JP2012239850A - Stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foldable stool which can be easily installed on a slope and is comfortable to sit on.SOLUTION: The stool 1 includes a ground contact surface part forming plate 2, a seating surface part forming plate 3 and a supporting member 5. The ground contact surface part forming plate 2 and the seating surface part forming plate 3 are connected to each other at their rear edges in an openable and closable manner. An end of the supporting member 5 is engaged or connected with the seating surface part forming plate 3, and the other end of the supporting member 5 is engaged or connected with the ground contact surface part forming plate 2, by which an angle formed of two surfaces of the ground contact surface part forming plate 2 and the seating surface part forming plate 3 is retained to have a predetermined angle.

Description

The present invention relates to a stool that can be easily installed on a slope or the like and can provide a stable sitting comfort.

There are currently several types of stools, chairs, and the like that are intended to be installed on slopes.

Patent Document 1 below discloses a folding chair that can be used on a slope. In this folding chair, the angle between the ground contact surface and the seating surface of the folding chair leg can be changed by shifting the center point of one of the intersecting front and rear legs. It is configured so that the seating surface can be kept horizontal according to the angle.
Further, Patent Document 2 below discloses a folding chair that can sit on a slope or the like and pivotally support a front leg rod and a rear leg rod. A grounding base is swingably provided at the lower part of the leg rod of the folding chair. Further, the lower end of the leg rod is formed to be sharp and is provided so as to be able to advance and retract downward from the grounding platform.

JP 2005-296189 A Japanese Utility Model Publication No. 07-25849

The folding chair of the type described in Patent Document 1 has not been sufficiently stable as a chair used on a slope for the following two reasons. The first reason was that this type of chair was not fixed on the slope, but simply placed on the slope. The second reason was that the position of the center of gravity in the seated state was high because the seat surface part was located relatively far from the ground and the folding chair was lightweight.

The type of Patent Document 2 cannot be folded so compactly that it can be easily put in a backpack or a bag because of the shape of the lower part of the leg pad, which is inconvenient to carry. In addition, when used on a crowded slope by a spectator such as a sport, there is a risk that a person walking around the rear leg padding overhangs to provide a stable seating surface.

Further, in the types of Patent Document 1 and Patent Document 2 in which the seat surface portion is relatively far away from the ground, when used for golf watching around the green, baseball watching in an outdoor field seat, etc., the audience located behind There was a risk of obstructing the field of view.

Overall, there was no portable stool that could be easily brought to an inclined place crowded with spectators, installed without disturbing the surrounding spectators, and provided a stable sitting comfort for the user.

The object of the present invention has been made in view of such problems, and is to provide a stool that can solve the above problems.

In order to solve the above-described problem, the seat of the present invention includes a grounding surface portion forming plate, a seating surface portion forming plate, and a support member, and the grounding surface portion forming plate and the seating surface portion forming plate are opened and closed at the trailing edge. The one end of the support member is locked or connected to the seat surface portion forming plate, and the other end of the support member is locked or connected to the grounding surface portion forming plate. The angle formed by the two surfaces of the ground surface portion forming plate and the seat surface portion forming plate is configured to be held at a predetermined angle.
The seat of the present invention is characterized in that an anti-slip member for preventing slipping is disposed on the lower surface of the grounding surface portion forming plate.
The seat of the present invention is characterized in that a backrest portion forming plate is coupled to a rear edge of the seat surface portion forming plate so as to be opened and closed.

According to the present invention described in claim 1, since it is possible to sit at a position very close to the ground, the center of gravity is low, excellent stability can be obtained, and at the same time, the view of the audience located at the rear may be hindered. No. In addition, the stool can be formed with a combination of three surfaces, such as a triangular prism lying sideways, so it is extremely sturdy, and because the stool and the ground are in contact with each other on the surface, it has excellent stability. A stool can be installed with peace of mind even on soft ground such as the slope of a bank. Furthermore, the size of the stool of the present invention may be large enough not to protrude outwardly from the user's waist, so there is little concern that people walking around will sit on the stool. In addition, when closed, it is as compact as a notebook computer, so it is convenient to carry and at the same time can be easily carried into crowded spaces.
Further, according to the present invention described in claim 2, a slip-preventing member capable of preventing the stool from sliding down is used, and even on a slope with a steep slope or a slope where the grass is dry and slippery, Without worrying about, you can enjoy a stable sitting comfort.
Further, according to the present invention described in claim 3, even when it is necessary to continue sitting for a long time, fatigue can be reduced by using the backrest.

