Partition grid and method for constructing partition grid

Abstract

To provide partition grids with small construction burden for operators.SOLUTION: A partition grid comprises: an upper horizontal frame; a lower horizontal frame; and a plurality of vertical grid materials arranged at specific intervals in a left-right direction. An upper end of the vertical grid material is fixed to the upper horizontal frame. A lower end of the vertical grid material is fixed to the lower horizontal frame. A plurality of insertion grooves with at least one of a front surface side and a rear surface side open are provided in at least one of the upper horizontal frame and the lower horizontal frame. At least one of the upper end and the lower end of the vertical grid material is inserted into the insertion groove and positioned in at least one of the upper horizontal frame and the lower horizontal frame.SELECTED DRAWING: Figure 16

Description

[Technical Field]

[0001] The technology disclosed in this specification relates to a partition lattice and a method for installing the partition lattice. [Background technology]

[0002] Patent Document 1 discloses a partition lattice consisting of multiple lattice units and left and right vertical frames. Each lattice unit is a structure in which multiple vertical lattice members are arranged upright between an upper horizontal bar and a lower horizontal bar. The multiple lattice units include an upper unit, a middle unit, and a lower unit. The upper unit, middle unit, and lower unit are arranged vertically between the left and right vertical frames and are fixed to the left and right vertical frames, respectively. The technology in Patent Document 1 aims to reduce the number of processing steps required on site by assembling multiple lattice units in advance at a factory or other facility. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2009-287189 Summary of the Invention [Problem to be solved by the invention]

[0004] In the technology of Patent Document 1, the multiple lattice units prepared in advance are often large and heavy. Therefore, the burden on workers in each task, such as transporting, arranging, and assembling each lattice unit, is often heavy. It may be difficult for a single worker to carry out the work.

[0005] This specification provides a partition lattice that places a small burden on workers during installation. [Means for solving the problem]

[0006] The partition lattice disclosed in this specification comprises an upper horizontal frame, a lower horizontal frame, and a plurality of vertical lattice members arranged at specific intervals in the left-right direction. The upper ends of the vertical lattice members are fixed to the upper horizontal frame. The lower ends of the vertical lattice members are fixed to the lower horizontal frame. At least one of the upper horizontal frame and the lower horizontal frame has a plurality of insertion grooves that are open on at least one of the front and rear sides. At least one of the upper and lower ends of the vertical lattice members is inserted into the insertion groove and positioned on at least one of the upper horizontal frame and the lower horizontal frame.

[0007] With the above configuration, when forming a partition lattice, the worker can insert the vertical lattice members one by one into the insertion grooves, position them, and fix them to the upper and lower horizontal frames. During construction, the worker can form the partition lattice by attaching the vertical lattice members one by one between the upper and lower horizontal frames. Compared to conventional configurations that require the placement and assembly of large, heavy lattice units, this reduces the burden on the worker. Construction work can be performed by a single worker.

[0008] The front-to-rear width of each of the plurality of vertical lattice members may be greater than the front-to-rear width of the upper horizontal frame and the front-to-rear width of the lower horizontal frame.

[0009] This configuration makes the completed partition lattice look more vertically focused. A vertically focused partition can give a sophisticated impression to the viewer. This configuration can provide an excellent aesthetic appearance.

[0010] The ends of the two upper horizontal frames may be connectable to each other, and the ends of the two lower horizontal frames may be connectable to each other.

[0011] With this configuration, a larger partition lattice can be formed by first forming multiple small-sized partition lattices and then assembling them by connecting the ends of the upper horizontal frames together and the ends of the lower horizontal frames together. Small-sized partition lattices can be assembled with little effort (for example, by one worker). Therefore, by installing multiple small-sized partition lattices in predetermined positions in order and connecting the ends of the upper horizontal frames together and the ends of the lower horizontal frames together, a larger-sized partition lattice can be formed with little effort (for example, by one worker).

[0012] The insertion grooves may be provided in both the upper horizontal frame and the lower horizontal frame. The upper ends of the vertical lattice members may be inserted into the insertion grooves of the upper horizontal frame to be positioned relative to the upper horizontal frame, and the lower ends of the vertical lattice members may be inserted into the insertion grooves of the lower horizontal frame to be positioned relative to the lower horizontal frame.

[0013] With this configuration, the worker can insert the upper end of each vertical lattice member into the insertion groove of the upper horizontal frame to position it in the upper horizontal frame, and insert the lower end of the vertical lattice member into the insertion groove of the lower horizontal frame to position it in the lower horizontal frame. This makes it easier for the worker to position the vertical lattice members, and reduces the burden on the worker.

[0014] The upper horizontal frame, the lower horizontal frame, and the vertical lattice members may be formed primarily from wood. A horizontal lattice member for connecting the multiple vertical lattice members may not be provided between the upper horizontal frame and the lower horizontal frame.

[0015] According to this configuration, the partition lattice has no horizontal lattice members, even though the upper horizontal frame, lower horizontal frame, and vertical lattice members are primarily made of wood. Therefore, compared to conventional wooden partition lattices that have horizontal lattice members, fewer steps are required for construction. The burden on workers is also reduced. Furthermore, the absence of horizontal lattice members gives the partition lattice a sophisticated impression to those who view it. It also has superior design compared to conventional wooden partition lattices that have horizontal lattice members.

[0016] The vertical lattice member may have a wooden core and metal reinforcement members, which may be provided on the outer surface of the core or may be built into the core.

[0017] With this configuration, the vertical lattice members have sufficient rigidity, so they are less likely to deform even without horizontal lattice members, and the beauty of the appearance of the partition lattice can be maintained for a long period of time.

[0018] The vertical lattice member may further include a facing material. The reinforcing member may be a trough-shaped member provided so as to cover at least one side surface of the core member. The facing material may be attached to both the reinforcing member and the core member.

[0019] With this configuration, the reinforcing material is a trough-shaped member, so the reinforcing material can be formed relatively light and highly rigid. Also, because the facing material is attached to both the reinforcing material and the core material, the facing material and the reinforcing material are firmly joined. Therefore, the vertical lattice member can be formed with even higher rigidity.

[0020] The partition lattice may further include a left vertical frame connecting one end of the upper horizontal frame to one end of the lower horizontal frame, and a right vertical frame connecting the other end of the upper horizontal frame to the other end of the lower horizontal frame. The plurality of vertical lattice members may be arranged at specific intervals in the left-right direction between the left vertical frame and the right vertical frame.

[0021] With this configuration, during construction, a frame body consisting of an upper horizontal frame, a lower horizontal frame, a left vertical frame, and a right vertical frame can be formed in advance, and the formed frame body can be placed at the construction position. In this case, multiple vertical lattice members can be positioned based on the frame body. This makes it easy to position the upper horizontal frame and lower horizontal frame and the vertical lattice members during construction.

[0022] It may further have a left decorative element that covers the front, left side, and rear of the left vertical frame, and a right decorative element that covers the front, right side, and rear of the right vertical frame.

[0023] With this configuration, the left and right decorative members can conceal, for example, the screws that secure the left and right vertical frames to the upper and lower horizontal frames. This improves the appearance of the exposed parts of the left and right vertical frames, thereby improving the design of the partition lattice.

[0024] The left decorative material may be integrally formed with a left front portion covering the front surface of the left vertical frame, a left side portion covering the left side surface of the left vertical frame, and a left rear portion covering the rear surface of the left vertical frame, and bent by a left bending groove provided between the left front portion, the left side portion, and the left rear portion. The right decorative material may be integrally formed with a right front portion covering the front surface of the right vertical frame, a right side portion covering the right side surface of the right vertical frame, and a right rear portion covering the rear surface of the right vertical frame, and bent by a right bending groove provided between the right front portion, the right side portion, and the right rear portion.

[0025] With this configuration, the left decorative member is formed integrally with the front left, left side, and rear left sections, and is bent along the left bending groove. Therefore, the seams between the front left, left side, and rear left sections are not exposed to the outside. This further improves the appearance of the left vertical frame covered with the left decorative member. The same applies to the right decorative member. This further improves the design of the partition lattice.

[0026] The insertion groove may be open on both the front side and the rear side of at least one of the upper horizontal frame and the lower horizontal frame. The vertical lattice material may include a front member and a rear member combineable with the front member. At least one of the rear upper end and rear lower end of the rear member may be inserted into the insertion groove from the rear and positioned in at least one of the upper horizontal frame and the lower horizontal frame. At least one of the front upper end and front lower end of the front member may be inserted into the insertion groove from the front and positioned in at least one of the upper horizontal frame and the lower horizontal frame. The vertical lattice material may be formed by combining the positioned rear member and the positioned front member.

