JP2002315801A - Air massaging machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably air-massage a back muscle part by expanding a vertically long air bag and to effectively point-massage a part of the back muscle part of a person to be massaged while air-massaging the back muscle part of the person to be massaged vertically in a long range. SOLUTION: This air massaging machine massages the person to be massaged with air. The machine is provided with a vertically long air bag for air- massaging along the back muscle part of the person. An angular projection part 46 is formed at a part of the vertical direction of the front surface part of this vertically long air bag 2a. The inside of the part 46 is a void 46a, which is communicated with the inside of an air bag 2a. When air is supplied to the bag 2a, the air bag and the part 46 project forward. The air bag 2 having the part 46 is contracted to its original shape before expansion by its self recovering force with exhaustion.

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 performing a compression operation and a compression operation on a human body as a user.

[0002]

2. Description of the Related Art There has been known an air massage machine in which a vertically long air bag is inflated and deflated to air massage a back muscle of a user. However, conventionally, when the vertical air bag is inflated and contracted to air massage the spine of the patient, the vertical air bag is deformed when the air bag is contracted due to exhaustion, and the vertical air bag is compressed. There is a problem that if the treatment is repeated multiple times by inflating by air supply → contracting the vertical air bag by exhaust, the stimulus will be different due to the change in shape. This is not only for air massage of the user's spine up and down in a long range, but also for inflating a vertically long air bag and air massage of the user's back up and down in a long range and at the same time as the user's spine. There has never been a more effective massage of a part of a part.

[0003]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above points, and a vertical air bag can be inflated so that the back muscle can be stably air-massed, and the vertical air bag can be inflated. It is an object of the present invention to provide an air massage machine which can massage a part of the user's back muscle at the same time while effectively massaging a part of the user's back muscle while air massage the back muscle of the user up and down over a long range. Is what you do.

[0004]

Means for Solving the Problems To solve the above problems, an air massage machine according to the present invention is an air massage machine that massages a user with air, and the air massager is applied to the spine of the user. A vertically long air bag for vertically performing air massage is provided, and a protrusion 46 having a mountain shape is provided on a part of the front surface of the vertically long air bag 2a in the vertical direction. The inside of the portion 46 becomes a void 46a, and the void 46a communicates with the inside of the air bag 2a, and when air is supplied to the air bag 2a, the air bag and the mountain-shaped projection 46 project forward,
Air bag 2 having a projection 46 having a mountain shape by exhaustion
It is characterized by contracting to the original shape before bulging by the self-returning force of a. With such a configuration, the shape of the air bag 2a returns to the original state at the time of exhaustion,
When the air is supplied again, the vertically elongated air bag 2a and the projected state of the protruding portion 46 do not change, so that the same massage effect can be given, and the treatment is performed by inflating the vertically elongated air bag 2a. It is possible to massage a part of the user's back muscle at the same time more effectively while air massage the back muscle of the patient in a long range up and down.

A protruding portion 4 for pressing the back is provided above the front portion of the vertically long air bag 2a or at an intermediate portion in the vertical direction.
6 is preferably provided. With this configuration, the vertically elongated air bag 2a is inflated to air massage the back muscles of the user in a vertically long range, and at the same time, a part of the back of the user is more effectively pointed. It can be massaged.

Further, it is preferable to provide a protruding portion 2a for pressing the central portion of the waist below the front portion of the vertically long air bag 2a. With such a configuration, the vertically elongated air bag 2a is inflated to air massage the spine of the user up and down over a long range, and at the same time, the center of the waist of the user is more effectively pointed. It can be massaged.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

As shown in FIGS. 1 and 2, the air massage chair 1 has a seat 4 on which a user sits and a back 5 on which the user rests. In the present invention, a vertically long air bag 2 for the back muscle extends from the lower portion to the substantially central portion in the vertical direction along the center line in the width direction of the front portion of the back portion 5.
a is attached, and air is supplied to or exhausted from the vertically long air bag 2a, so that the user sits on the seat portion 4 and air massages the back muscles of the user with the back on the back 5. I have. Here, the back muscle part starts from the center of the waist of the user at the lower end, so that air massage can be performed from the center of the waist to the back at the lower part of the vertically long air bag 2a. I have.