It is a rear surface perspective view which shows the stool of the 1st Embodiment of this invention. (A) is a right view of the stool shown in FIG. (B) is an enlarged view of the groove part of the A part. (C) is the enlarged view of the other example of the groove part of A part similarly. It is a right view which shows the seating state of the stool shown in FIG. It is a right view which shows the seating state of the seat of the 2nd Embodiment of this invention. It is a bottom perspective view of the stool of the second embodiment of the present invention. It is a rear surface perspective view of the stool of the 3rd Embodiment of this invention. (A) is a rear surface perspective view of the seat of the 4th Embodiment of this invention. (B) is an enlarged view of the latching | locking part of B part. (C) is an enlarged view of the engagement hole part of the side backrest part supporting member of B part.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

A first embodiment of the present invention will be described. As shown in FIGS. 1 and 2, the stool 1 includes a ground surface portion forming plate 2 having a substantially rectangular shape in plan view, a seat surface portion forming plate 3 having a substantially rectangular shape in plan view, and a support member 5. The ground surface portion forming plate 2 and the seat surface portion forming plate 3 are coupled to each other at the rear edge by a connecting member 4 so as to be opened and closed. The support member 5 is a hinge-like support member upper connecting portion 5 a formed at one end, and is connected to the lower surface of the seat surface portion forming plate 3 so as to be openable and closable, and the other end of the support member 5 is the ground surface portion forming plate 2. The angle formed by the two surfaces of the ground surface portion forming plate 2 and the seat surface portion forming plate 3 is maintained at a predetermined angle α by being locked to the groove-like support member locking groove portion 6 formed on the upper surface. The

In order to reliably hold the state in which the support member 5 is locked to the support member locking groove portion 6, as shown in FIG. Coupled to the material coupling portion 7a, a fastener material locking portion 7b is formed on the seat surface portion forming plate front edge 11 '.

As shown in FIG. 3, when the stool 1 is installed on the slope in a state where the support member 5 holds the angle α formed by the surfaces of the ground surface portion forming plate 2 and the seat surface portion forming plate 3, the seat surface portion is formed in a substantially horizontal state. You can sit on the board 3.

A plurality of grooves are formed in the support member locking groove portion 6, and the seating surface portion forming plate 3 and the ground surface portion forming plate 2 are fixed at different angles by locking the support member 5 to different grooves. As a result, it is possible to install the stool 1 by adjusting the seat surface portion forming plate 3 so as to be in a more horizontal state corresponding to slopes having different slopes. The shape of the cross section of the groove of the support member locking groove portion 6 may be a substantially triangular shape such as a saw tooth as shown in FIG. 2 (b), or a substantially square shape as shown in FIG. 2 (c). It may be in shape.
The ground surface portion forming plate 2 and the seat surface portion forming plate 3 are made of synthetic resin, and the support member 5 and the connecting member 4 are made of metal so that necessary strength can be obtained even if they are thin.

As shown in FIG. 1, a support member storage recess 5 b for storing the folded support member 5 is formed on the lower surface of the seat surface portion forming plate 3. The support member 5 is formed of a relatively thin metal, and the recess of the support member storage recess 5b is formed so shallow that the strength of the seat surface portion forming plate 3 is not impaired.

According to this embodiment, when the support member 5 is folded on the lower surface of the seat surface portion forming plate 3, the stool is closed, and the fastener material 7 is engaged with the fastener material engagement portion 7b, the stool 1 is as large as a notebook computer. It is compact and convenient to carry, and at the same time it can be easily carried into a crowded space.

