which the 41 is protruded, the movement of the treatment portion 4 upward may be added within a predetermined massage range. Further, in the respective control sequences of the first to third embodiments Since the respective operations up to the time T0 to T4 are as described above, they are not repeatedly described. In the following, control by the CPU 91A will be described in accordance with the control after the time T4 of the first modification of the first control unit 911, the second control unit 912, and the third control unit 913.

As shown in Fig. 12, between time T4 and time T5, the CPU 91A controls the elevating mechanism 42d so as to move the treatment portion 4 upward in a predetermined massage range. At this time, in the first to third embodiments, the CPU 91A is in a state in which each part of the massage chair 11 is maintained at the time T4. In other words, the CPU 91A controls the protruding mechanism 42c so as to hold the protruding state of the massage ball 41. Further, the CPU 91A controls the air generating unit 93 and the air distributing unit 94A so as to hold the expanded state of the foot airbag 52. Further, the CPU 91A controls the rotation mechanism 53a so as to hold the foot carrier 5 at a predetermined inclination angle, and controls the extension mechanism 53b so as to hold the extension state of the foot carrier 5.

Here, the predetermined massage range is a range along the guide rail 32 of the backrest portion 3, and includes a range corresponding to each of the neck portion, the shoulder, and the waist, and the range in which the treatment portion 4 is movable is determined.

For example, when the "waist stretching" is selected by the menu screen of the massage operation (refer to FIG. 4), the predetermined massage range is a predetermined range from the upper side of the waist. Here, Fig. 13 is a view showing the operation of each part of the massage chair in the case where the first modification is added to the first embodiment. When the "waist stretch" is selected, as shown in Fig. 13 (C), the treatment portion 4 is from the position of the AR5 to the AR6 indicated by the one-point lock line. Move above (in the direction indicated by arrow AR4). The treatment unit 4 is stopped at the position of the AR 6 as shown in Fig. 13 (D).

According to the first modification, when the foot of the person to be treated is held by the foot carrier 5, the protruding massage ball 41 is moved upward from the predetermined range to the backrest portion 3, thereby causing the back of the treated person The extension is such that the upper body stretch is promoted, and a rolling massage can be applied to the predetermined massage range. As a result, the whole body stretching in the first to third embodiments described above can be performed, and the treatment can be performed intensively at a specific portion.

Further, in the case where the "waist stretch" is selected on the menu screen of the massage operation, the predetermined massage range is preferably from the waist to the center of the back or the shoulder. In the case where "back stretch" is selected, the predetermined range of massage is preferably from the center of the back to the shoulder or the neck. In the case where the "neck extension" is selected on the menu screen of the massage operation, the predetermined massage range is preferably from the neck to the upper limit position of the treatment portion 4. Here, the predetermined massage range may be variably set by operating the operation panel 92 by the person to be treated.

[Modification 2]

In the second modification example of the first control unit 911, the second control unit 912, and the third control unit 913 shown in the first to third embodiments, as shown in FIG. 14, after the massage ball 41 is protruded, After the time T4 of each control sequence, the predetermined massage operation may be performed on the massage ball 41. In addition, since the operations from the time T0 to T4 in the first to third embodiments are as described above, they will not be described again. Following, will follow the first control The control after time T4 of the second modification of the system 911, the second control unit 912, and the third control unit 913 is described by the control of the CPU 91A.

As shown in Fig. 14, the CPU 91A is in a state in which the respective units of the time T4 in the first to third embodiments are maintained between the times T4 and T5. In other words, the CPU 91A controls the air generating unit 93 and the air distributing unit 94A so as to hold the expanded state of the foot airbag 52. In addition, the CPU 91A controls the rotation mechanism 53a so as to hold the foot carrier 5 at a predetermined inclination angle, and controls the extension mechanism 53b so as to hold the extension state of the foot carrier 5.

In the second modification, the predetermined massage operation includes the massage operation A and the massage operation B.

The massage action A will be described with reference to Fig. 15. Fig. 15 is a view showing the operation of the massage ball 41 in the massage operation A. The massage operation A starts from a state in which the massage ball 41 protrudes (refer to Fig. 7 (C), Fig. 9 (C), and Fig. 11 (D)).

