JP7492901B2 - booth - Google Patents

Description

Article 30, paragraph 2 of the Patent Act applies 1. Date of website posting: November 5, 2019 Website address: http://www.okamura.co.jp/company/topics/product/2019/drape.html Publisher: Okamura Corporation 2. Publication date: Electronic version: November 5, 2019: Paper medium: November 21, 2019 Publication: Office General Catalog 2020 Electronic version: http://gmd.okamura.jp/iportal/cv.do?c=27374300000&pg=59&v=OKM05&pp=L Publisher: Okamura Corporation 3. Publication date: Electronic version: November 5, 2019: Paper version: November 21, 2019 Publication: Snow Hut Electronic version: http://gmd.okamura.jp/iportal/cv.do?c=27174670000&pg=1&v=OKM05&pp=R Publisher: Okamura Corporation 4. Website posting date: November 5, 2019 Website address: https://www.okamura.co.jp/product/others/snowhut/ Publisher: Okamura Corporation 5. 5. Exhibition date: November 6, 2019 - Exhibition name and location: Okamura Grand Fair 2019 Okamura Garden Court Showroom (3rd floor, Garden Court, Hotel New Otani, 4-1 Kioicho, Chiyoda-ku, Tokyo) Publisher: Okamura Corporation 6. Exhibition date: December 5, 2019 - December 6, 2019 Exhibition name and location: Okamura Fair in Osaka 2019 Okamura Osaka Showroom (21st floor, Grand Front Osaka Tower A, 4-20 Ofukacho, Kita-ku, Osaka City, Osaka Prefecture) Publisher: Okamura Corporation 7. Date: December 10, 2019 to December 11, 2019 Exhibition name and location: Okamura Fair in Fukuoka 2019 Okamura Fukuoka Showroom (1F Meiji Yasuda Watanabe Building, 1-3-3 Hakataekimae, Hakata-ku, Fukuoka City, Fukuoka Prefecture) Publisher: Okamura Corporation 8. Date: January 21, 2020 to January 22, 2020 Exhibition name and location: JOPSDESK Fair 2020 Yurakucho Tokyo Transportation Center 12F Diamond Hall (2-10-1 Yurakucho, Chiyoda-ku, Tokyo) Publisher: Okamura Corporation

The present invention relates to a booth.

Conventionally, a configuration has been known in which a desk or the like is placed inside the booth body that defines the internal space, allowing the user to work inside the booth body (see, for example, Patent Document 1 below). In addition, Patent Document 2 below discloses a configuration in which the height of the chair (seat) and the height of the desk (top) are changed according to the user's posture.

JP 2014-37671 A JP 2016-87031 A

Recently, a configuration in which a desk with a liftable top is installed inside the booth body has been considered. In such a configuration, if a user wants to use the desk in a seated position, a chair needs to be installed inside the booth body. On the other hand, if a user wants to use the desk in a standing position, a chair is not needed inside the booth body. In this case, moving the chair to a position inside the booth body that does not get in the way of the user leads to an increase in the size of the booth body. Also, it is inconvenient to move the chair in and out of the booth body depending on the height of the top.

The present invention aims to provide a booth that is easy to use while also being compact in size.

In order to achieve the above object, a booth according to one aspect of the present invention comprises a booth body that divides an internal space, a lifting tabletop display unit that is arranged within the booth body and can be raised and lowered in the vertical direction with the top surface of the tabletop at a certain angle with the floor surface, and a chair arranged in the booth body facing the lifting tabletop display unit in the front-to-rear direction, and the seat of the chair is configured to be movable to a second position in which the seat surface faces forward by moving a first side end, which is the front end of the seat, backward while a second side end, which is the rear end of the seat, upward, in a first position in which the seat surface faces upward.

According to this aspect, when the height of the tabletop is lowered, the seat can be moved to the first position, allowing the user to use the tabletop lifting fixture in a seated position. On the other hand, when the height of the tabletop is increased, the seat can be moved to the second position, allowing the user to use the tabletop lifting fixture in a standing position. In particular, when the user uses the tabletop lifting fixture in a standing position, moving the seat to the second position makes it easier to ensure a distance between the chair and the tabletop lifting fixture. Therefore, when the user uses the tabletop lifting fixture in a standing position, the chair is less likely to get in the way, even without making the booth body larger. As a result, usability can be improved while still miniaturizing the booth body.
Moreover, in this embodiment, the first side end, which is the front end of the seat in the first position, moves backward while the second side end, which is the rear end of the seat, moves upward, moving from the first position to the second position. Therefore, compared to a configuration in which the seat rotates around the rear end (a flip-up type), the movement path of the seat when it moves from the first position to the second position can be positioned further backward. As a result, it becomes easier to ensure the distance between the lift-top furniture and the chair.

In the booth of the above aspect, the front end edge of the top plate may be provided with an extension portion that extends along the first side end edge of the seat when the seat is in the first position.
According to this aspect, when the seat is in the first position, the distance between the chair and the table top in the front-rear direction can be made uniform regardless of the seating position of the seat in the width direction, thereby improving usability.

In the booth of the above-described aspect, an entrance opening toward one side in the left-right direction is formed in the part of the booth body that faces the chair in the left-right direction, and the front edge of the tabletop may have an inclined portion extending toward the back as it moves from the extension portion toward one side in the left-right direction.
According to this embodiment, the inclined portion extends toward the back as it approaches one side in the left-right direction (the entrance/exit side), so an entrance/exit space is formed in the booth body without any fixtures installed around the entrance/exit. In this case, by combining the extension portion and the inclined portion, the top plate can be positioned close to the user by the extension portion, and the width of the top plate in the front-to-rear direction can be secured in front of the user. Therefore, a top plate that is easy to enter and exit the booth and is easy to use can be obtained.

In the booth of the above aspect, a first side end of the seat may overlap a front end of the top plate in a plan view when the seat is in the first position.
According to this aspect, the booth body can be made even smaller. Also, since the lift-top furniture and the chairs can be brought closer together, particularly in the first position, usability can be improved.

In the booth of the above aspect, the chair may include a biasing member that biases the seat toward the second position.
According to this aspect, when the load acting on the seat in the first position becomes less than the biasing force of the biasing member due to the user standing up, the seat automatically moves to the second position. This ensures a sufficient distance between the lift-top display unit and the chair when the user is standing up or when the unit is not in use. In this case, it becomes easier to enter and exit between the lift-top display unit and the chair from the side, improving usability.

In the booth of the above aspect, the chair may include a backrest located at the rear of the seat, and the back support surface of the backrest may extend linearly in the vertical direction when viewed from the side.
According to this aspect, the distance between the tabletop and the backrest can be made uniform regardless of the height of the tabletop, so that the user can feel the same when using the backrest in both the seated and standing positions, and is less likely to feel uncomfortable.