[0027] With this configuration, the worker can, for example, first insert and position the rear member of each vertical lattice member into the insertion groove from the rear, then insert and position the front member into the insertion groove from the front, and then combine the positioned rear member and front member to form each vertical lattice member. The front member can be exposed from its front upper end to its front lower end. A partition can be formed in which the vertical lattice members appear to be arranged vertically. Therefore, with this configuration, both horizontal and vertical lattice member installation methods can be achieved.

[0028] This specification further discloses a partition lattice construction method for forming the above-mentioned partition lattice. The partition lattice construction method includes the steps of fixing the upper horizontal frame to a ceiling, fixing the lower horizontal frame to a floor, and arranging a plurality of the vertical lattice members at specific intervals in the left-right direction. The arranging step includes inserting at least one of the upper end portion and the lower end portion of the vertical lattice members into the insertion groove and positioning them on at least one of the upper horizontal frame and the lower horizontal frame.

[0029] With this method, workers can insert and position the vertical lattice members one by one into the insertion grooves and then secure them to the upper and lower horizontal frames. During construction, workers can form a partition lattice by attaching the vertical lattice members one by one between the upper and lower horizontal frames. This reduces the burden on workers compared to conventional configurations that require the placement and assembly of large, heavy lattice units. Construction work can be performed by a single worker. [Brief explanation of the drawings]

[0030] [Figure 1] FIG. 2 is a perspective view showing the partition lattice 2 of the first embodiment. [Figure 2] Exploded view showing the partition grid 2. [Figure 3] 4 is a cross-sectional explanatory diagram showing the configuration of the left vertical frame 30 and the left decorative material 60. FIG. [Figure 4] FIG. 3 is a cross-sectional explanatory view showing the configuration of a vertical lattice member 50. [Figure 5] An explanatory diagram (1) showing the construction method of the partition lattice 2. [Figure 6] An explanatory diagram (2) showing the construction method of the partition lattice 2. [Figure 7] An explanatory diagram (3) showing the construction method of the partition lattice 2. [Figure 8] An explanatory diagram (4) showing the construction method of the partition lattice 2. [Figure 9] An explanatory diagram (5) showing the construction method of the partition lattice 2. [Figure 10] FIG. 10 is a perspective view showing a partition lattice 202 according to a second embodiment. [Figure 11] FIG. 1 is an explanatory diagram (1) showing a method for installing a partition lattice 202. [Figure 12] An explanatory diagram (2) showing a method for installing the partition lattice 202. [Figure 13] An explanatory diagram (3) showing a method for installing the partition lattice 202. [Figure 14] An explanatory diagram (4) showing a method for installing the partition lattice 202. [Figure 15] FIG. 10 is a perspective view showing a partition lattice 502 according to a third embodiment. [Figure 16] FIG. 5 is an exploded view showing the partition grille 502. [Figure 17] FIG. 1 is an explanatory diagram (1) showing a method for installing a partition lattice 502. [Figure 18] An explanatory diagram (2) showing a method for installing the partition lattice 502. [Figure 19] An explanatory diagram (3) showing a method for installing the partition lattice 502. [Figure 20] An explanatory diagram (4) showing a method for installing the partition lattice 502. [Figure 21] An explanatory diagram (5) showing a method for installing the partition lattice 502. DETAILED DESCRIPTION OF THE INVENTION

[0031] (First Example) A partition lattice 2 of a first embodiment will be described with reference to Figures 1 to 9. The partition lattice 2 of this embodiment is used as a lattice-shaped indoor partition, etc. As shown in Figures 1 and 2, the partition lattice 2 comprises an upper horizontal frame 10, a lower horizontal frame 20, a left vertical frame 30, a right vertical frame 40, multiple vertical lattice members 50, a left decorative member 60, a right decorative member 70, an upper curtain board 80, and a lower curtain board 90. The upper horizontal frame 10, the lower horizontal frame 20, the left vertical frame 30, and the right vertical frame 40 form a frame body 4. The partition lattice 2 is configured by arranging multiple vertical lattice members 50 at specific intervals in the left-right direction (the X-axis direction in Figure 1) within the frame body 4.

[0032] The upper horizontal frame 10 is a frame material that extends horizontally (the X-axis direction in FIG. 1). The upper horizontal frame 10 is fixed to a ceiling, for example. The upper horizontal frame 10 is primarily made of wood. The upper horizontal frame 10 has multiple insertion grooves 14 that are open on the front surface 12 side (see also FIG. 5). The multiple insertion grooves 14 are provided at specific intervals (i.e., the intervals between the vertical lattice members 50 in the partition lattice 2).

[0033] The lower horizontal frame 20 is also a frame material that extends horizontally. The lower horizontal frame 20 is fixed to the floor, for example. The main material of the lower horizontal frame 20 is wood. The lower horizontal frame 20 has a plurality of insertion grooves 24 that are open on the front surface 22 side. The plurality of insertion grooves 24 are also provided at specific intervals (i.e., the intervals between the vertical lattice members 50 of the partition lattice 2). In the partition lattice 2, the upper horizontal frame 10 and the lower horizontal frame 20 face each other in the vertical direction. The plurality of insertion grooves 14 and the plurality of insertion grooves 24 are formed in opposing positions.

[0034] The left vertical frame 30 is a frame material that extends in the vertical direction (the Y-axis direction in Figure 1). The left vertical frame 30 is a member that connects one end of the upper horizontal frame 10 to one end of the lower horizontal frame 20. The left vertical frame 30 is connected to the upper horizontal frame 10 and the left vertical frame 30 to the lower horizontal frame 20 with screws or the like. The left vertical frame 30 is primarily made of wood. As shown in Figure 3, a groove 33 is formed in the front surface 32 of the left vertical frame 30. A groove 37 is formed in the rear surface 36 of the left vertical frame 30. Grooves 33 and 37 are grooves for attaching the left decorative material 60.

[0035] As shown in FIGS. 1 to 3, the left decorative member 60 is a covering member that covers the front surface 32, left side surface 34, and rear surface 36 of the left vertical frame 30. The left decorative member 60 is formed, for example, from an MDF board. The left decorative member 60 may also be formed from other materials (such as resin). As shown in FIG. 3, the left decorative member 60 is integrally formed with an attachment portion 67 that is attached to the groove 33, a left front portion 62 that covers the front surface 32, a left side portion 64 that covers the left side surface 34, a left rear portion 66 that covers the rear surface 36, and an attachment portion 68 that is attached to the groove 37. Left bending grooves 61 are provided between the attachment portion 67, the left front portion 62, the left side portion 64, the left rear portion 66, and the attachment portion 68. The attachment portion 67, the left front portion 62, the left side portion 64, the left rear portion 66, and the attachment portion 68 are each bent by the left bending groove 61. The left bending groove 61 is a groove with a V-shaped cross section. The folded left front portion 62, left side portion 64, and left rear portion 66 respectively cover the front surface 32, left side surface 34, and rear surface 36 of the left vertical frame 30. The folded mounting portions 67, 68 are inserted into the grooves 33, 37, respectively. As a result, the left decorative material 60 is attached to the left vertical frame 30.

[0036] The right vertical frame 40 is also a frame material that extends vertically. The right vertical frame 40 is a member that connects the other end of the upper horizontal frame 10 to the other end of the lower horizontal frame 20. The connection between the right vertical frame 40 and the upper horizontal frame 10 and the connection between the right vertical frame 40 and the lower horizontal frame 20 are also made with screws or the like. The right vertical frame 40 is primarily made of wood. As shown in Figure 2, the right vertical frame 40 also has a front surface 42, a right side surface 44, and a rear surface 46. Although not shown in detail, grooves for attaching the right decorative material 70 are formed on the front surface 42 and the rear surface 46, respectively. The right vertical frame 40 has a shape that is bilaterally symmetrical to the left vertical frame 30.

[0037] As shown in Figures 1 and 2, the right decorative member 70 is a covering member that covers the front surface 42, right side surface 44, and rear surface 46 of the right vertical frame 40. The right decorative member 70 has a bilaterally symmetrical configuration with the left decorative member 60. That is, the right decorative member 70 also integrally includes an attachment portion (not shown) that is attached to the groove, a right front portion 72 that covers the front surface 42, a right side portion 74 that covers the right side surface 44, a right rear portion 76 that covers the rear surface 46, and an attachment portion (not shown) that is attached to the groove. Right bending grooves (not shown) are provided between each portion. The right bending grooves have a V-shaped cross section. Each portion is bent by the right bending grooves. The bent right front portion 72, right side portion 74, and right rear portion 76 cover the front surface 42, right side surface 44, and rear surface 46 of the right vertical frame 40, respectively. The right decorative member 70 is attached to the right vertical frame 40 by inserting the bent attachment portions into the grooves.