As shown in Fig. 15, the massage ball 41 is raised in the direction of the arrow DR1 by the elevating mechanism 42d. Next, the massage ball 41 is retracted in the direction of the arrow DR2 by the protruding mechanism 42c. Next, the massage ball 41 is lowered in the direction of the arrow DR3 by the elevating mechanism 42d. Finally, the massage ball 41 protrudes in the direction of the arrow DR4 by the protruding mechanism 42c.

As shown in Fig. 15, the massage ball 41 is a step of repeating the operations of DR1 → DR2 → DR3 → DR4 → DR1. Here, the moving distance of the massage ball 41 displayed by the arrow DR1 is an arrow The moving distance of the massage ball 41 displayed by the DR3 is longer. Therefore, the massage ball 41 (the treatment portion 4) performs the massage operation A while moving upward by the above-described continuous operation.

As described above, in the massage operation A of the second modification, the subject who is subjected to the first to third embodiments can perform continuous rolling treatment while moving the massage ball 41 upward.

Next, the massage operation B will be described with reference to Fig. 16. Fig. 16 is a view showing the operation of the massage ball 41 in the massage operation B. The massage operation B is in a state of being protruded from the massage ball 41 (refer to FIGS. 7(C), 9(C), and 11(D)), and the massage ball 41 is retracted.

As shown in Fig. 16, the massage ball 41 is raised in the direction of the arrow DR1 by the elevating mechanism 42d. The massage ball 41 is an operation of repeatedly protruding in the direction of the arrow AR3 by the protruding mechanism 42c and moving backward in the direction opposite to the direction of the arrow AR3 while moving upward.

As described above, in the massage operation B of the second modification, the subject who is subjected to the whole body stretching of the first to third embodiments can perform continuous shiatsu treatment while moving the massage ball 41 upward.

Further, the second modification may be implemented in combination with the above-described modification 1. In other words, before or after the implementation of the first modification described above, the massage operation A and/or the massage operation B of the second modification may be performed on the massage ball 41.

Further, in the second modification, when the massage operation A or the massage operation B is performed while the massage ball 41 is being performed, the massage operation and the tapping operation are performed. Appropriate plus is also possible.

[Modification 3]

A further modification of the control sequence generated by the first control unit 911, the second control unit 912, and the third control unit 913 as shown in the first to third embodiments is a method of holding the foot of the person to be treated. It is also possible to inflate the foot balloon 52 and expand the shoulder bag 62 in such a manner that the shoulders of the person to be treated are held. In addition, in the case of the first embodiment, the operation of each part of the massage chair in the case of the third embodiment is shown, but the second embodiment or the third embodiment is similarly applicable to the modification. 3.

Referring to Fig. 17, at time T0 to T1, the CPU 91A controls the air generating unit 93 and the air distributing unit 94A, and supplies air to the foot airbag 52 of the footrest portion 5 in the horizontal posture to expand, and the shoulder airbag 62 is given. The gas expands. After the time T1, the CPU 91A holds the expanded state of the foot airbag 52 and the shoulder airbag 62 (refer to Figs. 18(B) and (C)).

According to the third modification, the person to be treated can be stretched all the way while the shoulders are held.

Further, the third modification may be implemented in combination with the above-described modification 1 and/or modification 2.

[Other variants]

In the first to third embodiments described above, the case where "waist stretching" is selected from the menu screen of Fig. 4 has been described, but other parts are selected. In the case where the "back extension" or the "neck extension" is selected, the control of the first to third embodiments described above can be applied similarly.

In a further modification of the first to third embodiments described above, the extension control of the first to third embodiments may be performed in a reclining state in which the backrest portion 3 is tilted rearward. In this case, in a state where the backrest portion 3 is lying down, the entire body of the person to be treated can be elongated in a horizontal state, and a larger whole body stretching effect can be applied to the person to be treated.

Further, in a further modification of the first to third embodiments described above, the reclining operation of the backrest portion 3 may be combined with the rotation of the foot carrier portion 5. Thereby, since the upper body of the person to be treated is bent backward by the reclining operation of the backrest portion 3, the effect of the large whole body stretching can be applied to the person to be treated in addition to the extension of the foot.

Further, in a further modification of the first to third embodiments described above, the foot balloon 52 is inflated so that the foot of the person to be treated is held, and the seat 2 is seated in such a manner that the butt and the thigh of the therapist are lifted. The inflation of the airbag 21 is also possible. Alternatively, the seat bag 21 of the seat portion 2 may be inflated by lifting the buttocks and the thighs of the wearer together with the rotation of the footrest portion 5. Thereby, the foot of the person to be treated is more elongated, and the stretching effect of the lower body can be increased.