As shown in FIG. 3, the vertically long air bag 2a is provided with a mountain-shaped protrusion 46 protruding forward at a part of the front surface in the vertical direction. The protruding portion 46 having a mountain shape has a cavity 46a inside, and an opening at the rear of the cavity 46a communicates with the inside of the air bag 2a. When air is supplied to the air bag 2a, the air bag 2a and Mountain-shaped protrusion 4
6 protrudes forward, and has a projection 46 having a mountain shape by exhaust.
The air bag 2a having the self-returning force contracts to its original shape before inflation. In other words, the periphery of the mountain-shaped projection 46 is a bellows portion 55, and the bellows portion 55 and the air bag 2a are in a free state in which no external force is applied.
3 (b), the air bag 2a is contracted as shown in FIG. 3 (c), and when air is supplied, the air bag 2a is expanded as shown in FIG. 3 (d), and the bellows portion 55 is deformed to expand the mountain-shaped projection 46. It protrudes forward. Here, the protrusion 46 has a substantially trapezoidal mountain shape in the embodiment of FIG. 3, but may have a substantially triangular mountain shape, a substantially bowl-shaped mountain shape, or the like.

When the vertical air bag 2a for the back muscle is inflated, the vertical air bag 2a presses the back muscle of the user in the vertical direction to perform air massage. The portion 46 along the back muscle is further compressed in a point manner by the portion 46 so that an effective massage can be performed.
6 is an air bag 2 which evacuates air from the vertically long air bag 2a.
a when it is contracted by its own restoring force,
A part of the body along the spine hits the body, and a more effective massage can be performed. The location of the portion along the back muscle to be pointed and massaged by the projection 46 is determined depending on the position of the upper, middle, or lower portion of the vertically long air bag 2a. That is, when the protruding portion 46 is provided at the upper portion or the middle portion of the vertically long air bag 2a, the back is pointed to the protruding portion 46.
When the protruding portion 46 is provided below the vertically long air bag 2a, the waist center, which is the lower end of the back muscle, is pointedly massaged by the protruding portion 46. In any case, the air bag 2a having the mountain-shaped projection 46 contracts due to the self-returning force due to exhaustion, so that the air bag 2a contracts to its original shape before inflation. The same air-massage effect can be obtained without changing a point-like air massaging part by the protrusion 46 provided on a part of the front of the massaging and air bag 2a in the vertical direction.

An example of an air massage chair 1 provided with a vertically long air bag 2a having a projection 46 for air massage of the back muscle according to the present invention will be described with reference to FIGS. The air massage chair 1 will be described as an example.

FIG. 4 is a perspective view showing the entire air massage chair 1, FIG. 5 is an exploded perspective view, FIG. 6 is a front view, and FIG. 7 is a side view. A diagram is shown and FIG. 8 is a bottom view.

As shown in FIG. 5, the seat portion 4 includes a pedestal 8, a seat frame 9 supported by the pedestal 8, a seat body 6 mounted and mounted on the seat frame 9, and a seat body 6 covered with the seat body 6. And a seat cover 7. The pedestal 8 is provided with a shaft hole 8a, and a shaft 10 suspended from the lower surface of the mounting plate 52 is rotatably fitted and supported in the shaft hole 8a, and the mounting plate 52 is mounted on the lower surface of the seat frame 9. It is fixed by a fixing tool. The seat body 6 is integrally formed with armrests 11 at both ends. In the present embodiment, the seat body 6 having the armrests 11 on both sides is formed by integral molding of a foamed synthetic resin such as urethane. A part or all of the seat body 6 is softened to improve cushioning properties, and the armrest portion 11 is formed to be hard so that a stable armrest can be performed without a separate core material, and is made of a foamed synthetic resin such as urethane. Or part of the part forming the seat body 6 and the armrest 11
By adjusting the amount of urethane to be filled in the portion where the resin is to be formed, it is possible to form such that one part is soft and the other part is hard as described above. In the embodiment shown in FIGS. 5 and 10, only the portion of the rear part of the seat body 6 where the buttocks abut is softened to improve the cushioning property.
Although the hardness is the same as that of 1 and the shape retention of the seat body 6 is improved, the seat body 6 as a whole may be soft and have improved cushioning properties.

