JP2003000381A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair which enables the aged, the disabled, the sick, etc., to safely stand up from and sit on and to put on/off a shoe and to touch around a foot in a sitting condition. SOLUTION: This chair 1 has at least a seat part 2 and leg parts 3, 4 to support the seat part 2. Rearward sloping slope parts 13 are equipped on the lower front end parts of the leg parts 3, 4 so that the seat part 2 is sloped front-down by forward body weight movement of a person sitting on the seat part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair, and more particularly to a chair which is convenient for persons with disabilities, sick persons, and the elderly.

[0002]

2. Description of the Related Art Conventionally, there are various types of chairs. For example, a general chair used in each home is basically a seat on which a person sits down, legs supporting the seat, and a backrest. Part and armrest part. Then, the person sitting on the seat sits on the seat, leans on the backrest, and sits on the armrests to watch TV or read a book.

[0003]

In the above-mentioned conventional chair, the legs are formed so as to abut on the installation surface in a stable state, so that the sitting is stable for both normal and sick persons and disabled persons. You can sit down.

However, when trying to stand up from a chair, there is no problem for a healthy person, but for a sick person or a physically handicapped person who has a problem with his / her legs, hands, arms, etc. It was difficult to stand up from a chair by myself because I had to strongly support myself to wake myself up, and there was a concern that I might lose my balance and fall.

Further, in a conventional chair, a person with a physical disability, etc., leans forward when sitting on the conventional chair when putting on or taking off shoes by tying or loosening a cord or touching his / her feet. I couldn't do these things without my painful attitude.

Further, in a chair which is formed so as to be swingable in the front and rear, when a person stands up while holding the armrest portion of the chair, it certainly leans forward due to the forward movement of the weight of the person sitting on the seat portion,
When a little unbalanced, it swings and leans backward a lot, which is dangerous for the elderly and people with disabilities.

The present invention was developed in view of the above points, and an object thereof is to enable an elderly person, a physically handicapped person, a sick person, etc. to stand up safely and comfortably when standing up from a chair, and It is an object of the present invention to provide a chair that can be carried out in a comfortable posture such as when putting on and taking off shoes or touching the feet while sitting on the chair.

[0008]

In order to effectively achieve the above object, the present invention has the following structure. That is, the chair of the present invention according to claim 1 is a chair having at least a seat portion and a leg portion that supports the seat portion, and the seat portion is formed by forward weight movement of a person sitting on the seat portion. In order for the leg to be tilted downward through the leg, a rearwardly inclined portion is provided at the lower end of the front part of the leg.

A chair of the present invention according to claim 2 is a chair,
In a chair having at least a leg portion that supports this seat portion, a protrusion that protrudes forward from the front member of the leg portion is provided at the front portion of the lower member of the leg portion, and the user sits on the seat portion. The lower member is provided with a slanted portion which is slanted downward from the projecting portion so that the seat portion is slanted forward and downward through the leg portion when the weight of the person moves forward.

The chair of the present invention according to claim 3 is the chair according to claim 1.
Alternatively, in the chair according to the present invention as described in 2, the upper part of the front side of the leg part is provided with an upper inclined part inclined downward to the front, and a handrail is provided on the upper inclined part.

The chair of the present invention according to claim 4 is the chair according to claim 3.
In the chair of the present invention described above, the handrail has a semi-annular or arcuate shape.

The chair of the present invention according to claim 5 is the chair according to claim 1.
Alternatively, in the chair of the present invention described in item 2, a handrail is detachably provided on the front upper portion of the leg portion.

A chair of the present invention according to claim 6 is the chair according to claim 1.
The chair of the present invention according to any one of to 5 is characterized in that a non-slip member is provided on the inclined portion.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 are views relating to an example of a chair according to the present invention, in which a chair 1 shown in the drawing has a seat portion 2, leg portions 3 and 4 on both sides supporting the seat portion 2, and leg portions 3, 4, a handrail 5 provided on the upper side of 4 and horizontal rods 6 and 7 that bridge the front and rear portions of both leg portions 3 and 4 to assist in supporting the seat portion 2 with both leg portions 3 and 4. An abutment rod 8 provided so as to hit a person's waist, a reinforcing rod 9 laid across the center of the lower portions of both legs 3, 4, and a slip prevention member 10 provided at the lower ends of both legs 3, 4. It is composed of and.