[Other embodiments]

In the massage chair 11 of the embodiment of the present invention, the treatment portion of the treatment portion 4 uses a pair of right and left massage balls 41. However, the treatment portion 4 of the embodiment is not limited, and for example, treatment using an airbag (treatment) is used. The ministry is also available. In this case, it is possible to apply an air pressure treatment by the expansion and contraction of the airbag to the person to be treated.

In another embodiment of the present invention, the massage chair 11 may include an interlocking mechanism (not shown) that connects the seat portion 2 and the backrest portion 3. By this interlocking mechanism, the seat portion 2 can be moved in the front-rear direction in conjunction with the reclining motion of the backrest portion 3.

Further, as shown in Fig. 19, the massage chair 12 of another embodiment of the present invention may be provided with a foot carrying portion 500 instead of the footrest portion 5 of the massage chair 11. The other configuration of the massage chair 12 is the same as that of the massage chair 11, and will not be described again.

The footrest portion 500 includes a leg rest portion 510 and a foot rest portion 520. The leg rest portion 510 has a pair of right and left groove portions 511 and a plurality of leg air bags 512 (holding means). The pair of left and right groove portions 511 are sized to receive the lower leg portion from the knee of the person to be treated sitting in the seat portion 2 to the ankle. The plurality of leg air bags 512 are disposed on the inner side surface and the bottom surface of the pair of left and right groove portions 511, respectively.

The foot rest portion 520 has a pair of left and right groove portions 521 and a plurality of foot air bags 522 (holding means). The pair of right and left groove portions 521 are sized to accommodate the two leg portions from the ankle of the person to be treated sitting on the seat portion 2 to the toes. The plurality of leg airbags 522 are disposed on the inner side surface and the sole bottom surface of the pair of right and left groove portions 521.

As described above, the person to be treated sitting in the massage chair 12 is inflated by the airbags 512 and 522, and is not only the calf portion of the two legs, but also the two leg portions including the ankle to the toe. Therefore, in the present invention In the massage chair 12 of the other embodiment, the stretching effect of the lower body of the first to third embodiments described above can be improved, and the effect of the whole body stretching can be further improved.

[Technical Thoughts]

The technical idea of the embodiment of the present invention is as follows. The massage chair includes a seat portion, a backrest portion that is pivotally supported on the rear side of the seat portion, and a footrest portion that is pivotally supported on the front side of the seat portion and that is placed on the foot of the person to be treated, and includes A treatment portion that is applied to at least the backrest portion of the patient to be treated, and a treatment portion that protrudes toward the treatment portion and a control portion that controls the foot carrier portion and the treatment portion separately. Further, the foot carrying portion includes a holding means for holding the foot of the person to be treated, and an extending means for operating the foot of the person to be treated. The control unit controls the holding means such that the foot of the person to be treated is held, and then controls the treatment unit so that the treatment unit protrudes, and (i.e., simultaneously with the control), the foot of the person to be treated is elongated. Elongation means control.

In the massage chair of the embodiment of the present invention, the treatment is performed by the treatment, and the portion of the person to be treated abutted by the protruding treatment is used as a fulcrum, so that the upper body of the person to be treated is facing the opposite side of the backrest portion. It is pushed out and bent back, and the foot of the person to be treated is stretched. Thus, the back of the treated person is stretched by the back bend, and the lower leg is stretched by stretching. That is, the person to be treated can obtain the whole body stretch of the whole body while bending by the treatment.

All the points of the embodiment disclosed herein are merely illustrative. Not a limit. The scope of the present invention is defined by the scope of the claims, and is intended to cover all modifications within the meaning and scope of the claims.

2‧‧‧s

3‧‧‧Backrest

4‧‧‧The Department of Treatment

5‧‧‧foot

6‧‧‧Shoulder Holder

21‧‧‧Airbag

11‧‧‧Massage machine

21a~21c‧‧‧Airbag

32‧‧‧rails

41‧‧‧Sports ball

51‧‧‧Ditch

52‧‧‧ foot airbag

52a~52d‧‧‧Airbag

53‧‧‧Elongation mechanism

53a‧‧‧Rotating mechanism

61‧‧‧Uplift

62‧‧‧ shoulder airbag

91‧‧‧Control Department

Claims (6)