In the booth of the above aspect, if the depth length of the seating surface is L1 and the shortest distance between the seating surface and the tabletop at the second position is L2, the relationship may be set as L2 x 2 ≧ L1 ≧ L2 x 1.5.
According to this embodiment, by making the depth length L1 of the seat surface 1.5 times or more the shortest distance L2 between the seat surface and the tabletop in the second position, it is easy to ensure the depth length of the seat surface. Therefore, the booth can be used comfortably in a seated position. In addition, by making the depth length L1 of the seat surface 2 times or less the shortest distance L2 between the seat surface and the tabletop in the second position, it is easy to use the backrest when seated, and when using the tabletop lifting fixture in a standing position, it is possible to ensure workability on the tabletop while sitting on the seat in the second position.

In the booth of the above aspect, the lifting tabletop fixture may be configured so that the height of the tabletop can be changed in conjunction with the position of the seat.
According to this aspect, the height of the tabletop can be changed according to the user's posture, the usage status of the booth, etc., so there is no need to change the height of the tabletop every time the user changes posture or uses the booth, which can further improve usability.

The above aspects allow for a booth that is compact in size and easy to use.

FIG. 2 is a perspective view of the booth according to the embodiment. 2 is a cross-sectional view corresponding to line II-II in FIG. 1. FIG. 2 is a cross-sectional view of the booth from the left side, showing the chairs in the seated position. FIG. 2 is a cross-sectional view of the booth from the left side showing the chairs in the seated position. 2 is a cross-sectional view corresponding to line VV in FIG. 1. FIG. 2 is a perspective view showing a state in which the mounting mechanism is attached to the booth body. FIG. 2 is a perspective view of the chair from the rear. 8 is a cross-sectional view showing the chair in a seated position corresponding to line VIII-VIII in FIG. 5. 8 is a cross-sectional view showing the chair in an upright position corresponding to line VIII-VIII in FIG. 5 . FIG. 8 is a cross-sectional view showing the chair in a seated position corresponding to line VIII-VIII in FIG. 5.

Next, an embodiment of the present invention will be described with reference to the drawings. In each embodiment (and modified examples) described below, the same reference numerals may be used to designate corresponding configurations, and the description may be omitted. In the following description, expressions indicating relative or absolute arrangements, such as "parallel," "orthogonal," "center," and "coaxial," do not only strictly indicate such arrangements, but also indicate a state in which there is a relative displacement with an angle or distance that provides a tolerance or the same function.

[Booth 1]
FIG. 1 is a perspective view of a booth 1.
As shown in FIG. 1, the booth 1 is installed on a floor surface F in various facilities such as an office or a public institution. The booth 1 is used, for example, when performing work such as office work in a state isolated from the outside space. The booth 1 of this embodiment is configured such that a lift-top display unit 11 and a chair 12 are installed in a booth body 13 (internal space S) facing each other. In the following description, directions such as front-back, up-down, left-right, etc. refer to directions as seen by a user of the chair 12. Therefore, the front-back, left-right, and right-left directions of the lift-top display unit 11 are based on the direction that a user of the chair 12 faces.

<Booth body 13>
The booth body 13 is formed in a rectangular parallelepiped shape extending in the vertical direction. Specifically, the booth body 13 includes a frame unit 21, a panel unit 22, an entrance/exit unit 23, and a ceiling unit 24.
The frame unit 21 forms the contour (outer shape) of the booth body 13. The frame unit 21 includes a plurality of support column bodies 25 and a plurality of beams 26. Note that the outer shape of the booth body 13 can be appropriately changed to a polygonal prism shape other than a rectangular parallelepiped, a cylindrical shape, or the like.

In a plan view, each support body 25 extends in the vertical direction at a portion located at each corner of the booth body 13. Each support body 25 is installed on the floor surface F via an adjuster. In a cross-sectional view perpendicular to the vertical direction, each support body 25 in this embodiment is formed in a fan shape that protrudes toward the outside of the booth body 13. Therefore, the surface (inner surface) of each support body 25 that faces the adjacent support body 25 is formed as a flat surface. The number of support bodies 25 can be changed as appropriate. For example, if the booth body 13 has a polygonal shape in a plan view, the support body 25 may be disposed at each corner. The support body 25 may also be disposed between adjacent corners in the booth body 13.

The beams 26 span between the upper ends of adjacent support bodies 25. In a cross-sectional view along the vertical direction, the beams 26 are formed in a fan shape that protrudes toward the outside of the booth body 13. Therefore, the lower surface of each beam 26 and the surface (inner surface) facing the adjacent beam 26 are formed as flat surfaces. However, the cross-sectional shape of the support bodies 25 and beams 26 can be changed as appropriate, such as to a rectangular shape or a circular shape. The connection portion between the support body 25 and the beam 26 is covered by a corner member 27. The outer surface of the corner member 27 is formed in a curved shape that smoothly connects to the outer surfaces of the support body 25 and the beam 26.

The panel unit 22 is disposed in an opening (hereinafter simply referred to as the opening) defined by a pair of adjacent support body bodies 25 and a beam 26 spanning between the pair of support body bodies 25 in the frame unit 21, and separates the external space from the internal space S. That is, the panel unit 22 constitutes the side walls of the booth body 13. In this embodiment, the panel units 22 constitute the front and rear side walls and the right side wall of the chair 12. Each panel unit 22 has an equivalent configuration. Therefore, in the following explanation, the panel unit 22 (rear wall unit 22A) that constitutes the rear wall of the booth body 13 will be used as an example.

FIG. 2 is a cross-sectional view corresponding to the line II-II in FIG.
As shown in Fig. 2, the rear wall unit 22A includes a frame material 31, and an outer panel 32 and an inner panel 33 provided on both the front and rear sides of the frame material 31. The frame material 31 is formed in a frame shape arranged along the inner peripheral edge of the rear opening of the frame unit 21. The frame material 31 is fixed to the inner surfaces of the pillar main body 25 and the beam 26, respectively. Of the frame material 31, a vertical frame portion 35 extending in the up-down direction is formed with a locking hole 36. The locking holes 36 open on both the front and rear sides and are formed at intervals in the up-down direction.

The outer panel 32 covers the frame material 31 from the rear.
The inner panel 33 covers the frame material 31 from the front, leaving the locking holes 36 that open forward in the vertical frame portions 35 exposed. Each panel 32, 33 of this embodiment preferably has light-blocking and sound-absorbing properties. Such materials may include a metal core covered with an outer skin such as cloth, or compressed nonwoven fabric. However, each panel 32, 33 may be made of a light-transmitting material such as glass or acrylic resin.