The upper surface of the seat body 6 has a high front portion and a low rear portion, so that when sitting on the seat body 6, the buttocks are positioned at a low rear portion and can be stably stably so as not to shift forward. I can do it. The air control unit 13 is housed and arranged by effectively using the portion that is higher than the rear part of the front part of the seat body 6. In the embodiment shown in the attached drawings, the high part of the front part of the seat body 6 is provided. A storage recess 12 is provided on the lower surface of the device, and an air control unit 13 is disposed in the storage recess 12. The air control unit 13 controls the box 1 as shown in FIG.
4, parts related to air control such as an air pump 15, an air valve 16, and a control circuit 17 are housed, and the opening of the box 14 is closed by a lid 18.
4 is attached to the seat frame 9 with a fixing tool such as a screw, and the air control unit 13 attached to the seat frame 9 is mounted on the seat frame 9 as described above. The seat 6 is stored in the storage recess 12 at the front of the seat 6. By storing the air control unit 13 in the seat body 6 made of a foamed synthetic resin such as urethane, the sound and vibration generated in the air control unit 13 are absorbed by the seat body 6 made of the foamed synthetic resin. Air massage can be performed without discomfort.

As shown in FIG. 5, the back 5 is a back frame 1
9, a back body 20 attached to a back frame 19, and a back body 20
A headrest 21 attached to the backrest 20, an air bag 2 or an air bag 2a attached to the backrest 20 or the headrest 21,
0.

The back frame 19 pivotally supports a hole 23a of a projecting piece 23 provided at a lower portion and a hole 24a provided at a projecting portion 24 projecting upward at a rear portion of the seat frame 9 by a shaft 25 so as to be rotatable. Further, the rear end of the cylinder cylinder of the gas spring 26 is supported by the shaft 49 at the lower end of the back frame 19, and the tip of the rod of the gas spring 26 is vertically provided below the front part of the seat frame 9. The downward projecting piece 28 is supported by a shaft. The gas spring 26 is operated by operating a lever 27 attached to the seat frame 9.
The back frame 19 (the back 5) is rotated by operating the lever 27 to rotate the back frame 19 (the back 5) with respect to the seat frame 9 (the seat 4). The falling angle can be adjusted freely,
The back frame 19 (back part 5) can be tilted to a substantially horizontal state.

The back body 20 is formed of a molded product formed by integral molding of a synthetic resin, and is attached to a front portion of the back frame 19 by a fastener such as a screw. The upper part of the back body 20 is provided with a plurality of concave portions which become the engaging portions 30 continuously in the vertical direction, and the central portion of the engaging portion 30 is provided with a vertically long central hole 31 which is long in the vertical direction. On both sides, vertically long holes 32 are provided which are long in the vertical direction.

A finger pinching prevention plate 50 is attached to the center of the front portion of the back body 20 by a clip 60 so as to be vertically movable. A vertically long slot 50a is provided in the center of the upper half of the finger pinch prevention plate 50 in the horizontal direction, and the lower half of the finger pinch prevention plate 50 below the slot 50a is a cover 50c. . On both sides of the finger pinch prevention plate 50, a vertically long slide slot 50b is provided. With the finger pinching prevention plate 50 superimposed on the front part of the back body 20, the sliding long holes 5 on both sides are provided.
0b to the mounting hole 6 of the back body 20.
1, the finger pinch prevention plate 50 is attached to the back body 20 so as to be slidable in the vertical direction. A long hole 50 a provided at the center in the horizontal direction of the upper half portion of the finger pinching prevention plate 50 faces and communicates with the vertically long hole 31 at the center of the back body 20.
Further, with the finger pinch prevention plate 50 attached as described above, both sides in the width direction of the plurality of engaging portions 30 that are vertically continuous are exposed.

