Fittings

Abstract

To provide a fitting, in which a running surface on which a door wheel of a sliding door runs is constituted by a plurality of rails, capable of reducing noise when the door wheel passes over the boundary between the adjacent rails.SOLUTION: A fitting 1 includes a sliding door 30 equipped with a door wheel 34 and a horizontal frame 12 on which the door wheel 34 runs. The horizontal frame 12 has a plurality of rails 181, 183 that are arranged in series with a gap G therebetween within a range along which the door wheel 34 runs and the door wheel 34 has three or more rollers 342 arranged in series in a direction in which the door wheel 34 runs.SELECTED DRAWING: Figure 18

Description

[Technical field]

[0001] The present disclosure relates to building materials. [Background technology]

[0002] 2. Description of the Related Art Conventionally, fittings have been known in which the running surface on which the rollers of a shoji screen run is constructed by continuously connecting a plurality of rails (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Special Publication No. 7-6327 Summary of the Invention [Problem to be solved by the invention]

[0004] When the running surface on which the rollers of a shoji screen run is made up of multiple rails, noise may be generated when the rollers pass over the joints between adjacent rails due to differences in level between the adjacent rails. Therefore, it is desirable to be able to reduce the noise generated when the rollers pass over the running surface.

[0005] The objective of the present disclosure is to provide a fixture in which the running surface on which the rollers of a shoji screen run is made up of multiple rails, thereby reducing noise when the rollers pass over the boundaries between the multiple rails. [Means for solving the problem]

[0006] The present disclosure relates to a fixture comprising a shoji screen equipped with a roller or a hoist wheel, and a horizontal frame along which the roller or the hoist wheel runs, the horizontal frame having a plurality of rails arranged in succession with gaps therebetween in the area along which the roller or the hoist wheel runs, and the roller or the hoist wheel having three or more wheels arranged in a row in the direction along which the roller or the hoist wheel runs. [Brief description of the drawings]

[0007] [Figure 1] FIG. 2 is a front view showing a state in which the panoramic window of the first embodiment is in a closed position. [Figure 2A] 2 is a cross-sectional view taken along line AA in FIG. 1, showing the state in which the panoramic window is in a closed position. [Figure 2B] 2B is a cross-sectional view showing a state in which the panoramic window has been moved to an intermediate position from the closed position shown in FIG. 2A. [Figure 2C] 2C is a cross-sectional view showing the panoramic window in an open position from the position shown in FIG. 2B. [Figure 3A] 2 is a cross-sectional view taken along the line BB in FIG. 1, showing a state in which the parallel-side upper rotating lid and the parallel-side lower rotating lid are closed. [Figure 3B] 2 is a cross-sectional view taken along line BB in FIG. 1, showing a state in which the parallel-side upper rotating lid and the parallel-side lower rotating lid are open. [Figure 4A] 2 is a cross-sectional view taken along line CC in FIG. 1, showing a state in which the parallel moving screen is positioned on the outside of the room. [Figure 4B] 2 is a cross-sectional view taken along line CC in FIG. 1, showing a state in which the parallel moving shoji screen is positioned on the indoor side. [Figure 5A] FIG. 2 is a cross-sectional view taken along line DD in FIG. 1, showing the state in which the sliding screen is positioned on the left side in the left-right direction and the sliding-side lower rotating lid is open. [Figure 5B] 1, showing a cross section taken along line DD in FIG. 1, with the sliding screen positioned on the right side in the left-right direction and the sliding-side lower rotating lid closed. FIG. [Figure 6] This is an oblique view of the right-hand side portion of the upper frame of a panoramic window, viewed diagonally from below on the outside of the room. [Figure 7] This is an oblique view of the right-hand part of the bottom frame of a panoramic window, viewed diagonally from above on the outside of the room. [Figure 8] 13 is a diagram showing the parallel side prospective direction movement mechanism, the parallel side lower opening / closing mechanism, and the parallel side prospective position restriction mechanism that are arranged on the right side portion in the left-right direction of the lower frame of the panoramic window. FIG. [Figure 9]This is an oblique view of the left end portion of the bottom frame of a panoramic window, viewed diagonally from above on the outside of the room. [Figure 10] FIG. 4 is a perspective view showing a sliding-side lower opening / closing mechanism. [Figure 11] FIG. [Figure 12] 1 is a perspective view showing a state in which a right sliding rail plate and a left sliding rail plate are arranged side by side with a gap therebetween. FIG. [Figure 13] 1 is a cross-sectional view showing a state in which a right sliding rail plate and a left sliding rail plate are arranged side by side with a gap therebetween. FIG. [Figure 14] 3B is an enlarged cross-sectional view of a portion on the lower frame side in FIG. 3A. FIG. [Figure 15] 5B is an enlarged cross-sectional view of a portion on the lower frame side in FIG. 5A. FIG. [Figure 16] FIG. 13 is a perspective view showing a prospective direction movement drive mechanism. [Figure 17] 13 is a perspective view showing a restricting mechanism for restricting the movement of the parallel moving screen toward the inside of the room. FIG. [Figure 18] A figure showing the state in which the sliding screen roller moves from the left sliding rail plate to the right sliding rail plate. [Figure 19] 19 is a diagram showing the state in which the roller of the sliding screen moves further toward the right sliding rail plate from the position shown in FIG. 18. FIG. [Figure 20] A figure showing the state in which the sliding screen roller moves from the right sliding rail plate to the left sliding rail plate. [Figure 21] 21 is a diagram showing the state in which the roller of the sliding screen moves further toward the left sliding rail plate from the position shown in FIG. 20. FIG. [Figure 22] FIG. 11 is a perspective view showing a sliding-side lower opening / closing mechanism of a second embodiment. [Figure 23] FIG. 11 is a cross-sectional view showing a projection direction movement drive mechanism according to a third embodiment. [Figure 24] FIG. 13 is a perspective view showing a projection direction movement drive mechanism according to a third embodiment. [Diagram 25] 25 is a cross-sectional view taken along line EE in FIG. 24. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Hereinafter, the panoramic window 1 as a fitting of the first embodiment will be described with reference to the drawings. In this specification, the term "view direction" refers to the in-plane direction of a paper screen housed in a frame of the fitting housed in an opening formed in a building, and the term "view direction" refers to the indoor / outdoor direction (i.e., the depth direction). In addition, in the view direction, the left-right direction in FIG. 1 is referred to as the left-right direction X, and when the panoramic window 1 in FIG. 1 is viewed from the inside of the room, the right side, which is one side of the left-right direction X in FIG. 1, is referred to as the right side X1, and the left side, which is the other side of the left-right direction X, is referred to as the left side X2. In addition, the indoor / outdoor direction in FIG. 2A to FIG. 2C is referred to as the view direction Y, the back side in the view direction Y is referred to as the outside side Y1, and the front side is referred to as the inside side Y2.

[0009] 1, the panoramic window 1 of this embodiment includes a frame body 10 provided in an opening of a building, a parallel moving screen 20, a sliding screen 30, a parallel side prospective direction movement mechanism 4 (drive mechanism) that moves the parallel moving screen 20 in the prospective direction, a sliding side prospective direction movement mechanism 5 that moves the sliding screen 30 in the prospective direction, a parallel side lower opening / closing mechanism 6, a parallel side upper opening / closing mechanism 7, a parallel side prospective position regulating mechanism 8, and a sliding side lower opening / closing mechanism 9 (rotation drive mechanism). The parallel moving screen 20 and the sliding screen 30 are arranged within the frame body 10.

[0010] As shown in Fig. 1, the frame body 10 is framed in a square shape by an upper frame 11, a lower frame 12 (horizontal frame), and a pair of vertical frames 13, 13. The upper frame 11, the lower frame 12, and the pair of vertical frames 13, 13 are formed, for example, by extruding aluminum. Within the frame body 10, a parallel moving shoji screen 20 (shoji screen) and a sliding moving shoji screen 30 (shoji screen) are arranged.

[0011] As shown in Fig. 2A, the pair of vertical frames 13, 13 are each formed in a generally L-shaped cross section with the indoor side Y2 and the inside in the left-right direction X open. A vertical frame auxiliary frame 131 is attached to the inner surface in the left-right direction X of each of the pair of vertical frames 13, 13. The vertical frame auxiliary frame 131 can be replaced for maintenance or when changing to a different color. A parallel moving shoji screen 20 and a sliding moving shoji screen 30 are arranged between the pair of vertical frames 13, 13.

[0012] As shown in Figures 2A to 2C, the panoramic window 1 of this embodiment is capable of moving the parallel moving screen 20 and the sliding moving screen 30 within the frame body 10 to a closed position (Figures 1 and 2A), an intermediate position (Figure 2B), and an open position (Figure 2C).

[0013] In the closed position, the parallel moving screen 20 is arranged on the right side X1 (see FIG. 1) in the left-right direction X within the frame body 10, and is configured to be movable in the front direction Y by a parallel side front direction movement mechanism 4 (see FIG. 1). In the closed position, the sliding moving screen 30 is arranged on the right side X1 (see FIG. 1) in the left-right direction within the frame body 10, and is configured to be movable in the left-right direction X in the front direction by a sliding side front direction movement mechanism 5 (see FIG. 1).

[0014] In this embodiment, the parallel moving shoji screen 20 can only move in the front direction Y (indoor / outdoor direction) within the frame body 10. The sliding shoji screen 30 can only move in the left-right direction X (horizontal direction) in the front direction within the frame body 10. This makes it possible to open the panoramic window 1 by moving the parallel moving shoji screen 20 only in the front direction Y within the frame body 10, and then moving the sliding shoji screen 30 only in the left-right direction X in the front direction. This makes it possible to realize a panoramic window 1 that can be opened and closed while maintaining a good view.

[0015] When the panoramic window 1 is in the closed position, as shown in FIG. 2A, the parallel moving screen 20 and the sliding screen 30 are arranged in a straight line in the left-right direction X in the front view direction within the frame body 10.

[0016] Furthermore, within the frame body 10, by moving the parallel moving shoji screen 20 from the closed position shown in Figure 2A to the indoor side Y2 in the forward direction Y, the parallel moving shoji screen 20 is positioned at an intermediate position on the indoor side Y2 as shown in Figure 2B.

[0017] Furthermore, within the frame body 10, by moving the pair of sliding screens 30 from the intermediate position shown in Fig. 2B to the right side X1 in the left-right direction X, the sliding screens 30 are positioned in an open position moved to the right side X1 in the left-right direction X as shown in Fig. 2C. When the panoramic window 1 is positioned in the open position, the parallel moving screens 20 and the sliding screens 30 are positioned within the frame body 10 so as to overlap in the view direction Y at the right side X1 in the left-right direction X when viewed in the view direction Y.

[0018] The frame body 10 will be described. As shown in Fig. 3A to Fig. 5B, the upper frame 11 has a width in the prospective direction Y, and extends in the left-right direction X as shown in Fig. 1. As shown in Fig. 3A to Fig. 5B, the upper frame 11 has an upper frame outdoor body part 111 that is provided on the outdoor side Y1 and has a generally L-shaped cross section formed with the outdoor side Y2 and the lower side open, an upper frame indoor side body part 112 that is provided on the indoor side Y2 and has a generally L-shaped cross section formed with the outdoor side Y1 and the lower side open, an upper frame outdoor side lower horizontal protruding part 113 that protrudes from the lower end of the upper frame outdoor side body part 111 to the indoor side Y2, an upper frame indoor side cover 114 that is provided on the outdoor side Y1 of the lower end of the upper frame indoor side body part 112, an upper frame indoor side fixed lid part 115 (see Fig. 5A and Fig. 5B), and a parallel side upper rotating lid part 15 (see Fig. 3A to Fig. 4B). The parallel side upper rotating cover portion 15 is disposed inside the upper frame 11 .