Further, since the support member 5 is connected to the lower surface of the seat surface portion forming plate 3 so as to be openable and closable, when the seat surface portion forming plate 3 is pushed upward with the ground surface surface forming plate 2 down, the lower end of the support member 5 is Since it is located in the vicinity of the support member locking groove portion 6 formed automatically on the upper surface of the ground surface portion forming plate 2 by gravity, it is easy to use. In addition, since one end of the support member 5 is connected to the body of the stool 1, the structure is stable, and the installation and removal of the stool 1 can be simplified, and the loss of the support member 5 can be avoided. I can do it.

In the above embodiment, the support member 5 has one end connected to the lower surface of the seat surface portion forming plate 3 and the other end locked to the upper surface of the ground surface portion forming plate 2, thereby forming the ground surface portion forming plate 2 and the seat surface portion. Although the angle formed by the two surfaces with the plate 3 is maintained at a predetermined angle α, the form of connection and locking of the support member 5 is not limited to this embodiment. It may be connected to the upper surface of the plate 2, and the other end may be engaged with the lower surface of the seat surface portion forming plate 3, and both ends are formed on the upper surface of the ground surface portion forming plate 2 and the lower surface of the seat surface portion forming plate 3, respectively. You may latch to a groove part and hold | maintain this latching state with the fastener material 7. FIG. Further, when the groove formed on the ground surface portion forming plate 2 and the seat surface portion forming plate 3 is a ant groove, the support locked to the both forming plates in the manner of inserting the paper from the side surfaces of both forming plates. Since there is no fear that the member 5 will come off during use of the stool 1, it is not necessary to use the fastener 7 to maintain the locked state.
In this case, the connection means that it is in a state where it cannot be fixed to a shaft support, a pivot support, a fixed angle, or separated, and as an example of a part to be used, for example, it rotates like a hinge. Examples include a part that is freely supported and a part that is a metal plate having an L-shaped cross section and that fixes the support member and the seat surface portion forming plate with screws.

In the above embodiment, the ground surface portion forming plate 2 and the seat surface portion forming plate 3 have a substantially rectangular shape in plan view, but the shapes of the ground surface portion forming plate 2 and the seat surface portion forming plate 3 are limited to the present embodiment. For example, it may have a substantially trapezoidal shape in plan view. Further, the form of the support member 5 is not limited to the rectangular shape of the present embodiment. For example, a pair of rod-like support members are arranged in the longitudinal direction (left and right width) near the front edge of the upper surface of the ground surface portion forming plate 2. (Direction) It may be a form pivoted so as to be foldable inward. In this case, on the left and right sides of the lower surface of the seat surface portion forming plate 3, holes for locking the rod-like support members are provided. In addition, on the upper surface of the ground surface portion forming plate 2, a storage recess for the bar-shaped support member is provided. Further, a plurality of pairs of rod-like support members are provided in parallel toward the rear edge, and can be adapted to cope with different inclination angles of the slope on which the stool 1 is installed by selecting a pair of rod-like support members to be used. Has been.
Since the rod-shaped support member is provided on the upper surface of the ground plane portion forming plate 2, when the seat plane portion forming plate 3 is opened with the ground plane portion forming plate 2 facing down to install the stool 1, the rod-shaped support member is immediately It is easy to use and easy to pull out from the storage recess by selecting an appropriate pair of rod-shaped support members.

Next, a second embodiment of the present invention will be described. As shown in FIG. 5, a plurality of anti-slip pins 8, which can fix the stool 1 to an inclined surface by being inserted into the ground, are arranged on the lower surface of the ground contact surface forming plate 2 so as to protrude downward. Has been. The anti-slip pin 8 is foldable only in the direction of the front edge 11 of the ground surface portion forming plate so that the angle β formed by the anti-slip pin 8 and the lower surface of the ground surface portion forming plate 5 is in the range of 0 ° to 90 °. 2 is pivotally attached to the lower surface. Further, an anti-slip pin housing recess 8 a is provided on the lower surface of the ground surface portion forming plate 2. The anti-slip pin 8 is made of a metal that does not easily rust.