[0038] As shown in Figures 1 and 2, multiple vertical lattice members 50 are arranged between the left vertical frame 30 and the right vertical frame 40 at specific intervals in the left-right direction (horizontal direction). The vertical lattice members 50 are primarily made of wood. The vertical lattice members 50 are arranged so that their longitudinal direction is aligned with the vertical direction. The upper end portions 52 of the vertical lattice members 50 are shaped so that they can be inserted into the insertion grooves 14 of the upper horizontal frame 10 from the front. Specifically, the upper end portions 52 are notched into a shape that allows them to be inserted into the insertion grooves 14. Similarly, the lower end portions 54 of the vertical lattice members 50 are shaped so that they can be inserted into the insertion grooves 24 of the lower horizontal frame 20 from the front. The lower end portions 54 are notched into a shape that allows them to be inserted into the insertion grooves 24. In this embodiment, the upper end portions 52 are inserted into the insertion grooves 14 from the front, and the lower end portions 54 are inserted into the insertion grooves 24 from the front, thereby positioning one vertical lattice member 50 relative to the upper horizontal frame 10 and the lower horizontal frame 20. The positioned vertical lattice material 50 is fixed to the upper horizontal frame 10 and the lower horizontal frame 20 with screws or the like.

[0039] In this way, each of the multiple vertical lattice members 50 is positioned between the upper horizontal frame 10 and the lower horizontal frame 20 by inserting the upper end portion 52 and the lower end portion 54 into the insertion grooves 14, 24 formed in opposing positions. Note that in the partition lattice 2 of this embodiment, no horizontal lattice members (horizontal bars) are provided between the upper horizontal frame 10 and the lower horizontal frame 20 to connect the multiple vertical lattice members 50 together.

[0040] FIG. 4 is an explanatory cross-sectional view showing the configuration of the vertical lattice member 50. As shown in FIG. 4, the vertical lattice member 50 has wooden core members 101 and 102, a metal reinforcing member 103, a facing member 104, and a covering member 107. The core member 101 is the central member of the vertical lattice member 50. The core members 102 are arranged on the front and rear sides of the core member 101. The reinforcing member 103 is a gutter-shaped member with a C-shaped cross section. The reinforcing member 103 is made of iron, for example. The reinforcing member 103 is provided on the outer surface of the core member 101. More specifically, the reinforcing member 103 is provided so as to cover the front surface (the surface on the right in FIG. 4) and both side surfaces of the core member 101.

[0041] The facing material 104 is formed of, for example, an MDF board. The facing material 104 may be formed of other materials. The facing material 104 is attached to both the core material 101 and the reinforcing material 103. The facing material 104 is attached to both side surfaces of the core material 101 and the reinforcing material 103. The covering material 107 is, for example, a resin sheet, and covers the outer surfaces of the facing material 104 and the core material 102.

[0042] Although not shown in Figure 3 etc., in this embodiment, the left vertical frame 30 and the right vertical frame 40 also have built-in reinforcing materials, similar to the vertical lattice material 50. The reinforcing materials built into the left vertical frame 30 and the right vertical frame 40 are also gutter-shaped members with a C-shaped cross section, similar to the reinforcing material 103 built into the vertical lattice material 50. Furthermore, like the vertical lattice material 50, the left vertical frame 30 and the right vertical frame 40 may also have a core material, a reinforcing material, and a facing material attached to both the core material and the reinforcing material. In other words, the left vertical frame 30 and the right vertical frame 40 may have a configuration similar to that of the vertical lattice material 50.

[0043] As shown in Figures 1 and 2, the upper curtain board 80 is a curtain board that covers the front surface 12 and rear surface 16 of the upper horizontal frame 10. The upper curtain board 80 covers the screws and the like that connect the upper end portion 52 of each vertical lattice member 50 to the upper horizontal frame 10 (see also Figure 9). Similarly, the lower curtain board 90 is a curtain board that covers the front surface 22 and rear surface 26 of the lower horizontal frame 20. The lower curtain board 90 covers the screws and the like that connect the lower end portion 54 of each vertical lattice member 50 to the lower horizontal frame 20. Because the screws and the like are hidden by the upper curtain board 80 and the lower curtain board 90, the appearance of the partition lattice 2 is maintained beautiful.

[0044] (Partition lattice 2 installation method) Next, a construction method for the partition lattice 2 (FIG. 1) of this embodiment will be described with reference to FIGS. 5 to 9. Each of the tasks described below can be performed by a worker at the construction site. As shown in FIG. 5, first, a worker forms the frame body 4. Specifically, the worker connects one end of the upper horizontal frame 10 to one end of the lower horizontal frame 20 with the left vertical frame 30. The worker then connects the other end of the upper horizontal frame 10 to the other end of the lower horizontal frame 20 with the right vertical frame 40. The upper horizontal frame 10, lower horizontal frame 20, left vertical frame 30, and right vertical frame 40 are connected with screws B. Next, the worker attaches one vertical lattice member 50 to the inside of the frame body 4 before placing the frame body 4 in the construction position. The vertical lattice member 50 is positioned on the upper horizontal frame 10 and the lower horizontal frame 20 by inserting the upper end 52 into the insertion groove 14 from the front and the lower end 54 into the insertion groove 24 (the insertion groove 24 opposite the insertion groove 14 into which the upper end 52 is inserted) from the front. The positioned vertical lattice member 50 is fixed with screws B. By pre-fixing one vertical lattice member 50 inside the frame body 4 before it is placed in the installation position, deformation of the frame body 4 during placement work is suppressed. Two or three vertical lattice members 50 may be pre-fixed inside the frame body 4, but a relatively small number (less than half of the total) is preferable. The number of vertical lattice members 50 pre-fixed inside the frame body 4 can be increased or decreased depending on the width of the frame body 4. However, it is sufficient to keep the number to the minimum necessary depending on the width of the frame body 4. The reason why a large number of vertical lattice members 50 are not pre-fixed to the frame body 4 is to reduce the burden of placing the frame body 4 by suppressing the increase in weight.

[0045] Next, as shown in Figure 6, the worker lifts up the formed frame body 4 and places it in the installation position. The worker fixes the upper horizontal frame 10 to the ceiling and the lower horizontal frame 20 to the floor using screws B. At this time, a spacer material may be inserted between the upper horizontal frame 10 and the ceiling as appropriate. This operation fixes the frame body 4 in the installation position. In this way, by placing the pre-formed frame body 4 (see Figure 5) in the installation position, the upper horizontal frame 10 and the lower horizontal frame 20 can be properly opposed to each other. The upper horizontal frame 10 and the lower horizontal frame 20 are less likely to become misaligned. The upper horizontal frame 10 and the lower horizontal frame 20 can be easily aligned.

[0046] Next, as shown in FIG. 7 , the worker places multiple vertical lattice members 50 in the frame body 4. The worker positions and fixes the vertical lattice members 50 one by one in the frame body 4. Specifically, the worker inserts the upper end portion 52 of one vertical lattice member 50 into the insertion groove 14 of the upper horizontal frame 10 from the front, and positions the upper end portion 52 in the upper horizontal frame 10. The worker then inserts the lower end portion 54 of the vertical lattice member 50 into the insertion groove 24 of the lower horizontal frame 20 (the insertion groove 24 opposite the insertion groove 14 into which the upper end portion 52 has been inserted) from the front, and positions the lower end portion 54 in the lower horizontal frame 20. The worker fixes the positioned vertical lattice member 50 to the upper horizontal frame 10 and the lower horizontal frame 20 with screws B. The worker performs this positioning and fixing work for each vertical lattice member 50. All of the multiple vertical lattice members 50 are fixed to the frame body 4.

[0047] Next, as shown in FIG. 8, the worker attaches the left decorative element 60 and the right decorative element 70. The left decorative element 60 is attached to the left vertical frame 30. The left front portion 62, left side portion 64, and left rear portion 66 of the left decorative element 60 cover the front surface 32, left side surface 34, and rear surface 36 of the left vertical frame 30, respectively (see FIG. 3). Similarly, the right decorative element 70 is attached to the right vertical frame 40. The right front portion 72, right side portion 74, and right rear portion 76 of the right decorative element 70 cover the front surface 42, right side surface 44, and rear surface 46 of the right vertical frame 40, respectively. By installing the left decorative element 60 and the right decorative element 70, the screws and other fastening parts that secure the left vertical frame 30 and right vertical frame 40 to the upper horizontal frame 10 and lower horizontal frame 20 are concealed, maintaining a beautiful appearance.

