JP3012780B2 - Air massage machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air massage machine for massaging a lower leg of a user sitting on a chair body by inflating and deflating an air bag.

[0002]

2. Description of the Related Art For example, a boot type shown in FIGS. 6 to 9 has been conventionally known as an air massager for massaging a foot. The main body 1 has a substantially L-shape when viewed from the side by connecting a leg storage portion 1a in which a leg A is inserted and a leg storage portion 1b in which a leg B is inserted.
It has. The tip of the foot storage section 1a and the upper end of the lower leg storage section 1b are each opened. The legs are put in and out of the main body 1 through the upper end opening of the lower leg storage portion 1b.

As shown in FIGS . 7 and 8 , a first air bladder 2 disposed at the bottom and a pair of second air bladders 3 disposed at the side are mounted on the inner surface of the foot storage portion 1a. Have been. As shown in FIGS. 7 and 9 , a third air bag 4 is provided on the inner surface of the lower leg storage portion 1 b so as to substantially turn around the inner surface.
Is installed. Each of the air bladders 2 to 4 is connected to an air supply / exhaust device 6 via a tube 5 (see FIG. 6 ) passing through a distal end opening of the foot storage portion 1a. The air supply / exhaust device 6 supplies and exhausts air to and from the air bags 2 to 4 to inflate and contract the air bags 2 to 4.

When such a boot type air massage machine is used, legs are inserted into the inside thereof as shown by a two-dot chain line in FIG. What is necessary is just to expand and contract 2-4.
Thereby, the sole and upper of the foot A can be massaged by the first and second air bladders 2 and 3, and the lower leg B can be massaged by the third air bladder 4.
You can massage around the calf.

[0005]

However, since the conventional one is of a boot type, the legs have to be put in and out of the main body 1 having a cylindrical shape , so that there is a problem that handling is troublesome. In particular, the foot A pushed by the first air bladder 2 is used to massage the foot A.
Since it supports by the wall on the upper side of "a" and thereby enables the massage with the first air bladder 2, even if the lower leg storage part 1b can be omitted, the problem of taking the foot A in and out of the main body 1 is troublesome. is there.

A first object of the present invention is to provide an air massage machine which can be easily handled .

A second object of the present invention is to provide an air massage machine capable of improving a massage effect in addition to the first object.

[0008] A third object of the present invention is to provide an air massage machine which can massage from more directions in addition to the first object.

[0009]

In order to achieve the first object, an air massage machine according to the present invention comprises: a chair body having a seat and a backrest;
Side and attached to the chair body, and both side walls
And an intermediate wall.
And the front and rear ends open, under the user sitting on the chair body.
A pair of treatment recesses capable of accommodating a limb are formed, and the intermediate wall is formed.
Air bags for the legs are attached to both sides of the
Legs with air bladders attached to the inner surfaces of both side walls
These are provided in communication with the mounting portion and the air bladder for each leg.
Air supply / exhaust device for supplying / exhausting air to / from the air bag for legs
And a device.

In order to achieve the second object,
Air massager according to the invention of claim 2, the front portion of the lower limb up to compression of the air bag the leg relative to the lower limbs of the user contained in the treating recess, which is located on the open upper surface of the treating recess The air bladder for the leg is arranged on the side surface of the concave portion so as to be in contact with.

Further, in order to achieve the third object,
The air massage machine according to the invention of claim 3 is characterized in that the bottom air
A bag disposed on the bottom surface of the treatment recess,
In implementing the present invention,
The bottom air space is later than the time when the inflation of the leg air bag is completed.
The inflation of the sachet should be completed.

[0012]

[Action] Oite to the configuration of claim 1, the front side of the seat
The placed leg rest has both side walls and an intermediate wall.
The pair of treatment recesses between these walls is
Since the rear ends are open, the user sitting on the chair body
Put both lower limbs into the treatment recess from above the leg rest.
It can be easily accommodated, and from the treatment recess for the same reason.
The lower limbs can be easily put out. And inside the leg rest
Mounted on both sides of inner wall and inner side of both sides respectively
With the air bladder for the leg, with the lower leg
-By repeatedly expanding and contracting by the operation of the air supply and exhaust device,
Simultaneously compress and relax both lower limbs from the side. So
Thereby, massage can be performed. In the configuration according to claim 2, when the leg air bladders respectively attached to the side walls and the intermediate wall are inflated, the maximum compression portion is accommodated in the treatment concave portion, and the treatment concave portion in the lower limb of the user. Is pressed against the front side portion located on the open top side of. Thereby, the leg air bag, the lower limb in its expansion force presses the bottom side of the treatment recess, leg is prevented from being lifted to the open top side of the treatment recess, to securely hold the leg in treatment in the recess At the same time, the leg is pressed from the side.