[0019] When the upper frame exterior body portion 111 and the upper frame interior body portion 112 are formed continuously, an upper frame lower opening portion 117 that opens downward is formed at the lower portion of the upper frame 11.

[0020] When the panoramic window 1 is in the closed position, the upper end of the parallel moving shoji screen 20 is disposed in the upper frame lower opening 117 on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIGS. 3A to 4B. The upper end of the parallel moving shoji screen 20 is disposed on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1 so as to be movable in the prospective direction Y.

[0021] When the panoramic window 1 is in the closed position, the upper end of the sliding door 30 is disposed in the upper frame lower opening 117 on the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIG. 5A and FIG. 5B. The upper end of the sliding door 30 is disposed so as to be movable in the left-right direction X of the panoramic window 1.

[0022] On the right side X1 (see FIG. 1) of the left-right direction X of the panoramic window 1 shown in FIG. 1, when the parallel moving screen 20 moves in the forward direction Y (indoor / outdoor direction) as shown in FIG. 3A and FIG. 3B, the parallel side upper rotating lid portion 15 is opened and closed by the parallel side upper opening and closing mechanism 7 (see FIG. 1 and FIG. 6).

[0023] 3A, 3B, and 6, the parallel side upper rotating lid part 15 is connected to the parallel side upper opening and closing mechanism 7. The parallel side upper rotating lid part 15 has a motor side frame part 151 connected to the parallel side upper opening and closing mechanism 7, and a lid side frame part 152 connected to the motor side frame part 151.

[0024] The motor side frame 151 and the lid side frame 152 are provided separately and fixed together to form an integral structure. The parallel side upper rotating lid 15 (see FIG. 6) is rotated integrally about the rotation shaft 7a as shown in FIGS. 3A and 3B by driving the motor 71 of the parallel side upper opening / closing mechanism 7 (see FIGS. 1 and 6). The lid side frame 152 can be removed and replaced during maintenance, etc.

[0025] The parallel side upper rotating lid portion 15 can be rotated to a closed position (see Figure 3A) in which the lid side frame portion 152 closes the upper frame lower opening 117 at the center of the upper frame 11 in the forward direction Y, and to an open position (see Figure 3B) in which the lid side frame portion 152 rotates diagonally upward to the indoor side Y2 and retreats to open the upper frame lower opening 117.

[0026] As shown in Fig. 3A, when the parallel moving screen 20 is located on the outside Y1, the parallel side upper rotating lid part 15 is located in the closed position. When the parallel side upper rotating lid part 15 is located in the closed position, the upper frame lower opening 117 is closed, and the lower surface of the lid side frame part 152 and the lower surface of the upper frame indoor side cover 114 of the upper frame 11 are arranged on the same plane.

[0027] When moving the parallel moving shoji screen 20 from the outside Y1 (see Figure 4A) to the inside Y2 (see Figure 4B), as shown in Figure 3B, the parallel side upper rotating lid portion 15 is rotated to the open position and the lid side frame portion 152 is rotated diagonally upward to the inside Y2 and retracted, thereby making it possible to move the parallel moving shoji screen 20 from the outside Y1 (see Figure 4A) to the inside Y2 (see Figure 4B).

[0028] As shown in Figures 3A to 5B, over the entire area in the left-right direction X of the panoramic window 1 shown in Figure 1, the portion of the upper frame lower opening 117 on the indoor side Y2 in the expected direction Y is closed by an upper frame indoor side cover 114 that is fixed without being opened or closed. As shown in Figure 5A, the upper frame indoor side cover 114 is detachably attached to a mounting frame 112a fixed to the lower end of the indoor side Y2 of the upper frame indoor side main body part 112. The upper frame indoor side cover 114 can be removed and replaced during maintenance, etc.

[0029] 5A and 5B, the upper frame indoor side cover 114 is formed in the same shape as an upper frame indoor side fixed lid part 115 described later, and the mounting structure of the upper frame indoor side cover 114 is similar to the mounting structure of the upper frame indoor side fixed lid part 115 described later. Therefore, the description of the mounting structure of the upper frame indoor side cover 114 will be omitted by using the description of the mounting structure of the upper frame indoor side fixed lid part 115 described later.

[0030] On the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1 shown in FIG. 1, as shown in FIG. 5A, the central portion of the upper frame lower opening 117 in the prospective direction Y is closed by an upper frame interior fixed lid part 115 that is fixed without opening or closing. The upper frame interior fixed lid part 115 can be removed and replaced during maintenance, etc.

[0031] The mounting structure of the upper frame interior fixed lid part 115 will be described. As shown in Figures 5A and 5B, an upper hollow frame 118 is fixed to the inner surface of a corner part of the upper frame interior main body part 112. An intermediate hollow frame 119, which is shorter in length in the projection direction Y than the upper hollow frame 118, is fixed to the lower surface of the upper hollow frame 118, near the center in the projection direction Y of the upper frame 11. Here, by removing the upper hollow frame 118 and the intermediate hollow frame 119 from the state shown in Figure 5B, it is possible to replace the motor of the slide side projection direction movement mechanism 5, etc.

[0032] As shown in FIG. 5A, the intermediate hollow frame 119 has a hollow frame body 119a, a horizontal extension plate 119b, a lower rotating shaft side engagement portion 119g, and a lower locking side engagement portion 119h. The horizontal extension plate 119b extends from the surface of the intermediate hollow frame 119 on the outside Y1 side in the vertical direction to the outside Y1 side. The reason for providing the horizontal extension plate 119b is to make it difficult to see the inside of the upper frame 11 from the upper frame lower opening 117 on the lower side of the upper frame outside body part 111 side of the upper frame 11 when the sliding moving screen 30 moves to the left side X2 in the left-right direction X and the sliding moving screen 30 is not present inside the upper frame outside body part 111 on the left side X2 in the left-right direction X of the upper frame 11, as shown in FIG. 5B.

[0033] 5A, the lower rotating shaft side engaging portion 119g and the lower locking side engaging portion 119h are disposed at a predetermined distance apart in the projection direction Y at the lower end portion of the intermediate hollow frame 119. The upper frame chamber inner fixed lid portion 115 is detachably engaged and fixed to the lower rotating shaft side engaging portion 119g and the lower locking side engaging portion 119h.

[0034] The lower locking side engagement portion 119h has a protrusion 119i that protrudes horizontally at the lower end of the intermediate hollow frame 119 toward the outside side Y1.

[0035] The lower rotating shaft side engagement portion 119g has a downward extension portion 119c extending downward a predetermined length from the lower end of the outdoor side Y1 of the hollow frame main body 119a, an arc-shaped protrusion portion 119d protruding downward a predetermined length in an arc shape from the lower end of the downward extension portion 119c, a horizontal extension portion 119e extending horizontally a predetermined length from the arc-shaped protrusion portion 119d to the outdoor side Y1, and an axis portion 119f formed at the end of the horizontal extension portion 119e on the outdoor side Y1.

[0036] The upper frame indoor side fixed cover portion 115 is removably attached to the intermediate hollow frame 119 by engaging with the lower rotating shaft side engagement portion 119g on the indoor side Y1 and with the lower locking side engagement portion 119h on the indoor side Y2.

[0037] The upper frame indoor side fixed cover portion 115 has a downward extending lower panel 115a, a first arc piece 115b and a second arc piece 115c formed by protruding upward from the upper surface of the outdoor side Y1 of the downward extending lower panel 115a, and an upward protruding piece 115d formed by protruding upward from the upper surface of the indoor side Y2 of the downward extending lower panel 115a.

[0038] The upper protruding piece 115d has a locking projection 115e that protrudes toward the interior side Y2 in the vertical direction. The locking projection 115e is locked to a protrusion 119i of a lower locking side engagement portion 119h of the intermediate hollow frame 119 when the upper frame interior side fixed cover portion 115 is attached to the lower end of the intermediate hollow frame 119.

[0039] Of the first arc piece 115b and the second arc piece 115c formed on the upper surface of the front-direction extending lower panel 115a, the first arc piece 115b is disposed on the outdoor side Y1, and the second arc piece 115c is disposed on the indoor side Y2. The first arc piece 115b and the second arc piece 115c are disposed at a predetermined distance apart in the front-direction Y, and are curved in an arc shape toward each other. The arc length of the first arc piece 115b is formed shorter than the arc length of the second arc piece 115c.

[0040] The first arcuate piece 115b and the second arcuate piece 115c rotatably support the lower rotating shaft side engaging portion 119g.

[0041] The first arc piece 115b supports, on the inside of the arc, the shaft portion 119f of the lower rotating shaft side engagement portion 119g formed on the lower portion of the outdoor side Y1 of the intermediate hollow frame 119. The second arc piece 115c is disposed along the outside of the arc-shaped protruding portion 119d of the lower rotating shaft side engagement portion 119g. As a result, the lower rotating shaft side engagement portion 119g rotates around the shaft portion 119f by being supported by the first arc piece 115b between the first arc piece 115b and the second arc piece 115c, while the arc-shaped protruding portion 119d rotates along the second arc piece 115c.

[0042] As a result, when the upper frame room interior fixed lid part 115 is removed from the lower end of the intermediate hollow frame 119, as shown in Fig. 5A, the locking projection 115e of the upper protruding piece 115d is released from the locking projection 119i of the lower locking side engagement part 119h of the intermediate hollow frame 119 at the lower end of the room interior Y2 of the intermediate hollow frame 119, so that the upper frame room interior fixed lid part 115 rotates around the shaft part 119f in a state where the shaft part 119f of the lower rotating shaft side engagement part 119g is hooked on the first arc piece 115b. Here, as shown in Fig. 5A, since the shaft part 119f of the lower rotating shaft side engagement part 119g is hooked on the first arc piece 115b, the upper frame room interior fixed lid part 115 can be prevented from falling downward.

[0043] When attaching the upper frame chamber inside fixed lid part 115 to the lower end of the intermediate hollow frame 119, the upper frame chamber inside fixed lid part 115 is rotated about the shaft part 119f with the shaft part 119f of the lower rotation shaft side engagement part 119g hooked onto the first arc piece 115b, and the protrusion part 119i of the lower locking side engagement part 119h of the intermediate hollow frame 119 is locked with the locking projection 115e of the upper protruding piece 115d. This allows the upper frame chamber inside fixed lid part 115 to be attached to the lower end of the intermediate hollow frame 119.

[0044] As shown in Figures 3A to 5B, a fitting portion 113a is provided at the end portion on the indoor side of the upper frame room exterior lower horizontal protrusion portion 113. An airtight material 113b is attached to the fitting portion 113a. The airtight material 113b attached to the fitting portion 113a is pressed against the visible surfaces on the outdoor upper side of the parallel moving screen 20 and the sliding moving screen 30.