A pair of left and right air bags 2 are provided on both sides of a substantially central portion of the front portion of the back body 20 in the vertical direction and on both sides of a lower portion, respectively. The two air bags 2 provided in the back are air bags 2A for the back
The two air bags 2 provided on both sides of the lower part of the back body 20 are the waist air bags 2B. Also, the back 20
A vertically long air bag 2a for the back muscle is attached from the lower part to the substantially central part in the vertical direction along the center line in the width direction of the front part.

Air bag 2A for the back, air bag 2 for the waist
B, with the air bag 2a for the back muscle attached to the front side of the back body 20, the front part of the back body 20 to which the air bags 2A, 2B, 2a are attached is covered by a back cover 22; Reference numeral 22 is attached to the back body 20 by a fixing tool.
The upper part of the back cover 22 is provided with a central long hole 33a provided in the center and the side long holes 33b provided on both sides of the upper part, and the back cover 22 is provided with a plurality of hose through holes 38. The hoses 39 connected to the air bags 2A, 2B, 2a are led out to the back side of the back body 20 through the hose through holes 38, respectively.

As shown in FIGS. 14 and 16, the headrest 21 has such a shape that the width becomes shorter as it goes downward in a side view (that is, the projecting length of the headrest becomes shorter as it goes down). The headrest 21 has a pair of air bags 2 on the left and right sides substantially at the center of the front portion thereof. The air bags 2 provided on the headrest 21 are air bags for the neck and shoulders. 2C. Headrest 2
A substantially T-shaped member 34 having a flexibility such as urethane is attached to the center of the front surface of the head 1 so as to ease the contact of the headrest 21 and to cover and hide the metal fitting of the air bag 2C from the front side. It has become. A headrest cover 35 is covered on the front surface of the headrest 21 to which the neck / shoulder air bag 2C is attached, and the headrest cover 35 is fixed to the headrest 21 by a fixing tool. Bosses 36 project from both sides of the rear surface of the headrest 21 and a cylindrical body 37 projects from the center, and one end of the cylindrical body 37 is opened as a hole 37a on the front side of the headrest 21. . Slightly inside the bosses 36 on both sides of the rear surface of the headrest 21, projections serving as engaged portions 44 are provided. The boss portions 36 on both sides and the engaged portions 44 on both sides are arranged substantially in a horizontal straight line.

The bosses 36 (which are cross-shaped in the embodiment) projecting from both sides of the rear surface of the headrest 21 have side long holes 33b provided on both upper sides of the back cover 22, A vertically long hole 32 is inserted so as to be movable up and down.
As shown in FIG. 14, an annular front contact plate 41 and a coil spring 42 are fitted on a portion of the boss portion 36 protruding from the back body 20. 43, and a screw 4
It is attached by screwing 0. The front end of the coil spring 42, whose rear end is in elastic contact with the rear contact plate 43, is in elastic contact with the front contact plate 41, so that the front contact plate 41
The two vertically elongated holes 32 are in elastic contact with the rear sides of the side edges. In this state, the engaged portion 44 provided on the back surface of the headrest 21
Is engaged with the engaging portion 30 at an arbitrary position in the up-down direction among the plurality of engaging portions 30 provided in the up-down direction on the front surface of the upper portion of the back body 20.

The headrest 21 can be moved up and down in a state where the headrest 21 is slightly pulled forward against the coil spring 42, and the headrest 21 is pulled forward at an arbitrary position in the up and down direction. When the hand is released, the engaged portion 44 engages with the engaging portion 30 at an arbitrary position in the vertical direction by the spring force of the coil spring 42. The tip of the protrusion serving as the engaged portion 44, the engaging portion 3
An arc-shaped chamfered portion 48 (so-called rounded portion) which is chamfered in an arc shape is provided at the opening edge of the concave portion which becomes 0, and the headrest 21 is pulled slightly forward against the coil spring 42 when the lock is released as described above. When the headrest 21 is moved in the up and down direction in the upright position, the up and down movement can be easily performed by sliding of the arc-shaped chamfered portion 48. In this manner, the headrest 21 is slidable up and down and can be fixed at a vertically moving position. Thus, the vertical position of the headrest 21 can be adjusted according to the physical size of the user, and can be set to an optimal position according to the user.