More specifically, the seat portion 2 has a substantially square shape in a plan view and is covered with a cover 11 formed of cloth, synthetic leather, resin sheet material, or the like in which a cushion material is provided. The seat portion 2 in this example is upholstered with urethane vinyl leather.

Both legs 3, 4 are rectangular or substantially square frame-like members assembled by an upper member 18a, a lower member 18b, a front member 18c, and a rear member 18d and having the same shape and size, and the rear member 18d. Has a protruding portion 12 protruding upward from the upper part of the. The two legs 3, 4 are connected at the upper side of the front by a horizontal rod 6 and at the upper side of the rear by a horizontal rod 7 (see FIG. 2).
It is connected with. The mounting positions of the both side rods 6 and 7 are at the same height position with respect to the both leg portions 3 and 4.

An abutment rod 8 is bridged over the projecting portion 12 on the rear side of both leg portions 3, 4. Further, as described above, the reinforcing rod 9 is bridged over the center of the lower portions of both leg portions 3, 4.

At the lower front end of the lower member 18b of both legs 3, 4, the weight of the person sitting on the seat 2 moves forward, so that the seat 2 is lowered forward through the legs 3, 4. An inclined portion 13 that can be tilted is provided. This inclined portion 13
In the so-called normal case in which both legs 3 and 4 are placed on the floor surface 14 or the like (see FIG. 3), they are formed so as to incline backward from the tip 15 at the lower end of the front part, and It is provided on the lower member 18b of each leg 3, 4 so that a triangular gap is formed. The inclined surface 16 of the inclined portion 13 is flat.

Of course, as described above, the gap with the floor surface 14 is
A right triangle shape is preferable, but an equilateral triangle shape may be used.
Further, as another example, the inclined surface 16 may be curved slightly downward, or may be formed in a continuous corrugation or an uneven shape. Further, the slanted portion 13 extends downward from the front end 15 in the illustrated example.
(Refer to FIGS. 2 and 3) It is also possible to form the slope to the rear side or to change the design so that the slope is formed from the front end 15 to the rear side and before the illustrated example. The inclination angle of the inclined portion 13 is preferably about 15 °, but may be another angle.

A non-slip member 10 such as a rubber plate or a resin plate formed with concavities and convexes is attached near the tip portion 15 of the inclined portion 13. Of course, the chair 1 may not have the anti-slip member 10. In addition, the non-slip member 10 is
It may be one that can be fitted and fixed in a fitting hole or groove (not shown) formed in the inclined portion 13. Further, the anti-slip member 10 can be freely provided on a position other than the illustrated position of the inclined portion 13 or on the front surface.

On the front side of the upper member 18a of both leg portions 3 and 4, there is provided an upper inclined portion 17 which is inclined forward and downward so as to form a right triangle space. A semi-annular or arc-shaped handrail 5 formed so as to be easily gripped is fixedly provided on the upper inclined portion 17.

Of course, the shape of the handrail 5 is not limited to the shape shown in the figure, and may be another shape. The inclination of the upper inclined portion 17 is slightly different from the inclination of the lower inclined portion 13, and the clearance space in the shape of a right triangle has a higher inclination than the inclined portion 13.
7 is bigger. Of course, the inclination of the upper inclined portion 17 may be appropriately changed to another angle.

In the above chair 1, a person sitting on the seat, such as a disabled person, a sick person or an elderly person, sits down on the seat 2 and rests, watches TV or reads a book, and then stands up and stands up. When it is attempted to move away from the seat 2, the entire chair 1 is tilted forward by the slant portion 13 by slightly leaning forward from the state of sitting on the seat portion 2 and moving the center of gravity to move the weight forward. As a result, the buttocks of the person sitting on the seat are pushed upward and forward, which makes it easier to stand with the feet on the floor surface 14, and even persons with disabilities can easily stand up from the chair.

Also, by holding the handrail 5 when the chair 1 leans forward as described above, it is possible to stand up safely without falling forward. Furthermore, since the handrail 5 has a semi-annular or arcuate shape, it is easy to grip, and since it is provided on the upper sloped portion 17 in the front lowering direction, by grasping it when standing up, the upper body naturally moves forward and moves the weight. it can.