According to the present embodiment, as shown in FIG. 4, the use of the non-slip pin 8 makes it possible to stably install the stool 1 even on a steep slope or a slope that is dry and slippery. I can do it.

Further, as shown in FIG. 5, the anti-slip sheet 9 made of rubber is provided on the stool 1 as an anti-slip member, in addition to the anti-slip pin 8, on the entire or part of the lower surface of the ground surface portion forming plate 2. Is arranged. According to the present embodiment, when the stool 1 is installed on the slope with the anti-slip pin 8 stored in the anti-slip pin storage portion 8a on a concrete or board slope where the anti-slip pin 8 cannot be inserted, the anti-slip The sheet 9 directly contacts the slope and functions to prevent slipping. The material of the non-slip sheet 9 is not limited to rubber, and may be another material having a large coefficient of friction against a concrete surface or a board surface. In FIG. 5, the stool 1 includes both the anti-slip pin 8 and the anti-slip sheet 9, but only one of them may be provided.

If it is expected that a particularly large load will be applied to the stool 1 and it is necessary to enhance the ability to prevent the stool 1 from slipping down, the anti-sliding member 18 is inserted into the insertion portion 17 as shown in FIG. The stool 1 can be more firmly installed on the slope by being driven into the ground with a hammer or the like.

Next, a third embodiment of the present invention will be described. As shown in FIG. 6, a backrest portion forming plate 16 is coupled to the rear edge of the seat surface portion forming plate 3 so as to be openable and closable. Also, on the back side of the backrest surface of the backrest portion forming plate 16, a backrest portion supporting member 12 made of a metal plate having a substantially U-shape in plan view and formed of a thin metal plate that can maintain necessary strength is installed to be openable and closable. Yes. Further, a claw portion 13 is provided at the front end portion of the backrest support member 12. When the claw portion 13 is inserted into the ground and the backrest support member 12 is fixed to the ground, the angle θ formed between the seat surface portion forming plate 3 and the backrest portion forming plate 16 is maintained. In addition, a storage recess 14 for storing the backrest support member 12 and the claw portion 13 is provided on the opposite surface of the backrest surface of the backrest forming plate 16. Further, the backrest forming plate 16 is made of synthetic resin. A fastener material locking portion 7c is formed on the backrest portion forming plate front edge 11 ″. If it is desired to keep the stool 1 closed in the third embodiment, the grounding surface portion forming plate front edge 11 is fastened. The fastener material 7 coupled to the component material coupling portion 7a is engaged with the fastener material engaging portion 7c.

Next, a fourth embodiment of the present invention will be described. In the third embodiment, the backrest forming plate 16 is held at a predetermined angle θ by the backrest support member 12, but in this embodiment, as shown in FIGS. 7A, 7B, and 7C. In addition, the stool 1 has a string-like or bar-like side backrest support member 15, and the engagement hole portions 15 a formed at both ends of the side backrest support member 15 include the ground plane forming plate 2 and the backrest forming plate. The backrest portion forming plate 16 is configured to be held at a predetermined angle θ by being locked and fixed to the locking portions 15b that are protruded from the left and right side surfaces of the base plate 16. The string-like side backrest support member 15 and the engagement hole 15a are made of a fiber having high tensile strength, and the rod-like side backrest support member 15 and the engagement hole 15a are made of metal or glass fiber. The locking portion 15b is made of metal. In addition, an accommodation recess 15c with a lid 15d is installed at the rear of the upper surface of the seat surface portion forming plate 3 to accommodate the side backrest support member 15.
The stool 1 may include a backrest support member 12 and a backrest support member 15 at the same time.