[0045] As shown in FIGS. 3A to 5B, the lower frame 12 has a width in the front direction Y, and as shown in FIG. 1, extends in the front direction. As shown in Fig. 3A to Fig. 5B, the lower frame 12 has a lower frame outdoor body 121 that is provided on the outdoor side Y1 and has an approximately L-shaped cross section formed with the outdoor side Y2 and the upper side open, a lower frame indoor side body 122 that is provided on the indoor side Y2 and has an approximately L-shaped cross section formed with the outdoor side Y1 and the upper side open, a lower frame outdoor side upper horizontal protruding part 123 that protrudes from the upper end of the lower frame outdoor side body 121 to the indoor side Y2, a lower frame indoor side cover 124 that is provided on the outdoor side Y1 of the upper end of the lower frame indoor side body 122, a lower frame indoor side fixed lid part 125 (see Fig. 5A, Fig. 5B), a lower support frame 126, a parallel side lower rotating lid part 16 (see Fig. 3A to Fig. 4B), and a slide side lower rotating lid part 17 (see Fig. 5A, Fig. 5B) (rotating member). The parallel side lower rotating lid part 16 and the slide side lower rotating lid part 17 are arranged inside the lower frame 12.

[0046] When the lower frame exterior body 121 and the lower frame interior body 122 are combined, a lower frame upper opening 127 that opens upward is formed at the top of the lower frame 12.

[0047] In the lower frame 12, the inside on the lower side of the lower frame upper opening 127 forms a shoji arrangement groove in which the lower end of the parallel moving shoji 20 and the lower end of the sliding moving shoji 30 are arranged.

[0048] When the panoramic window 1 is in the closed position, the lower end of the parallel moving shoji screen 20 is disposed in the lower frame upper opening 127 on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIGS. 3A to 4B. The lower end of the parallel moving shoji screen 20 is disposed on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1 so as to be movable in the prospective direction Y.

[0049] When the panoramic window 1 is in the closed position, the lower end of the sliding door 30 is disposed in the lower frame upper opening 127 on the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIG. 5A and FIG. 5B. The lower end of the sliding door 30 is disposed so as to be movable in the left-right direction X of the panoramic window 1.

[0050] The lower support frame 126 is disposed inside the lower frame 12 on the right side X1 in the left-right direction of the panoramic window 1, below the lower frame upper opening 127. As shown in Figures 4A, 4B, and 7, the lower support frame 126 has a support frame 126a for movement in the front direction and two support frames 126b for movement in the front direction.

[0051] The front direction movement support frame 126a has a hollow portion and extends in the left-right direction X. The upper surface of the front direction movement support frame 126a is formed in a horizontal plane, and a sliding right side rail plate 181 (rail) is fixed to the upper surface of the front direction movement support frame 126a. The front direction movement support frame 126a supports, at its lower part, the sliding screen 30 that moves on the upper surface of the sliding right side rail plate 181. The sliding right side rail plate 181 is formed, for example, from a stainless steel material.

[0052] On the upper surface of the sliding right rail plate 181, the parallel moving door 20 is arranged so as to be movable in the forward direction Y, and the sliding door 30 is arranged so as to be movable in the left-right direction X. The upper surface of the sliding right rail plate 181 constitutes a running surface along which the forward direction moving door roller 34 of the sliding door 30 runs within the lower frame 12, as shown in Figs. 3A to 4B and 7. On a part of the upper surface of the sliding right rail plate 181, the forward direction moving door roller 24 of the parallel moving door 20 is arranged when the parallel moving door 20 is located on the outside side Y1, as shown in Figs. 4A and 7.

[0053] The two front direction movement support frames 126b have a hollow portion, and as shown in Fig. 7, are connected to the indoor side Y2 of the front direction movement support frame 126a at a position where the front direction movement door roller 24 of the parallel movement shoji 20 is provided in the left-right direction X of the panoramic window 1. The upper surface of each of the two front direction movement support frames 126b is formed in a horizontal plane, and a parallel right side rail plate 182 is fixed to the upper surface of the front direction movement support frame 126b.

[0054] The parallel right rail plate 182 is formed continuously with the room inside Y2 of the sliding right rail plate 181 at a position where the front direction moving door roller 34 of the parallel moving shoji screen 20 in the left-right direction X of the sliding right rail plate 181 is provided. The front direction movement support frame 126b supports at its lower part the parallel moving shoji screen 20 that moves on the upper surface of the parallel right rail plate 182. The parallel right rail plate 182 is formed of, for example, stainless steel material.

[0055] The parallel moving shoji screen 20 is arranged on the upper surface of the parallel right rail plate 182 so as to be movable in the forward direction Y. The upper surface of the parallel right rail plate 182 forms a running surface along which the forward direction moving door roller 24 of the parallel moving shoji screen 20 runs in part of the left-right direction X within the lower frame 12, as shown in Figs. 4B and 7. When the parallel moving shoji screen 20 is located on the indoor side Y2, the forward direction moving door roller 24 of the parallel moving shoji screen 20 is arranged on the upper surface of the parallel right rail plate 182, as shown in Figs. 4B and 7. The parallel right rail plate 182 is formed, for example, from a stainless steel material.

[0056] On the right side X1 (see FIG. 1) of the left-right direction X of the panoramic window 1 shown in FIG. 1, when the parallel moving screen 20 moves in the forward direction Y (indoor / outdoor direction) as shown in FIG. 3A and FIG. 3B, the parallel side lower rotating lid portion 16 is opened and closed by the parallel side lower opening and closing mechanism 6 (see FIG. 1, FIG. 7, FIG. 8).

[0057] The parallel-side lower rotating lid part 16 is connected to the parallel-side lower opening / closing mechanism 6, as shown in Fig. 3A, Fig. 3B, and Fig. 7. The parallel-side lower rotating lid part 16 has a plurality of motor-side frame parts 161 connected to the parallel-side lower opening / closing mechanism 6, and a lid-side frame part 162 connected to the motor-side frame parts 161. The motor-side frame parts 161 are provided spaced apart in the X direction, as shown in Figs. 7 and 8.

[0058] A plurality of motor side frame parts 161 and lid side frame parts 162 are provided separately and fixed together to form an integral structure. The parallel side lower rotating lid part 16 (see FIG. 7) is rotated integrally about the rotation shaft 6a as shown in FIGS. 3A and 3B by driving the motor 61 of the parallel side lower opening / closing mechanism 6 (see FIGS. 1 and 8). The lid side frame part 162 can be removed and replaced during maintenance, etc.

[0059] The parallel side lower rotating lid portion 16 is rotatable at the center of the lower frame 12 in the forward direction Y between a closed position (see Figure 3A) in which the lid side frame portion 162 closes the lower frame upper opening 127 (see Figure 3A) and an open position (see Figure 3B) in which the lid side frame portion 162 rotates diagonally downward and retreats to open the lower frame upper opening 127 (see Figure 3B).

[0060] As shown in Fig. 3A, when the parallel moving screen 20 is located on the outside Y1, the parallel side lower rotating lid part 16 is located in the closed position. When the parallel side lower rotating lid part 16 is located in the closed position, the lower frame upper opening 127 is closed, the upper surface of the lid side frame part 162 of the parallel side lower rotating lid part 16 forms the floor surface, and the upper surface of the lid side frame part 162 and the upper surface of the lower frame indoor side cover 124 of the lower frame 12 are arranged on the same plane.

[0061] When moving the parallel moving shoji screen 20 from the outside side Y1 (see Figure 4A) to the inside side Y2 (see Figure 4B), as shown in Figure 3B, the parallel side lower rotating lid portion 16 is rotated to the open position and the lid side frame portion 162 is rotated diagonally downward to the inside side Y2 and retracted, thereby making the parallel moving shoji screen 20 capable of being moved from the outside side Y1 (see Figure 4A) to the inside side Y2 (see Figure 4B).

[0062] On the right side X1 (see FIG. 1) of the left-right direction X of the panoramic window 1 shown in FIG. 1, when the parallel moving screen 20 moves in the left-right direction X as shown in FIG. 5A and FIG. 5B, the sliding side lower rotating lid portion 17 is opened and closed by the sliding side lower opening and closing mechanism 9 (see FIG. 1, FIG. 9, FIG. 10).

[0063] 5A, 5B, 9, and 10, the sliding side lower rotating lid part 17 is connected to the sliding side lower opening and closing mechanism 9. The sliding side lower rotating lid part 17 has a motor side frame part 171 connected to the sliding side lower opening and closing mechanism 9, a lid side frame part 172 connected to the motor side frame part 171, and a left side rail plate for sliding 183 (rail).

[0064] The motor-side frame 171, the lid-side frame 172, and the left side rail plate for sliding 183 are provided separately and are fixed together to form an integral structure. The sliding-side lower rotating lid 17 (see FIG. 10) is rotated integrally about the rotation shaft 9a as a result of the sliding-side lower opening / closing motor 92 of the sliding-side lower opening / closing mechanism 9 being driven, as shown in FIGS. 5A and 5B.

[0065] As shown in Figures 5A, 5B, 9 and 10, a base roller 18 is disposed below the motor-side frame part 171. The base roller 18 supports the rotating slide-side lower rotating lid part 17 from below. The base roller 18 has a base part 18a and a roller 18b rotatably attached to the base part 18a at an upper part of the base part 18a. The roller 18b supports the slide-side lower rotating lid part 17 from below.

[0066] The base roller 18 is a member that supports the sliding side lower rotating lid part 17 from below so that the sliding side lower rotating lid part 17 does not bend when the sliding side lower rotating lid part 17 receives a load from the parallel moving screen 20. The base roller 18 is also a member that supports the sliding side lower rotating lid part 17 from below so that the load is not placed on the sliding side lower opening and closing mechanism 9.

[0067] 5A and 5B, when the sliding-side lower rotating lid 17 is in the open position, the motor-side frame 171 has an upper horizontal plate 171a formed on the upper surface thereof and extending horizontally in the left-right direction X within the lower frame 12. A sliding left rail plate 183 (rail) is fixed to the upper surface of the upper horizontal plate 171a. The motor-side frame 171 supports, at its lower part, the sliding screen 30 that moves on the upper surface of the sliding left rail plate 183.

[0068] The sliding door 30 is disposed on the upper surface of the sliding left rail plate 183 so as to be movable in the left-right direction X. As shown in Figs. 5A, 5B, and 9 to 11, the upper surface of the sliding left rail plate 183 constitutes a wheel running surface along which the front-direction moving wheel 34 of the sliding door 30 runs within the lower frame 12. The sliding left rail plate 183 is formed, for example, from a stainless steel material.

[0069] 12 and 13, in the range in which the front-direction moving door roller 34 of the sliding moving screen 30 travels, the sliding right rail plate 181 and the sliding left rail plate 183 are arranged side by side in the left-right direction X, with a gap G therebetween. Details of the configuration of the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 and the operation when the front-direction moving door roller 34 of the sliding moving screen 30 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 will be described later.

[0070] As shown in Figure 10, the slide side lower opening and closing mechanism 9 comprises a base plate 91, a slide side lower opening and closing motor 92 (drive unit), a first power conversion mechanism 93, a connecting shaft portion 94, a second power conversion mechanism 95, a lid portion rotating shaft portion 96, and a rotating plate 97.

[0071] The base plate 91 has, on the indoor side Y2, an indoor left-right extending plate 911 extending in the left-right direction X, a facing direction extending plate 912 extending from the left side X2 end of the indoor side left-right extending plate 911 to the outdoor side Y1, and an outdoor side plate 913 connected to the outdoor side Y1 end of the facing direction extending plate 912.

[0072] The sliding-side lower opening / closing motor 92 is disposed at an end on the right side X1 in the left-right direction X of the indoor-side left-right extending plate 911 of the base plate 91. The sliding-side lower opening / closing motor 92 has a motor body 921 and a motor shaft 922 that protrudes to the left from the left end in the left-right direction X of the motor body 921. The motor shaft 922 extends in the left-right direction X.