FIG. 4 shows another example of the chair 1 of the present invention (for convenience,
The reference numeral is the same as the above example), and the chair 1 of this example
Then, as in the above example, the upper sloped portion 17 (see FIG. 1) is not provided on the front upper portions of the both leg portions 3 and 4, the upper member 18a is a straight member, and the handrail 5 (see FIG. 1). ) Also does not have. The other configurations are the same as those in the above example, and the same reference numerals are given to omit the description.

When the chair 1 also stands up, it is possible to lean the chair 1 forward and move the weight forward to move the weight forward, so that the slanted portion 13 can be tilted forward so that the chair 1 can easily stand up. You can

FIG. 5 shows a chair 1 of the present invention (a reference numeral is the same as the above example for the sake of convenience) of another example of the present invention. In the chair 1 of this example, as shown in the above example, both legs 3, 4 are provided. Does not have the upper inclined portion 17 (see FIG. 1) on the front upper side of the upper member 18
Reference numeral a is a straight member, and straight short handrails 20 are detachably provided with screws 19 on the side surfaces of the front upper portions of both leg portions 3 and 4. The handrail 20 projects upward from the upper member 18a to an appropriate height.

By holding the handrail 20 when sitting on or standing up from the chair 1, it is possible to sit and stand safely and comfortably. Further, when an obese person uses this chair 1, by removing the handrail 20, the person can sit comfortably without being disturbed by the handrail 20. The rest of the configuration is the same as in the above example, and the same parts are designated by the same reference numerals and the description thereof is omitted.

FIGS. 6 to 8 are views relating to a chair 1 of another example of the present invention (for convenience, reference numerals are the same as those of the above example). The chair 1 of this example has a front end 2a and / Alternatively, each lower member 18b has a protrusion 21 that protrudes forward from the front end faces 3a, 4a of the front members 18c of the legs 3, 4. When the weight of the person sitting on the seat 2 moves forward, the seat 2 is tilted forward and backward through the legs 3 and 4, and the rearwardly downward inclined portion 13 includes the above-mentioned protrusions 21 at the lower portions. It is provided on the front lower end 22 of the member 18b. The front projections 21 from the front end faces 3a, 4a of the front members 18c
The protruding length of is not particularly limited and may be an appropriate length. Moreover, the shape of the protrusion 21 may be another shape. Further, the angle of the slanted portion 13 may be any angle as long as the person sitting on the seat portion is not thrown forward when the chair 1 leans forward. ..

In the case of the chair 1 of this example, the front end 2 of the seat portion 2 is
a and / or the front end face 3 of the front member 18c of the leg portions 3 and 4
Since it has a protrusion 21 that protrudes forward from a, 4a, when a person sitting on the seat 2 stands up, wears or removes shoes, or touches his / her feet, Even if the (center of gravity) is moved forward and the chair 1 is tilted forward, the forward movement of the chair 1 (movement in the rotation direction) is caused by the forward movement of the user's foot and the protruding portion. When 21 touches the floor surface 14, it becomes more difficult to rotate forward than the chair 1 shown in FIG. Therefore, it is possible to use the chair 1 with peace of mind without the person sitting on the seat being thrown forward by the inclined momentum of the chair 1. Of course, the other actions and effects are the same as those of the chair (see FIG. 1) of the above-mentioned example, and the description thereof will be omitted. The rest of the configuration is the same as that of the chair 1 according to the present invention shown in FIGS. 1 to 3 described above, and the same parts are designated by the same reference numerals and the description thereof will be omitted.

The chair 1 shown in FIG. 9 has a structure in which the above-mentioned protrusion 21 is added to the structure of the chair shown in FIG. Other configurations are the same as those of the chair 1 according to the present invention shown in FIG. 4, and the same portions are denoted by the same reference numerals and the description thereof will be omitted. Further, the operation and effect are similar to those of the chair 1 shown in FIGS. 4 and 6 described above, and the description thereof will be omitted.

The chair 1 shown in FIG. 10 has a structure in which the above-mentioned protrusion 21 is added to the structure of the chair shown in FIG. Other configurations are the same as those of the chair 1 according to the present invention shown in FIG. 5, and the same portions are denoted by the same reference numerals and the description thereof will be omitted. Also,
The effect is similar to that of the chair 1 shown in FIGS. 5 and 6 described above, and the description thereof will be omitted.

