JPH10151034A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce unnatural feeling such as tiredness at the time of using in a long period by providing a pressure adjusting device for right and left seat part members and adjusting the hardness of the right and left seat part members corresponding to the weight and preference of an individual user. SOLUTION: A chair without legs 1 is provided with the seat members 2a and 2b divided into left and right at its center, each seat part balancing controllers 5a and 5b is attached to the lower parts of the members 2a and 2b, and seat part supporters 9a and 9b and springs 7a and 7b are provided under the controllers 5a and 5b. In addition, pressure adjusting devices 26a and 26b are mounted under them to adjust the hardness of the right and left members 2a and 2b corresponding to the weight and the preference of an individual user by manual or electrical operation. Thereby the hips and buttocks are stimulated to reduce unnatural feeling such as tiredness at the time of using in a long.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cushion, a chair,
The present invention relates to various kinds of sitting tools such as office chairs, vehicle chairs, treatment chairs, and audience chairs, and particularly relates to the most suitable sitting tools when used for a long time.

[0002]

2. Description of the Related Art In recent years, most of various kinds of seats used for various uses such as cushions, seat chairs, office chairs, vehicle chairs, treatment chairs, and audience chairs, most of which are seats. With
It is configured in a shape suitable for the purpose from the viewpoint of human body engineering.

[0003]

However, most of the seats constructed as described above are about how to efficiently hold a human body or relax in accordance with the shape of the human body. The shape and cushioning are designed based on the design, so that the user can not feel the burden such as numbness and fatigue for a certain amount of use time, but there is a limit in suppressing the burden Had occurred.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sitting tool that can reduce discomfort such as fatigue even when used for a long time.

Further, in order to change the use according to the personality of the user, it is used for bedding, cushions, chairs, office chairs, vehicle chairs, treatment chairs, audience chairs, etc.
An object of the present invention is to provide a sitting tool that reduces discomfort such as fatigue even when used for a long time, because the position of the pelvis changes during use.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is that the left and right seat members of the sitting tool swing and interlock with each other.

[0007] Further, the gist is to provide a ischial support member so that the ischial tuberosity is fitted, and to process the seat surface on which the ischial support member is located so that the position of the ischial support member can be externally recognized. .

[0008] Further, by providing a pressure adjusting device on the left and right seat members, the gist of the present invention is that the hardness of the left and right seat members can be adjusted according to the weight and preference of each user.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on embodiments with reference to the drawings.

[0010]

【Example】

(First Embodiment) FIG. 1A is a diagram of a chair 1 of the present invention. FIG. 1B is a view of the inside of the sitting tool as viewed from the front and rear of the chair of the present invention.

In FIG. 1A, the seat members 2a, 2a
b, a chair provided with a backrest 3 and legs 4.

FIG. 14A is a view of a chair 1 according to the present invention. FIG. 14B is a view of the inside of the sitting tool as viewed from the front and rear of the chair of the present invention.

In FIG. 14A, the seat members 2a, 2a
b, a chair with a backrest 3.

In FIG. 1B, the seat members 2a, 2a
b, leg 4, seat balance controller 5a, 5b, spring 7
In FIG. 14B, a seat 7a and 9b are seat chairs 9a and 9b except for the legs 4 in order to reduce the manufacturing unit price. The seat members 2a and 2b and the seat balance control devices 5a and 5b are entirely lowered downward by human pressure, and the cushion is the spring 7.
a and 7b. The springs 7a and 7b may be of any type as long as they can absorb pressure (rubber, balloons, balls, etc.). Also, a not-shown ischial support member 16a,
The seating surface 16b (not shown in FIGS. 1 and 14 but shown in FIG. 9) is provided with a portion 27 which is machined so that the position of the ischial support member can be seen outside.

In FIG. 14, the backrest 3 is removed,
The seat members 2a, 2b can be processed with cotton, urethane foam, sponge, or the like and used as a cushion.

Below the springs 7a and 7b, pressure adjusting devices 26a and 26b are provided, and can be adjusted according to the weight and preference of the occupant.