Further, in the configuration of the third aspect, the intermediate device
The air bladders for the legs respectively attached to the wall and both side walls press the lower limb accommodated in the treatment recess from the side direction, and the bottom air bladder attached to the bottom surface of the treatment recess is the lower limb accommodated in the treatment recess. Is pressed from the bottom side of the treatment recess. In such a compression operation, in the case of the configuration of the fourth aspect, the air bladder for each leg completes inflation earlier than the air bladder at the bottom. Thereby, the intermediate wall and both side walls
The air bladders for the legs respectively attached to the legs prevent the lower limbs accommodated in the treatment recess from being pushed toward the open upper end of the treatment recess when the bottom bladder is inflated.

[0014]

EXAMPLES The following exemplary of the present invention with reference to FIGS. 1 to 5
An example will be described.

A chair body as a massage machine body indicated by reference numeral 21 in FIG. 1 showing the overall structure of the chair type air massage machine according to this embodiment has a seat portion 22 and a backrest portion 23.

The seat 22 is provided with a support frame 21a of the chair body 21.
A pair of left and right (only one is shown) plate-like supporting legs 21b having lower ends connected to each other are provided substantially horizontally between upper ends of the supporting legs 21b, and armrest portions 22a are provided on both sides in the width direction. The backrest 23 is provided at the rear end of the seat 22 at a predetermined angle with respect to the seat 22.
In the present invention, the armrest portion 22a may be omitted, and the backrest portion 23 may be provided with a reclining motion seat portion 2a.
2 may be provided so as to be able to be turned upside down.

A thigh air bladder 24 for massaging the thighs of the user sitting on the chair body 21 is provided at the front of the seat 22, and the buttocks of the user are provided at the rear of the seat 22. An air bag 25 for butt is provided for massaging. The air bags 24 and 25 are formed into a thin and long flat bag using a soft material while having airtightness, and are disposed so as to extend in the width direction of the seat portion 22, respectively. The air bladders 24 and 25 expand and contract with the supply and exhaust of compressed air to the air bladders 24 and 25, which will be described later.

At the lower end of the backrest 23, waist air bladders 26a and 26b for massaging the waist of the user are disposed, and at the upper end of the backrest 23, the neck and shoulder of the user are provided. Air bags 28a and 28 for neck and shoulder massage
b is provided. Further, the backrest portion 23 is provided with back air bladders 27a and 27b positioned below the neck and shoulder air bladders 28a and 28b to massage the back of the user. Air bag 27a, 2
A back air bladder 29 for massaging the back muscles of the user is disposed between the back bladder 7b and the waist bladders 26a and 26b.

A pair of waist bladders 26a, 26b, a pair of neck and shoulder bladders 28a, 28b, and a pair of back bladders 27a, 27b are juxtaposed in the width direction of the backrest portion 23, respectively. . The air bag 29 for the back muscles is located at the center in the width direction of the backrest portion 23 and the longitudinal direction (longitudinal direction) of the backrest portion 23.
And is provided so as to correspond to the position of the back of the user.

Each of these air bladders 26a, 26b, 27a,
27b, 28a, 28b, and 29 are air bags 2
It is airtight and has a flat bag made of a soft material like 4 and 25, and expands and contracts with the supply and exhaust of compressed air. The chair body 21 in which the air bladders are arranged as described above is covered with a flexible outer cloth 30a, and the outer surface of the support leg 21b covered with the outer cloth 30a is provided. A storage section 31 having a pocket shape is provided. A remote controller 56 described later as an input unit is inserted into and held in the storage unit 31 so as to be insertable and removable.

A leg rest 32 is connected to the front end of the chair body 21. The mounting portion 32 is positioned immediately below the front ends of both armrest portions 22a of the chair body 21 and has a pair of support legs 21.
It is attached to a pivot 34 that is laid horizontally across "b" and is connected to the front end of the seat 22.

