chair
The chair integrates a display unit on a rear portion serving as a handle, addressing the issue of visibility by positioning it behind the back plate, ensuring it remains visible and secure.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2022-06-10
- Publication Date
- 2026-03-19
AI Technical Summary
The existing chair design in Citation Document 1 hides the display board when a user sits and leans against the backrest, as the user's clothes cover it.
The chair is designed with a display unit positioned on a rear portion behind the back plate, which is integrated with a projection that serves as a handle, ensuring the display unit remains visible and eliminating the need for a separate structure.
The display unit is kept visible and functional without being obscured by clothing, utilizing the rear portion as a handle, enhancing visibility and fixing strength through integration with a metal pipe.
Smart Images

Figure 0007833181000001 
Figure 0007833181000002 
Figure 0007833181000003
Abstract
Description
Technical Field
[0001] The present disclosure relates to a chair.
Background Art
[0002] Citation Document 1 discloses a chair provided with a display board having a display surface on which individual numbers are displayed. The display board has substantially the same shape as an opening groove provided at the upper end of the backrest and is fitted into the opening groove.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004] However, in the chair of Citation Document 1, when a user sits on the chair and leans against the backrest, the user's clothes cover the display board, and the display board is hidden. One aspect of the present disclosure provides a chair provided with a display board at a position with good visibility.
Means for Solving the Problems
[0005] One aspect of the present disclosure is a chair including a back plate, a rear portion, and a display portion. The back plate is configured to support the back of a user of the chair. The rear portion is provided behind the upper end portion of the back plate. The display portion has a display surface that can be visually recognized from above. Further, the display portion is provided on the rear portion. According to such a configuration, the display portion is provided behind the back plate. Therefore, the display portion can be provided at a position where it is difficult to be hidden by the clothes of the seated person, that is, at a position with good visibility.
[0006] In one aspect of this disclosure, the display unit may be provided at the rear end of the rear section. With this configuration, the display unit is located away from the seated person. Therefore, the display unit can be positioned in a location that is more easily visible.
[0007] One aspect of this disclosure may further include a projection extending in the left-right direction at the upper end of the back plate, with the central part in the left-right direction projecting backward. The aforementioned rear portion may be the projection. With such a configuration, the projection projecting backward can be used as a handle. Furthermore, since the display unit is provided on the handle, there is no need to provide a separate structure for arranging the display unit.
[0008] In one aspect of this disclosure, the rear portion may be the part extending rearward from the upper end of the back plate. With this configuration, the rearward-extending portion can be used as a handle. Furthermore, since the display unit is provided on the handle, there is no need to provide a separate structure for arranging the display unit. [Brief explanation of the drawing]
[0009] [Figure 1] This is a perspective view of the chair from the front. [Figure 2] This is a perspective view from the back of the chair. [Figure 3] This is a perspective view of the back panel from the back side. [Figure 4] This is a perspective view of the back panel from the front. [Figure 5] This is a front view of the back panel. [Figure 6] This is a side view of the back panel. [Figure 7] Figure 7A is a cross-sectional view of Figure 5 along the line VIIA-VIIA. Figure 7B is an enlarged view of the cross-section near the upper pipe. [Figure 8] This is a rear view of the back panel, with everything except the display area transparent. [Figure 9] This is a top view of the modified chair. [Figure 10] This is a perspective view of the modified chair, seen from the back. [Figure 11]It is a perspective view seen from the front side of the chair of the modified example. [Figure 12] It is a cross-sectional view of the chair of the modified example. [Figure 13] It is a perspective view of the display part of the modified example.
Mode for Carrying Out the Invention
[0010] Hereinafter, exemplary embodiments of the present disclosure will be described with reference to the drawings. [1. Configuration] [1-1. Chair] The chair 1 shown in FIGS. 1 and 2 includes a support 10, a seat body 20, a backrest 30, and a rear part 40. In the following description, the vertical direction, the front-rear direction, and the left-right direction are expressed based on a user who is normally seated on the chair 1.
[0011] The support 10 is formed by bending and welding a tubular metal pipe and supports the seat body 20 and the backrest 30. The support 10 has a right leg body 11, a left leg body 12, a front connecting part 13, a rear connecting part 14, and a backrest frame 15.