[0073] The first power conversion mechanism 93 is formed in an L-shape and converts the axial direction of the motor shaft 922 into a perpendicular direction. Specifically, the first power conversion mechanism 93 converts the power transmitted in the axial direction of the motor shaft 922 from the left-right direction X to the forward direction Y. One end of the L-shape of the first power conversion mechanism 93 is connected to the motor shaft 922, and the other end of the L-shape is connected to the connecting shaft portion 94.

[0074] The connecting shaft portion 94 extends in the forward direction Y. The connecting shaft portion 94 has an indoor side Y2 end connected to the other end of the first power conversion mechanism 93 and an outdoor side Y1 end connected to the second power conversion mechanism 95.

[0075] The second power conversion mechanism 95 converts the axial direction of the connecting shaft portion 94 from the forward direction Y to the left-right direction X. The second power conversion mechanism 95 has a first gear 951 and a second gear 952.

[0076] The first gear 951 is connected to an end of the connecting shaft portion 94 on the outdoor side Y1, and is configured to be rotatable about an axis extending in the forward direction Y. A helical gear that revolves about an axis extending in the forward direction Y is formed on the outer circumferential surface of the first gear 951.

[0077] The second gear 952 is configured to be rotatable about an axis extending in the left-right direction X. On the outer circumferential surface of the second gear 952, a plurality of groove-shaped gears extending along the left-right direction X are formed side by side in the circumferential direction around the axis extending in the left-right direction X.

[0078] The grooved gear of the second gear 952 is connected in a meshed state with the spiral gear of the first gear 951. The second power conversion mechanism 95 converts the power transmitted in the axial direction of the first gear 951 (projection direction Y) into the axial direction of the second gear 952 (left-right direction X).

[0079] The lid rotation shaft 96 extends in the left-right direction X. The lid rotation shaft 96 is connected to the second gear 952 so that its axial direction coincides with the axial direction of the second gear 952. A rotation plate 97 is connected to both ends of the lid rotation shaft 96 in the axial direction (left-right direction X). The rotation plate 97 is connected to an end face of the sliding side lower rotating lid 17 in the left-right direction X. By rotating the rotation plate 97 around the axis of the lid rotation shaft 96, the sliding side lower rotating lid 17 connected to the rotation plate 97 can be rotated.

[0080] In the above-described sliding side lower opening / closing mechanism 9, the sliding side lower opening / closing motor 92 is provided in the lower frame 12 below a position shifted in the prospective direction Y of the sliding moving screen 30 from the running line extending in the direction in which the sliding moving screen 30 runs. This allows the sliding side lower opening / closing motor 92 to be positioned shifted in the prospective direction Y, avoiding the portion where the prospective direction moving door roller 34 of the sliding moving screen 30 runs.

[0081] With the sliding side lower opening / closing mechanism 9 configured as described above, the sliding side lower rotating lid portion 17 can be rotated to an open position (see Figure 5A) where the lid side frame portion 172 rotates diagonally downward and retreats to open the lower frame upper opening 127 and position the sliding moving shoji screen 30 on the outside side Y1 of the prospective direction Y of the bottom frame 12, and a closed position (see Figure 5B) where the lid side frame portion 172 closes the lower frame upper opening 127 after the sliding moving shoji screen 30 moves.

[0082] When the sliding side lower rotating cover portion 17 is in the open position, a sliding left side rail plate 183 is arranged on the upper surface of the upper horizontal plate portion 171a of the motor side frame portion 171 below the lower frame upper opening 127, and on the left side X2 in the left-right direction X of the panoramic window 1, the facing direction moving door roller 34 of the sliding moving shoji screen 30 is able to run on the running surface on the upper surface of the sliding left side rail plate 183.

[0083] When the sliding screen 30 moves to the right side X1 in the left-right direction of the panoramic window 1, the sliding side lower rotating lid part 17 is positioned in the closed position. When the sliding side lower rotating lid part 17 is positioned in the closed position, the lower frame upper opening 127 is closed, and the upper surface of the lid side frame part 172 of the sliding side lower rotating lid part 17 forms the floor surface forming surface, and the upper surface of the lid side frame part 172, the upper surface of the lower frame interior side cover 124 of the lower frame 12, the upper surface of the lower frame interior side fixed lid part 125, and the upper surface of the lower frame exterior upper horizontal protrusion part 123 of the lower frame 12 are arranged on the same plane to form the floor surface, thereby realizing barrier-free access.

[0084] In this way, the sliding side lower rotating lid part 17 is constructed by integrating the roller running surface (the upper surface of the sliding left rail plate 183 provided on the motor side frame part 171) along which the facing direction moving roller 34 of the sliding moving screen 30 runs, and the floor forming surface (the upper surface of the lid side frame part 172 of the sliding side lower rotating lid part 17) which forms a barrier-free floor surface, which are separately provided. The sliding side lower rotating lid part 17 rotates the roller running surface and the floor forming surface integrally around the rotation shaft 9a.

[0085] The slide-side lower opening / closing mechanism 9 rotates the slide-side lower rotating lid part 17 to the open position (FIG. 5A) (first rotation position) to place the floor forming surface inside the lower frame 12, and rotates the slide-side lower rotating lid part 17 to the closed position (see FIG. 5B) to set up the floor forming surface. As a result, the slide-side lower opening / closing mechanism 9 rotates the slide-side lower rotating lid part 17 to the open position (see FIG. 5A) (first rotation position) where the floor forming surface is set up inside the lower frame 12, and the closed position (see FIG. 5B) where the floor forming surface is set up.

[0086] 3A to 5B, over the entire area in the left-right direction X of the panoramic window 1 shown in Fig. 1, the portion of the lower frame upper opening 127 on the indoor side Y2 in the expected direction Y is closed by a lower frame indoor side cover 124 that is fixed without opening or closing. The lower frame indoor side cover 124 can be removed and replaced during maintenance, etc.

[0087] On the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1 shown in FIG. 1, as shown in FIG. 5A and FIG. 5B, the central portion of the lower frame upper opening 127 in the prospective direction Y is closed by a lower frame interior fixed lid part 125 that is fixed without opening or closing. The lower frame interior fixed lid part 125 can be removed and replaced during maintenance, etc.

[0088] An engagement portion 123a is provided at the end of the lower frame room exterior upper horizontal protrusion 123 on the room side. An airtight material 123b is attached to the engagement portion 123a. The airtight material 123b attached to the engagement portion 123a is pressed against the visible surface of the upper side of the room exterior of the sliding screen 30.

[0089] The parallel moving shoji screen 20 and the sliding shoji screen 30 will be described. The parallel moving shoji screen 20 can be moved in the prospective direction Y by a parallel side prospective direction movement mechanism 4 (indoor / outdoor direction movement mechanism) (described later). As shown in Figs. 1, 2A, and 3A, the parallel moving shoji screen 20 has a glass panel body 23 (glass panel), an upper frame 21 that supports the upper end of the glass panel body 23, a lower frame 22 that supports the lower end of the glass panel body 23, and two prospective direction movement door rollers 24. The glass panel body 23 has three glass panels 231, and is composed of double-glazed glass that is stacked in the prospective direction with an air layer between them by arranging a spacer 232 between them.

[0090] As shown in Fig. 1, the two front-direction moving door rollers 24 are attached to the lower end of the parallel moving door 20 at both ends in the left-right direction X of the parallel moving door 20 so as to be movable in the front-direction Y. The front-direction moving door rollers 24 are fixed to the lower end of the glass panel body 23 via a mounting frame body 25 as shown in Fig. 3A.

[0091] 3A and 7, the prospective direction moving door roller 24 has a wheel support part 241 and four sets of two wheels 242. Each of the four sets of two wheels 242 is formed in a disk shape that can rotate around a rotation axis extending in the left-right direction X.

[0092] The four sets of two wheels 242 are arranged in the prospective direction Y with the radial direction of the two wheels 242 coinciding with the prospective direction Y as shown in Fig. 3A, and are arranged in four sets in the left-right direction X as shown in Fig. 7. The four sets of two wheels 242 are formed in a disk shape that can rotate around a rotation axis extending in the left-right direction X, and are therefore movable in the prospective direction Y.

[0093] The wheel support portion 241 supports four pairs of two wheels 242. The wheel support portion 241 is configured as a single unit. The wheel support portion 241 supports the four pairs of two wheels 242 as a single unit so that the positional relationship between the wheels 242 does not change.

[0094] The travel surface on which the four pairs of two wheels 242 of the prospective direction moving door roller 24 travel will be described. As shown in Fig. 7, on the right side X1 in the left-right direction X of the lower frame 12, a right side rail plate for sliding 181 is fixed to the upper surface of the support frame for prospective direction movement 126a of the lower support frame 126, and a right side rail plate for parallel 182 formed continuously with the right side rail plate for sliding 181 is fixed to the upper surfaces of the two support frames for prospective direction movement 126b. The four pairs of two wheels 242 of the prospective direction moving door roller 24 can move in the prospective direction Y using the upper surface of the right side rail plate for sliding 181 and the upper surface of the right side rail plate for parallel 182 as travel surfaces.

[0095] As shown in Fig. 14, the parallel moving shoji screen 20 has the entire bottom frame 22 disposed inside the bottom frame 12. The bottom frame 22 is formed in a U-shape with an open upper portion. The lower end of the glass panel body 23 is disposed in the open portion of the bottom frame 22.

[0096] An upper end 221 of the outdoor side Y1 of the lower frame 22 is disposed below an upper end of the outdoor side upper horizontal protrusion 123 of the lower frame 12. An upper end 222 of the indoor side Y2 of the lower frame 22 is disposed below an upper end of the lid side frame 162 of the parallel side lower rotating lid part 16 when the lid side frame part 162 of the parallel side lower rotating lid part 16 disposed on the lower frame 12 is located in the closed position.

[0097] As shown in Figure 14, on the outside side Y1 of the parallel moving shoji screen 20 in the prospective direction Y, the distance L1a between the glass panel body 23 of the parallel moving shoji screen 20 and the bottom frame 12 is greater than the distance L1b between the bottom frame 22 and the bottom frame 12 (L1a > L1b).

[0098] Therefore, even if the parallel moving shoji screen 20 moves to the outside Y1 in the projection direction Y when the airtight material 123b is not attached to the fitting portion 123a, the bottom frame 22 hits the bottom frame 12 first, thereby preventing the glass panel body 23 from hitting the bottom frame 12.

[0099] In addition, in this embodiment, since the airtight material 123b is attached to the fitting portion 123a, when the parallel moving shoji screen 20 moves to the outside Y1 of the projection direction Y, the lower frame 22 hits the airtight material 123b first. The airtight material 123b functions as a restricting member that restricts the movement of the lower frame 22 in the projection direction.

[0100] Furthermore, on the indoor side Y2 of the parallel moving shoji screen 20 in the projection direction Y, the distance L1c between the glass panel body 23 of the parallel moving shoji screen 20 and the bottom frame 12 is greater than the distance L1d between the bottom frame 22 and the bottom frame 12 (L1c>L1d). Therefore, even if the parallel moving shoji screen 20 moves to the indoor side Y2 of the projection direction Y, the bottom frame 22 hits the bottom frame 12 before the glass panel body 23, so the glass panel body 23 is prevented from hitting the bottom frame 12.