The leg mounting portion 32 is provided so as to be rotatable around, for example, a pivot 34, and is provided so as to be positioned at a plurality of inclination angles by positioning means such as a ratchet mechanism (not shown). . Thus, although not shown, the leg mounting portion 32 is connected to the front end of the seat portion 22, is inclined downward to the front thereof, is projected forward and positioned, and can be fixed at this position.
When the user sits on the floor, the legs can be placed on the leg placement portion 32 in an inclined arrangement. FIG. 1 shows a state in which the leg placement portion 32 is housed and arranged at the lower part of the front end of the chair body 21.

The leg mounting portion 32 has side walls 32a and 32b on both sides in the width direction, and has an intermediate wall 32c at a center position in the width direction. Each of these walls 32a-3
2c is a parallel, substantially U-shaped treatment recess 32d between adjacent side walls 32a, 32c, and adjacent side walls 32b, 3c.
A substantially U-shaped treatment concave portion 32e is formed between 2c. The treatment concave portions 36d and 36e have a configuration in which the upper surface and both ends in the longitudinal direction (both front and rear ends) are opened, and are used for storing and supporting the lower limb f of the user therein. The treatment concave portions 36d and 36e are formed to have a size capable of storing substantially the entire cross-sectional size in the thickness direction at an arbitrary portion of the lower limb f (see FIG. 4 ).

The treatment concave portions 36d and 36e are respectively formed on the side surfaces of the concave portions of the side wall 32a and the intermediate wall 32c and the concave portions of the side wall 32b and the intermediate wall 32c.
Are provided with first air bladders 35a, 35b, and 36a, 36b for massaging the lower limb f stored and placed in the lower limb. These air bags 35a, 35b, 36a, 3
6b is formed into a flat bag using a soft material while having the same airtightness as the air bags 24 and 25,
It expands and contracts with the supply and exhaust of compressed air.
It is formed in such a size as to wrap the lower limb f from both sides when inflated.

The first air bladders 35a, 35b, 3
6a and 36b are the lower limbs f of the user stored in the treatment recesses 36d and 36e when they are fully inflated ( FIG.
4 ) (see FIG. 3 ) is disposed so as to be in contact with the front side portion of the lower limb f (the range is indicated by reference numeral fa in FIG. 4 ).

Each of the air bags 35a, 35b, 36 of this embodiment
a, 36b are provided, for example, with their four corners, or both upper and lower edges fixed to the side surfaces of the concave portion, so that the maximum compression portion D It appears at a height position of about 1/2. On the other hand, as described above, the treatment concave portions 36d, 36d
The size of e is formed to be able to accommodate substantially the entire cross-sectional size of the lower limb f in the thickness direction.

In order to realize the above arrangement under such conditions, the maximum pressing portion D is provided in the treatment recess 36.
d, 36e so that each air bag 3 is positioned on the open top side.
5a, 35b, 36a and 36b are arranged. Each of the air bladders 35a, 35 into the treatment recesses 36d, 36e.
In the arrangement of b, 36a, 36b, the maximum pressing portion D of these air bags is １ ／ of the depth of the treatment concave portions 36d, 36e.
If it is provided so as to be located at the open upper end side of the treatment concave portions 36d, 36e from the position of the depth of the airbags 35a, 35b, in most cases regardless of the thickness of the lower limb f,
At the time of maximum inflation of 36a, 36b, the maximum pressing portion D can be pressed against the front side portion fa of the lower leg f of the user stored in the treatment concave portions 36d, 36e.

However, in practice, the first air bag 35 for the leg is used.
a, 35b, 36a, 36b, when assuming the largest limb that can be accommodated in the treatment recesses 36d, 36e, the treatment recesses 36d, 36e are larger than the contact equivalent portions between the virtual lower limbs and the side surfaces of the recesses. May be set so that the maximum pressing portion D is positioned at the upper end of the opening. By doing so, when the air bags 35a, 35b, 36a, 36b are inflated to the maximum, the maximum pressing portion D can be pressed against the front side portion fa of the lower leg f of the user stored in the treatment concave portions 36d, 36e. .

Further, on the bottom surfaces of the treatment concave portions 36d and 36e, second leg air bags 37a and 37b as bottom air bags for massaging the lower limbs stored and placed in these concave portions 36d and 36e from the back side. Installed individually. These air bladders 37a, 37b are provided with a treatment recess 36d,
The first air bag for leg 35a, 35b, 36a, 36b is completed to be inflated later than the completion of inflation of the first air bag for leg 35a, 35b, 36a, 36b. To shift the timing of the completion of the inflation, the second air bladder 37 for the leg is shifted.
a, 37b to the first air bladders 35a, 35b, 3
Although it may be larger than the volumes of 6a and 36b, in the present embodiment, it is realized by controlling the air supply timing by an air supply / exhaust device described later.