[0048] Next, as shown in Figure 9, the worker installs the upper fascia board 80 and the lower fascia board 90. The upper fascia board 80 covers the front surface 12 and rear surface 16 of the upper horizontal frame 10. The upper fascia board 80 covers the screws and other fittings that connect the upper end portions 52 of each vertical lattice member 50 to the upper horizontal frame 10. Similarly, the lower fascia board 90 covers the front surface 22 and rear surface 26 of the lower horizontal frame 20. The lower fascia board 90 conceals the screws and other fittings that connect the lower end portions 54 of each vertical lattice member 50 to the lower horizontal frame 20. The appearance is maintained beautifully. By performing each of the above steps, the partition lattice 2 of this embodiment (Figure 1) is obtained.

[0049] The configuration and construction method of the partition lattice 2 of this embodiment have been described above. According to this embodiment, when forming the partition lattice 2, a worker can insert and position the vertical lattice members 50 one by one into the insertion grooves 14, 24, and then fix them to the upper horizontal frame 10 and the lower horizontal frame 20. The worker can form the partition lattice 2 by attaching the vertical lattice members 50 one by one between the upper horizontal frame 10 and the lower horizontal frame 20. Compared to conventional configurations that require the placement and assembly of large, heavy lattice units, this reduces the burden on the worker. According to the partition lattice 2 of this embodiment, construction work can be performed sufficiently by a single worker.

[0050] Furthermore, with the partition lattice 2 of this embodiment, all work, starting with the assembly of the frame 4, can be carried out at the construction site (see Figures 5 to 9). Compared to conventional configurations in which large, heavy lattice units are often assembled in advance at a factory, the burden of distribution and transportation is also reduced.

[0051] Furthermore, in the partition lattice 2 of this embodiment, the vertical lattice members 50 are attached directly to the upper horizontal frame 10 and the lower horizontal frame 20. Therefore, compared to the conventional configuration in which the horizontal frame and the horizontal bars of the lattice unit are overlapped, the vertical width of the members extending in the horizontal direction is smaller. This gives the viewer the impression that the frame body 4 is slender. It also gives an impression of refinement in terms of design.

[0052] In the partition lattice 2 of this embodiment, insertion grooves 14, 24 are formed in both the upper horizontal frame 10 and the lower horizontal frame 20. The multiple insertion grooves 14 and the multiple insertion grooves 24 are formed in opposing positions. Therefore, each of the multiple vertical lattice members 50 is positioned between the upper horizontal frame 10 and the lower horizontal frame 20 by inserting the upper end portion 52 and the lower end portion 54 into the insertion grooves 14, 24 formed in opposing positions. Workers can easily position each vertical lattice member 50 during construction.

[0053] In this embodiment, the upper horizontal frame 10, the lower horizontal frame 20, the left vertical frame 30, the right vertical frame 40, and the vertical lattice members 50 are primarily made of wood. However, in this embodiment, no horizontal lattice members (horizontal bars) are provided between the upper horizontal frame 10 and the lower horizontal frame 20 to connect the vertical lattice members 50. The partition lattice 2 does not include horizontal lattice members, even though the upper horizontal frame 10, the lower horizontal frame 20, the left vertical frame 30, the right vertical frame 40, and the vertical lattice members 50 are primarily made of wood. Therefore, fewer steps are required for construction compared to conventional wooden partition lattices that include horizontal lattice members. This also reduces the burden on workers. Furthermore, the absence of horizontal lattice members allows the partition lattice 2 of this embodiment to give viewers a sophisticated impression. It also offers superior design compared to conventional wooden partition lattices that include horizontal lattice members.

[0054] As described above, in this embodiment, the reinforcing material 103 included in the vertical lattice material 50 is a metal trough-shaped member with a C-shaped cross section (FIG. 4). Therefore, the reinforcing material 103 can be formed to be relatively lightweight and highly rigid. Furthermore, since the facing material 104 is attached to both the reinforcing material 103 and the core material 101, the facing material 104 and the reinforcing material 103 are firmly joined. Therefore, the vertical lattice material 50 is formed to have even higher rigidity. In the partition lattice 2 of this embodiment, the vertical lattice material 50 has sufficient rigidity as described above, so the vertical lattice material 50 is less likely to deform even without horizontal lattice materials. The beautiful appearance of the partition lattice 2 can be maintained for a long period of time.

[0055] As described above, in the partition lattice 2 of this embodiment, the provision of the left decorative material 60 conceals the screws and other fastening parts that secure the left vertical frame 30 to the upper horizontal frame 10 and the lower horizontal frame 20. This improves the appearance of the exposed parts of the left vertical frame 30. Furthermore, as described above, the left front portion 62, left side portion 64, and left rear portion 66 of the left decorative material 60 are integrally formed and are bent by the left bending groove 61. Therefore, the joints between the left front portion 62, left side portion 64, and left rear portion 66 are not exposed to the outside. This further improves the appearance of the left vertical frame 30 covered with the left decorative material 60. The same applies to the right decorative material 70. This improves the design of the partition lattice 2.

[0056] (Second Example) A partition lattice 202 of the second embodiment will be described with reference to Figures 10 to 14. The partition lattice 202 of this embodiment also has the same basic configuration as the partition lattice 2 of the first embodiment. In Figures 10 to 14, parts that are the same as those in the first embodiment are designated by the same reference numerals as in Figures 1 to 9, and detailed explanations will be omitted.

[0057] As shown in FIG. 10 , the partition lattice 202 of this embodiment comprises an upper horizontal frame 10, a lower horizontal frame 20, a left vertical frame 30, a right vertical frame 40, and multiple vertical lattice members 50. In this embodiment, the upper and lower fascia panels and left and right decorative members are omitted. The upper horizontal frame 10, the lower horizontal frame 20, the left vertical frame 30, and the right vertical frame 40 form a frame body 4. The partition lattice 202 is configured by arranging multiple vertical lattice members 50 at specific intervals in the left-right direction (the X-axis direction in FIG. 10 , or horizontal direction) within the frame body 4. The partition lattice 202 of this embodiment has an appearance in which the left vertical frame 30, the right vertical frame 40, and each vertical lattice member 50 protrude slightly forward and backward beyond the upper horizontal frame 10 and the lower horizontal frame 20. The front faces of the left vertical frame 30, the right vertical frame 40, and each vertical lattice member 50 protrude forward and are exposed beyond the front faces of the upper horizontal frame 10 and the lower horizontal frame 20. Therefore, the partition lattice 202 of this embodiment has the characteristic of appearing to fit vertically.

[0058] As shown in Figures 10 and 11, in this embodiment, the upper horizontal frame 10 also has a plurality of insertion grooves 14 spaced at specific intervals. However, in this embodiment, each insertion groove 14 is open on both the front surface 12 and the rear surface 16. Similarly, the lower horizontal frame 20 has a plurality of insertion grooves 24 spaced at specific intervals. Each insertion groove 24 is open on both the front surface 22 and the rear surface 26. In this embodiment, the left vertical frame 30 connects one end of the upper horizontal frame 10 to one end of the lower horizontal frame 20, and the right vertical frame 40 connects the other end of the upper horizontal frame 10 to the other end of the lower horizontal frame 20. However, in this embodiment, the thicknesses of the left vertical frame 30 and the right vertical frame 40 (the length in the Z-axis direction in Figure 10) are thicker than the thicknesses of the upper horizontal frame 10 and the lower horizontal frame 20.

[0059] As clearly shown in FIGS. 12 to 14, in this embodiment, each vertical lattice member 50 includes a front member 50a and a rear member 50b. That is, the vertical lattice member 50 is composed of two members, the front member 50a and the rear member 50b. The vertical lattice member 50 is formed by combining the front member 50a and the rear member 50b. Furthermore, although not shown, the front member 50a and the rear member 50b incorporate metal reinforcing members. In a modified example, the front member 50a and the rear member 50b may not be provided with reinforcing members.