[0101] The sliding screen 30 can be moved in the left-right direction X by a sliding-side front-direction movement mechanism 5 (described later). As shown in Fig. 1, Fig. 2A, and Fig. 3A, the sliding screen 30 has a glass panel body 33 (glass panel), an upper frame 31 that supports the upper end of the glass panel body 33, a lower frame 32 that supports the lower end of the glass panel body 33, and two front-direction movement door rollers 34. The glass panel body 33 has three glass panels 331, and is composed of double-glazed glass that is stacked in the front direction with an air layer between them by arranging a spacer 332 between them.

[0102] As shown in Fig. 1, the two front-direction movable door rollers 34 are attached to the lower end of the sliding door 30 at both ends in the left-right direction X of the sliding door 30 so as to be movable in the left-right direction X. As shown in Fig. 5A, the front-direction movable door rollers 34 are fixed to the lower end of the glass panel body 33 via a mounting frame body 35.

[0103] Of the two facing direction movable door rollers 34, the facing direction movable door roller 34 arranged on the left side X2 in the left-right direction X is arranged closer to the center than the end of the left side X2 in the left-right direction X of the sliding moving shoji screen 30, as shown in Figure 1, at the end side of the left side X2 in the left-right direction X of the sliding moving shoji screen 30, to avoid the slide-side lower opening and closing mechanism 9 arranged at the end of the left side X2 in the left-right direction X.

[0104] 11, the two front-direction movable door rollers 34 have a wheel support portion 341 and two sets of four wheels 342. Each of the two sets of four wheels 342 is formed in a disk shape that can rotate around a rotation axis extending in the front direction Y.

[0105] 11, the two sets of four wheels 342 are arranged in two sets in the forward direction Y, with the four wheels 342 aligned in the left-right direction X with the radial direction of the four wheels 342 coinciding with the left-right direction X. The four wheels 342 are arranged in a line in the direction in which the forward-direction movable door roller 34 travels. The two sets of four wheels 342 are formed in a disk shape that can rotate around a rotation axis that extends in the forward direction Y, and are thereby movable in the left-right direction X.

[0106] The wheel support part 341 supports two sets of four wheels 342. The wheel support part 341 is constructed as a single unit. The wheel support part 341 supports the two sets of four wheels 342 as a single unit so that the positional relationship between the wheels 342 does not change. The four wheels 342 are attached to the wheel support part 341 at predetermined intervals P (see FIG. 18).

[0107] The travel surface on which the two sets of four wheels 342 of the front-direction moving door roller 34 travel will be described. As shown in FIG. 12, on the right side X1 of the left-right direction X of the lower frame 12, a right-side slide rail plate 181 is fixed to the upper surface of the support frame 126a for front-direction movement of the lower support frame 126. On the left side X2 of the left-right direction X of the lower frame 12, a right-side slide rail plate 181 is fixed to the upper surface of the motor-side frame part 171 of the lower rotary cover part 17 on the motor-side frame part 17. As shown in FIG. 13, the right-side slide rail plate 181 and the left-side slide rail plate 183 are arranged in succession in the left-right direction X with a gap G between them. The front-direction moving door roller 34 can move in the left-right direction X with the upper surface of the right-side slide rail plate 181 and the upper surface of the left-side slide rail plate 183 as travel surfaces.

[0108] As shown in Fig. 15, the sliding screen 30 has the entire bottom frame 32 disposed inside the bottom frame 12. The bottom frame 32 is formed in a U-shape with an open top. The lower end of the glass panel body 33 is disposed in the open portion of the bottom frame 32.

[0109] An upper end 321 of the outdoor side Y1 of the lower frame 32 is disposed below the upper end of the outdoor side upper horizontal protrusion 123 of the lower frame 12. An upper end 322 of the indoor side Y2 of the lower frame 32 is disposed below the upper end of the indoor side fixed cover portion 125 of the lower frame 12.

[0110] As shown in Figure 15, on the outside side Y1 of the sliding screen 30 in the forward direction Y, the distance L2a between the glass panel body 33 of the sliding screen 30 and the bottom frame 12 is greater than the distance L2b between the bottom frame 32 and the bottom frame 12 (L2a > L2b).

[0111] Therefore, even if the sliding screen 30 moves to the outside Y1 in the projection direction Y when the airtight material 123b is not attached to the fitting portion 123a, the bottom frame 32 hits the bottom frame 12 first, thereby preventing the glass panel body 33 from hitting the bottom frame 12.

[0112] In this embodiment, since the airtight material 123b is attached to the fitting portion 123a, when the sliding screen 30 moves to the outside Y1 in the projection direction Y, the lower frame 32 hits the airtight material 123b first. The airtight material 123b functions as a restricting member that restricts the movement of the lower frame 32 in the projection direction Y.

[0113] Furthermore, on the indoor side Y2 of the forward direction Y of the sliding moving shoji screen 30, the distance L2c between the glass panel body 33 of the sliding moving shoji screen 30 and the bottom frame 12 is greater than the distance L2d between the bottom frame 32 and the outdoor side Y1 end 172a of the lid side frame portion 172 of the sliding side lower rotating lid portion 17 arranged on the bottom frame 12 (L2c>L2d).

[0114] Therefore, even if the sliding screen 30 moves to the indoor side Y2 in the forward direction Y, the bottom frame 32 hits the outdoor side Y1 end 172a of the lid side frame portion 172 of the sliding side lower rotating lid portion 17 arranged on the bottom frame 12 before the glass panel body 33 hits the bottom frame 12. In this embodiment, the lid side frame portion 172 of the sliding side lower rotating lid portion 17 arranged on the bottom frame 12 functions as a restricting member that restricts the movement of the bottom frame 32 in the forward direction Y.

[0115] The parallel side prospective direction movement mechanism 4 will be described. The parallel side prospective direction movement mechanism 4 supports and connects the parallel moving shoji screen 20 at two points on the upper end and two points on the lower end of the parallel moving shoji screen 20, and moves the parallel moving shoji screen 20 in the prospective direction Y. A total of four parallel side prospective direction movement mechanisms 4 are provided, two on each of the upper and lower sides of the parallel moving shoji screen 20. The parallel moving shoji screen 20 is supported by the four parallel side prospective direction movement mechanisms 4.

[0116] In this embodiment, of the four parallel side prospective direction movement mechanisms 4, the parallel side prospective direction movement mechanism 4 that supports the left part of the lower side of the parallel moving screen 20 will be described in detail. The other three parallel side prospective direction movement mechanisms 4 have different up-down and left-right orientations, but have the same basic structure. Therefore, the description of the parallel side prospective direction movement mechanism 4 described below can be used to describe the other three parallel side prospective direction movement mechanisms 4.

[0117] The parallel side forward direction movement mechanism 4 can move the parallel moving screen 20 only in the forward direction Y. The parallel side forward direction movement mechanism 4 can move the parallel moving screen 20 to the outside Y1 position shown in FIG. 4A and the inside Y2 position shown in FIG. 4B.

[0118] 16, the parallel side prospective direction movement mechanism 4 includes a base plate 41, a parallel movement motor 42 (drive unit), a universal joint shaft 43, a power conversion mechanism 44, a prospective direction movement shaft 45 (movement shaft), and a movement plate 46 on which a protruding pin member 47 (pin member) is formed. The parallel movement screen 20 and each of the four parallel side prospective direction movement mechanisms 4 are connected by an L-shaped connection portion 48 (connection portion).

[0119] The base plate 41 is formed in an L-shaped plate shape. The base plate 41 has an indoor side left-right extending plate 411 extending in the left-right direction X on the indoor side Y2 of the lower frame 12, and a front side extending plate 412 extending from an end of the left side X2 of the indoor side left-right extending plate 411 to the outdoor side Y1.

[0120] The parallel movement motor 42 is disposed at an end of the right side X1 in the left-right direction X of the indoor-side left-right extending plate 411 of the base plate 41. The parallel movement motor 42 has a motor body 421 and a motor shaft 422 that protrudes to the left side X2 from an end of the motor body 421 on the left side X2 in the left-right direction X. The motor shaft 422 extends in the left-right direction X. The motor shaft 422 is connected to a universal joint shaft 43.

[0121] The universal joint shaft 43 is connected to the motor shaft 422 of the parallel movement motor 42. The universal joint shaft 43 can change its orientation to a position slightly shifted in the forward-backward direction Y and in the up-down direction while maintaining its axial direction in the forward-backward direction X. In this embodiment, the universal joint shaft 43 extends in the forward-backward direction X in a side view while its orientation is changed to a position slightly shifted in the forward-backward direction Y.

[0122] The power conversion mechanism 44 converts the axial direction of a first gear 441 connected to the universal joint shaft 43 from the left-right direction X to a forward direction Y. The power conversion mechanism 44 has a first gear 441 and a second gear 442.

[0123] The first gear 441 is connected to an end of the left side X2 of the universal joint shaft 43, and is configured to be rotatable around an axis extending in the left-right direction X. A spiral gear that revolves around the axis extending in the left-right direction X is formed on the outer circumferential surface of the first gear 441.

[0124] The second gear 442 is configured to be rotatable about an axis extending in the prospective direction Y. On the outer circumferential surface of the second gear 442, a plurality of groove-shaped gears extending in the prospective direction Y are formed side by side in the circumferential direction around the axis extending in the prospective direction Y.

[0125] The grooved gear of the second gear 442 is connected in a meshed state with the spiral gear of the first gear 441. The power conversion mechanism 44 converts the power transmitted in the axial direction (left-right direction X) of the first gear 441 connected to the universal joint shaft 43 into the axial direction of the second gear 442 (forward direction Y).

[0126] The prospective direction movement shaft 45 is connected to the motor shaft 422 of the parallel movement motor 42 via the power conversion mechanism 44. The prospective direction movement shaft 45 extends in the prospective direction Y that is perpendicular to (intersects) the direction in which the motor shaft 422 of the parallel movement motor 42 extends.

[0127] The prospective direction moving shaft 45 is connected to the second gear 442 so that its axial direction coincides with the axial direction of the second gear 442. A moving plate 46 is connected midway in the axial direction (prospective direction Y) of the prospective direction moving shaft 45. The prospective direction moving shaft 45 has a feed screw mechanism that moves the moving plate 46 in the prospective direction Y.

[0128] The moving plate 46 is movable in the prospective direction Y along the axial direction of the prospective direction movement shaft 45. The prospective direction movement shaft 45 moves the moving plate 46 along the axial direction, thereby moving the parallel moving screen 20 connected to the moving plate 46 along the prospective direction Y. A protruding pin member 47 protrudes from the upper surface of the moving plate 46.

[0129] The protruding pin member 47 is formed in a cylindrical pin shape, and protrudes upward from the upper surface of the moving plate 46.

[0130] The L-shaped connector 48 connects the parallel moving screen 20 and the parallel side forward direction movement mechanism 4. The L-shaped connector 48 is formed in an L shape with the upper side on the outside side Y1 open, and has a horizontal member 481 extending in the forward direction Y and a vertical member 482 extending vertically.

[0131] The parallel movement shoji screen 20 is connected to the vertical member 482. The parallel side forward direction movement mechanism 4 is connected to the horizontal member 481.

[0132] The horizontal member 481 has a through hole 481a that penetrates in the up-down direction. The protruding pin member 47 of the moving plate 46 of the parallel side prospective direction moving mechanism 4 is inserted into the through hole 481a with a gap S1. The parallel side prospective direction moving mechanism 4 and the L-shaped connecting part 48 are connected with play. The play is formed by the gap S1 formed between the through hole 481a and the protruding pin member 47.