The leg mounting portion 32 is provided with the air bags 35a, 35b, 36a, 36b, 37 arranged as described above.
a, 37b are covered with a flexible outer cloth 30b.

Leg air bags 35a, 35b, 36a, 36
Although not shown, b, 37a, 37b and other non-leg air bags have air supply / exhaust ports to which corresponding air supply / exhaust pipes 45 to 52 (see FIG. 5 ) are respectively connected as described later . I have. These tubes 45 to 52 are made of a flexible air tube such as a soft vinyl tube.

The lower part of the chair body 21, that is, the seat part 22
A unitized air supply and exhaust device 53
Is arranged. This device 53 includes an air compressor 38 and a filter tank 3 as shown in FIG.
9, a distribution switch 41, electromagnetic switching valves 42 and 43, and a control device 44.

More specifically, the air compressor 38 is used as compressed air supply means, and a filter tank 39 is connected to the compressed air discharge port via a supply pipe 54. The filter tank 39 is used for absorbing the pulsation of the compressed air supplied from the air compressor 38 and smoothing the compressed air flow. A supply pipe 55 is connected to the outlet of the tank 39, and the supply pipe 55 has two branch supply pipes 55a and 55a.
b. One end of one branch supply pipe 55a is connected to a distribution switch 41 as air distribution means, and the other end of the other branch supply pipe 55b is further branched and individually connected to electromagnetic on-off valves 42 and 43 as valve means. ing.

The distribution switch 41 is a rotary valve driven by a well-known motor or the like used in this type of pneumatic massage machine, and has one intake port to which the branch supply pipe 55a is connected, and each supply port. It has a plurality of distribution ports to which the exhaust pipes 45 to 50 are individually connected, and one exhaust port, and the distribution port and the intake port arbitrarily selected by the rotation of the flow path switching rotor. And the unselected distribution port is communicated with the exhaust port so that selective air supply and selective exhaust for each non-leg air bag can be performed.

An air supply / exhaust pipe 45 is connected to the thigh air bag 24, and an air supply / exhaust pipe 46 is connected to the tail air bag 25,
The supply / exhaust pipe 47 is further branched to form the waist air bag 26.
a, 26b, the air supply / exhaust pipe 48 is connected to the back air bag 29, and the air supply / exhaust pipe 49 is further branched and connected individually to the back air bags 27a, 27b. 50 is further branched and individually connected to the neck and shoulder air bladders 28a and 28b.

A supply / exhaust pipe 51 for a leg is connected to the solenoid on-off valve 42. This pipe 51 is a pair of branch supply / exhaust pipes 51a, 5a, 5b.
1b. One branch air supply / exhaust pipe 51a is further branched and individually connected to the first air bladders 35a, 35b for the leg, and the other branch air supply / exhaust pipe 51b is further branched to a first air bladder 36a, 36b for the leg. Connected individually. The solenoid on-off valve 42 has an exhaust port that allows only the first air bags 35a, 35b, 36a, 36b to communicate with the atmosphere when the flow path is closed.

Similarly, a leg supply / exhaust pipe 52 is connected to the electromagnetic on-off valve 43, and this pipe 52 is connected to a pair of branch supply / exhaust pipes 5.
It branches into 2a and 52b. One branch supply / exhaust pipe 5
2a is connected to the second leg air bag 37a, and the other branch air supply / exhaust pipe 52b is connected to the second leg air bag 37b. The solenoid on-off valve 43 also has an exhaust port that allows only the second air bags 37a and 37b to communicate with the atmosphere when the flow path is closed.

The control device 44 as control means includes a central processing unit CPU (not shown), a read-on memory R
It comprises a well-known microcomputer including an OM, a random access memory ROM, and the like. The control device 44 stores programs for executing various operation modes, and controls the operations of the air compressor 38, the distribution switch 41, and the electromagnetic on-off valves 42 and 43 according to the selected operation mode. It is configured to selectively supply and exhaust air to and from each air bag.

The various operation modes include an operation mode for each of a full body massage course, an upper body massage course, and a lower body massage course, and body parts such as neck, shoulders, back, back muscles, hips, hips, thighs, and legs. A point massage operation mode for massaging alone, and a leg-synchronous operation mode for simultaneously executing the leg point massage operation mode for each of the point massage operation modes other than the course-specific operation mode and the leg point massage operation mode are set. ing. Each operation mode is input by the remote controller 56.

