JPH10151033A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce unnatural feeling such as tiredness at the time of using in a long time by attaching each seat part balancing controller to a pair of seat part members divided at its center and providing each pressure sensor at the seat part members or the seat part balancing controllers to sense the pressure of a setting person. SOLUTION: This chair 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, each pressure sensor is provided for each member 2a and 2b or each controller 5a and 5b so as to sense the pressure of the siting person. Thereby, by varying and pushing up the positions of the right and left members 2a and 2b, the posture of the sitting person can be varied. Then unnatural feeling such as tiredness is reduced even at the time of using in a long time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various chairs such as office chairs, vehicle chairs, treatment chairs, and audience chairs.
Particularly, it relates to an optimal chair for long-time use.

[0002]

2. Description of the Related Art In recent years, most chairs used for various purposes such as office chairs, vehicle chairs, treatment chairs, and audience chairs are provided with a seat and a backrest. It is configured in a shape suitable for the purpose from an engineering point of view.

[0003]

However, most of the chairs constructed as described above have a problem in how to efficiently hold a human body or relax in accordance with the shape of the human body. Because the shape and cushioning are designed based on this, it is possible to prevent the user from feeling burdens such as numbness and fatigue for a certain amount of use time, but there is a limit in reducing the burden I was

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

[0005]

In order to achieve the object, the right and left seat members are slidable and interlocked with each other.

[0006]

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

[0007]

【Example】

(First Embodiment) FIG. 1A is a diagram of a chair 1 of the present invention. FIG. 1B is a cross-sectional view of the chair of the present invention as seen from front and rear.

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

In FIG. 1B, the seat members 2a, 2a
b, leg 4, seat balance controller 5a, 5b, spring 7
a, 7b and the seat support 9a, 9b. The seat members 2a and 2b and the seat balance control devices 5a and 5b are entirely lowered by human pressure, and the cushions are the springs 7a and 7b. The springs 7a and 7b may be any material that can absorb pressure (rubber, balloon, etc.).

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 an external force is applied to the outside of the seat member 2a and the seat member 2a is tilted outward, 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.

Further, as shown in FIG. 4, when the seat member 2a is inclined 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 inclined inward due to an external force applied to the inside, the seat member 2b can be adjusted so as to stay at 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 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 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 sectional view seen from the front and rear, and shows seat members 2a and 2b, legs 4, seat balance control devices 5a and 5b, lever members 6, springs 7a and 7b,
The smooth member 8 and the 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.

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.

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 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.

(Third Embodiment) FIG. 8 is a cross-sectional view as viewed from the front and rear, showing the seat members 2a and 2b, the lever member 6, the fulcrum member 10, the seat posts 11a and 11b, the fixing member 12, and the crank 13. (B) is an enlarged view of (A).

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 FIG. 8, 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.

(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 ischial support portions 16a and 16a, respectively.
b is formed and is concave so that the ischial bone of the human body is accommodated.

The parts formed so that the ischial tuberosity of the human body fits in the seat members 2a and 2b, and the ischial support parts 16a and 16b.
By providing the seat, when the user sits on the chair, the chair fits. Also, the seat members 2a, 2b
It is equipped with a device 18 that can be moved back and forth by a seat moving device 17 depending on a sitting style, a skeleton or the like, and 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 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.

(Fifth Embodiment) FIG. 10 is a sectional view seen from 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 is such that the principle of Pascal is established, and a liquid, a gas or the like enters the Pascal member 19.

Further, springs 7a, 7b for absorbing impact are provided between the seat balance control devices 5a, 5b and the Pascal member 19.
(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.

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

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

(Sixth Embodiment) FIG. 11 shows the 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 and 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 is 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 that 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.

Since FIG. 13 has the same configuration as that of the above embodiment, the description thereof is omitted. This embodiment may be combined with the above embodiment in any manner.

[0049]

As described above, in the chair of 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.

[Brief description of the drawings]

FIG. 1 (A) is a chair of the present invention. (B) It is sectional drawing seen from the front and back of a 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 sectional view as seen from the front and rear surfaces of the chair.

FIG. 8 is a sectional view as seen from the front and rear surfaces of the chair.

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

FIG. 10 is a sectional view as seen 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 a chair.

[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 17: Seat moving device 18: Device capable of seesaw movement 19: Pascal member 20: Material serving as a cushion such as sponge, urethane foam, etc. 21a, 21b: rounded sides of seat member and corners 22a, 22b: sides of seat member, and portions of sheet in contact with corners 23a, 23b: thighs A type that cuts through according to A. Front of seat member

Claims (9)

[Claims] 1. The chair according to claim 1, wherein the seat members are left and right isolated, and the left and right seat members are movable. 2. The chair according to claim 1, wherein each of the left and right seat members swings. 3. The chair according to claim 1, wherein each of the left and right seat members has a cushion such as a spring. 4. The chair according to claim 1, wherein the left and right seat members are connected by a lever member. 5. The chair according to claim 1, wherein the left and right seat members are connected by a lever member, and the lever member includes a seesaw movement smoothing member. 6. The chair according to claim 1, wherein the seat member includes a ischial support. 7. The chair according to claim 1, wherein the left and right seat members swing, and the left and right seat members are transmitted by the principle of Pascal. 8. The chair according to claim 1, wherein the left and right seat members are covered by a seat. 9. The front surface of the left and right seat members is formed so as to follow a human thigh.
The chair according to 8.