[0012] The right leg body 11 and the left leg body 12 are annular members having a substantially rectangular annular shape when viewed from the left-right direction. The front connecting part 13 is a member that extends straight and connects the pipes in front of the right leg body 11 and the left leg body 12.
[0013] The rear connecting part 14 is a member that curves so as to be convex toward the rear side and connects the pipes behind the right leg body 11 and the left leg body 12. The backrest frame 15 is a member that connects to the connecting portion with the rear connecting portions 14 of the right foot body 11 and the left foot body 12 and is bent into a substantially U-shaped form with the lower side opening when viewed from the front-rear direction. The backrest frame 15 has left and right pipes 151, 152 and an upper pipe 153. The upper pipe 153 of the backrest frame 15 is curved so as to be convex toward the rear side, and connects the left and right pipes 151, 152 of the backrest frame 15 that extend upward from the connecting portion with the rear connecting portions 14 of the right foot body 11 and the left foot body 12. The backrest frame 15 forms the left and right pipes 151, 152 and the upper pipe 153 by bending a single metal pipe. The backrest frame 15 has a substantially L-shaped form in which the upper end portion is bent rearward when viewed from the left-right direction.
[0014] The seat body 20 is configured such that a user can sit on it. The seat body 20 is substantially rectangular in top view and has a shape that is curved so that the rear end portion is convex toward the rear side. The seat body 20 has a substantially L-shaped form in which the front end portion is bent downward when viewed from the left-right direction. The seat body 20 is supported by the right foot body 11, the left foot body 12, the front connecting portion 13, and the rear connecting portion 14. Specifically, both side end portions in the left-right direction of the seat body 20 are connected to the upper pipes of the right foot body 11 and the left foot body 12, the front end portion of the seat body 20 is connected to the front connecting portion 13, and the rear end portion of the seat body 20 is connected to the rear connecting portion 14.
[0015] The back plate 30 is substantially rectangular in front view and is configured to support the back of the sitting user. Also, in plan view, the back plate 30 is gently curved such that both left and right side end portions are positioned more forward and the central portion is positioned more rearward. In other words, the back plate 30 has a shape that is curved so as to be convex toward the rear side. The back plate 30 is supported by the backrest frame 15.
[0016] The rear section 40 is located behind the back plate 30. The rear section 40 protrudes rearward from the upper end of the back plate 30, and when the back plate 30 and the rear section 40 are combined, they form a roughly L-shape when viewed from the left or right direction. The rear section 40 comprises an extension 41 and an upper pipe 153. The extension 41 is formed integrally with the back plate 30 and is a plate-shaped member that extends rearward from the upper end of the back plate 30. The extension 41 has a roughly crescent shape when viewed from above. A recess is provided on the lower surface of the extension 41, allowing the user to use the extension 41 as a handgrip by placing their hand in the recess.
[0017] [1-2.Display section] As shown in Figures 3 to 7, a display unit 50 is provided in the rear section 40. The display unit 50 is a plate having a display surface that is visible from above. The display unit 50 is provided at the rear end of the rear section 40. In this embodiment, the display unit 50 is provided on the upper surface of the upper pipe 153. More specifically, the display unit 50 is provided on the upper surface of the upper pipe 153, in the central part in the left-right direction. The display unit 50 has a shape that protrudes convexly toward the rear side, following the curved shape of the upper pipe 153.
[0018] As shown in Figure 8, the display unit 50 has a first plate portion 51 and a second plate portion 52. The first plate portion 51 is a flat, box-shaped member with an open top that forms the lower part of the display unit 50. The second plate portion 52 is a plate-shaped member that forms the upper part of the display unit 50. Two holes (not shown) are formed on the lower surface of the first plate portion 51. The first plate portion 51 is fixed to the upper pipe 153 by aligning two holes (not shown) provided in the upper pipe 153 with two holes provided in the first plate portion 51 and inserting two screws 53 from above. After that, the second plate portion 52 is placed over the first plate portion 51 and the joint surface is bonded to form the display unit 50. Alternatively, rivets may be used instead of screws 53 to fix the first plate portion 51 to the upper pipe 153. Alternatively, the first plate portion 51 may be fixed to the upper pipe 153 by aligning the two holes provided in the upper pipe 153 with the two holes provided in the first plate portion 51 and inserting two screws 53 from below.