In the case of manual adjustment of the pressure adjusting devices 26a and 26b, the springs 7a and 7b can be moved up and down by hand so as to press.

In the case of the electric pressure adjusting devices 26a and 26b, the pressure can be adjusted by pneumatic pressure, hydraulic pressure or the like by expansion and contraction drive (using a hydraulic cylinder, a pneumatic cylinder or the like).

The seat members 2a and 2b are substantially separated from each other at the center, and seat balance controllers 5a and 5b are mounted below the seat members 2a and 2b, respectively.
a, 9b. It is more preferable that the seat balance control devices 5a and 5b are provided so as to move in conjunction with each other. Each of the seat members 2a and 2b or the seat balance control devices 5a and 5b is provided with a pressure sensor so as to sense the pressure of the occupant.

When the seat member 2a is tilted outward due to an external force applied to the seat member 2a by the seat balance control devices 5a and 5b, as shown in FIG.
Can be adjusted to tilt in conjunction with the inside. Conversely, when pressure is applied to the inside of the seat member 2b, the seat member 2a can be adjusted so as to tilt outward.

As shown in FIG. 3, when the seat member 2a is inclined outward due to an external force applied to the outside, the seat member 2b
It can be adjusted to tilt in conjunction with the outside. Conversely, when pressure is applied to the outside of the seat member 2b, the seat member 2a
Can be adjusted to tilt inward.

As shown in FIG. 4, when the seat member 2a is tilted outward due to an external force applied to the outside, the seat member 2b can be adjusted so as to be in the same position. Also, the seat member 2
When b is tilted outward due to an external force applied to the outside, the seat member 2
a can be adjusted to stay in the same position (not shown).

As shown in FIG. 5, when the seat member 2a is tilted inward by an external force applied to the inside, the seat member 2b can be adjusted so as to be in the same position. Also, the seat member 2
When b is tilted inward due to an external force applied inside, the seat member 2
a can be adjusted to stay in the same position (not shown).

The above-mentioned control device tilts outward when pressure is applied to the outside, and tilts inward when pressure is applied to the inside, but conversely tilts inward when pressure is applied to the outside. It can also be adjusted to tilt outward when pressure is applied to the inside.

Although the above-described control device controls the left and right pressures, it can also handle the front and rear pressures. For example, when the seat member 2a is tilted forward due to an external force applied to the front, the seat member 2b can be adjusted so as to tilt in conjunction with the front. Conversely, the seat member 2b can be adjusted so as to tilt forward when pressure is applied to the front, and the seat member 2a can tilt forward. Further, when the seat member 2a is tilted forward due to an external force applied to the front, the seat member 2b can be adjusted to tilt in conjunction with the rear. Conversely, the seat member 2b can be adjusted to tilt forward when pressure is applied to the front, and the seat member 2a can be adjusted to tilt rearward. Further, when the seat member 2a is tilted forward due to an external force applied to the front, the seat member 2b can be adjusted so as to be in the same position. Also, the seat member 2b
Is tilted forward due to an external force applied forward, the seat member 2a
Can be adjusted to stay in the same position. FIG.
As shown in (2), when the seat member 2a is inclined rearward by an external force applied to the rear, the seat member 2b can be adjusted so as to be in the same position. Further, when the seat member 2b is tilted rearward due to an external force applied rearward, the seat member 2a can be adjusted so as to be in the same position (not shown).

The control device tilts forward when pressure is applied to the front, and tilts backward when pressure is applied to the rear, but tilts backward when pressure is applied to the front. When pressure is applied to the rear, it can be adjusted to tilt forward. In addition, the upper and lower exercises can be exercised in various combinations in the same manner as described above. It is to be noted that the present invention is not limited to the interlocking pattern of the embodiment, and various patterns can be combined.

The seat balance control devices 5a and 5b can electrically control various movements of the seat members 2a and 2b in response to pressure. And the seat part balance control devices 5a, 5
b can be easily balanced and interlocked by incorporating a pressure sensor.