[0133] Gap S1 is constituted by a space formed in a ring shape from the outer peripheral surface of protruding pin member 47 to the inner peripheral edge of through hole 481a in the horizontal direction. Protruding pin member 47 is inserted into through hole 481a in a state in which it can move in either horizontal direction by the amount of gap S1.

[0134] The parallel side prospective direction movement mechanism 4 configured as above supports and moves the parallel moving shoji 20 at two points at the top end and two points at the bottom end of the parallel moving shoji 20. The parallel side prospective direction movement mechanism 4 is connected with play by providing a gap S1 between the protruding pin member 47 and the through hole 481a of the L-shaped connecting part 48 at each of the four points that support the parallel moving shoji 20. Therefore, even if there is an installation error of the motor or a manufacturing error of the motor, the error can be absorbed by the gap S1 between the protruding pin member 47 and the through hole 481a of the L-shaped connecting part 48, so that the parallel moving shoji 20 can be stably and smoothly moved in the prospective direction Y.

[0135] When the parallel moving screen 20 is in the closed position, the movement of the parallel moving screen 20 in the prospective direction Y is restricted by a parallel side prospective position restricting mechanism 8 (restricting member moving section) below the indoor side Y2 as shown in Fig. 17 to prevent the parallel moving screen 20 from falling toward the indoor side Y2. The parallel side prospective position restricting mechanism 8 is disposed closer to the right side X1 than the center of the bottom frame 12 in the left-right direction X as shown in Fig. 1.

[0136] As shown in Figures 3A, 3B and 17, the parallel side prospective position regulating mechanism 8 moves the regulating member 84 between a regulating position (see Figures 3A and 17) that regulates the movement of the parallel moving shoji 20 in the prospective direction, and a non-regulating position (see Figure 4A) that allows the movement of the parallel moving shoji 20 in the prospective direction.

[0137] 17, the parallel side prospective position regulating mechanism 8 includes a regulating member moving motor 81, a power conversion mechanism 82, a rotating shaft member 83, and a regulating member 84. The regulating member 84 regulates the movement of the parallel moving screen 20 in the prospective direction Y at the lower end of the parallel moving screen 20.

[0138] The restriction member moving motor 81 has a motor body 811 and a motor shaft 812 that protrudes to the left side X2 from an end of the motor body 811 on the left side X2 in the left-right direction X. The motor shaft 812 extends in the left-right direction X. The motor shaft 812 is connected to the power conversion mechanism 82.

[0139] The power conversion mechanism 82 converts the axial direction of a first gear 821 connected to a motor shaft 812 from the left-right direction X to a forward direction Y. The power conversion mechanism 82 has a first gear 821 and a second gear 822.

[0140] The first gear 821 is connected to an end of the left side X2 of the motor shaft 812 of the restriction member moving motor 81, and is configured to be rotatable about an axis extending in the left-right direction X. A helical gear that revolves about an axis extending in the left-right direction X is formed on the outer circumferential surface of the first gear 821.

[0141] The second gear 822 is configured to be rotatable about an axis extending in the prospective direction Y. On the outer circumferential surface of the second gear 822, a plurality of groove-shaped gears extending in the prospective direction Y are formed side by side in the circumferential direction around the axis extending in the prospective direction Y.

[0142] The grooved gear of the second gear 822 is connected in a state of meshing with the spiral gear of the first gear 821. The power conversion mechanism 82 converts the power transmitted in the axial direction (left-right direction X) of the first gear 821 connected to the motor shaft 812 of the restriction member moving motor 81 into the axial direction of the second gear 822 (forward direction Y).

[0143] The rotating shaft member 83 extends in the projection direction Y. The rotating shaft member 83 is connected to the second gear 822 so that its axial direction coincides with the axial direction of the second gear 822. A restricting member 84 is connected to an end of the rotating shaft member 83 on the indoor side Y2.

[0144] By rotating the rotary shaft member 83, the restricting member 84 rotates between a restricting position (see FIG. 3A) where it protrudes upward and restricts the movement of the parallel moving screen 20 toward the indoor side Y2, and a non-restricting position (see FIG. 4A) where it does not protrude upward and allows the parallel moving screen 20 to move toward the indoor side Y2. As a result, when the parallel moving screen 20 is positioned on the outdoor side Y1, the parallel side anticipated position restricting mechanism 8 restricts the movement of the parallel moving screen 20 toward the indoor side Y2 below the indoor side Y2 so that the parallel moving screen 20 does not fall to the indoor side Y2.

[0145] The slide-side sight direction movement mechanism 5 will be described. As shown in Fig. 1, the slide-side sight direction movement mechanism 5 is disposed in the upper frame 11. As shown in Fig. 1 and Fig. 5A, the slide-side sight direction movement mechanism 5 includes a pair of motors 501, a pair of pulleys 502, a rotating belt 503 stretched around the pair of pulleys 502, a connecting member 504, and a vibration prevention mechanism 505.

[0146] The motor 501 rotates the pulley 502. As shown in Fig. 1, the pulley 502 is disposed above the sliding screen 30, spaced apart in the left-right direction X, and rotates about a rotation axis extending in the up-down direction by the drive of the motor 501.

[0147] The rotating belt 503 is formed into a loop by an endless belt, and is stretched around a pair of pulleys 502 that are spaced apart in the left-right direction X. The rotating belt 503 rotates as the pulleys 502 rotate.

[0148] 5A, the connecting member 504 is connected to a lower portion of the rotating belt 503. The connecting member 504 has an L-shaped cross section and connects the L-shaped metal fitting 301 connected to the upper end of the sliding moving screen 30 to the rotating belt 503. By rotating the rotating belt 503 to move the connecting member 504 in the left-right direction X, the sliding moving screen 30 is moved in the left-right direction X.

[0149] The anti-sway mechanism 505 reduces the vibration of the sliding screen 30 in the forward direction Y. As shown in Fig. 5A, the anti-sway mechanism 505 has an anti-sway rail frame 505a, a roller member 505b, and a roller support member 505c.

[0150] The anti-vibration rail frame 505a has a cross-sectional shape that is U-shaped and opens upward, and extends in the left-right direction X in the range of the left-right direction X in which the rotating belt 503 is arranged.

[0151] The roller member 505b is formed of a disk-shaped roller member arranged so that the radial direction is approximately horizontal. The roller member 505b is arranged inside the anti-vibration rail frame 505a, and the diameter of the roller member 505b is formed to be approximately the same as the width of the inner side of the anti-vibration rail frame 505a. The roller member 505b is attached to the lower surface of the roller support member 505c so as to be rotatable around a rotation axis extending in the vertical direction.

[0152] The roller support member 505c has an L-shaped cross section, supports the roller member 505b, and is connected to the connecting member 504. When the sliding screen 30 and the connecting member 504 are moved in the left-right direction X in the front view direction, the roller support member 505c moves in the left-right direction X in the front view direction at the same time that the connecting member 504 moves in the left-right direction X.

[0153] In the sliding side sight direction movement mechanism 5 configured as above, the motor 501 rotates the pulley 502, thereby rotating the rotating belt 503. As a result, the sliding side sight direction movement mechanism 5 can move the sliding moving screen 30 in the left-right direction X via the connecting member 504.

[0154] In addition, the anti-sway mechanism 505 can reduce vibration in the forward direction Y when the sliding screen 30 is moved in the left-right direction X by the roller member 505b being guided by the anti-sway rail frame 505a.

[0155] By moving the sliding screen 30 in the left-right direction X using the sliding side sight direction movement mechanism 5, the sight direction movement door roller 34 of the sliding screen 30 moves and runs along the boundary between a sliding right side rail plate 181 arranged on the right side X1 of the left-right direction X and a sliding left side rail plate 183 arranged on the left side X2 of the left-right direction X.

[0156] In this embodiment, the wheels 342 of the front-direction moving door roller 34 that moves on the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 are configured by arranging two sets of four wheels 342 side by side in the left-right direction X in which the front-direction moving door roller 34 runs, in the front-direction Y, as shown in Fig. 11. Four of the two sets of four wheels 342 are integrally fixed to the wheel support part 341 so as to be rotatable so that the state of being arranged in a straight line does not change. When the front-direction moving door roller 34 is tilted as a whole, the four wheels 342 tilt as a whole together with the wheel support part 341.

[0157] In this embodiment, as shown in FIG. 13 , a sliding right rail plate 181 on the right side X1 in the left-right direction X and a sliding left rail plate 183 on the left side X2 in the left-right direction X are arranged side by side in the left-right direction X with a gap G provided between the sliding right rail plate 181 and the sliding left rail plate 183 at their boundary.

[0158] 18, the gap G is formed at a distance that allows the front-direction movable door roller 34 to pass through without falling. The gap G is formed at least such that the sliding right rail plate 181 and the sliding left rail plate 183 are spaced apart from each other, and is formed at a distance smaller than the diameter R of the wheel 342.

[0159] The sliding right rail plate 181 and the sliding left rail plate 183 are formed of plate-shaped members. The upper surface of the sliding right rail plate 181 and the upper surface of the sliding left rail plate 183 form a running surface on which the wheels 342 of the front-direction movable door roller 34 run.

[0160] 13, the lower surface of the sliding right rail plate 181 is supported by the support frame 126a for movement in the front direction of the lower support frame 126. The end side of the sliding right rail plate 181 on the side of the sliding left rail plate 183 is formed to protrude from the support frame 126a for movement in the front direction of the lower support frame 126 toward the sliding left rail plate 183, and is configured as a free end.

[0161] A space K1 is provided below the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183. Therefore, when a load is applied to the end of the sliding right rail plate 181, the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183 bends toward the space K1 on the lower side.

[0162] 18, the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 is formed with a bent portion 181a that bends downward and an extending portion 181b that extends downward from the lower end of the bent portion 181a. The bent portion 181a is formed in a curved shape having a radius (a radius shape). The bent portion 181a may be formed in an inclined shape having a radius.

[0163] The right sliding rail plate 181 is formed of, for example, a stainless steel plate. The end of the right sliding rail plate 181 is formed as a free end and has elastic repulsive force. By providing the space K1 below, the end side of the right sliding rail plate 181 that is not supported from below can bend due to a load from above, and when the load from above is removed, a force acts to return it to its original shape.

[0164] 13, the lower surface of the sliding left rail plate 183 is supported by the motor side frame part 171 of the sliding side lower rotating lid part 17. The end side of the sliding left rail plate 183 on the sliding right rail plate 181 side is formed to protrude from the motor side frame part 171 of the sliding side lower rotating lid part 17 toward the sliding right rail plate 181 side and is configured as a free end.

[0165] A space K2 is provided below the end of the sliding left rail plate 183 on the side of the sliding right rail plate 181. Therefore, when a load is applied to the end of the sliding left rail plate 183, the end of the sliding left rail plate 183 on the side of the sliding right rail plate 181 bends toward the space K2 on the downward side.

[0166] Here, as shown in FIG. 18, it is preferable that the distance D from the end 126c on the lower support frame 126 side in the space K1 below the end of the gap G side of the sliding right rail plate 181 to the end 171b on the motor side frame portion 171 side in the space K2 below the end of the gap G side of the sliding left rail plate 183 is larger than the spacing P between adjacent wheels 342 (D>P).