[0060] The vertical lattice member 50 of this embodiment is formed, for example, as follows. The rear upper end portion 52b of the rear member 50b is inserted into the insertion groove 14 from the rear and positioned on the upper horizontal frame 10 (FIG. 12). Similarly, the rear lower end portion 54b of the rear member 50b is inserted into the insertion groove 24 from the rear and positioned on the lower horizontal frame 20. The positioned rear member 50b is fixed with screws or the like from the front surface 12 side of the upper horizontal frame 10 and the front surface 22 side of the lower horizontal frame 20. Thereafter, the front upper end portion 52a of the front member 50a is inserted into the insertion groove 14 from the front and positioned on the upper horizontal frame 10 (FIGS. 12 and 13). Similarly, the front lower end portion 54a of the front member 50a is inserted into the insertion groove 24 from the front and positioned on the lower horizontal frame 20. The positioned rear member 50b and the positioned front member 50a are combined. Specifically, the rear member 50b and the front member 50a are combined by fitting a fitting groove 55b provided on the front surface of the rear member 50b into a fitting protrusion 55a provided on the rear surface of the front member 50a (see FIG. 14). The fitting protrusion 55a and the fitting groove 55b may be bonded with an adhesive. The vertical lattice member 50 is formed by combining the rear member 50b and the front member 50a. In this embodiment, the front member 50a combined with the rear member 50b is not fixed with screws or the like. Therefore, as shown in FIG. 10, no screws are exposed on the front or rear surfaces of the vertical lattice member 50.

[0061] (Installation method of partition lattice 202) Next, a method for constructing the partition lattice 202 (FIG. 10) of this embodiment will be described with reference to FIGS. 11 to 14. As shown in FIG. 11, first, a worker connects the upper horizontal frame 10, the lower horizontal frame 20, the left vertical frame 30, and the right vertical frame 40 to form the frame body 4. Furthermore, before placing the frame body 4 in the installation position, the worker attaches the rear member 50b of one vertical lattice member 50 to the inside of the frame body 4. The vertical lattice member 50 is positioned to the upper horizontal frame 10 and the lower horizontal frame 20 by inserting the rear upper end 52b into the insertion groove 14 from the rear and the rear lower end 54b into the insertion groove 24 (the insertion groove 24 facing the insertion groove 14 into which the rear upper end 52b has been inserted) from the rear. The positioned rear member 50b is fixed with screws B. By pre-fixing one rear member 50b inside the frame body 4 before placing it in the installation position, deformation of the frame body 4 during the installation work is suppressed. The number of rear members 50b pre-fixed inside the frame body 4 may be two or three, but it is preferable that the number be relatively small (less than half of the total). The number of rear members 50b pre-fixed inside the frame body 4 can be increased or decreased depending on the width of the frame body 4. However, it is sufficient that the number is the minimum necessary depending on the width of the frame body 4. In this embodiment as well, the reason that a large number of rear members 50b are not pre-fixed to the frame body 4 is to reduce the burden of the work of arranging the frame body 4 by suppressing an increase in weight.

[0062] Next, the worker lifts up the formed frame body 4 and places it at the installation position. The worker fixes the upper horizontal frame 10 to the ceiling surface and the lower horizontal frame 20 to the floor surface using screws (not shown). At this time, a spacer material may be inserted between the upper horizontal frame 10 and the ceiling surface as appropriate. This operation fixes the frame body 4 at the installation position. In this embodiment, too, by forming the frame body 4 in advance and then placing it at the installation position, the upper horizontal frame 10 and the lower horizontal frame 20 can be properly opposed to each other. This makes it less likely that the upper horizontal frame 10 and the lower horizontal frame 20 will become misaligned. The upper horizontal frame 10 and the lower horizontal frame 20 can be easily aligned.

[0063] Next, as shown in FIGS. 12 to 14 , the worker places multiple vertical lattice members 50 inside the frame body 4. The worker positions and secures each vertical lattice member 50 inside the frame body 4. As shown in FIG. 12 , the worker first inserts the rear upper end portion 52 b of the rear member 50 b into the insertion groove 14 from the rear to position it on the upper horizontal frame 10. Similarly, the worker inserts the rear lower end portion 54 b of the rear member 50 b into the insertion groove 24 from the rear to position it on the lower horizontal frame 20. The worker then secures the positioned rear member 50 b with screws or the like from the front surface 12 side of the upper horizontal frame 10 and the front surface 22 side of the lower horizontal frame 20 (see FIG. 13 ). As shown in FIGS. 12 and 13 , the worker then inserts the front upper end portion 52 a of the front member 50 a into the insertion groove 14 from the front to position it on the upper horizontal frame 10. Similarly, the worker inserts the front lower end 54a of the front member 50a into the insertion groove 24 from the front to position it on the lower horizontal frame 20. The positioned rear member 50b and the positioned front member 50a are then assembled. Specifically, the rear member 50b and the front member 50a are assembled by fitting the fitting groove 55b on the front surface of the rear member 50b with the fitting protrusion 55a on the rear surface of the front member 50a (see FIG. 14). The fitting protrusion 55a and the fitting groove 55b may be bonded with an adhesive. The vertical lattice member 50 is formed by assembling the rear member 50b and the front member 50a. In this embodiment, the front member 50a assembled with the rear member 50b is not fixed with screws or the like. Therefore, as shown in FIG. 10, no screws are exposed on the front or rear surfaces of the vertical lattice member 50. The worker performs this positioning and fixing work for each vertical lattice member 50. When all of the multiple vertical lattice members 50 are fixed to the frame body 4, the partition lattice 202 (FIG. 10) of this embodiment is obtained.

[0064] The configuration and construction method of the partition lattice 202 of this embodiment have been described above. When using the partition lattice 202 of this embodiment, as in the first embodiment, a worker can insert the vertical lattice members 50 one by one into the insertion grooves 14, 24, position them, and fix them to the upper horizontal frame 10 and the lower horizontal frame 20. Compared to the conventional configuration, the burden on the worker is light. When using the partition lattice 202 of this embodiment, construction work can be carried out sufficiently by a single worker.

[0065] In the partition grille 202 of this embodiment, the front member 50a of each vertical grille member 50 is exposed to the front from its upper front end 52a to its lower front end 54a. Each vertical grille member 50 appears to be arranged vertically. Therefore, the partition grille 202 of this embodiment can be arranged in either a horizontally or vertically aligned manner.

[0066] (Third Example) A partition lattice 502 of the third embodiment will be described with reference to Figures 15 to 21. The partition lattice 502 of this embodiment is also used as a lattice-shaped indoor partition, etc., like the first and second embodiments. However, the partition lattice 502 of this embodiment differs from the partition lattices 2 and 202 of the first and second embodiments in that it does not have a left vertical frame and a right vertical frame. As shown in Figures 15 and 16, the partition lattice 502 of this embodiment includes two upper horizontal frames 510, two lower horizontal frames 520, a plurality of vertical lattice members 550, two upper frame spacers 610, two lower frame spacers 620, a ceiling spacer 630, a floor spacer 640, an upper curtain board 580, an end curtain board 582, a lower curtain board 590, and an end curtain board 592. One lattice unit 504 is formed by one upper horizontal frame 510, one lower horizontal frame 520, and multiple (six in the example of FIG. 15) vertical lattice members 550. The lattice unit 504 is configured by arranging multiple vertical lattice members 550 at specific intervals in the left-right direction (the X-axis direction in FIGS. 15 and 16). The upper ends of each of the multiple vertical lattice members 550 are fixed to the upper horizontal frame 510, and the lower ends are fixed to the lower horizontal frame 520. The partition lattice 502 is formed by connecting two lattice units 504 in the horizontal direction.

[0067] The upper horizontal frame 510 is a frame material extending in the horizontal direction (the X-axis direction in Figures 15 and 16). The upper horizontal frame 510 is fixed to a ceiling, for example. The upper horizontal frame 510 is mainly made of wood. The upper horizontal frame 510 has a plurality of insertion grooves 514 formed at specific intervals. In this embodiment, each insertion groove 514 is open on both the front surface 512 side and the rear surface 516 side. Furthermore, grooves 513 and 517 are formed along the longitudinal direction on the front surface 512 and the rear surface 516.

[0068] The lower horizontal frame 520 is also a frame material extending in the horizontal direction. The lower horizontal frame 520 is fixed to the floor, for example. The main material of the lower horizontal frame 520 is also wood. The lower horizontal frame 520 also has a plurality of insertion grooves 524 formed at specific intervals. The plurality of insertion grooves 524 are formed in positions opposite the plurality of insertion grooves 514. In this embodiment, each insertion groove 524 is open on both the front surface 522 side and the rear surface 526 side. Furthermore, grooves 523 and 527 are formed in the front surface 522 and the rear surface 526 along the longitudinal direction.