When air is supplied to the neck / shoulder air bag 2C provided in the headrest 21 to press the neck / shoulder of the user and perform treatment, the pressing reaction force is applied to the headrest 2.
In addition to the structure of FIG. 1, the engaged portion 44 fits into the engaging portion 30 so that the engagement is more firm, and the locking force is increased so as not to move up and down. As described above, when the lock is unlocked and moved up and down as described above, the arcuate chamfered portion 48 is provided so that the headrest 21 can be moved up and down with a slight retraction force. This makes it possible to exhibit reliable locking and easy vertical movement operability.

Further, since the projections serving as the engaged portions 44 on both the left and right sides are arranged in a horizontal straight line and are arranged closer to the mounting portion of the coil spring 42, the bending of the coil spring 42 at the time of unlocking remains unchanged. Engaged part 44
The amount of engagement between the engaging portion 30 and the engaging portion 30 is the amount of release, and there is no error, and the release is easy. Also, headrest 2
When the lock 1 is moved up and down and locked again, there is no loss in the retraction force of the coil spring 42, so that the lock can be easily locked.

A cylindrical body 37 protruding from the center of the rear surface of the headrest 21 has a central elongated hole 33a provided at the upper center of the back cover 22, an elongated hole 50a at the finger pinch prevention plate 50, and a vertically elongated central portion at the upper center of the back body 20. A hose 39, which is inserted into the hole 31 so as to be vertically movable and has one end connected to the neck / shoulder air bag 2 </ b> C provided on the headrest 21, is passed through the inside of the cylinder 37 from the front side of the headrest 21, It is led to the back side. By passing the hose 39 through the cylindrical body 37 in this manner,
Even if the headrest 21 is moved up and down, the hose 39 is not stressed or scratched.
9 can be protected.

Here, as described above, the headrest 2
1, the lower part of the vertically long hole 31 at the upper center of the back body 20 is located below the lower end of the headrest 21, and there is a possibility that a finger may be inserted into this part and pinched. Is raised, the cylindrical body 37 provided on the headrest 21 is inserted into the long hole 5 of the finger pinch prevention plate 50.
The finger pinching prevention plate 50 slides upward on the upper edge of the upper pin 0a, and covers the lower part of the vertically long hole 31 at the upper center of the back body 20 by the lower half covering part 50c of the finger pinching prevention plate 50. You can not insert your finger into. On the other hand, when the headrest 21 is lowered, the headrest 2
The cylindrical body 37 provided in 1 descends in the long hole 50a of the finger pinch prevention plate 50 and hits the lower edge of the long hole 50a, and the finger pinch prevention plate 50 is lowered to return to the original state. Headrest 21
Is lowered by the headrest 21 in the vertically elongated hole 31.
Is covered so that you cannot insert your finger.

Bosses 36 projecting from the left and right sides of the rear surface of the headrest 21 and a cylindrical body 37 projecting from the central portion are slidably inserted into the longitudinal holes 31, 32, 32 of the back body 20. Although attached, the vertical position of the boss portion 36 and the cylindrical body 37 are shifted, so that the inclination amount of the headrest 21 can be suppressed with a simple configuration, and the impact force and the unbalanced load on the headrest 21 can be suppressed. Is applied, the force is distributed to the three vertically elongated holes 31 and the vertically elongated holes 32 and 32 from the headrest 21 to increase the rigidity.

The hoses 39 connected to the air bags 2A, 2B, 2C and 2a are respectively led out to the back side of the back body 20 through the hose through holes 38 and the cylindrical body 37 as described above. From the side, it passes through the back side of the seat body 6 and is connected to the air control unit 13 housed in the front part of the seat body 6.