In the chair type massage machine having the above structure,
When the leg synchronous operation mode is designated by the remote controller 56, the electromagnetic on-off valves 42 and 43
4 is opened. Moreover, in this case, the control device 44 sets the electromagnetic on-off valve 43 for the leg second air bags 37a, 37b to the leg first air bags 35a, 35b, 36a,
Control is performed so as to open later than the electromagnetic on-off valve 42 for 36b.

In this state, the leg rest 32
Each air bag 35a, 35b, 36a, 36b, 37a,
In addition to the massage for the leg (lower limb) of the user sitting on the chair due to the inflation / contraction of 37b, the air bag 24 or 25 of the seat 22 and the air bag 26a of the backrest 23,
26b, 27a, 27b, 28a, 28b, and 29
At least one (one type) of the bladders is inflated and deflated at the same time, and a massage is applied to the body part corresponding to the position of the selected bladder.

In this massage operation, the air compressor 38 is operated intermittently. During the operation, the selected air bladders are inflated, and when the operation is stopped, the selected air bladders are contracted. Therefore, each air bag 35a, 35b, 36a, 36 of the leg placement portion 32
b, 37a, and 37b and the selected non-leg bladder are inflated simultaneously and simultaneously begin to deflate under the weight of the body.

By the way, when the leg mounting portion 32 is used alone or in the leg synchronous operation mode, the first air bladders 35a, 35b, 36a, 36b attached to the side surfaces of the treatment concave portions 36d, 36e. When swells,
These maximum pressing parts D press against the front part fa located on the open upper surface side of the treatment concave parts 36d, 36e of the user's lower limb f accommodated in the treatment concave parts 36d, 36e, and press the lower limb f. Therefore, these air bags 35a, 35b,
36a and 36b are used to treat the lower limb f by the expansion force.
Press on the bottom side of d and 36e.

Thus, the first air bladders 35a, 35
b, 36a, 36b, the lower extremity f
It is prevented from being pushed out so as to be lifted to the open upper surface side of d and 36e. Thus, the treatment recess 36d, 3
Compression can be applied to the lower limb f securely held in 6e from the side direction. Since the lower limb f does not escape in this way, a reliable and effective massage can be performed.

The first air bladders 35a, 35b, 36 for the legs attached to the side surfaces of the treatment recesses 36d, 36e.
In addition to being able to press the lower limb f in the treatment recesses 36d, 36e from the side direction by the inflation of the treatment recesses 36d, 36e, the expansion of the second air bladders 37a, 37b for the legs attached to the bottom surfaces of the treatment recesses 36d, 36e. The calf portion of the lower limb f in the treatment concave portions 36d and 36e can be pressed from the bottom surface side of the treatment concave portions 36d and 36e. As described above, in the leg placing portion 32 provided in the air massage machine of the present embodiment, the lower limb f can be reliably pressed and massaged from various directions.

In addition, each of the leg air bags 35a, 35b,
In the compression operation on the lower limb f by the 36a, 36b, 37a, and 37b, the control device 44 advances the opening timing of the electromagnetic on-off valve 42 faster than the opening timing of the electromagnetic on-off valve 43, and the first air bladder 35a, 35b, The completion of the inflation of 36a, 36b is made earlier than the completion of the inflation of the second air bladders 37a, 37b for the legs.

Therefore, the second air bags 37a, 37b for the legs
As the lower limb f accommodated in the treatment recesses 36d, 36e receives a pushing force toward the upper open end of the treatment recesses 36d, 36e, the lower limb f in the treatment recesses 36d, 36e is pressed from the side. First air bag for legs 35a, 35
b, 36a, 36b can be used as stoppers to hinder the extrusion, so that the lower leg f
36e so as not to be pushed out to the open upper surface side.
Therefore, the lower limb f in the treatment concave portions 36d and 36e can be surely pressed from various directions to perform a reliable and effective massage.