[0019] As shown in Figures 7A and 7B, the first plate portion 51 has a groove 511 formed on its lower surface that is convex upward along the upper surface of the upper pipe 153. The groove 511 is curved to be convex toward the rear, following the curvature of the upper pipe 153. With this configuration, the display unit 50 can be fixed along the curvature of the upper pipe 153, so that the display unit 50 does not tilt and the display surface can be kept facing upward.
[0020] [2. Effects] According to the embodiments described in detail above, the following effects can be obtained. (2a) The display unit 50 is provided at the rear end of the rear section 40. With this configuration, the display unit 50 is provided at a position away from the backrest 30. Therefore, even when the user sits in the chair 1 and leans against the backrest 30, the user's clothing is prevented from covering the display unit 50 and obscuring it. Thus, the display unit 50 can be provided in a position that is more visible.
[0021] (2b) A recess is provided on the lower surface of the rear section 40, and the user can use the rear section 40 as a handle by placing their hand in the recess. With this configuration, since the display section 50 is provided on the handle, there is no need to provide a separate structure for arranging the display section 50.
[0022] (2c) The display unit 50 has a shape that protrudes in a convex direction toward the rear, following the curved shape of the upper pipe 153. With this configuration, when the upper pipe 153 is used as a handle, the discomfort of the corners of the display unit hitting the hand can be reduced.
[0023] (2d) The display unit 50 is provided on the upper pipe 153. The upper pipe 153 is made of a metal pipe. With this configuration, the upper pipe 153 is suitable for use as a handle, and because the display unit 50 is fixed to a hard metal, the fixing strength is improved compared to when the display unit 50 is fixed to a cloth or plastic material.
[0024] Furthermore, the upper pipe 153 is curved so as to be convex toward the rear. The groove 511 of the display unit 50 is also curved so as to be convex toward the rear, following the surface shape of the upper pipe 153. As a result, the curved upper pipe 153 fits into the curved groove 511, which prevents the display unit 50 from rotating around the upper pipe 153 as an axis. Thus, the fixing strength of the display unit 50 can be improved.
[0025] [3. Other Embodiments] While embodiments of this disclosure have been described above, it goes without saying that this disclosure is not limited to the embodiments described above and can take various forms.
[0026] (3a) In the above embodiment, the rear portion 40 is shaped to protrude rearward from the upper end of the back plate 30, and the rear portion 40 is exemplified as including the upper pipe 153. However, the shape of the rear portion is not limited to this. The rear portion 140 does not have to have an extension portion 41. For example, the rear portion 140 may be configured to extend in the left-right direction at the upper end of the back plate 130, like the upper pipe 153, with the central part in the left-right direction protruding rearward. As shown in Figure 9, the upper end of the back plate 130 of the chair 100 does not have to be bent rearward. The back plate 130 may be supported by the backrest frame 15 such that there is a gap 131 between the upper end of the back plate 130 and the upper pipe 153. In such a configuration, the gap 131 functions as a handhold. The display portion 50 is provided on the upper surface of the upper pipe 153. In this modified example, the upper pipe 153 corresponds to the protruding portion and the rear portion.
[0027] Furthermore, as shown in Figures 10 and 11, for example, the chair 200 does not need to have an upper pipe 153. The rear section 240 is the part that extends rearward from the upper end of the backrest 30. In this configuration, the rear section 240 functions as a handrail. The display section 50 is provided at the rear end of the rear section 240.
[0028] (3b) In the above embodiment, the display unit 50 is provided at the rear end of the rear section 40 as an example. However, the position in which the display unit is provided is not limited to this. The display unit 350 may be provided behind the rear end of the back plate 30. Behind the rear end of the back plate 30 means the portion that protrudes backward from the rear end of the thickness of the back plate 30. For example, as shown in Figure 12, the display unit 350 may be provided behind the rear end of the back plate 30 and in front of the front end of the upper pipe 153. In other words, the display unit 350 may be provided on the extension 41. If the upper surface of the extension 41 is flat, the lower surface of the display unit 350 may also be flat.