A massage chair includes a seat portion, a backrest portion that is pivotally supported on a rear side of the seat portion, and a footrest portion that is pivotally supported on a front side of the seat portion and that is placed on a foot of a person to be treated And a treatment unit that includes the treatment member that is to be treated by at least the back of the person to be treated, and that is directed toward the backrest portion, the treatment portion that protrudes the treatment member, and a control unit that controls the foot carrier portion and the treatment portion separately. The foot carrying portion includes: a holding means for holding the foot of the person to be treated; and an extending means for operating the foot of the person to be treated, wherein the extending means includes a rotating mechanism for rotating the foot carrying portion up and down, and The expansion/contraction mechanism that extends and contracts the footrest portion with respect to the seat portion, the control portion controls the holding means so as to hold the foot of the person to be treated, and then the treatment portion protrudes from the treatment portion The expansion mechanism is controlled to extend the foot support portion, and then the rotation mechanism is controlled such that the foot carrier portion is rotated downward. A massage chair includes: a seat portion; and a backrest portion that is pivotally supported on a rear side of the seat portion and that is tiltable, and a foot that is pivotally supported on a front side of the seat portion and that is placed on a foot of a person to be treated a carrier portion and a treatment portion including a treatment subject that is to be treated by at least the back of the person to be treated, and which is directed toward the backrest portion, and a treatment portion that protrudes from the treatment member, and controls for controlling the respective foot support portion and the treatment portion The footrest portion includes a holding means for holding the foot of the person to be treated and an extending means for operating the foot of the person to be treated, and the extending means includes a rotating mechanism for rotating the foot carrying portion up and down And a telescopic mechanism for extending and contracting the footrest portion with respect to the seat portion, wherein the control portion controls the holding means such that the foot of the person to be treated is held, and then the foot support portion is extended. After the expansion and contraction mechanism is controlled, the treatment unit is controlled such that the treatment unit is protruded, and the rotation mechanism is controlled such that the foot carrier portion is rotated downward. The massage chair according to claim 1 or 2, wherein the backrest portion includes an elevating mechanism that moves the treatment portion toward a longitudinal direction of the backrest portion, and the control portion further controls the elevating mechanism. The control unit controls the elevating mechanism so that the treatment unit moves upward in a predetermined massage range while the treatment member is protruding. A massage chair according to claim 1 or 2, wherein the control unit is further configured to protrude the treatment member The treatment unit is controlled in such a manner that the treatment unit performs a predetermined massage operation. The massage chair according to claim 1 or 2, wherein the backrest portion has a shoulder holding portion that holds both shoulders of the person to be treated, and the control portion further controls the shoulder holding portion, and the control The portion holds the holding means in such a manner as to hold the foot of the person to be treated, and controls the shoulder holding portion such that the shoulders of the person to be treated are held. A massage chair includes a seat portion, a backrest portion that is pivotally supported on a rear side of the seat portion, and a footrest portion that is pivotally supported on a front side of the seat portion and that is placed on a foot of a person to be treated And a treatment unit that includes the treatment member that is to be treated by at least the back of the person to be treated, and that is directed toward the backrest portion, the treatment portion that protrudes the treatment member, and a control unit that controls the foot carrier portion and the treatment portion separately. The backrest portion includes an elevating mechanism that moves the treatment portion toward the longitudinal direction of the backrest portion, and the foot carrier portion includes a holding means for holding the foot of the person to be treated, and a foot for moving the person to be treated. The elongation means includes: a rotation mechanism that vertically rotates the foot carrier portion; and a telescopic mechanism that extends and contracts the foot carrier portion with respect to the seat portion. The control unit includes the above-described holding means for controlling the foot of the person to be treated, and then controlling the treatment portion and rotating the foot portion downward so that the treatment member protrudes a first control unit controlled by the rotation mechanism; and a method of controlling the holding means such that the foot of the person to be treated is held, and thereafter controlling the treatment portion so that the treatment portion protrudes, and extending the foot carrier portion Controlling the telescopic mechanism, and thereafter, controlling the second control unit controlled by the rotation mechanism and rotating the foot of the person to be treated, the holding means is controlled such that the foot portion is rotated downward, and thereafter The third control unit that controls the rotation mechanism that controls the treatment portion and controls the treatment portion to extend the footrest portion after the extension of the footrest portion is controlled by the extension mechanism; the control The control unit selectively controls the control generated by the first control unit, the second control unit, and the third control unit.