[0048]

As described in detail above, according to the first aspect of the present invention, the leg placing portion disposed on the front side of the seat portion of the chair body.
Has both side walls and an intermediate wall, and these side walls and the intermediate wall
Between the treatment recesses with the top and front and back ends open.
On both sides of the intermediate wall and on the inner sides of both sides.
Since the air bag for each leg is attached,
The lower leg of the user sitting on the chair body
For easy handling and air supply / discharge
The leg space that repeats inflation and contraction based on the operation of the pneumatic device
Both lower limbs housed in a pair of treatment recesses by a bladder
Can be massaged from the side at the same time. According to the invention of claim 2, in addition to achieving the first object, the lower limb of the user accommodated in the treatment concave portion can be used for each leg.
Since the lower limb is held by the air bag so as not to be pushed out to the open upper surface side of the treatment concave portion and can be reliably pressed from the side by the air bag, the massage effect can be improved.

Further, according to the invention according to claim 3, in addition to being able to achieve the first object, it is possible to compress the leg contained in the treatment recess from the bottom side of the lateral and treatment recess, wherein Like the invention according to item 4.
In this case, the stopper function of the air bag for each leg can prevent the lower limb accommodated in the treatment concave portion from being pushed out toward the open upper end of the treatment concave portion along with the inflation of the bottom air bag. The lower limbs can be compressed and massaged.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a chair type air massage machine according to one embodiment of the present invention.

FIG. 2 is equipped with a chair type air massage machine according to one embodiment .
The perspective view which shows the structure of the leg mounting part which can be obtained .

FIG. 3 is an exemplary front view showing the configuration of the leg placement unit shown in FIG . 2 ;

FIG. 4 shows the configuration of the leg mounting portion shown in FIG .
FIG . 2 is a front view showing a state in which the lower limb stored in the stomach is pressed .

FIG. 5 is a view illustrating each air bag of the massage machine according to one embodiment .
FIG . 2 is a block diagram showing a compressed air supply and exhaust system .

FIG. 6 is a side view showing an air massage machine according to a conventional example .
FIG .

FIG. 7 shows the use state of the air massage machine according to the conventional example .
FIG .

FIG. 8 is a sectional view taken along the line ZZ in FIG . 6 ;

FIG. 9 is a sectional view taken along the line YY in FIG . 6 ;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... Body, 12 ... Air bag, 13 ... Air supply / exhaust device, 14 ... Side wall, 15 ... Intermediate wall, 14a, 15a ... Side surface, 16 ... Treatment concave part, 21 ... Chair body 22 ... Seat part, 23 ... Backrest part 32: footrest portion, 32a, 32c ... side wall, 32 b ... intermediate wall, 35a, 35b, 36a, 36b ... leg bladder, 36d, 36e ... treatment recesses, 37a, 37b ... bottom bladder, 44 ... control Device (control means), 53: Air supply / exhaust device, D: Maximum compression part of the first air bag for legs, F: Lower leg of user, fa: Front part of lower leg.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiromitsu Ichikawa 43, Horiyamashita, Hadano-shi, Kanagawa Prefecture Inside Tech Hadano Plant (72) Inventor Katsumi Inaba 43-Horiyamashita, Hadano-shi, Kanagawa Prefecture Inside Tech Hatano Plant, 72) Inventor Kenji Otsuka 43, Horiyamashita, Hadano City, Kanagawa Prefecture Inside Tech Hadano Plant (56) References JP-A-6-197934 (JP, A) Jikaichi Sho 59-100410 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A61H 7/00 A47C 7/50

Claims (4)

(57) [Claims] A chair body having a seat portion and a backrest portion; and a chair body arranged at the front side of the seat portion and attached to the chair body.
, Two side walls and an intermediate wall.
Sit on the chair body with the top and front and rear ends open between
A pair of treatment recesses that can accommodate the lower limb of the user are formed,
When air bags for legs are respectively attached to both side surfaces of the intermediate wall,
In both cases, air bladders for legs are also attached to the inner surfaces of both side walls.
The leg mounting portion and the air bladder are provided in communication with the leg air bladders.
An air supply and exhaust device that supplies and exhausts air to and from the chair. 2. The lower leg of a user housed in the treatment recess.
2. The air bag for a leg according to claim 1, wherein a maximum pressing portion of the air bladder for the leg with respect to the lower side of the lower limb located on an open upper surface side of the treatment concave portion is in contact with a front side portion of the lower leg. 3. Air massage machine. 3. A bottom air bag is disposed on the bottom of the treatment recess.
The air massage machine according to claim 1 or 2, wherein 4. A timing is later than the time when the inflation of the leg air bag is completed.
The inflating of the bottom bladder is completed.
Item 4. An air massage machine according to item 3 .