As shown in FIG. 1, the entrance/exit unit 23 is disposed in the left opening of the frame unit 21. The entrance/exit unit 23 is a so-called single sliding door. Specifically, the entrance/exit unit 23 is provided with a fixed door 41 and a sliding door 42 attached to a sash 40 fixed along the inner periphery of the left opening of the frame unit 21.

The fixed door 41 is disposed at the front within the left opening of the frame unit 21. The fixed door 41 is fixed to the sash 40. At the rear of the left opening of the frame unit 21, the portion defined by the fixed door 41 and the sash 40 constitutes an entrance/exit 43 that communicates between the inside and outside of the booth body 13.
The sliding door 42 is configured to be able to open and close the entrance 43. In this embodiment, the sliding door 42 is supported by the sash 40 so as to be able to slide in the front-rear direction. When the sliding door 42 is in the open position (a position where the sliding door 42 overlaps with the fixed door 41), the booth 1 allows entry and exit from the inside and outside of the booth body 13 through the entrance 43.

In this embodiment, the fixed door 41 and the sliding door 42 are configured by fixing a light-transmitting partition material such as glass or acrylic resin to the inside of the frame material. However, the fixed door 41 and the sliding door 42 may have light-shielding properties. In addition, the entrance/exit unit 23 is not limited to a single sliding door, and can be appropriately changed to a sliding door, a hinged door, a folding door, or the like. Furthermore, in this embodiment, the left opening of the frame unit 21 is the entrance/exit 43 of the booth body 13, but this configuration is not limited to this. It is sufficient that at least one entrance/exit is provided in either the front, rear, left, or right direction. Furthermore, in this embodiment, a configuration in which the booth body 13 is surrounded on all four sides by the panel unit 22 or the entrance/exit unit 23 has been described, but this configuration is not limited to this. In a plan view, the booth body 13 is sufficient to form a closed area by connecting adjacent support bodies 25.

The ceiling unit 24 has a bridge section 45 that bridges between the portions of the beams 26 that face each other in the left-right direction. A plurality of bridge sections 45 are provided at intervals in the front-rear direction. In other words, the ceiling unit 24 of this embodiment vertically connects the external space and the internal space S through the gaps between the adjacent bridge sections 45. However, the ceiling unit 24 may completely separate the external space and the internal space S. In addition, the booth body 13 may have a floor material unit provided separately on the floor surface F.

<Lift-top display unit 11>
Fig. 3 is a sectional view of the booth 1 from the left side, showing the chair 12 in the seated position. Fig. 4 is a sectional view of the booth 1 from the left side, showing the chair 12 in the seated position.
3 and 4, the lifting tabletop fixture 11 is installed at the front of the booth body 13. The lifting tabletop fixture 11 includes a pair of legs 51 spaced apart in the left-right direction, and a tabletop 52 supported by the legs 51 from below.
The legs 51 include a leg bracket 55, a lifting unit 56, and an upper support 57. Each leg 51 is disposed along one of the support pillar bodies 25 located on both the front left and right sides. Therefore, the tabletop lifting fixture 11 of this embodiment is disposed across the entire left-right area of the booth body 13. However, the left-right width of the tabletop lifting fixture 11 can be changed as appropriate. Note that each of the pair of legs 51 has the same configuration. Therefore, in the following explanation, the leg 51 disposed in the left front part of the booth body 13 will be used as an example.

The leg bracket 55 is formed in a square tube shape extending vertically along the support body 25 in the left front portion inside the booth body 13. The leg bracket 55 has a locking claw (not shown) that protrudes forward. The locking claw is locked into a locking hole 36 formed in the vertical frame portion 35 of the panel unit 22 (front wall unit 22B) that constitutes the front wall. In other words, the lifting tabletop fixture 11 is fixed to the booth body 13 via the leg bracket 55. However, the lifting tabletop fixture 11 does not have to be connected to the booth body 13.

The lifting unit 56 is configured to be expandable and contractable in the vertical direction. Specifically, the lifting unit 56 includes a plurality of square tubes with different planar outer shapes. The lifting unit 56 is configured by inserting a square tube with a smaller planar outer shape inside a square tube with a larger planar outer shape among the above-mentioned square tubes. The lifting unit 56 is configured to be expandable and contractable in the vertical direction by the operation of a drive mechanism (not shown) causing each square tube to move relative to each other in the vertical direction.
The lifting unit 56 is installed on the floor surface F via an adjuster, with its lower portion (the rectangular tube having the largest outer shape in a plan view) housed within the leg bracket 55 described above.

The upper support 57 is connected to the upper end of the lifting unit 56. The upper support 57 extends rearward from the lifting unit 56 in a cantilever fashion.

The top plate 52 spans between the upper ends of the legs 51. Specifically, an upper support 57 is connected to the underside of the top plate 52. The upper support 57 extends in the front-rear direction along both the left and right ends of the top plate 52. In this embodiment, the lifting unit 56 is located forward of the center of the top plate 52 in the front-rear direction. This makes it easier to ensure space below the top plate 52.

The top plate 52 has a work surface 52a facing upward. The work surface 52a is a flat surface perpendicular to the vertical direction. The top plate 52 is configured to be movable in the vertical direction in accordance with the extension and contraction movement of the lifting unit 56. This allows the work surface 52a of the top plate 52 to be height-adjustable while forming a certain angle (0° in this embodiment) with the floor surface F. The top plate 52 may also be provided with, for example, a wiring insertion port or a wiring duct.

FIG. 5 is a cross-sectional view taken along line VV in FIG.
As shown in Fig. 5, the top plate 52 is formed in a trapezoidal shape in a plan view. Specifically, the front end edge of the top plate 52 extends linearly in the left-right direction. Both left and right end edges of the top plate 52 each extend linearly in the front-rear direction. The shape of the top plate 52 in a plan view can be appropriately changed, such as to a rectangular shape or a semicircular shape.

The rear edge of the top plate 52 has a linear extending portion 58 and an inclined portion 59 .
The straight extension portion 58 extends in a straight line from the rear end of the right edge of the top plate 52 toward the left side. In this embodiment, the straight extension portion 58 is located rearward of the center in the front-rear direction of the booth body 13. However, the position of the straight extension portion 58 in the front-rear direction may be either the center or forward of the center. In addition, the left end of the straight extension portion 58 is located to the left of the center in the left-right direction of the booth body 13. However, the left-right length of the straight extension portion 58 relative to the left-right dimension of the booth body 13 can be changed as appropriate.