Next, uses other than the stool of the stool 1 of the present invention will be described.
The stool 1 that can be configured in the shape of a triangular prism on its side has an extremely sturdy structure, so various uses other than the stool can be considered. When the stool 1 is applied to a purpose other than the stool and it is considered necessary to enhance the ability of the stool 1 to slide down, the sliding-off prevention member 18 is placed. Further, when the stool 1 is applied for purposes other than the stool, the backrest forming plate 16 may not be installed depending on the situation.

A large stool 1 may be installed on the slope of the garden and used as a table for placing potted plants.
In construction sites where it is necessary to work on a slope, a large metal stool 1 is installed on the slope and used as a scaffold for workers or as a platform on which tools are placed. May be.

Further, the stool 1 may be applied as an exterior article called a temporary staircase. The stool 1 is continuously arranged with a height difference on the slope of soil or lawn in a garden, park, or ordinary house, and used as a staircase. The staircase using the stool 1 is easy to install and remove, so it is easy to change the installation location and clean the grass around the stairs. The stool 1 used as a staircase is formed of a material having excellent strength and durability such as metal.

Moreover, when it is not carried around frequently and does not require a folding function like the case where it is applied as a temporary staircase, the seat 1 is composed of a seat surface portion forming plate 3, a ground surface portion forming plate 2, All of the support member 5 and the non-slip pin 8 or some of them may be combined with each other from the beginning and may be in an integrated form.

Next, a procedure for using the seat 1 in FIG. 6 will be described.

When the stool 1 is used on a slope such as a lawn, the stool 1 with the three formation plates closed by causing the anti-slip pin 8 to be raised approximately 90 ° from the anti-slip pin storage portion 8a is provided with the connecting member 4. Place the trailing edge 10 on the slope with the rear edge 10 facing upward, apply pressure from the upper surface of the backrest forming plate 16 in a direction perpendicular to the slope, and pierce the slope with a non-slip pin 8 formed in a tapered shape at the tip. Fix to the slope. Thereafter, the fastener material 7 locked to the backrest forming plate locking portion 7c is removed. The seat surface portion forming plate 3 and the backrest portion forming plate 16 in a folded state are opened up until they are substantially horizontal, and the lower end of the support member 5 that can be opened and closed on the lower surface of the seat surface portion forming plate 3 is connected to the ground surface portion forming plate 2. The seating surface forming plate 3 and the backrest forming plate 16 are fixed in a substantially horizontal state. In order to securely hold the state in which the support member 5 is locked to the support member locking groove portion 6, the fastener material 7 is locked to the fastener locking portion 7b. Thereafter, the backrest forming plate 16 is rotated to a desired position as a backrest, fixed by the backrest support member 12 or the side backrest support member 15, and is seated on the upper surface of the seat surface forming plate 3 with the slope as the back. When the backrest is not required, the user sits on the backrest forming plate 16 folded on the seat surface forming plate 3. On the slope where there is no fear of slipping, the stool 1 is placed on the slope while the anti-slip pin 8 is stored in the anti-slip pin storage portion 8a. Even on a concrete or board slope, the stool 1 is installed on the slope while the anti-slip pin 8 is stored in the anti-slip pin storage portion 8a, and the anti-slip function of the anti-slip sheet 9 is made effective. The stool 1 is characterized in that it can be quickly installed and removed, and is suitable for use in sports watching, fireworks watching, etc. where it is assumed that it is necessary to change the place quickly in order to secure a more appropriate place.

Further, when sitting on a flat ground, the stool 1 with the seat surface portion forming plate 3, the ground surface portion forming plate 2 and the backrest portion forming plate 16 being closed is placed with the ground surface portion forming plate 2 facing down, and the backrest portion It can sit on the forming plate 16. It is more comfortable to sit on something that is a little higher than to sit directly on the ground, and you can avoid getting cold, dirty clothes, insect bites, etc. Further, when the backrest forming plate 16 is rotated from this state and fixed by the backrest supporting member 12 or the side backrest supporting member 15, it can be used as a chair with a backrest that sits on the upper surface of the seating surface forming plate. When sitting on a flat ground, the non-slip pin 8 may not be used.