The chair of the present invention is not limited to the above-described example, and the legs are not composed of a pair of legs, and have a cubic or rectangular parallelepiped box shape or other various shapes. It has an inclined portion that tilts the chair forward when the weight (center of gravity) moves forward when a person sitting on the seat 2 stands up, and also has the above-mentioned protruding portion. May be.

[0034]

As is apparent from the above description, when the chair of the present invention stands up, the weight of the person sitting on the seat moves forward and the seat tilts downward due to the slanted portion. People with disabilities, elderly people, and sick people who sit in the club can easily get up from the chair. In addition, the chair of the present invention leans forward and downward when the user puts on and takes off shoes, touches his / her feet, etc. due to the weight shift to the front. You can do these things in different postures.

Further, since the leg portion has the projecting portion projecting forward, even if the chair is tilted forward due to the weight shift when standing up, the tilting force of the chair is braked by the projecting portion projecting forward. Therefore, it is possible to reliably prevent the person sitting on the seat from being thrown forward, and it is possible to use this chair with peace of mind.

Further, since the handrail is provided on the upper inclined portion of the leg portion, when the user stands up from the chair, the handrail is gripped so that the body of the person sitting on the seat naturally bends forward. Move your weight to the front. Therefore, a person, such as a physically handicapped person, an elderly person, or a sick person, who is sitting on a seat can comfortably stand up from the chair by moving his weight forward on the chair and tilting the seat downward. Furthermore, since you can hold the handrail and stand up from the chair, you will not fall out of balance.

Further, since the handrail provided on the upper inclined portion has a semi-annular or arcuate shape, it is easy to grip. Therefore, by grasping the handrail when standing up from the chair, the handicapped person, the aged, and the sick person can surely stand up from the chair without losing the balance.

Further, since the handrail is removably provided on the front side of the leg portion, an obese person, a person with a large body, etc.
If the person sitting on the seat decides that he / she does not need it and removes it and uses the chair, the chair can be comfortably used without impairing the sitting comfort.

Further, by providing the anti-slip member on the inclined portion of the lower member of the leg, it is possible to prevent the chair from slipping due to the friction resistance of the anti-slip member when the inclined portion contacts the floor surface, It is safe for the user.

[0040]

[Brief description of drawings]

FIG. 1 is a perspective view of an exemplary chair according to the present invention.

FIG. 2 is a vertical sectional view of FIG.

FIG. 3 is an explanatory diagram when the chair of FIG. 1 is used.

FIG. 4 is a perspective view of a chair according to another example of the present invention.

FIG. 5 is a perspective view of a chair according to still another example of the present invention.

FIG. 6 is a perspective view of a chair according to still another example of the present invention.

7 is a vertical cross-sectional view of FIG.

8 is an explanatory diagram of the chair of FIG. 6 when used.

FIG. 9 is a perspective view of a chair according to another example of the present invention.

FIG. 10 is a perspective view of a chair according to still another example of the present invention.

[Explanation of symbols]

1 chair 2 seats 3 legs 4 legs 5 handrail 10 Anti-slip member 13 Inclined part 17 Upper slope 18b Lower member 18c front member 20 handrails 21 Projection

Claims (6)

[Claims] 1. A chair having at least a seat portion and a leg portion for supporting the seat portion, wherein the seat portion is lowered forward through the leg portion by the weight movement of a person sitting on the seat portion toward the front. A chair characterized in that a rearwardly sloping sloped portion is provided at a lower end of a front portion of a leg portion so as to be tilted to the front. 2. A chair having at least a seat portion and a leg portion for supporting the seat portion, wherein a projection projecting forward from the front member of the leg portion is provided on the front portion of the lower member of the leg portion. The lower part is provided with a slanted portion from the protruding portion to the front portion so that the seat portion can be slanted forward through the legs due to the forward movement of the weight of the person sitting on the seat portion. A chair characterized by that. 3. The chair according to claim 1 or 2, wherein an upper inclined portion which is inclined forward and downward is provided on an upper portion on the front side of the leg portion, and a handrail is provided on the upper inclined portion. 4. The chair according to claim 3, wherein the handrail has a semi-annular shape or an arc shape. 5. The chair according to claim 1, wherein a handrail is detachably provided on the front side of the leg portion. 6. The chair according to claim 1, wherein a non-slip member is provided on the inclined portion.