An operating part 56a of the lifting unit 56 is disposed on the underside of the tabletop 52, in a portion located near the linear extension 58. In this embodiment, the operating part 56a is disposed on the right side of the underside of the tabletop 52.

The inclined portion 59 is connected to the left end of the linear extension portion 58. The inclined portion 59 is linearly inclined forward as it approaches the left side (entrance/exit 43). The left end of the inclined portion 59 is connected to the left edge of the tabletop 52. Therefore, the length of the tabletop 52 in the front-to-rear direction is uniform at the position corresponding to the linear extension portion 58, and gradually becomes shorter as it approaches the left side at the portion corresponding to the inclined portion 59. Note that the inclined portion 59 is not limited to being linear, and may be arc-shaped or stepped, as long as it extends forward beyond the linear extension portion 58.

<Chair 12>
3 and 4, the chair 12 faces the lift-top display unit 11 in the front-rear direction. The chair 12 is arranged along the rear wall unit 22A inside the booth body 13. The chair 12 of this embodiment can be used by a user in both a seated position (see FIG. 4) and a standing position (see FIG. 3).

FIG. 6 is a perspective view showing a state in which the mounting mechanism 60 is attached to the booth body 13. As shown in FIG.
6, the chair 12 is connected to the booth body 13 via an attachment mechanism 60. The attachment mechanism 60 includes a horizontal frame 61, a backrest bracket 62, and a decorative cover 63.
The horizontal frame 61 is attached to the lower part of the rear wall unit 22A from the front of the rear wall unit 22A. A plurality of horizontal frames 61 (for example, two) are attached at intervals in the vertical direction. Specifically, the horizontal frame 61 in this embodiment includes a mounting plate 65 and a locking portion 66.

The mounting plate 65 extends in the left-right direction along the front surface of the rear wall unit 22A. The length of the mounting plate 65 in the left-right direction is equal to that of the rear wall unit 22A.
The locking portions 66 protrude rearward from both left and right ends of the mounting plate 65. The locking portions 66 are respectively locked in locking holes 36 that open forward in the vertical frame portions 35 that constitute the rear wall unit 22A. In this way, the horizontal frame 61 is fixed to the pillar body 25 via the rear wall unit 22A. The horizontal frame 61 may be configured to be directly fixed to the pillar body 25. The horizontal frame 61 is not limited to being locked via the locking portions 66, and can be appropriately modified by means of screws, welding, or the like.

The backrest brackets 62 are each engaged in an engagement hole 36 located above the horizontal frame 61 (engagement portion 66) of each vertical frame portion 35 constituting the rear wall unit 22A. In this embodiment, multiple pairs (e.g., two pairs) of left and right backrest brackets 62 are attached at intervals in the vertical direction.

The decorative cover 63 covers each of the horizontal frames 61 from the front at the lower left side of the rear wall unit 22A. The decorative cover 63 is formed in a plate shape with its thickness direction being in the front-to-rear direction. The front surface of the decorative cover 63 is formed in a flat surface perpendicular to the front-to-rear direction. In this embodiment, the decorative cover 63 is configured such that a cushioning material that covers the base material from the front is covered by an outer skin. The decorative cover 63 (base material) is attached to each of the horizontal frames 61, for example, by locking or the like.

FIG. 7 is a perspective view of the chair 12 as seen from the rear.
As shown in FIG. 7, the chair 12 includes a base 71, a backrest 72 (see FIG. 1), a seat 73, a connecting mechanism 74, a biasing member 75, and a cover member 76.

<Base 71>
The base 71 is attached to the horizontal frame 61 at a portion located to the right of the decorative cover 63 in front of the rear wall unit 22A (see FIG. 1). That is, the left-right length of the base 71 is shorter than the length of the horizontal frame 61 (the distance between adjacent support bodies 25 in the left-right direction). However, the length of the base 71 may be equal to the length of the horizontal frame 61. The base 71 is formed in a C-shape that opens forward in a plan view. Specifically, the base 71 includes a rear plate 81 and a side wall member 82.

The rear plate 81 extends in the left-right direction with the thickness direction being the front-to-rear direction. The rear plate 81 covers each of the horizontal frames 61 from the front at the bottom of the rear wall unit 22A. The rear plate 81 is attached to each of the horizontal frames 61 by, for example, screws. Therefore, the base 71 is fixed to the pillar body 25 via the horizontal frames 61 and the vertical frame portion 35. However, the method of attaching the rear plate 81 can be changed as appropriate.

As shown in Figs. 3 and 4, the sidewall member 82 is formed in a block shape. The sidewall member 82 protrudes forward from both left and right ends of the rear plate 81. The lower surface of the rear plate 81 is in contact with the floor surface F via an adjuster. The upper surface of the sidewall member 82 is an inclined surface 82a that extends downward toward the front. In this embodiment, the entire upper surface of the sidewall member 82 is an inclined surface 82a. However, as long as the upper surface of the sidewall member 82 does not interfere with the seat 73, it may be a curved surface or a stepped surface, or a flat surface perpendicular to the vertical direction.

<Backrest 72>
1 and 3, the backrest 72 is attached from the front to a portion of the rear wall unit 22A that is located above the base 71. The backrest 72 is a plate-like member having a thickness in the front-rear direction and is longer in the left-right direction than the base 71.

The backrest 72 is fixed to the backrest bracket 62 by screws or the like. As a result, the backrest 72 is spanned between the support body 25 via the vertical frame portion 35 of the rear wall unit 22A. Meanwhile, the left side (entrance 43 side) of the lower end of the backrest 72 is connected to the upper end of the decorative cover 63. In this embodiment, the front surface of the backrest 72 is arranged flush with the front surface of the decorative cover 63. The right side of the lower end of the backrest 72 is connected to the upper end of the base 71 (rear panel 81). The backrest 72 is formed of the same material as the decorative cover 63 described above. The backrest 72 may be configured to be located only above the base 71. Furthermore, the backrest 72 and the decorative cover 63 may be formed integrally. In that case, no gap is created between the backrest 72 and the decorative cover 63, and a good appearance can be obtained.

<Seat 73>
The seat 73 is connected to the base 71 via a connection mechanism 74. As shown in Fig. 3 and Fig. 4, the seat 73 is configured to be movable between a seating position (see Fig. 4: first position) where the seat surface 73a faces upward and an upright position (see dashed line in Fig. 3: second position) where the seat surface 73a faces forward. In the following description, unless otherwise specified, the seat 73 is in the seating position. In addition, the front side of the seat 73 in the seating position may be referred to as the first side, and the rear side may be referred to as the second side.