[0069] The multiple vertical lattice members 550 are members that are arranged at specific intervals in the left-right direction. The main material of the vertical lattice members 550 is wood. The vertical lattice members 550 are arranged so that their longitudinal direction is along the vertical direction. As shown in FIG. 16 , in this embodiment, the vertical lattice member 550 is formed in a rectangular column shape. In this embodiment, the vertical lattice member 550 is formed as a single member. In this embodiment, the upper and lower ends of the vertical lattice member 550 are not cut out. The internal structure of the vertical lattice member 550 is almost the same as the internal structure of the vertical lattice member 50 of the first embodiment (see FIG. 4 ). Although detailed illustration is omitted, the vertical lattice member 550 of this embodiment also has a wooden core member, metal reinforcing members, and facing and covering materials that cover them.

[0070] The upper end of each vertical lattice member 550 is inserted into the insertion groove 514 of the upper horizontal frame 510 and positioned. The lower end of each vertical lattice member 550 is inserted into the insertion groove 524 of the lower horizontal frame 520 and positioned. By inserting the upper and lower ends of the vertical lattice member 550 into the insertion grooves 514, 524, respectively, one vertical lattice member 550 is positioned to the upper horizontal frame 510 and the lower horizontal frame 520. The positioned vertical lattice member 550 is fixed to the upper horizontal frame 510 and the lower horizontal frame 520 with screws or the like. Note that in this embodiment as well, no horizontal lattice members (horizontal bars) for connecting multiple vertical lattice members 550 are provided between the upper horizontal frame 510 and the lower horizontal frame 520.

[0071] The width of each vertical lattice member 550 in the front-to-rear direction (the Z-axis direction in FIG. 15 ) is greater than the front-to-rear width of the upper horizontal frame 510 and the front-to-rear width of the lower horizontal frame 520. Therefore, when the vertical lattice member 550 is fixed to the upper horizontal frame 510 and the lower horizontal frame 520, the vertical lattice member 550 protrudes forward from the front surface 512 of the upper horizontal frame 510 and the front surface 522 of the lower horizontal frame 520, and protrudes rearward from the rear surface 516 of the upper horizontal frame 510 and the rear surface 526 of the lower horizontal frame 520. In other words, the vertical lattice member 550 protrudes forward and rearward from the upper horizontal frame 510 and the lower horizontal frame 520. Therefore, the partition lattice member 502 of this embodiment has the characteristic of appearing as a so-called vertically fitted partition.

[0072] In this embodiment, the ends of two upper horizontal frames 510 can be connected to each other, and the ends of two lower horizontal frames 520 can be connected to each other. Therefore, by forming small-sized lattice units 504 and then assembling them by connecting the ends of the upper horizontal frames 510 to each other and the ends of the lower horizontal frames 520 to each other, a larger partition lattice 502 can be formed. The connection of the ends of the upper horizontal frames 510 to each other and the ends of the lower horizontal frames 520 to each other (i.e., the connection of two lattice units 504) can be performed when assembling the lattice units 504 between the ceiling and floor, as described later. Note that, depending on the convenience of the connection design, the dimensions and shapes of each of the multiple upper horizontal frames 510 may be partially different. Similarly, the dimensions and shapes of each of the multiple lower horizontal frames 520 may also be partially different. In this case, the dimensions and shapes of the multiple lattice units 504 to be connected may also be partially different.

[0073] The upper frame spacer 610 is a component attached to the upper surface of each upper horizontal frame 510. The upper frame spacer 610 is attached to a position on the upper surface of the upper horizontal frame 510 closer to the front surface 512. The upper frame spacer 610 is attached so as not to cover the entire upper surface of the upper horizontal frame 510, but rather to cover only a position on the upper surface of the upper horizontal frame 510 closer to the front surface 512. The upper frame spacer 610 is a long, thin plate-shaped component. The thickness of the upper frame spacer 610 is, for example, 2.5 mm.

[0074] The lower frame spacer 620 is a member attached to the underside of each lower horizontal frame 520. The lower frame spacer 620 is attached to a position on the underside of the lower horizontal frame 520 closer to the front surface 522. The lower frame spacer 620 does not cover the entire underside of the lower horizontal frame 520, but is attached so as to cover only a position on the underside of the lower horizontal frame 520 closer to the front surface 522. The lower frame spacer 620 is a member in the shape of a long, narrow plate. The thickness of the lower frame spacer 620 is, for example, 2.5 mm.

[0075] The ceiling spacer 630 and the floor spacer 640 are components that are pre-fixed to the ceiling and floor at the installation position of the partition lattice 502. The ceiling spacer 630 is used to position the lattice unit 504 on the ceiling side when assembling it at the installation position. When the lattice unit 504 is assembled at the installation position, the ceiling spacer 630 is positioned so as to cover a portion of the upper surface of the upper horizontal frame 510 closer to the rear surface 516. Similarly, the floor spacer 640 is used to position the lattice unit 504 on the floor side when assembling it at the installation position. When the lattice unit 504 is assembled at the installation position, the floor spacer 640 is positioned so as to cover a portion of the lower surface of the lower horizontal frame 520 closer to the rear surface 526. Both the ceiling spacer 630 and the floor spacer 640 are elongated plate-shaped components. The thickness of the ceiling spacer 630 and the floor spacer 640 may be greater than the thickness of the upper frame spacer 610 and the lower frame spacer 620. The thickness of the ceiling spacer 630 and the floor spacer 640 is, for example, 4 mm.

[0076] The upper curtain board 580 is a panel that covers the grooves 513, 517 of the two upper horizontal frames 510. By being covered by the upper curtain board 580, the grooves 513, 517 and screw heads exposed from the front and rear surfaces of each upper horizontal frame 510 are concealed. The end curtain board 582 is a panel that covers the exposed end surfaces of the upper horizontal frames 510 and the end surfaces of the upper curtain board 580 attached to the upper horizontal frame 510. By being covered by the end curtain board 582, the end surfaces of the upper horizontal frame 510 and the end surfaces of the upper curtain board 580 are concealed. Similarly, the lower curtain board 590 is a panel that covers the grooves 523, 527 of the two lower horizontal frames 520. By being covered by the lower curtain board 590, the grooves 523, 527 and screw heads exposed from the front and rear surfaces of each lower horizontal frame 520 are concealed. The end panel 592 is a panel that covers the exposed end face of the lower horizontal frame 520 and the end of the lower panel 590 attached to the lower horizontal frame 520. By being covered with the end panel 592, the end face of the lower horizontal frame 520 and the end of the lower panel 590 are hidden.

[0077] (Installation method of partition lattice 502) Next, a construction method for the partition lattice 502 (FIG. 15) of this embodiment will be described with reference to FIGS. 17 to 20. Each of the following steps can be performed by a worker at the construction site. As shown in FIG. 17, a worker first forms two lattice units 504. Specifically, the worker inserts the upper ends of the vertical lattice members 550 into the insertion grooves 514 of the upper horizontal frame 510 to position them. The positioned vertical lattice members 550 are then fixed to the upper horizontal frame 510 with screws B. The screws B are screwed into the upper surface of the upper horizontal frame 510. Similarly, the worker inserts the lower ends of the vertical lattice members 550 into the insertion grooves 524 of the lower horizontal frame 520 to position them. The positioned vertical lattice members 550 are then fixed to the lower horizontal frame 520 with screws B. The screws B are screwed into the underside of the lower horizontal frame 520. Once the vertical lattice members 550 are fixed to the upper horizontal frame 510 and the lower horizontal frame 520, the lattice unit 540 is completed. The worker forms two lattice units 504.

[0078] As shown in FIG. 17, workers can perform this assembly work with each component placed on the floor. Because there is no need to lift each component, the worker's workload is reduced. The worker must secure the upper horizontal frame 510 and the lower horizontal frame 520 near the center of the front-to-rear width of the vertical lattice member 550. Therefore, as shown in part (a) of FIG. 17, when positioning and securing the upper horizontal frame 510 (lower horizontal frame 520) and the vertical lattice member 550, a positioning spacer 650 may be interposed between the upper horizontal frame 510 (lower horizontal frame 520) and the floor. In this case, a portion of the positioning spacer 650 may fit into the groove 517 (527).

[0079] Furthermore, in this embodiment, when assembling the lattice unit 504, the worker can also adjust the length of the vertical lattice material 550 to suit the installation environment of the partition lattice 502. Specifically, the worker can cut a portion of the vertical lattice material 550 to shorten (adjust) the length before assembling it to the upper horizontal frame 510 and the lower horizontal frame 520.