[0167] This is because if the two wheels 342 of the front-direction movable door roller 34 are placed on the free end of the sliding right rail plate 181 and the free end of the sliding left rail plate 183 at the same time, the load of the two wheels 342 will act on the free end of the sliding right rail plate 181 and the free end of the sliding left rail plate 183 at the same time, making it difficult to run the front-direction movable door roller 34 stably.

[0168] 18, the end of the left sliding rail plate 183 on the side of the right sliding rail plate 181 is formed with a bent portion 183a that bends downward and an extending portion 183b that extends downward from the lower end of the bent portion 183a. The bent portion 183a is formed in a curved shape having a radius (a radius shape). The bent portion 183a may be formed in an inclined shape having a radius.

[0169] The left sliding rail plate 183 is formed of, for example, a stainless steel plate. The end of the left sliding rail plate 183 is formed as a free end and has elastic repulsive force. By providing the space K2 below, the end side of the left sliding rail plate 183 that is not supported from below can bend due to a load from above, and when the load from above is removed, a force acts to return it to its original shape.

[0170] In the above-mentioned sliding right rail plate 181 and sliding left rail plate 183, when the wheel 342 of the forward-direction movable door roller 34 passes through the gap G at the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, the end of the sliding right rail plate 181 facing the sliding left rail plate 183 is configured as a free end, and the end of the sliding left rail plate 183 facing the sliding right rail plate 181 is configured as a free end, so that it bends downward and can absorb noise caused by the step.

[0171] Next, a description will be given of the operation of the front-direction movable door roller 34 when passing through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183. In this embodiment, as shown in Fig. 18, in the case where the sliding right rail plate 181 has a step disposed at a position higher by a height H1 than the sliding left rail plate 183, the operation of the front-direction movable door roller 34 will be described in terms of the operation when moving from the sliding left rail plate 183 side to the sliding right rail plate 181 side and the operation when moving from the sliding right rail plate 181 side to the sliding left rail plate 183 side.

[0172] The height H1 of the step between the sliding right rail plate 181 and the sliding left rail plate 183 is preferably as close to 0 (zero) as possible. However, in consideration of design errors such as manufacturing errors and installation errors of members, it is preferable to design the step including the design error so that the step height H1 is within a range in which the wheel 342 does not get caught when going over the step. The height H1 of the step between the sliding right rail plate 181 and the sliding left rail plate 183 is preferably smaller than 10% of the diameter R of the wheel 342 (R×10%>H1), for example, as a range in which the wheel 342 does not get caught when going over the step.

[0173] First, the operation of the front-direction moving door roller 34 moving from the sliding left rail plate 183 side to the sliding right rail plate 181 side will be described. In the diagram shown in the upper part of Fig. 18, when the front-direction moving door roller 34 moves from the sliding left rail plate 183 side to the sliding right rail plate 181 side, the leading wheel 342 in the moving direction among the four wheels 342 of the front-direction moving door roller 34 moves horizontally while floating from the end of the sliding left rail plate 183 in the gap G, and the three wheels 342 behind the leading wheel 342 are supported by the sliding left rail plate 183, so that it moves in this state until it hits the end of the sliding right rail plate 181.

[0174] When the forward-direction movable door roller 34 moves toward the sliding right rail plate 181 from the state shown in the upper diagram of Figure 18, a space K1 is formed below the end side of the sliding right rail plate 181 on the sliding left rail plate 183 side, as shown in the middle diagram of Figure 18, so that the leading wheel 342 bends the end side of the sliding right rail plate 181 on the sliding left rail plate 183 side downward while pressing downward.

[0175] As a result, the end side of the sliding right rail plate 181 can bend downward due to the space K1, thereby releasing the load of the sliding moving screen 30. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0176] In addition, the bent portion 181a is formed in an arc shape or an inclined shape. Therefore, the wheel 342 moves while hitting the bent portion 181a of the right sliding rail plate 181, so that the wheel 342 can be smoothly guided and the noise can be reduced.

[0177] As the find-direction movable door roller 34 advances toward the sliding right rail plate 181 from the state shown in the middle diagram of Fig. 18, the leading wheel 342 rides up onto the portion of the sliding right rail plate 181 that is supported from below, and the end of the sliding right rail plate 181 on the sliding left rail plate 183 side returns to its original state where it is not pressed. Here, as shown in the bottom diagram of Fig. 18, the find-direction movable door roller 34 runs with the leading wheel 342 in contact with the upper surface of the sliding right rail plate 181 and the fourth wheel 342 from the front in contact with the upper surface of the sliding left rail plate 183.

[0178] Next, as the facing direction movable door roller 34 moves in the forward direction, as shown in the upper diagram of Figure 19, the second wheel 342 from the front presses downward on the end of the sliding right side rail plate 181 on the side of the sliding left side rail plate 183, thereby bending it downward.

[0179] In this state, when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the second wheel 342 from the front approaches the gap G, the front wheel 342 and the fourth wheel 342 from the front receive the load, so the load is unlikely to be applied to the wheel 342 that has reached the gap G. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0180] As the front-direction movable door roller 34 advances in the travel direction from the state shown in the upper diagram of Fig. 19, the third wheel 342 from the front bends the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183 downward while pressing downward, as shown in the middle diagram of Fig. 19. Here, the front-direction movable door roller 34 runs with the third wheel 342 from the front in contact with the upper surface of the sliding right rail plate 181 and the fourth wheel 342 from the front in contact with the upper surface of the sliding left rail plate 183.

[0181] In this state, when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the third wheel 342 from the front approaches the gap G, the second wheel 342 from the front and the fourth wheel 342 receive the load, so the wheel 342 that has reached the gap G is unlikely to receive the load. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0182] As the front-direction moving door roller 34 advances in the travel direction from the state shown in the middle diagram of Fig. 19, the load on the tip side of the front-direction moving door roller 34 increases as shown in the bottom diagram of Fig. 19, the front-direction moving door roller 34 becomes horizontal, and the front-direction moving door roller 34 travels with the first three wheels 342 in contact with the top surface of the sliding right rail plate 181. Then, as the front-direction moving door roller 34 advances further in the travel direction, the front-direction moving door roller 34 can pass through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0183] Next, an operation of the front-direction moving door roller 34 when moving from the sliding right rail plate 181 side to the sliding left rail plate 183 side will be described. In the upper view of Fig. 20, when the front-direction moving door roller 34 moves from the sliding right rail plate 181 side to the sliding left rail plate 183 side, the four wheels 342 are supported integrally by the wheel support portion 341, and the load on the tip side of the front-direction moving door roller 34 is not large, so that it moves in a horizontal state from the state shown in the upper view of Fig. 20 to a state in which the first wheel 342 and the second wheel 342 from the front are raised, as shown in the middle view of Fig. 20.

[0184] As shown in the lower part of Figure 20, when the third wheel 342 from the front passes over the end of the sliding right side rail plate 181 on the side of the sliding left side rail plate 183, the load acting on the side of the front wheel 342 increases, and the third wheel 342 from the front presses downward on the end of the sliding right side rail plate 181 on the side of the sliding left side rail plate 183, bending it downward, so that the fourth wheel 342 from the front comes into contact with the upper surface of the sliding right side rail plate 181.

[0185] In this state, when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the third wheel 342 from the front approaches the gap G, the front wheel 342 and the fourth wheel 342 receive the load, so the load is unlikely to be applied to the wheel 342 that has reached the gap G. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0186] As the forward-direction movable door roller 34 moves from the state shown in the lower diagram of Figure 20 toward the left sliding rail plate 183, the third wheel 342 from the front becomes floating, as shown in the upper diagram of Figure 21, and the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 returns to its original state where it is not pressed.

[0187] As the forward-direction movable door roller 34 moves toward the left sliding rail plate 183 from the state shown in the upper diagram of Figure 21, the fourth wheel 342 from the front presses downward the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183, bending it downward, as shown in the middle diagram of Figure 21.

[0188] 21, the forward-direction movable door roller 34 advances toward the sliding left rail plate 183, causing the fourth wheel 342 from the front to pass through the gap G and move toward the sliding right rail plate 181. Here, the fourth wheel 342 from the front moves toward the sliding right rail plate 181 while returning the end of the sliding left rail plate 183 side of the sliding right rail plate 181 to its original state from the state in which it was bent downward by pressing downward.

[0189] The configuration of the first embodiment described above provides the following effects: The panoramic window 1 of this embodiment includes a sliding screen 30 equipped with a front-direction moving door roller 34, and a bottom frame 12 along which the front-direction moving door roller 34 runs, and the bottom frame 12 includes a right-side sliding rail plate 181 and a left-side sliding rail plate 183 that are arranged side by side with a gap G therebetween within the range along which the front-direction moving door roller 34 runs, and the front-direction moving door roller 34 has three or more wheels 342 arranged side by side in the direction along which the front-direction moving door roller 34 runs.

[0190] As a result, even if one wheel 342 approaches the gap G when passing through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, the other two wheels 342 receive the load, so the load is unlikely to be applied to the wheel 342 that has approached the gap G. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

[0191] In this embodiment, spaces K1 and K2 are provided below the ends of the sliding right rail plate 181 and the sliding left rail plate 183 on the gap G side. Therefore, the ends of the sliding right rail plate 181 and the sliding left rail plate 183 can bend downward due to the spaces K1 and K2, thereby releasing the load of the sliding moving screen 30. Therefore, the noise generated when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 can be further reduced.

[0192] In this embodiment, the ends of the right sliding rail plate 181 and the left sliding rail plate 183 on the gap G side are formed with bent portions 181a and 183a that bend downward, and the bent portions 181a and 183a are formed in an arc shape or an inclined shape. Therefore, the wheel 342 moves while hitting the bent portions 181a and 183a of the adjacent rail plate 181 for sliding and the rail plate 183 for sliding that is further forward in the traveling direction, so that the wheel 342 can be smoothly guided to the adjacent rail plate 181 for sliding and the rail plate 183 for sliding that is further forward in the traveling direction, and noise can be reduced.

[0193] A second embodiment will be described. In the second embodiment, differences from the first embodiment will be mainly described. In the second embodiment, the same or equivalent configurations as those in the first embodiment will be described with the same reference numerals, and duplicated descriptions will be omitted as appropriate.

[0194] The second embodiment includes a slide-side lower opening / closing mechanism 9A as shown in FIG. 22, instead of the slide-side lower opening / closing mechanism 9 of the first embodiment shown in FIG.

[0195] As shown in FIG. 22, the sliding side lower opening and closing mechanism 9A includes a base plate 981, a sliding side lower opening and closing motor 982, a universal joint shaft 983, a lid rotating shaft 984, and a rotating plate 985.

[0196] The base plate 981 is disposed on the outdoor side Y1 of the lower frame 12, and is formed in a flat plate shape extending in the left-right direction X.

[0197] The sliding-side lower opening / closing motor 982 is disposed at an end of the left side X2 in the left-right direction X of the base plate 981. The sliding-side lower opening / closing motor 982 has a motor body 982a and a motor shaft 982b protruding to the right side X1 from an end of the motor body 982a on the right side X1 in the left-right direction X. The motor shaft 982b extends in the left-right direction X. The motor shaft 982b is connected to a universal joint shaft 983.

[0198] The universal joint shaft 983 is connected to a motor shaft 982b of the motor 982 for opening and closing the lower part of the sliding side, and extends in the left-right direction X in a plan view with its orientation changed to a position slightly shifted upward from below. The universal joint shaft 983 can change its orientation to a position slightly shifted in the prospective direction Y and in the up-down direction while maintaining its axial direction in the left-right direction X.