FIG. 8 is a cross-sectional view showing the chair 12 in a seated position corresponding to the line VIII-VIII in FIG.
As shown in Fig. 8, the seat 73 has the same length in the left-right direction as the base 71, and has a triangular appearance in a side view. The seat 73 is configured with a framework member made of plywood or the like covered with cushioning material and upholstery material. Specifically, the seat 73 is thickest in a portion (hereinafter referred to as the thickest portion 90) toward the front-to-rear center, and gradually becomes thinner from the thickest portion 90 toward both sides in the front-to-rear direction. The seat 73 includes a main portion 91 and side portions 94.

The main part 91 is formed in a plate shape extending in the left-right direction with the thickness direction being the up-down direction. The upper surface of the main part 91 constitutes the seat surface 73a described above. In this embodiment, the seat surface 73a is a flat surface formed along a plane perpendicular to the up-down direction. The first side end surface 91a of the main part 91 extends rearward (to the second side in the front-to-rear direction) as it extends downward. On the other hand, the second side end surface 91b of the main part 91 extends rearward as it extends downward.

In the plan view shown in FIG. 5, the front edge of the main part 91 extends linearly in the left-right direction. Therefore, the front edge of the main part 91 extends parallel to the linear extension part 58 of the top plate 52. In the illustrated example, the length of the seat 73 in the left-right direction is slightly shorter than the linear extension part 58 of the top plate 52. However, the lengths of the base 71, seat 73, and top plate 52 can be changed as appropriate. By setting the length of the base 71 and seat 73 in the left-right direction to be equal to or less than the length of the linear extension part 58, an entrance/exit space S1 in which no furniture is installed around the entrance/exit 43 is formed in the internal space S of the booth body 13. The entrance/exit space S1 can be used for entering and exiting the booth body 13, for storing luggage, etc.

The length of the seat 73 (main portion 91) in the front-to-rear direction is set to less than half that of the side wall member 82. In this embodiment, the front end surface of the side wall member 82 is located rearward of the center of the main portion 91 in the front-to-rear direction. Also, the front end of the main portion 91 overlaps with the rear end of the tabletop 52 in a plan view. That is, the front edge of the main portion 91 is located forward of the rear edge of the tabletop 52. However, the front edge of the main portion 91 may be located at the same position as the rear edge of the tabletop 52 or rearward.

As shown in FIG. 8, the side portions 94 are provided at both left and right ends of the main portion 91, each extending over the entire length in the front-rear direction. The outer surface of the side portion 94 is disposed flush with the outer surface of the side wall member 82 (at a position where they overlap in a plan view). Below the main portion 91, the space surrounded by the side portions 94 forms a recess 98 that opens downward and toward both the front-rear direction and both sides.

The side portion 94 is formed with a first side escape portion 95 and a second side escape portion 96, so that the side portion 94 is formed in a triangular shape whose length in the front-to-rear direction tapers downward in a side view.
The first side escape portion 95 is formed by opening forward and downward at a portion of the side portion 94 from the front end edge to the thickest portion 90. An edge portion 95a of the first side escape portion 95 is inclined backward as it extends downward.
The second side escape portion 96 is formed by opening rearward and downward from the rear end edge of the lateral portion 94 to the thickest portion 90. An edge portion 96a of the second side escape portion 96 is inclined forward as it extends downward. In this embodiment, the angle between the seat surface 73a and the edge portion 95a is larger than the angle between the seat surface 73a and the edge portion 96a.

The side portion 94 of the seat 73 faces the side wall member 82. In the seated position, the edge portion 96a of the seat 73 extends along the inclined surface 82a of the side wall member 82. In the illustrated example, the edge portion 96a and the inclined surface 82a are arranged parallel to each other.

FIG. 9 is a cross-sectional view showing the chair 12 in an upright position, taken along line VIII-VIII in FIG.
9, in the standing position, the edge 95a of the side portion 94 extends along the inclined surface 82a of the side portion 94. In the illustrated example, the edge 95a and the inclined surface 82a are arranged parallel to each other. Note that the seat 73 may be supported (abutted) from below by the side wall member 82 in either the sitting position or the standing position.

<Connection mechanism 74>
8 and 9, the connection mechanism 74 includes a link mechanism 120, a connecting portion 121, a first stopper 122, and a second stopper 123. A pair of link mechanisms 120 are provided on the left and right sides inside the base portion 71. In the following description, one of the link mechanisms 120 will be described as an example.
The link mechanism 120 includes a slider 124 , a fixed link 125 , a first rotating link 126 , a second rotating link 127 , and a third rotating link 128 .

As shown in Figures 2 and 8, the slider 124 is supported on the inner surface (the surface facing inward in the left-right direction) of the sidewall member 82 so as to be movable up and down. Specifically, a guide 130 is provided on the inner surface of the sidewall member 82. The guide 130 is formed in a plate shape extending along the up-down direction. As shown in Figure 2, the guide 130 has a rail 131 that protrudes toward the inside in the left-right direction. The rail 131 is configured with a pair of L-shaped protrusions extending in the up-down direction in a plan view. The inner side of the rail 131 is formed in a dovetail shape in a plan view.

The slider 124 includes a slide plate 135 and a roller 136 .
The slide plate 135 is formed in a plate shape with its thickness direction in the left-right direction. The slide plate 135 is disposed inside the guide 130 in the left-right direction and along the guide 130 in the up-down direction.
The roller 136 protrudes outward in the left-right direction from the slide plate 135. The roller 136 is supported by the slide plate 135 so as to be rotatable around an axis along the left-right direction. The roller 136 is accommodated inside the rail 131. The slider 124 moves up and down while the roller 136 rotates due to contact between the outer circumferential surface of the roller 136 and the inner surface of the rail 131. Note that the slider 124 only needs to be supported by the guide 130 so as to be able to move up and down, and is not limited to a combination of the rail 131 and the roller 136, and may be, for example, a combination of a protrusion and a groove or a long hole, or a combination of a roller and a long hole.

8, the fixed link 125 is fixed to the lower surface of the main portion 91. The fixed link 125 extends in the front-rear direction.
The first rotating link 126 connects between the fixed link 125 and the rear plate 81. Specifically, one end of the first rotating link 126 is rotatably connected to the front part of the fixed link 125 via a first pin 140 extending in the left-right direction. The other end of the first rotating link 126 is rotatably connected to a link stay 139 provided on the rear plate 81 via a second pin 141 extending in the left-right direction.

The second pivot link 127 connects between the fixed link 125 and the slider 124. The second pivot link 127 is shorter than the first pivot link 126. One end of the second pivot link 127 is pivotally connected to the rear of the fixed link 125 via a third pin 142 extending in the left-right direction. The other end of the second pivot link 127 is pivotally connected to the upper end of the slide plate 135 via a fourth pin 143 extending in the left-right direction. In this embodiment, the fourth pin 143 is located above and to the rear of the second pin 141.