[0080] 18, the worker attaches an upper frame spacer 610 to the upper surface of each upper horizontal frame 510, and attaches a lower frame spacer 620 to the lower surface of each lower horizontal frame 520. The upper frame spacer 610 is attached so as to cover only a position on the upper surface of the upper horizontal frame 510 that is closer to the front surface 512. The lower frame spacer 620 is attached so as to cover only a position on the lower surface of the lower horizontal frame 520 that is closer to the front surface 522.

[0081] Next, as shown in FIG. 19 , the worker places two lattice units 504 between the ceiling and floor at the installation position. For positioning purposes, the worker attaches a ceiling spacer 630 to the ceiling at the installation position and a floor spacer 640 to the floor at the installation position in advance. When the lattice units 504 are assembled at the installation position, the ceiling spacer 630 is positioned so as to cover a portion of the upper surface of the upper horizontal frame 510 closer to the rear surface 516, and the floor spacer 640 is positioned so as to cover a portion of the lower surface of the lower horizontal frame 520 closer to the rear surface 526. When placing the two lattice units 504 between the ceiling and floor at the installation position, the ends of the two upper horizontal frames 510 and the ends of the two lower horizontal frames 520 are connected to each other. The two lattice units 504 are installed side by side at the installation position.

[0082] Next, as shown in Figure 20, the worker secures the two lattice units 504 to the ceiling and floor at the installation position with screws B. As shown in part (a) of Figure 20, the worker secures the upper horizontal frame 510 of the lattice unit 504 to the ceiling by screwing screws B obliquely into grooves 513 and 517 of the upper horizontal frame 510. Similarly, as shown in part (b), the worker secures the lower horizontal frame 520 of the lattice unit 504 to the floor by screwing screws B obliquely into grooves 523 and 527 of the lower horizontal frame 520.

[0083] Next, as shown in FIG. 21 , the worker installs the upper curtain board 580, end curtain board 582, lower curtain board 590, and end curtain board 592. The upper curtain board 580 covers the grooves 513 and 517 of the two upper horizontal frames 510. The upper curtain board 580 conceals the grooves 513 and 517 and screw heads exposed from the front and rear surfaces of each upper horizontal frame 510. The end curtain board 582 covers the exposed end faces of the upper horizontal frames 510 and the end of the upper curtain board 580 attached to the upper horizontal frame 510. The end curtain board 582 conceals the end faces of the upper horizontal frame 510 and the end of the upper curtain board 580. The lower curtain board 590 covers the grooves 523 and 527 of the two lower horizontal frames 520. The lower curtain board 590 hides the grooves 523, 527 and screw heads exposed from the front and rear surfaces of each lower horizontal frame 520. The end curtain board 592 covers the exposed end surfaces of the lower horizontal frames 520 and the ends of the lower curtain board 590 attached to the lower horizontal frames 520. The end curtain board 592 hides the end surfaces of the lower horizontal frames 520 and the ends of the lower curtain board 590. By performing each of the above steps, the partition lattice 502 (Figure 15) of this embodiment is obtained.

[0084] The configuration and construction method of the partition lattice 502 of this embodiment have been described above. With the partition lattice 502 of this embodiment, too, a worker can insert and position the vertical lattice members 550 one by one into the insertion grooves 514, 524, and then fix them to the upper horizontal frame 510 and the lower horizontal frame 520. During construction, a worker can form the partition lattice 502 by attaching the vertical lattice members 550 one by one between the upper horizontal frame 510 and the lower horizontal frame 520. Compared to conventional configurations that require the placement and assembly of large, heavy lattice units, this reduces the burden on the worker. Construction work can be performed by a single worker.

[0085] In this embodiment, the front-to-rear width of each of the multiple vertical lattice members 550 is greater than the front-to-rear width of the upper horizontal frame 510 and the front-to-rear width of the lower horizontal frame 520. Therefore, the partition lattice 502 of this embodiment is likely to appear as a vertically dominated structure. The vertically dominated partition lattice 502 can give the viewer a sophisticated impression. The partition lattice 502 of this embodiment can provide an excellent aesthetic appearance.

[0086] In particular, the partition lattice 502 of this embodiment does not have vertical frames on the left and right sides, as in the first and second embodiments. This gives the viewer a cleaner and more refined impression. The partition lattice 502 of this embodiment can provide an excellent aesthetic appearance.

[0087] In this embodiment, the ends of two upper horizontal frames 510 and the ends of two lower horizontal frames 520 can be connected together. That is, two lattice units 504 can be connected side-by-side. Therefore, according to the configuration of this embodiment, a larger partition lattice 502 can be formed by forming multiple small-sized partition lattices (i.e., lattice units 504) and then assembling them by connecting the ends of the upper horizontal frames 510 and the ends of the lower horizontal frames 520. The assembly of small-sized lattice units 504 can be performed with little effort (for example, by one worker). Therefore, by installing multiple small-sized lattice units 504 in predetermined positions in order and connecting the ends of the upper horizontal frames 510 and the ends of the lower horizontal frames 520, a large-sized partition lattice 502 can be formed with little effort (for example, by one worker).

[0088] In the partition lattice 502 of this embodiment, insertion grooves 514, 524 are also formed in both the upper horizontal frame 510 and the lower horizontal frame 520. The multiple insertion grooves 514 and the multiple insertion grooves 524 are formed in opposing positions. Therefore, each of the multiple vertical lattice members 550 is positioned between the upper horizontal frame 510 and the lower horizontal frame 520 by inserting the upper end and lower end into the insertion grooves 514, 524 formed in opposing positions. Workers can easily position each vertical lattice member 550 during installation.

[0089] The upper horizontal frame 510, the lower horizontal frame 520, and the vertical lattice members 550 of this embodiment are also primarily made of wood. However, even in this embodiment, no horizontal lattice members (horizontal bars) are provided between the upper horizontal frame 510 and the lower horizontal frame 520 to connect the multiple vertical lattice members 550. The partition lattice member 502 does not include horizontal lattice members, even though the upper horizontal frame 510, the lower horizontal frame 520, and the vertical lattice members 550 are all primarily made of wood. Therefore, fewer steps are required for construction compared to conventional wooden partition lattices that include horizontal lattice members. This also reduces the burden on workers. Furthermore, the absence of horizontal lattice members allows the partition lattice member 502 of this embodiment to give a sophisticated impression to viewers. It also has superior design compared to conventional wooden partition lattices that include horizontal lattice members.

[0090] Furthermore, as described above, the vertical lattice member 550 of this embodiment also comprises a wooden core material, metal reinforcing materials, and facing and covering materials that cover them. This makes the vertical lattice member 550 more rigid. Even without horizontal lattice members, the vertical lattice member 550 is less likely to deform. The beauty of the appearance of the partition lattice member 502 can be maintained for a long period of time.

[0091] Although the embodiments of the technology disclosed in this specification have been described in detail above, these are merely examples and do not limit the scope of the claims. The technology described in the claims includes various modifications and alterations of the specific examples exemplified above. For example, the following modifications may be included.

[0092] (Variation 1) In each of the above-described embodiments, the insertion grooves 14 (514), 24 (524) are provided in both the upper horizontal frame 10 (510) and the lower horizontal frame 20 (520). This is not a limitation, and an insertion groove may be provided in only one of the upper horizontal frame 10 (510) and the lower horizontal frame 20 (520). In this case, each vertical lattice member 50 (550) may be positioned by inserting one end (upper end or lower end) into an insertion groove provided in one of the upper horizontal frame 10 (510) and the lower horizontal frame 20 (520). The other end of the vertical lattice member 50 (550) may be positioned using a different method. For example, the horizontal frame of the upper horizontal frame 10 (510) or the lower horizontal frame 20 (520) that does not have an insertion groove may have a hole formed therein into which the other end of the vertical lattice member 50 (550) can be inserted. By inserting the other end of the vertical lattice member 50 (550) into the hole, the other end of the vertical lattice member 50 (550) may be positioned on the horizontal frame on the side that does not have the insertion groove.

[0093] (Variation 2) In the first embodiment, the reinforcing material 103 of the vertical lattice material 50 is a metal gutter-shaped member with a C-shaped cross section (see FIG. 4). This is not limiting, and the reinforcing material of the vertical lattice material 50 may be a metal square tube (square pipe)-shaped member placed on the outside of the core material 101. In this case, too, it is preferable that the facing material 104 is attached across the core material 101 and the reinforcing material. In another variation, the reinforcing material may be a metal rod built into the core material 101. Any configuration may be adopted as long as the vertical lattice material has a wooden core material and a metal reinforcing material.