[0199] The cover rotation shaft 984 extends in the left-right direction X. The cover rotation shaft 984 is connected to the universal joint shaft 983 so that the axial direction of the cover rotation shaft 984 coincides with the axial direction of the end of the universal joint shaft 983 on the right side X1 in the left-right direction X. A rotation plate 985 is connected to the axial end of the cover rotation shaft 984. The rotation plate 985 is connected to the end face of the right side X1 in the left-right direction X of the slide-side lower rotating cover 17. By rotating the rotation plate 985 around the axis of the cover rotation shaft 984, the slide-side lower rotating cover 17 connected to the rotation plate 985 can be rotated.

[0200] In the above-described sliding side lower opening / closing mechanism 9A, the sliding side lower opening / closing motor 982, the universal joint shaft 983, and the lid rotating shaft 984 are arranged in a straight line in the left-right direction X in a plan view. The sliding side lower opening / closing motor 982 is provided on the end side of the left side X2 in the left-right direction within the lower frame 12 below the running line that extends in the direction in which the sliding moving screen 30 runs, avoiding the portion where the front-direction moving door roller 34 of the sliding moving screen 30 runs.

[0201] Therefore, the sliding-side lower opening / closing motor 982 can be arranged along the left-right direction X of the lower frame 12, thereby reducing the width and vertical dimensions of the lower frame 12. This allows the lower frame 12 to be made compact.

[0202] A third embodiment will be described. In the third embodiment, differences from the first embodiment will be mainly described. In the third embodiment, the same or equivalent configurations as those in the first embodiment will be described with the same reference numerals, and duplicated descriptions will be omitted as appropriate.

[0203] The third embodiment includes a parallel side forward direction movement mechanism 4A (drive mechanism) shown in FIGS. 23 to 25, instead of the parallel side forward direction movement mechanism 4 (drive mechanism) shown in FIGS. 4A and 16 of the first embodiment.

[0204] As shown in Figures 23 and 24, the parallel side forward direction movement mechanism 4A comprises a base plate 51, a parallel movement motor 52 (drive unit), a connecting shaft 53, a power conversion mechanism 54, a forward direction movement shaft 55 (moving shaft), a moving plate 56 having a pair of laterally protruding pin members 57 (pin members) formed thereon, and an indoor side position detection unit 59.

[0205] 23, at the lower end of the parallel moving screen 20, the parallel moving screen 20 and each of the two parallel side forward direction movement mechanisms 4A are connected by a U-shaped connector 58 (connector). At the upper end of the parallel moving screen 20, the parallel moving screen 20 and each of the two parallel side forward direction movement mechanisms 4A are connected by an L-shaped connector 585 (connector) and a U-shaped connector 58 (connector).

[0206] The base plate 51 is formed into an L-shaped plate as shown in Fig. 24. The base plate 51 has an indoor side left-right extending plate 511 extending in the left-right direction X on the indoor side Y2 of the lower frame 12, and a front side extending plate 512 extending from an end of the left side X2 of the indoor side left-right extending plate 511 to the outdoor side Y1.

[0207] The parallel movement motor 52 is disposed on the right side X1 in the left-right direction X of the indoor-side left-right extending plate 511 of the base plate 51. The parallel movement motor 52 has a motor body 521 and a motor shaft (not shown) that protrudes to the left side X2 from an end of the motor body 521 on the left side X2 in the left-right direction X. The motor shaft is connected to a connecting shaft 53. The connecting shaft 53 extends in the left-right direction X.

[0208] The power conversion mechanism 54 converts the axial direction of a first gear 541 connected to the connecting shaft 53 from the left-right direction X to the forward direction Y. Since the power conversion mechanism 54 has a similar configuration to the power conversion mechanism 44 of the first embodiment, the corresponding reference numerals are used and the description thereof will be omitted.

[0209] The prospective direction movement shaft 55 is connected to the parallel movement motor 52 via the power conversion mechanism 54. The prospective direction movement shaft 55 extends in a prospective direction Y that is perpendicular to (intersects with) the direction in which the motor shaft of the parallel movement motor 52 extends.

[0210] The prospective direction moving shaft 55 is connected to the second gear 542 so that its axial direction coincides with the axial direction of the second gear 542. A moving plate 56 is connected midway in the axial direction (prospective direction Y) of the prospective direction moving shaft 55. The prospective direction moving shaft 55 has a feed screw mechanism that moves the moving plate 56 in the prospective direction Y.

[0211] The moving plate 56 is movable in the prospective direction Y along the axial direction of the prospective direction moving shaft 55. The prospective direction moving shaft 55 moves the moving plate 56 along the axial direction, thereby moving the parallel moving screen 20 connected to the moving plate 56 along the prospective direction Y. As shown in Figs. 24 and 25, a pair of lateral protruding pin members 57 protrude from both side surfaces of the moving plate 56 in the left-right direction X.

[0212] The laterally protruding pin member 57 is formed in a cylindrical pin shape and protrudes outward in the left-right direction X from the side surface of the moving plate 56 in the left-right direction X at the same height as the axis of the forward direction moving shaft 55.

[0213] As shown in Figures 24 and 25, the U-shaped connecting portion 58 has a U-shaped support portion 581 that opens downward, and a vertical member 584 that extends upward from the end of the upper surface of the U-shaped support portion 581 on the indoor side Y2 in the forward direction Y.

[0214] The parallel movement screen 20 is connected to the vertical member 584. The parallel side front direction movement mechanism 4A is connected to the U-shaped support portion 581.

[0215] The U-shaped support portion 581 has a horizontal plate portion 582 and a pair of side plate portions 583. The horizontal plate portion 582 extends from a lower end portion of the vertical member 584 toward the exterior side Y1 in the projection direction Y. The pair of side plate portions 583 extend downward from both ends of the horizontal plate portion 582 in the left-right direction, respectively.

[0216] As shown in Figs. 23 to 25, each of the pair of side plate parts 583 is formed with a pin guide slit 583a (through hole) that extends in the up-down direction and opens downward. The pin guide slit 583a penetrates the side plate part 583 in the left-right direction X. The laterally protruding pin member 57 of the moving plate 56 of the parallel side prospective direction movement mechanism 4A is inserted into the pin guide slit 583a with a gap S2. The parallel side prospective direction movement mechanism 4A and the U-shaped connecting part 58 are connected with play. The play is formed by the gap S2 formed between the pin guide slit 583a and the laterally protruding pin member 57.

[0217] The gap S2 is formed between the pin guide slit 583a and the laterally protruding pin member 57 in the projection direction Y. In the projection direction Y, the laterally protruding pin member 57 is movable by the amount of the gap S2. In the vertical direction, the laterally protruding pin member 57 is movable within the range of the pin guide slit 583a extending in the vertical direction.

[0218] An L-shaped plate 583b is attached to the side surface of the left side X2 in the left-right direction X of the pair of side plate portions 583. When the horizontal plate 583c of the L-shaped plate 583b is placed in the slit of the indoor position detection unit 59, the indoor position detection unit 59 detects that the parallel moving shoji screen 20 is positioned at the indoor side Y2 position.

[0219] The parallel side prospective direction movement mechanism 4A configured as above supports and moves the parallel moving shoji 20 at two points at the upper end and two points at the lower end of the parallel moving shoji 20. The parallel side prospective direction movement mechanism 4A is connected with play by providing a gap S2 between the pair of side protruding pin members 57 and the pin guide slit 583a of the U-shaped connecting part 58 at each of the four points that support the parallel moving shoji 20. Therefore, even if there is an installation error of the motor or a manufacturing error of the motor, the error can be absorbed by the gap S2 between the side protruding pin member 57 and the pin guide slit 583a of the U-shaped connecting part 58, so that the parallel moving shoji 20 can be stably and smoothly moved in the prospective direction Y.

[0220] In addition, since the axis of the prospective direction moving shaft 55 and the side protruding pin member 57 are located at the same height, the U-shaped connecting portion 58 can connect the pair of side protruding pin members 57 from both sides of the prospective direction moving shaft 55 at the same height as the axis of the prospective direction moving shaft 55. As a result, even if there is some deviation in speed at the two upper ends and two lower ends of the parallel moving screen 20, the force that tilts the moving plate 56 is suppressed, and the moving plate 56 is suppressed from getting caught in the feed screw mechanism of the prospective direction moving shaft 55. Therefore, the parallel moving screen 20 can be stably and smoothly moved in the prospective direction Y.

[0221] Although the preferred embodiments of the present disclosure have been described above, the present disclosure is not limited to the above-described embodiments and modifications, and can be modified as appropriate.

[0222] For example, in the above embodiment, the opening / closing mechanism and the drive mechanism for the opening portion of the sliding screen or the parallel screen are used in a panoramic window, but the present invention is not limited to this. For example, the present invention can be applied to a sliding window or the like.

[0223] In the above embodiment, a mechanism is used to rotate the sash roller running surface and the floor forming surface as a unit, but this is not limited to this. The sash roller running surface may be, for example, a sliding type configured by sliding from the prospective direction Y in the lower frame, or may be configured to be formed by a lifting mechanism in the lower frame.

[0224] In the above embodiment, the parallel side prospective position regulating mechanism 8 is configured to regulate the movement of the parallel moving screen 20 in the prospective direction Y, but is not limited thereto. The prospective position regulating mechanism may be configured to regulate the movement of the sliding moving screen 30 in the prospective direction Y.

[0225] In the above embodiment, the parallel side forward direction movement mechanism 4 (drive mechanism) and the connecting portion 48 are connected with a play, but the present invention is not limited to this. The shoji screen 20 and the connecting portion 48 may be connected with a play.

[0226] In the above embodiment, the door roller passes through the boundary between the multiple rails arranged in a row, but the present invention is not limited to this. The door roller may pass through the boundary between the multiple rails arranged in a row.

[0227] In the above embodiment, the wheels 342 of the front-direction movable door roller 34 are configured by four wheels arranged side by side in the left-right direction X, but are not limited to this. The wheels 342 of the front-direction movable door roller 34 may be configured by three wheels arranged side by side, or may be configured by four or more wheels arranged side by side. [Explanation of symbols]

[0228] 1 Panoramic window (door), 12 Bottom frame (horizontal frame), 30 Sliding sliding screen (shoji), 34 Front-facing moving door roller (door roller), 342 Wheel, 181 Right side rail plate for sliding (rail), 183 Left side rail plate for sliding (rail), G Gap, K1 Space, K2 Space

Claims

1. A shoji screen equipped with a roller or a hanging roller; A horizontal frame along which the door roller or the hoist runs is provided, The horizontal frame has a plurality of rails arranged in a row with gaps in between in the range in which the door roller or the hoist travels, The door roller or the hoist has three or more wheels arranged in a line in the direction in which the door roller or the hoist runs, At least one of the adjacent rails among the plurality of rails has a space provided below the end side on the gap side.

2. A shoji screen equipped with a roller or a hanging roller; A horizontal frame along which the door roller or the hoist runs is provided, The horizontal frame has a plurality of rails arranged in a row with gaps in between in the range in which the door roller or the hoist travels, The door roller or the hoist has three or more wheels arranged in a line in the direction in which the door roller or the hoist runs, At least one of the adjacent rails among the plurality of rails is formed so that an end side of the gap side is bent downward, The shape of the downwardly curved portion of the fitting is formed into a curved shape having a radius or a sloped shape having a slope.

Images