The seat balance control devices 5a, 5b
It is better to use a pressure sensor. However, as shown in FIG. 6, the seat balance control devices 5a and 5b are provided with pressure absorbing members such as springs such as r, s, t, u, v, w, x, y, and z. , The seat members 2a and 2b can also be balanced. Then, depending on the person using the chair and the use of the chair, the pressure absorbing members r, s, t, u, v, w, x,
By changing the repulsive force of y and z, it can be used in various ways.

(Second Embodiment) FIG. 7 is a view of the interior of the seat as viewed from the front and rear, and shows the seat members 2a and 2b, the leg 4, the seat balance control devices 5a and 5b, the lever member 6, and the spring 7a. ,
7b, a smooth member 8, and a fulcrum member 10.

The seat members 2a and 2b are divided substantially at the center, and seat balance controllers 5a and 5b are mounted below the seat members 2a and 2b, respectively. Then, the seat member 2a, 2b or the seat balance control device 5a,
5b, each is provided with a pressure sensor so as to sense the pressure of the occupant.

A lever member 6 is mounted below the seat balance control devices 5a and 5b. A lubricating member 8 is provided at a substantially central portion of the lever member 6 to smooth the seesaw movement. The seat member 2 is moved by the seesaw motion.
a, 2b can be transmitted to the opposite seat members 2a, 2b, respectively.

The smooth member 8 and the fulcrum member 10 are processed into a form that can be properly engaged.

A fulcrum member 10 is provided so as to be in close contact with the smooth member 8. The springs 7a and 7b are mounted below the lever member 6. The springs 7a, 7b
Can be mounted at any position where it can serve as a cushion for the seat members 2a and 2b.
It is sufficient that a and 7b are objects (rubber, ball, ball, etc.) that can serve as a cushion. Although not shown, pressure adjusting devices 26a and 26b can also be mounted.

The seat balance control devices 5a, 5b, springs 7a, 7b, etc., which do not hinder the seesaw movement, need not be provided (not shown).

In FIG. 7, the same components as those in the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

This embodiment may be combined with the above embodiment in any manner.

(Third Embodiment) FIG. 8 is a view of the interior of the seat viewed from the front and rear, showing the seat members 2a and 2b, the lever member 6,
The fulcrum member 10, the seat pillars 11a and 11b, and the fixing member 1
FIG. 2B is an enlarged view of FIG.

The lever member 6 is joined to the fulcrum member 10 so as to perform a seesaw movement. Then, they are joined by the center member 14. Further, in (B), the seat support 11a is joined to the lever member 6 in such a manner that it can move vertically up and down (like a crank).

The seat members 2a and 2b and the fixing member 12
A pressure absorbing member 15a, such as a spring, rubber,
5b, the pressure from the seat members 2a, 2b
It is transmitted gently to the opposite seat members 2a, 2b. Further, pressure absorbing members 15a, 15b such as springs, rubbers, balls and the like may be attached to the seat pillars 11a, 11b and the lever member 6, respectively (not shown).

In the enlarged view (B), when the seat member 2a is lowered, the seat column 11a is lowered and enters the hole 24 formed in the fixing member 12, and the cotton, sponge, foam, rubber, etc. Of the cushion material 25 of FIG.

Although not shown in FIG. 8A, in the enlarged view (B) of FIG. 8, a pressure adjusting device 26a is provided below the pressure absorbing member 15a. , Individual weight difference, seat member 2 depending on preference
The hardness of a can be adjusted.

In FIG. 8, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. And although the pressure balance device is not described, it is better to wear it.

This embodiment may be combined with the above embodiment in any manner.

(Fourth Embodiment) FIG. 9 is a cross-sectional view as viewed from the side, in which the seat members 2a and 2b are provided with the ischial support members 16a and 16a, respectively.
6b are formed and are concave so that the ischial bones of the human body can be accommodated.