[0094] (Variation 3) In the first and second embodiments described above, the left vertical frame 30 and the right vertical frame 40 are also provided with reinforcing materials similar to the vertical lattice material 50. However, this is not limited to this, and the left vertical frame 30 and the right vertical frame 40 do not necessarily have to be provided with reinforcing materials.

[0095] (Modification 4) The vertical lattice member 50 (550) does not have to have a reinforcing member.

[0096] (Variation 5) In the first embodiment, the insertion grooves 14 of the upper horizontal frame 10 and the insertion grooves 24 of the lower horizontal frame 20 are both open on the front surface 12, 22 side. This is not limiting, and the insertion grooves 14 of the upper horizontal frame 10 and the insertion grooves 24 of the lower horizontal frame 20 may be open on the rear surface 16, 26 side. In this case, the upper end 52 of each vertical lattice member 50 may be inserted into the insertion groove 14 from the rear, and the lower end 54 may be inserted into the insertion groove 24 from the rear.

[0097] (Variation 6) In the above-described first and second embodiments, when constructing the partition lattice 2 (202), the worker first forms the frame body 4 and then places at least one vertical lattice member 50 (rear member 50b) inside the frame body 4 in advance (see FIGS. 5 and 11). However, this is not limiting, and the worker does not need to fix the vertical lattice member 50 (rear member 50b) inside the frame body 4 in advance before placing it in the construction position.

[0098] (Variation 7) In yet another example, the worker may first fix the upper horizontal frame 10 to the ceiling and fix the lower horizontal frame 20 to the floor, without forming the frame body 4 in advance. After the upper horizontal frame 10 and the lower horizontal frame 20 are fixed in their construction positions, the worker may then attach the left vertical frame 30, the right vertical frame 40, and the vertical lattice material 50. In this case, it is preferable that the worker properly align the upper horizontal frame 10, which is fixed to the ceiling, and the lower horizontal frame 20, which is fixed to the floor, in the vertical direction.

[0099] (Variation 8) In the second embodiment, the insertion grooves 14, 24 of the upper horizontal frame 10 and the lower horizontal frame 20 may be open only on the rear surface 16, 26 side, and not on the front surface 12, 22 side. In this case, as in the second embodiment, the rear-upper end portion 52b of the rear member 50b is inserted from the rear into the insertion groove 14 to be positioned on the upper horizontal frame 10, and the rear-lower end portion 54b is inserted from the rear into the insertion groove 24 to be positioned on the lower horizontal frame 20. Thereafter, the rear member 50b and the front member 50a are assembled by fitting the fitting groove 55b provided on the front surface of the rear member 50b into the fitting protrusion 55a provided on the rear surface of the front member 50a. The front upper end portion 52a and the front lower end portion 54a of the front member 50a do not have to be directly positioned on the upper horizontal frame 10 and the lower horizontal frame 20.

[0100] (Modification 9) The vertical lattice member 50 may be formed by any combination of a plurality of members, without being limited to the second embodiment or the above modification 8.

[0101] (Variation 10) In the first and second embodiments, the left vertical frame 30 and the right vertical frame 40 may be omitted. In that case, similar to the third embodiment, the partition lattice 2 (202) may be formed by fixing a plurality of vertical lattice members 50 to the upper horizontal frame 10 and the lower horizontal frame 20.

[0102] Furthermore, the technical elements described in this specification or drawings may exhibit technical utility either alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Furthermore, the technologies illustrated in this specification or drawings simultaneously achieve multiple objectives, and achieving one of those objectives is itself technically useful. [Explanation of symbols]

[0103] 2: Partition lattice 4: Frame 10: Upper horizontal frame 14: Insertion groove 20: Bottom horizontal frame 24: Insertion groove 30: Left vertical frame 40: Right vertical frame 50:Vertical lattice material 50a: Front member 50b: Rear part 52: Upper end 52a: Front upper end 52b: Upper rear end 54: Bottom end 54a: Front lower end 54b: Lower rear end 60: Left decorative material 70: Right decorative material 101: Core material 103: Reinforcement material 104: Covering material 202: Partition lattice 502: Partition lattice 504: Lattice unit 510: Upper horizontal frame 514: Insertion groove 520: Lower horizontal frame 524: Insertion groove 540: Lattice unit 550: Vertical lattice material

Claims

1. The upper horizontal frame and The lower horizontal frame and A plurality of vertical lattice members arranged at specific intervals in the left-right direction; The upper end of the vertical lattice member is fixed to the upper horizontal frame, The lower end of the vertical lattice member is fixed to the lower horizontal frame, At least one of the upper horizontal frame and the lower horizontal frame is provided with a plurality of insertion grooves, at least one of which is open on the front side and the rear side, At least one of the upper end portion and the lower end portion of the vertical lattice member is inserted into the insertion groove and positioned in at least one of the upper horizontal frame and the lower horizontal frame. Partition lattice.

2. 2. The partition lattice of claim 1, wherein the front-to-rear width of each of the plurality of vertical lattice members is greater than the front-to-rear width of the upper horizontal frame and the front-to-rear width of the lower horizontal frame.

3. The partition lattice of claim 1 , wherein the ends of the two upper horizontal frames are connectable to each other, and the ends of the two lower horizontal frames are connectable to each other.

4. The insertion groove is provided in both the upper horizontal frame and the lower horizontal frame, The partition grille of claim 1, wherein the upper end of the vertical grille material is inserted into the insertion groove of the upper horizontal frame and positioned in the upper horizontal frame, and the lower end of the vertical grille material is inserted into the insertion groove of the lower horizontal frame and positioned in the lower horizontal frame.

5. The upper horizontal frame, the lower horizontal frame, and the vertical lattice material are formed primarily from wood, The partition lattice according to claim 1, wherein no horizontal lattice members are provided between the upper horizontal frame and the lower horizontal frame for connecting the plurality of vertical lattice members to each other.

6. The vertical lattice member has a wooden core member and a metal reinforcing member, The partition lattice according to claim 1 , wherein the reinforcing material is provided on the outer surface of the core material or is built into the core material.

7. The vertical lattice material further has a facing material, The reinforcing material is a trough-shaped member provided so as to cover at least one side surface of the core material, The partition lattice according to claim 6, wherein the facing material is attached over both the reinforcing material and the core material.

8. A left vertical frame that connects one end of the upper horizontal frame and one end of the lower horizontal frame; Further, a right vertical frame is provided to connect the other end of the upper horizontal frame and the other end of the lower horizontal frame, The partition lattice according to claim 1 , wherein the plurality of vertical lattice members are arranged at specific intervals in the left-right direction between the left vertical frame and the right vertical frame.

9. The partition lattice of claim 8, further comprising a left decorative material covering the front, left side and rear of the left vertical frame, and a right decorative material covering the front, right side and rear of the right vertical frame.

10. The left decorative material is integrally formed with a left front portion covering the front surface of the left vertical frame, a left side portion covering the left side surface of the left vertical frame, and a left rear portion covering the rear surface of the left vertical frame, and is bent by a left bending groove provided between each portion of the left front portion, the left side portion, and the left rear portion, A partition lattice as claimed in claim 9, wherein the right decorative material is integrally formed with a right front portion covering the front surface of the right vertical frame, a right side portion covering the right side surface of the right vertical frame, and a right rear portion covering the rear surface of the right vertical frame, and is bent by a right bending groove provided between each portion of the right front portion, the right side portion, and the right rear portion.

11. The insertion groove is open on both the front side and the rear side of at least one of the upper horizontal frame and the lower horizontal frame, The vertical lattice member includes a front member and a rear member that can be combined with the front member, At least one of a rear upper end portion and a rear lower end portion of the rear member is inserted into the insertion groove from the rear and positioned on at least one of the upper horizontal frame and the lower horizontal frame, At least one of the front upper end portion and the front lower end portion of the front member is inserted into the insertion groove from the front and positioned in at least one of the upper horizontal frame and the lower horizontal frame, 2. The partition grille of claim 1 , wherein the vertical grille member is formed by combining the positioned rear member and the positioned front member.

12. A partition grid construction method for forming the partition grid of claim 1, Fixing the upper horizontal frame to a ceiling; Fixing the lower horizontal frame to a floor; and arranging the plurality of vertical lattice members at specific intervals in the left-right direction, The step of placing includes inserting at least one of the upper end portion and the lower end portion of the vertical lattice material into the insertion groove and positioning the vertical lattice material on at least one of the upper horizontal frame and the lower horizontal frame. Partition lattice construction method.

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