In the stool 1 shown in FIG. 2 that does not have the backrest forming plate 16, the stool 1 with the grounding surface portion forming plate 2 and the seating surface portion forming plate 3 closed is placed with the grounding surface portion forming plate 2 facing down. It can be installed on a flat ground and can sit on the seat surface forming plate 3.

DESCRIPTION OF SYMBOLS 1 Seat 2 Grounding surface part formation board 3 Seat surface part formation board 4 Connection member 5 Support member 5a Support member upper connection part 5b Support member storage recessed part 6 Support member latching groove part 7 Fastener material 7a Fastener material coupling | bond part 7b Fastener material Locking portion 7c Fastening material locking portion 8 Non-slip pin 8a Non-slip pin storage recess 9 Non-slip sheet 10 Rear edge 11 Grounding surface portion forming plate front edge 11 'Seat surface portion forming plate front edge 11 "Backrest portion forming plate front edge 12 Back backrest Part support member 13 claw part 14 storage recess 15 side backrest support member 15a engagement hole 15b locking part 15c storage recess 15d lid 16 backrest forming plate 17 insertion part 18 slip-preventing member

In order to solve the above-described problem, the seat of the present invention includes a grounding surface portion forming plate, a seating surface portion forming plate, and a support member, and the grounding surface portion forming plate and the seating surface portion forming plate are opened and closed at the trailing edge. The one end of the support member is locked or connected to the seat surface portion forming plate, and the other end of the support member is locked or connected to the grounding surface portion forming plate. The angle formed by the two surfaces of the ground surface portion forming plate and the seat surface portion forming plate can be held at a predetermined angle, and a non-slip pin can be projected and folded downward on the lower surface of the ground surface portion forming plate. And a non-slip pin housing recess for the anti-slip pin is provided .
Further, the stool of the present invention has a non- slip sheet disposed on the lower surface of the grounding surface portion forming plate, and when the stool is installed on a slope with the anti-slip pin stored in the anti-slip pin storage recess, the anti-slip It is desirable that the sheet directly touches the slope and functions to prevent slipping .
Further, the seat of the present invention has a backrest portion forming plate coupled to the rear edge of the seat surface portion forming plate so as to be openable and closable , and a backrest portion supporting member can be opened and closed on the back side of the backrest surface of the backrest portion forming plate. It is desirable to be installed in .

According to the first aspect of the present invention, it is possible to sit at a position very close to the ground, so that the center of gravity is low, excellent stability is obtained, and at the same time, there is no risk of hindering the view of the audience located behind. . In addition, the stool can be formed with a combination of three surfaces, such as a triangular prism lying sideways, so it is extremely sturdy, and because the stool and the ground are in contact with each other on the surface, it has excellent stability. with confidence, even in soft ground, such as the slope of the bank Ru can be installed the seat. Furthermore, the size of the stool of the present invention may be large enough not to protrude outwardly from the user's waist, so there is little concern that people walking around will sit on the stool.
In addition, using a non- slip pin that can prevent the stool from falling off , you can enjoy a stable sitting comfort without worrying about sliding down even on steep slopes or slopes that are dry and slippery. I can do it. In addition, when the stool is closed, it is as compact as a notebook computer, so it is convenient to carry and at the same time can be easily carried into a crowded space.
Further, according to the invention described in claim 2, in a concrete or board slope where the anti-slip pin cannot be inserted, when the stool is installed on the slope while the anti-slip pin is stored in the anti-slip pin storage recess, The anti-slip sheet disposed on the lower surface of the ground surface surface forming plate directly contacts the slope, and can perform the function of preventing slipping.
Further, according to the present invention described in claim 3, even when it is necessary to continue sitting for a long time, it is possible to reduce fatigue by using the backrest fixed by the backrest support member. I can do it.