The third pivot link 128 connects the first pivot link 126 and the slider 124. One end of the third pivot link 128 is pivotally connected to a portion of the first pivot link 126 located near the other end thereof via a fifth pin 144 extending in the left-right direction. The other end of the third pivot link 128 is pivotally connected to the slide plate 135 together with the second pivot link 127 described above via a fourth pin 143. However, the third pivot link 128 does not need to be connected coaxially with the second pivot link 127 as long as it is pivotally connected to the slider 124.

As shown in FIG. 7, the connecting portion 121 extends in the left-right direction along the rear plate 81 behind the link mechanism 120. The connecting portion 121 bridges between the upper ends of the sliders 124 (slide plates 135) in a pair of link mechanisms 120.

When the seat 73 is in the seating position shown in FIG. 8, the first pivot link 126 and the second pivot link 127 face obliquely upward and forward, and the third pivot link 128 faces obliquely upward and rearward.

FIG. 10 is an explanatory diagram of the operation of the seat 73.
As shown in FIG. 10, when the seat 73 moves from the seated position to the standing position, the link mechanism 120 rotates the rotary links 126-128 around the pins 140-144, and the slider 124 moves upward. As a result, the second side end of the seat 73 moves upward while the first side end moves backward, and the seat 73 reaches the standing position in which the seat surface 73a faces forward, as shown in FIG. 9. In this state, the rotary links 126-128 extend in the vertical direction with some parts overlapping each other when viewed from the left and right direction. The upper end of the slider 124 protrudes from the guide 130. In the standing position, the first rotary link 126 is slightly tilted forward in the vertical direction. On the other hand, in the standing position, the second rotary link 127 is slightly tilted forward in the vertical direction.

The first stopper 122 protrudes forward from the rear panel 81. The first stopper 122 restricts the rearward movement of the first pivot link 126. Specifically, when the seat 73 is in the upright position shown in FIG. 9, the first pivot link 126 approaches the first stopper 122 from the front. Note that the first pivot link 126 may abut against the first stopper 122 from the front when the seat 73 is in the upright position.

As shown in FIG. 8, the second stopper 123 is provided on the rear plate 81 at a portion located inside the first stopper 122 in the left-right direction. The second stopper 123 is formed in a crank shape in a side view. The second stopper 123 is disposed with its upper end separated from the rear plate 81 by having its lower end fixed to the rear plate 81. When the seat 73 is in the seating position, the connecting portion 121 of the second stopper 123 enters the gap between the upper end of the second stopper 123 and the rear plate 81 from above. As a result, the forward movement of the connecting portion 121 is restricted by the upper end of the second stopper 123, and the downward movement of the connecting portion that connects the upper end and the lower end of the second stopper 123 is restricted. The second stopper 123 may restrict the downward movement and the forward movement of the connecting portion 121 by separate members.

The biasing member 75 biases the seat 73 toward the upright position. The biasing member 75 is, for example, a gas spring. The lower end (piston rod) of the biasing member 75 is connected to the rear plate 81 so as to be rotatable around an axis along the left-right direction. On the other hand, the upper end (cylinder) of the biasing member 75 is connected to the lower surface of the main part 91 so as to be rotatable around an axis along the left-right direction. Specifically, the upper end of the biasing member 75 is connected behind the first pin 140 when the seat 73 is in the seated position. In the illustrated example, the upper end of the biasing member 75 is connected to the main part 91 between the first pin 140 and the second pin 141 in the front-rear direction. As a result, the biasing member 75 biases the seat 73 toward the upright position and biases the seat 73 forward. The biasing member 75 is not limited to a gas spring and can be appropriately changed to a torsion spring or the like. The biasing member 75 is not an essential component.

As shown in Figures 3, 4, and 7, the connection mechanism 74 and the biasing member 75 are at least partially surrounded on both the left and right sides by the side wall members 82 of the base 71 and the side portions 94 of the seat 73 in both the seated and standing positions. Specifically, the lower portions of the connection mechanism 74 and the biasing member 75 are housed inside the pair of side wall members 82. Meanwhile, the upper portions of the connection mechanism 74 and the biasing member 75 are housed inside the pair of side portions 94 (inside the recesses 98). As a result, at least a portion of the connection mechanism 74 and the biasing member 75 cannot be seen in a side view.

<Cover Member 76>
As shown in FIGS. 7 to 9, the cover member 76 includes a non-stretchable portion 160 and a stretchable portion 161 .
The non-extendable portion 160 is a plate material made of, for example, metal, etc. The non-extendable portion 160 spans between a pair of first rotating links 126 in the link mechanism 120. The non-extendable portion 160 extends over approximately the entire length of the first rotating links 126, and covers the connection mechanism 74 and the biasing member 75 from the front.

As shown in FIG. 7, the stretchable portion 161 is formed in a band shape, for example, from a woven fabric. The stretchable portion 161 is stretchable in the vertical and horizontal directions. The stretchable portion 161 has a joint 165 at a portion located behind the connection mechanism 74 when the seat 73 is in the upright position. The joint 165 is a portion of the stretchable portion 161 where both ends of the band are joined together by a hook-and-loop fastener or the like. In this embodiment, the joint 165 extends over the entire length of the stretchable portion 161 in the vertical direction when the seat 73 is in the upright position. As a result, the stretchable portion 161 is formed in a cylindrical shape that surrounds the connection mechanism 74 and the biasing member 75 between the base 71 and the seat 73.

Of the upper edge of the expandable portion 161, the portions located to the rear and on both the left and right sides with respect to the link mechanism 120 are joined to the underside of the main portion 91 by, for example, a hook-and-loop fastener. Of the lower edge of the expandable portion 161, the portions located to the rear and on both the left and right sides with respect to the link mechanism 120 are joined to the front surface of the rear plate 81 by, for example, a hook-and-loop fastener.
On the other hand, the portion of the expandable portion 161 that is located in front of the link mechanism 120 is fixed to the first rotating link 126 together with the non-expandable portion 160 described above. However, the method of fixing the cover member 76 can be changed as appropriate.

[How to use Booth 1]
Next, a method of using the booth 1 described above will be described. In the following explanation, a method of using the booth 1 in the standing position and a method of using the booth 1 in the sitting position will be mainly described. In the following explanation, the seat 73 is in the standing position due to the biasing force of the biasing member 75, and the tabletop 52 is set to the height used when the seat 73 is in the standing position will be described as an initial state.
1, first, the sliding door 42 is moved to the open position, and the person enters the booth body 13 through the entrance 43. After that, the person enters between the lift-top display unit 11 and the chair 12, and faces the lift-top display unit 11.