Parts formed so that the ischial tuberosity of the human body fits in the seat members 2a and 2b, and the ischial support members 16a and 16b.
By providing b, when the user sits on the chair, it fits the chair. Also, the seat members 2a, 2b
Is equipped with a device 18 which can be moved back and forth by a seat moving device 17 depending on a sitting style, a skeleton or the like, and which can perform the seesaw motion. In addition, contrary to FIG. 9, a moving device 17 for moving the seat back and forth may be brought under the device 18 capable of performing the seesaw movement (not illustrated).

In FIG. 9, the same components as those of the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted. And although the pressure balance device is not described, it is better to wear it.

This embodiment may be combined with the above embodiment in any manner.

(Fifth Embodiment) FIG. 10 is a view showing the interior of a sitting tool viewed from the front and rear.

When the seat member 2a is lowered by the Pascal member 19, the seat members 2a and 2b are moved according to the principle of Pascal.
When b rises and conversely, when seat 2b lowers, seat 2a rises.

The structure of the Pascal member 19 conforms to the principle of Pascal, and a fluid such as a liquid or a gas enters the Pascal member 19.

Further, between the seat balance control devices 5a and 5b and the Pascal member 19, springs 7a and 7b for absorbing an impact are provided.
(In the drawing, any object may be used as long as it is a helical spring but absorbs an impact (for example, a leaf spring, rubber, a ball, etc.)). Also, the springs 7a, 7b
The position can be any place where the shock can be absorbed. Although not shown, pressure adjusting devices 26a and 26b can also be mounted.

In FIG. 10, the same components as those of the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

This embodiment may be combined with the above embodiment in any manner.

(Sixth Embodiment) FIG. 11 shows seat members 2a and 2a.
FIG. 6 is an overall view of the chair 1 on which a seat 19 is wound so as to cover the chair 1; As a result, even if the occupant drops the object, the object does not fall down, and there is no dirt such as dust between the seat members 2a and 2b.

FIG. 12 is a cross-sectional view from the front and rear view of FIG. 11, and a material 20 serving as a cushion such as sponge or urethane foam is provided between the seat members 2a and 2b and the seat 19. This reduces the frictional force due to the seat pressure between the seat members 2a and 2b and the seat, so that the seat 19 and the seat member 2
The durability of a and 2b is enhanced.

The sides and corners 21 of the seat members 2a, 2b
Since the cutting force of the seat members a and 21b increases when a seat pressure is applied, the sides of the seat members 2a and 2b and the corners 21a and 21b are rounded. In addition, the durability of the seat 19 is further increased by stiffening the seat portions 22a and 22b in contact with the sides and corners of the seat members 2a and 2b.

Since FIGS. 11 and 12 have the same configuration as that of the above embodiment, the description thereof will be omitted. This embodiment may be combined with the above embodiment in any manner.

(Seventh Embodiment) FIG. 13 shows the seat members 2a and 2a.
The thigh contact portion b is processed in accordance with the thigh.

The front portions A of the seat members 2a and 2b are formed with dies 23a and 23b which are cut out in accordance with the thighs so that the thighs of the occupant are stabilized. As a result, the weight of the ischial tuberosity due to the fit of the thigh can be more dispersed, the seesaw movement can be made smoother, and the durability of the chair itself can be increased. In addition, by providing a portion formed to accommodate the ischial tuberosity of the human body and the ischial support portions 16a and 16b, the user can fit the chair when sitting on the chair.

In FIG. 13, the other parts are the same as those in the above embodiment, and the description thereof is omitted. This embodiment may be combined with the above embodiment in any manner.

Note that the above-mentioned seating equipment includes a cushion, a bedding, a chair,
It can be used as a sitting tool only with a built-in device without processing it into a chair or the like.

[0062]

As described above, in the sitting tool according to the present invention, the left and right seat members are moved by the pressure of the opposite seat members.
Changing the position of the seat member on the opposite side, pushing up the seat member, changing the posture of the occupant more, and stimulating the buttocks of the human body, so that even if you use it for a long time, you will feel discomfort such as fatigue Can be reduced.

Further, by using the present invention for a cushion or a chair, the production cost is reduced and the storage is excellent as compared with a chair. And, the production cost could be further reduced by using the above-mentioned sitting tool as a sitting tool only with the built-in device without processing it into a cushion, a bedding, a chair, a chair or the like.