[0029] Furthermore, in the above embodiment, a configuration was illustrated in which the display unit 50 does not overlap with the back plate 30 when viewed from above. However, a part of the display unit 50 may overlap with the back plate 30 when viewed from above. The display unit 50 only needs to be provided on at least a part of the rear section 40. A part of the display unit 50 may protrude from the rear section 40 and overlap with the back plate 30 when viewed from above, or it may protrude further rearward than the upper pipe 153. Also, the area of the display unit 50 in which characters or the like that substantially indicate information are displayed should be located on the rear section 40. For example, the area of the display unit 50 in which no characters or the like are displayed may be located on the upper surface of the back plate 30, and the area of the display unit 50 in which characters or the like are displayed may be located on the upper surface of the extension 41.
[0030] (3c) In the above embodiment, a configuration in which the display unit 50 has the shape of a plate was illustrated. However, the shape of the display unit is not limited to this. For example, the display unit 450 may have the shape of a triangular prism with length in the left-right direction, as shown in Figure 13.
[0031] (3d) The functions of one component in the above embodiment may be distributed among multiple components, or the functions of multiple components may be integrated into one component. Also, some of the configurations of the above embodiment may be omitted. Also, at least some of the configurations of the above embodiment may be added to, replaced with, or otherwise adapted to the configurations of other above embodiments. [Explanation of Symbols]
[0032] 1,100,200...Chair, 10...Support, 11...Right leg, 12...Left leg, 13...Front connecting part, 14...Rear connecting part, 15...Backrest frame, 20...Seat, 30,130...Backrest, 40,240...Rear part, 41...Extension part, 50,350,450...Display part, 51...First plate part, 52...Second plate part, 53...Screw, 131...Gap, 151...Left and right pipes, 152...Left and right pipes, 153...Upper pipe, 511...Groove.
Claims
1. It is a chair, The chair has a backrest that is configured to support the back of the user, A rear portion provided behind the upper end of the back plate, A display unit having a display surface visible from above, Equipped with, The display unit is fixed to the rear part, The rear portion includes an extension that extends rearward from the upper end of the back plate, The extension is plate-shaped with its upper and lower surfaces being substantially parallel. chair.
2. The chair according to claim 1, The extension portion has dimensions in the front-to-back direction that are smallest at both ends in the left-to-right direction and largest in the center in the left-to-right direction. chair.
3. A chair according to claim 1 or claim 2, The aforementioned rear section is equipped with a pipe, The aforementioned pipe is a chair provided behind the extension.
4. A chair, The chair has a backrest that is configured to support the back of the user, A rear portion provided behind the upper end of the back plate, A display unit having a display surface visible from above, Equipped with, The display unit is fixed to the rear part, The rear section of the chair is provided with a pipe that is positioned between it and the backrest with a gap in between.
5. A chair, The chair has a backrest that is configured to support the back of the user, A rear portion provided behind the upper end of the back plate, A display unit having a display surface visible from above, Equipped with, The display unit is fixed to the rear part, The rear portion has dimensions in the front-to-back direction that are smallest at both ends in the left-to-right direction and largest in the center in the left-to-right direction. chair.
6. A chair according to any one of Claim 1, Claim 2, Claim 4, or Claim 5, The display unit is a chair provided at the rear end of the rear section.
7. A chair according to claim 3 or claim 4, The aforementioned pipe extends horizontally from the upper end of the backrest, and its central portion in the horizontal direction protrudes backward, in a chair.
8. A chair according to any one of Claim 1, Claim 2, Claim 4, or Claim 5, The rear portion is the part of the chair that extends backward from the upper end of the backrest.
Citation Information
Patent Citations
Dining chair convenient to look for
CN205125643U
Method of sealing top section of carton
JP1983020603A
Number pre - sheet -
JP1986013888U
chair with seat number
JP1995011947U
Attaching structure of back board in chair
JP2006136573A