As shown in FIG. 5, a plurality of anti-slip pins 8, which can fix the stool 1 to an inclined surface by being inserted into the ground, are arranged on the lower surface of the ground contact surface forming plate 2 so as to protrude downward. Has been. The anti-slip pin 8 is foldable only in the direction of the front edge 11 of the ground surface portion forming plate so that the angle β formed by the anti-slip pin 8 and the lower surface of the ground surface portion forming plate 5 is in the range of 0 ° to 90 °. 2 is pivotally attached to the lower surface. Further, an anti-slip pin housing recess 8 a is provided on the lower surface of the ground surface portion forming plate 2. The anti-slip pin 8 is made of a metal that does not easily rust.

Next, a second embodiment of the present invention will be described . As shown in FIG. 5, on the stool 1, a non-slip sheet 9 made of rubber as a non-slip member is disposed on the entire surface or a part of the lower surface of the ground surface portion forming plate 2 as an anti-slip pin 8. Has been. According to this embodiment, in the concrete or wooden slope can not be inserted the slip pin 8, when the left sitting 1 housed in the locking pin receiving recess 8a slip antiskid pin 8 installed on a slope, sliding The stop sheet 9 directly contacts the slope and functions to prevent slipping. The material of the non-slip sheet 9 is not limited to rubber, and may be another material having a large coefficient of friction against a concrete surface or a board surface. In FIG. 5, the stool 1 includes both the anti-slip pin 8 and the anti-slip sheet 9, but only one of them may be provided.

When using sitting 1 slopes such as lawn, the non-slip pin accommodating recess 8a antiskid pin 8 causing approximately 90 °, the state in which three forming plate is closed the stools 1, the connecting member 4 A rear edge 10 is placed on the slope with the rear edge 10 facing upward, pressure is applied in a direction perpendicular to the slope from the upper surface of the backrest forming plate 16, and a non-slip pin 8 formed in a tapered shape at the tip is pierced into the slope. Is fixed to the slope. Thereafter, the fastener material 7 locked to the backrest forming plate locking portion 7c is removed. The seat surface portion forming plate 3 and the backrest portion forming plate 16 in a folded state are opened up until they are substantially horizontal, and the lower end of the support member 5 that can be opened and closed on the lower surface of the seat surface portion forming plate 3 is connected to the ground surface portion forming plate 2. The seating surface forming plate 3 and the backrest forming plate 16 are fixed in a substantially horizontal state. In order to securely hold the state where the support member 5 is locked to the support member locking groove 6, the fastener material 7 is locked to the fastener material locking portion 7 b. Thereafter, the backrest forming plate 16 is rotated to a desired position as a backrest, fixed by the backrest support member 12 or the side backrest support member 15, and is seated on the upper surface of the seat surface forming plate 3 with the slope as the back. When the backrest is not required, the user sits on the backrest forming plate 16 folded on the seat surface forming plate 3. In the slopes without the worry of slipping, installing the seat 1 on the slopes while housed in the locking pin housing recess 8a slip the slip pin 8. Also in concrete or wooden slope, the stools 1 is placed on the slope remains housed in the locking pin receiving recess 8a slides slip pin 8, to enable the slipping prevention of slip sheet 9. The stool 1 is characterized in that it can be quickly installed and removed, and is suitable for use in sports watching, fireworks watching, etc. where it is assumed that it is necessary to change the place quickly in order to secure a more appropriate place.

Claims (3)

A grounding surface portion forming plate, a seating surface portion forming plate, and a support member, and the grounding surface portion forming plate and the seating surface portion forming plate are coupled to each other so as to be openable and closable at a trailing edge, and one end of the supporting member is Two surfaces of the grounding surface portion forming plate and the seating surface portion forming plate are engaged or connected to the seating surface portion forming plate, and the other end of the support member is locked or connected to the grounding surface portion forming plate. A stool characterized by being configured such that the angle formed by can be held at a predetermined angle. The stool according to claim 1, wherein a non-slip member for preventing slipping is disposed on a lower surface of the ground surface portion forming plate. The backrest according to claim 1 or 2, wherein a backrest portion forming plate is coupled to a rear edge of the seat surface portion forming plate so as to be openable and closable.

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