Each of the air bags 2A, 2B, 2C, and 2a expands when air is supplied from the air control unit 13 and contracts when air is removed, thereby air-massing the user. ing. In the present embodiment, the air bags 2A, 2B, 2C, and 2a are configured to self-maintain in a contracted state in a free state in which no external force is applied, and expand by supplying air in the contracted state. When the air is evacuated, the air bags 2A, 2B, 2C, and 2a contract by the self-recovering force of themselves.

A vertically long air bag 2a for the back muscles provided from the lower portion to the substantially central portion in the vertical direction along the center line in the width direction of the front portion of the back body 20 is as shown in FIG. Since the operation has already been described above, the description is omitted.

As shown in FIG. 15, each of the air bags 2A, 2B, and 2C has a bellows-like portion 45 that protrudes toward the user or contracts in a direction away from the user. In the embodiment, the flat bag-shaped air bag 2 has a bellows-like portion 45 in the free state where no external force is applied, and the bellows-like portion 45 is placed in the flat bag-like air bag 2. By supplying air, the bellows-like portion 45 on the front surface of the flat bag-shaped air bag 2 is inflated diagonally forward to project.

The bellows-like portion 45 is an adjacent mountain portion 45a having an annular substantially U-shaped or substantially V-shaped or substantially trapezoidal cross-section.
Are integrally connected at the valley bottom 45b,
The plurality of annular peaks 45a are the peaks 45 having the smallest diameter.
a1 is located at the innermost periphery, the largest diameter peak 45aN is located at the outermost periphery, the smallest diameter peak 45a1 located at the innermost periphery and the largest diameter peak 45a located at the outermost periphery.
N, the diameter is larger than the peak 45a1 and the peak 4
A plurality of peaks 45a having different diameters smaller than 5aN.
2. The peaks 45a3 are sequentially arranged from the smaller diameter to the larger diameter. Moreover, the plurality of annular ridges 45a1, 45a2, and 45a having different diameters are provided.
3. The peaks 45aN are the centers O of the annular peaks 45a.
.., ON are shifted from each other on a straight line connecting the center O1 of the peak 45a1 having the smallest diameter and the center ON of the peak 45aN having the largest diameter in front view as shown in FIG. Position. For this reason, a plurality of peaks 45a1, peaks 45a2,
Crests 45a3... Each of the crests 45aN has a narrower width on one side (left side in FIG. 15) and a larger width on the other side (right side in FIG. 15) in front view. ing. Therefore, when air is supplied into the air bag 2, the bellows-like portion 45 expands obliquely forward as indicated by an arrow in FIG. A portion serving as a protruding tip portion when the bellows-like portion 45 swells as described above, that is,
The treatment element 3 is provided in a portion surrounded by the annular ridge 45a1 having the smallest diameter.

As shown in FIG. 15, the air bags 2A, 2B, and 2C, which are paired on the left and right sides, are located at the center O1 of the peak 45a1 having the smallest diameter in the front view of the pair of air bags 2. (That is, the center O1 of each of the peaks 45a1 having the smallest diameter in the front view of the pair of air bags 2 is shifted toward the center of the back 5 in the left-right direction). Yes) Therefore, when the pair of left and right air bags 2 are inflated, both protrude diagonally inward and forward, and the neck, shoulder, back, Even if the waist is pinched from both left and right sides, a pressing operation and a pressing operation are performed. Here, when the pair of left and right air bags 2C for the neck and shoulder provided on the headrest 21 are inflated as described above, all of them inflate diagonally inward and forward. It is directed downward (in other words, it projects diagonally inwardly forward and downward due to inflation), and a pair of left and right air bags 2C for the neck and shoulder sandwich the neck and shoulder from diagonally inwardly forward and downward. It is able to perform the operation and perform the air massage of the neck and shoulder more effectively.