[Brief description of the drawings]

FIG. 1 (A) is a chair of the present invention. (B) It is the figure of the inside of the sitting tool seen from the front and back of the chair.

FIG. 2 is a diagram showing movement of a seat viewed from the front and rear surfaces.

FIG. 3 is a view of the movement of the seat viewed from the front and rear surfaces.

FIG. 4 is a view of the movement of the seat viewed from the front and rear surfaces.

FIG. 5 is a view of the movement of the seat viewed from the front and rear surfaces.

FIG. 6 is a pressure absorbing member.

FIG. 7 is a view of the inside of the sitting tool as viewed from the front and rear surfaces of the sitting tool.

FIG. 8A is a view of the inside of the sitting tool as viewed from the front and rear surfaces of the inside of the sitting tool. (B) It is the enlarged view seen from the front and back surface inside the sitting tool.

FIG. 9 is a cross-sectional view as seen from the side of the chair.

FIG. 10 is a view of the internal device as viewed from the front and rear surfaces of the chair.

FIG. 11 is a view in which a seat member of the present invention is covered with a seat.

FIG. 12 is a sectional view as seen from the front and rear surfaces of the chair.

FIG. 13 is a view of a seat member of the sitting tool.

FIG. 14A is a sitting tool of the present invention. (B) It is the figure of the inside of a sitting tool seen from the front and back surface of the sitting tool.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Chair 2a, 2b ... Seat member 3 ... Backrest 4 ... Leg 5a, 5b ... Seat balance control device 6 ... Lever member 7a, 7b ... Spring 8 ... Smooth member 9a, 9b, 11a, 11b ... Seat Post 10: Support member 12: Fixing member 13: Crank 14: Central member 15a, 15b: Pressure absorbing member 16a, 16b: Sciatic support portion or ischial support member 17: Seat moving device 18: Device capable of seesaw movement 19 ... Pascal member 20 ... Cushion material such as sponge, urethane foam, etc. 21a, 21b ... Rounded sides of seat member and corners 22a, 22b ... Sheet portion of seat member and portion of sheet in contact with corner 23a, 23b: a mold cut through to the thigh 24: a hole 25: a cushion material 26: a pressure adjusting device 27: a position of a sciatic support portion or a sciatic support member Seat surface processed so that it can be seen A: In front of seat member

Claims (15)

[Claims] 1. A sitting tool wherein the seat members move left and right independently, and the left and right seat members are movable. 2. The chair according to claim 1, wherein the seat members move left and right independently, and the left and right seat members are movable. 3. A sitting tool wherein the left and right seat members swing. 4. The chair according to claim 1, wherein the left and right seat members swing. 5. A sitting tool, wherein the seat member has a pressure adjusting device. 6. The sitting tool according to claim 1, wherein each of the left and right seat members has a cushion material such as a spring. 7. A sitting tool wherein the left and right seat members are connected by a lever member. 8. A sitting tool wherein the left and right seat members are connected by a lever member, and the lever member includes a seesaw movement smoothing member. 9. The seat member is provided with a ischial support portion, wherein the seat member is provided with a ischial support portion. The sitting tool described in the above. 10. A sitting tool comprising: a seat member provided with a ischial support portion; and a seating surface on which the ischial support member is located is processed so that the position of the ischial support member can be recognized from the outside. 11. A seating tool wherein the left and right seat members swing, and the left and right seat members are transmitted by the principle of Pascal. 12. The left and right seat members are covered by a seat. 12. The method according to claim 10, wherein the left and right seat members are covered by a seat. The sitting tool according to claim 8, claim 9, claim 10, or claim 11. 13. The left and right seat members are formed so as to follow the thigh of a human body. The sitting tool according to claim 8, claim 9, claim 10, claim 11, or claim 12. 14. A sitting tool wherein the left and right seat members are interlocked with each other. 15. A seating tool wherein the left and right seat members swing, and a smooth member and a fulcrum member serving as a fulcrum of the seesaw movement are processed into a form that engages.