As shown in FIG. 3, when the seat 73 is in the standing position, the seat surface 73a faces diagonally upward and forward, with the first side end positioned downward and the second side end positioned upward. In this state, when the user leans back on the seat 73, the buttocks are supported by the second side end of the seat 73 (sitting position). This allows the user to sit on the seat 73 in an upright position and work facing the lift-top display unit 11.

FIG. 11 is a cross-sectional view showing the chair 12 in a seated position corresponding to the line VIII-VIII in FIG.
As shown in FIG. 11, when a user sits on the seat 73 in the standing position, the user's weight acts on the seat 73 in a rearward and downward direction. Then, each of the pivot links 126 to 128 rotates around the pins 140 to 144. As a result, the seat 73 is in a seated position tilted backward from the standing position. In the seated position, the second side end of the seat 73 abuts against the backrest 72, or the first pivot link 126 abuts against the first stopper 122, so that the seat 73 is restricted from moving backward. In addition, in the seated position, the first pivot link 126 is perpendicular to the floor surface F or slightly tilted backward. Therefore, even if a load acts downward on the seat 73, the first pivot link 126 is less likely to rotate forward. As a result, the seat 73 can be prevented from unexpectedly moving from the seated position to the sitting position via the standing position. When the user stops sitting on the seat 73, the seat 73 returns from the sitting position to the standing position due to the biasing force of the biasing member 75. This makes it easier for the first pivot link 126 to pivot forward when the second side end is pressed downward against the seat 73.

Next, when the seat 73 is to be used in a seated position, the second side end is pushed downward with respect to the seat 73 in the upright position shown in FIG. 9. Then, as shown in FIG. 10, the pivot links 126-128 pivot about the pins 140-144, and the slider 124 moves downward. This causes the seat 73 to move toward the seated position against the biasing force of the biasing member 75. Specifically, the seat 73 moves toward the seated position along the front surface of the backrest 72 and the inclined surface 82a of the side wall member 82 by sliding the second side end downward and the first side end forward.

When the seat 73 is in the seated position, the seat surface 73a faces upward. As a result, as shown in FIG. 4, the user can sit on the seat 73 with the area from the buttocks to the thighs supported by the seat surface 73a.

The user can also set the height of the tabletop 52 to suit the seated posture by operating the operating unit 56a. Specifically, when the operating unit 56a is operated, the lifting unit 56 contracts, causing the tabletop 52 to lower. This allows the user to work on the tabletop 52 while seated on the seat 73.

When the user stands up while the seat 73 is in the seated position, the seat 73 returns to the standing position due to the biasing force of the biasing member 75. That is, as the pivot links 126-128 rotate about the pins 140-143, the slider 124 moves upward, and the second side end of the seat 73 moves upward while the first side end moves backward. As a result, the seat 73 stands up while avoiding the rear edge of the top plate 52, and assumes the standing position with the seat surface 73a facing forward.

Here, the length (depth) of the seat surface 73a in the front-rear direction when it is in the seated position shown in FIG. 4 is L1, and the shortest distance between the seat surface 73a and the rear edge (straight extension portion 58) of the tabletop 52 when it is in the standing position shown in FIG. 3 is L2. In this case, it is preferable to set L2×2≧L1≧L2×1.5. In this embodiment, the shortest distance L2 is the distance in the front-rear direction between the second side edge of the seat 73 and the straight extension portion 58.

In other words, by making the length L1 of the seat surface 73a at least 1.5 times the shortest distance L2 between the seat surface 73a and the top board 52 in the standing position, it becomes easier to ensure the depth length of the seat surface 73a. Therefore, the booth 1 can be used comfortably in a seated position.
Furthermore, by making the length L1 of the seat 73a less than twice the shortest distance L2 between the seat 73a and the table top 52 in the standing position, the backrest 72 can be easily used when seated and also in the standing position, ensuring ease of use on the table top 52 while sitting on the seat 73 in the perched position.

In this embodiment, the shortest distance L2 is set to a distance that allows a user to enter between the lift-top fixture 11 and the chair 12 and allows the user to work on the top 52 while sitting on the seat 73 in the seating position. As such a distance, the shortest distance L2 is preferably set in the range of 200 mm≦L2≦367 mm, for example, and more preferably in the range of 250 mm≦L2≦300 mm.
In contrast, the depth length L1 of the seat 73 is set to a length that allows the seat 73 to support the portion of the user from the buttocks to the thighs in the seated position, and allows the seat 73 to support the user's buttocks in the perched position, while allowing the backrest 72 to support the user's back. As such a distance, the depth length L1 is preferably set in the range of 400 mm≦L1≦550 mm, and more preferably set in the range of 450 mm≦L1≦500 mm.

In this manner, in this embodiment, the liftable tabletop fixture 11 and chairs 12 are installed within the booth body 13.
According to this configuration, when the height of the top plate 52 is lowered, the seat 73 is moved to the seated position, so that the user can use the top plate lifting fixture 11 in a seated position. On the other hand, when the height of the top plate 52 is increased, the seat 73 is moved to the standing position, so that the user can use the top plate lifting fixture 11 in a standing position. In particular, when the user uses the top plate lifting fixture 11 in a standing position, the seat 73 is moved to the standing position, so that the distance between the chair 12 and the top plate lifting fixture 11 can be easily secured. Therefore, when the user uses the top plate lifting fixture 11 in a standing position, the chair 12 is unlikely to get in the way, even if the booth body 13 is not enlarged. As a result, the booth body 13 can be made smaller and usability can be improved.
Moreover, in this embodiment, the first side end portion, which is the front end portion of the seat 73, moves upward while the second side end portion, which is the rear end portion of the seat 73, moves backward, thereby moving from the seated position to the standing position. Therefore, compared to a configuration in which the seat 73 rotates around the rear end portion (a flip-up type), the movement trajectory of the seat 73 when moving from the seated position to the standing position can be positioned further backward. As a result, it becomes easier to ensure the distance between the lift-top type furniture 11 and the chair 12.

In this embodiment, when the seat 73 is in the seating position, the linear extension portion (extension portion) 58 located on the rear edge (front edge) of the table top 52 extends along the first side edge of the seat 73 .
According to this configuration, when the seat 73 is in the seating position, the distance in the front-rear direction between the chair 12 and the table top 52 can be made uniform regardless of the seating position of the seat 73 in the left-right direction. This can improve usability.