[0035]

As described above, in the invention according to the first aspect of the present invention, a vertically long air bag for vertically performing air massage along the back muscle of the user is provided. A vertically-shaped air bag is provided with a mountain-shaped protrusion at a part of the front part in the vertical direction, and the inside of the mountain-shaped protrusion becomes a void, and the void communicates with the inside of the air bag. The air bag protrudes forward when air is supplied to the
The self-recovering force of the air bag having a mountain-shaped protrusion due to exhaust causes the air bag to contract to its original shape before inflation, so the shape of the air bag returns to its original state at the time of exhaust, and inflation when air is supplied again The vertical air bag and the protruding state of the protruding portion are not changed, so that the same massage effect can be given and effective air massage can be performed, and the vertical air bag is inflated to be treated. It is possible to massage a part of the user's back muscle at the same time more effectively while air massage the back muscle of the patient in a long range up and down.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, the back is pressed against the upper portion of the front portion of the vertically long air bag or the middle portion in the vertical direction. The protruding part is provided, so that the vertical air bag is inflated and the back muscle of the user is air-massed up and down over a long range, and at the same time, a part of the back of the user is more effectively massaged in a point-like manner. Can be done.

According to the third aspect of the present invention, in addition to the effects of the first aspect, a projecting portion for pressing a central portion of a waist is provided at a lower portion of a front portion of a vertically long air bag. It is possible to inflate a vertically long air bag and air massage the back of the user up and down over a long range while simultaneously massaging the center of the user's waist more effectively in a point-like manner. You can do it.

[Brief description of the drawings]

FIG. 1 is a drawing schematically showing an air massage machine of the present invention, wherein (a) is a front view, (b) is a side view,
(C) is a plan view.

FIG. 2 is an explanatory diagram of a usage state of the above.

FIGS. 3A and 3B show an air bag used in the embodiment; FIG. 3A is a front view, FIG. 3B is a side view before pressurization, FIG. 3C is a cross-sectional view before pressurization, and FIG. FIG. 4 is a side view in a pressurized state.

FIG. 4 is a perspective view of the massage machine of the present invention.

FIG. 5 is an exploded perspective view of the same.

FIG. 6 is a front view of the same.

FIG. 7 is a side view of the same.

FIG. 8 is a bottom view of the above.

FIG. 9 is an exploded perspective view of the air control unit.

FIG. 10 shows the seat body of the above, wherein (a) is a plan view,
(B) is a side view, (c) is a bottom view, and (d)
Is a front view, and (e) is a sectional view.

FIG. 11 is a front view of the back part of the above.

FIG. 12 is a side view of the back part of the same, with a part cut away.

FIG. 13 is a rear view of the same back.

FIG. 14 is a cross-sectional view of a portion where the headrest is attached to a back body.

15A and 15B show the above air bag, wherein FIG. 15A is a front view and FIG. 15B is a cross-sectional view.

FIG. 16 shows a state in which the neck / shoulder of the user is air-massed by the neck / shoulder air bag used in the above.
(A) is a side view and (b) is a plan view.

[Explanation of symbols]

 2a Air bag 4 Seat 5 Back 46 Projection 46a Empty space

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Shinji Tsutsui 1048 Kazumasa Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. 72) Inventor Naomi Kusano 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Works, Ltd. (reference) 4C100 AD02 BB05 BC14 CA04 CA06 DA04 DA06

Claims (3)

[Claims] 1. An air massage machine for massaging a user with air, comprising a vertically long air bag for vertically performing an air massage along the spine of the user. A vertically-shaped air bag is provided with a mountain-shaped protrusion at a part of the front part in the vertical direction, and the inside of the mountain-shaped protrusion becomes a void, and the void communicates with the inside of the air bag. An air massage machine characterized in that when air is supplied to an air bag, the air bag protrudes forward, and contracts to its original shape before inflation by the self-returning force of the air bag having a mountain-shaped protrusion due to exhaustion. 2. The air massage machine according to claim 1, wherein a protrusion for pressing the back is provided at an upper portion of a front portion of the vertically long air bag or at an intermediate portion in a vertical direction. 3. The air massage machine according to claim 1, wherein a protrusion for pressing a central portion of a waist is provided at a lower portion of a front portion of the vertically long air bag.