In this embodiment, an entrance/exit 43 is formed in a portion of the booth body 13 that faces the chair 12 in the left-right direction, and the rear end edge of the tabletop 52 is configured to have an inclined portion 59 that extends forward from the straight extension portion 58 toward the left side (one side in the left-right direction).
According to this configuration, since the inclined portion 59 extends forward toward the entrance/exit 43, an entrance/exit space S1 is formed within the booth body 13, in which no furniture (e.g., lift-top furniture 11 or chairs 12) is installed around the entrance/exit 43. In this case, by combining the straight extension portion 58 with the inclined portion 59, the straight extension portion 58 can position the top 52 close to the user, and the front-to-rear width of the top 52 can be secured in front of the user. Therefore, a top 52 that is easy to enter and exit the booth 1 and is easy to use can be obtained.

In this embodiment, when the seat 73 is in the seating position, the front end of the main portion 91 overlaps with the rear end (the front end) of the table top 52 in a plan view.
This configuration allows for further miniaturization of the booth body 13. Also, since the liftable tabletop fixture 11 and the chair 12 can be brought closer together, particularly at the seating position, usability can be improved.

In this embodiment, a biasing member 75 is provided to bias the seat 73 toward the upright position.
According to this configuration, when the load acting on the seat 73 in the seated position becomes less than the biasing force of the biasing member 75 due to the user standing up or the like, the seat 73 automatically moves to the standing position. This makes it easier to ensure space in front of the chair 12 when the user is standing up or when the chair 12 is not in use. In this case, it becomes easier to enter and exit between the lift-top display unit 11 and the chair 12 from the side, improving usability.

In this embodiment, the front surface (back support surface) of the backrest 72 may extend linearly in the up-down direction in a side view.
According to this configuration, the distance between the top plate 52 and the front surface of the backrest 72 can be made uniform regardless of the height of the top plate 52. Therefore, the feeling of using the backrest 72 can be made the same in both the seated and standing positions, and the user is less likely to feel uncomfortable.

(Other Modifications)
Although the preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments. Addition, omission, substitution, and other modifications of the configuration are possible without departing from the spirit of the present invention. The present invention is not limited by the above description, but is limited only by the scope of the attached claims.
In the above embodiment, the liftable tabletop display unit according to the present invention is applied to a desk, but the present invention is not limited to this configuration. The liftable tabletop display unit may be, for example, a shelf, in addition to a desk. The chair 12 may be a sofa, a sofa bed, or the like.

In the above embodiment, a configuration including the link mechanism 120 has been described as an example of the connection mechanism 74, but the connection mechanism 74 is not limited to this configuration. The connection mechanism 74 may be, for example, a combination of a slide groove and a slider.
In the above embodiment, the biasing member 75 is used to hold the seat 73 in the upright position, but the present invention is not limited to this configuration. A mooring member for mooring the seat 73 to the rear wall unit 22A, the backrest 72, or the like may be provided in the upright position. In addition, the seat 73 may have at least an upward component in the first position (seated position), and at least an forward component in the second position (upright position).

In the above embodiment, the operating unit is located on the right side of the underside of the tabletop 52, but this configuration is not limited to this. For example, the operating unit may be located on the underside of the tabletop 52 on the side of the entrance/exit 43 (e.g., near the inclined portion 59).

In the above embodiment, a configuration has been described in which the tabletop 52 rises and falls when the user operates the operating unit 56a, but this configuration is not limited to the above. The tabletop 52 may be configured to rise and fall automatically depending on the position of the seat 73. Specifically, the tabletop 52 may rise when it detects that the seat 73 has moved from a seated position to a standing position, and may lower when it detects that the seat 73 has moved from a standing position to a seated position.

In addition, the components in the above-described embodiment may be replaced with well-known components as appropriate without departing from the spirit of the present invention, and the above-described modified examples may be combined as appropriate.

1...booth 11...lifting tabletop fixture 12...chair 13...booth body 43...entrance/exit 52...tabletop 52a...work surface (upper surface)
58...Straight line extension portion (extension portion)
59... Inclined portion 72... Backrest 73a... Seat surface S... Internal space

Claims (5)

The booth body divides the interior space,
A liftable tabletop fixture is arranged in the booth body and can be raised and lowered in the vertical direction with the top surface of the tabletop at a certain angle with the floor surface;
A chair arranged in the booth body so as to face the lift-top fixture in the front-rear direction,
The seat of the chair is configured to be movable to a second position in which the seat surface faces forward by moving a first side end portion, which is a front end portion of the seat, backward while moving a second side end portion, which is a rear end portion of the seat, upward, in a first position in which the seat surface faces upward ;
The front edge of the tabletop has an extension that extends along the first side edge of the seat when the seat is in the first position . In the booth body, a portion facing the chair in the left-right direction is formed with an entrance opening toward one side in the left-right direction,
2. The booth according to claim 1 , wherein a front edge of the tabletop has an inclined portion extending toward the rear as it moves from the extension portion to one side in the left-right direction. The booth body divides the interior space,
A liftable tabletop fixture is arranged in the booth body and can be raised and lowered in the vertical direction with the top surface of the tabletop at a certain angle with the floor surface;
A chair arranged in the booth body so as to face the lift-top fixture in the front-rear direction,
The seat of the chair is configured to be movable to a second position in which the seat surface faces forward by moving a first side end portion, which is a front end portion of the seat, backward while moving a second side end portion, which is a rear end portion of the seat, upward, in a first position in which the seat surface faces upward;
The chair includes a biasing member biasing the seat toward the second position. The booth body divides the interior space,
A liftable tabletop fixture is arranged in the booth body and can be raised and lowered in the vertical direction with the top surface of the tabletop at a certain angle with the floor surface;
A chair arranged in the booth body so as to face the lift-top fixture in the front-rear direction,
The seat of the chair is configured to be movable to a second position in which the seat surface faces forward by moving a first side end portion, which is a front end portion of the seat, backward while moving a second side end portion, which is a rear end portion of the seat, upward, in a first position in which the seat surface faces upward;
The chair includes a backrest located at the rear of the seat,
The back support surface of the backrest extends linearly in the vertical direction in a side view of the booth . The booth body divides the interior space,
A liftable tabletop fixture is arranged in the booth body and can be raised and lowered in the vertical direction with the top surface of the tabletop at a certain angle with the floor surface;
A chair arranged in the booth body so as to face the lift-top fixture in the front-rear direction,
The seat of the chair is configured to be movable to a second position in which the seat surface faces forward by moving a first side end portion, which is a front end portion of the seat, backward while moving a second side end portion, which is a rear end portion of the seat, upward, in a first position in which the seat surface faces upward;
The liftable tabletop fixture is a booth configured so that the height of the tabletop can be changed in conjunction with the position of the seats.

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