Lattice fence

Abstract

To provide a lattice fence capable of blocking external lines of sight as necessary, while ensuring that a user's view to the outside is maintained.SOLUTION: A lattice fence 10 can take an open state and a shielding state. Fixed lattice fence sections 20 are arranged at intervals along the width direction. The fixed lattice fence sections 20 have a plurality of fixed panels 21 that do not move in the open and shielding states. Movable lattice fence sections 30 are arranged at intervals along the width direction. The movable lattice fence sections 30 have a plurality of movable panels 31 that move in the open and shielding states. A panel moving mechanism 40 is configured such that, in transitioning from the open state to the shielding state, or from the shielding state to the open state, it can move the movable panels 31 while maintaining the spacing between the movable panels 31.SELECTED DRAWING: Figure 2B

Description

Technical Field

[0001] The present invention relates to a lattice fence.

Background Art

[0002] Conventionally, a lattice fence as a fence may be installed to surround a garden or a house. A lattice fence is formed by arranging thin square bars with spaces between them vertically and horizontally, or in either one of these directions. By installing a lattice fence, the view from the outside can be restricted. Further, an example of a lattice fence is described in each of the following patent documents.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Patent Document 3

Patent Document 4

Patent Document 5

Patent Document 6

Patent Document 7

Patent Document 8

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in the fence according to the background art, there is room for improvement from the viewpoint of more effectively restricting the view from the outside.

[0005] For example, the lattice fence according to the background art is composed of a plurality of panels arranged at a predetermined interval, and gaps are formed between the panels. Due to the existence of the gaps, the line of sight from the inside to the outside is ensured by the gaps, and the user can obtain a sense of openness. On the other hand, since the panel has a predetermined thickness, it can block the line of sight along the direction inclined with respect to the lattice fence.

[0006] However, since the line of sight along the direction orthogonal to the lattice fence passes through the gaps between the panels, it is difficult to block. As a result, privacy cannot be ensured, and there is a risk that the crime prevention performance will decrease. As a countermeasure, if another panel is provided to close the gap, while the line of sight from the outside through the gap can be blocked, the line of sight from the inside to the outside may also be blocked by the panel, and there is a risk that the user's sense of openness will be impaired.

[0007] In addition, the commercially available lattice fence has its outer periphery surrounded by a frame. For this reason, when the size of the lattice fence becomes large, there are problems that the manufacturing cost becomes high during manufacturing and the usability becomes poor during use.

[0008] Furthermore, in the fence according to the background art, since the fixed lattice and the movable lattice are attached via a support member, a distance corresponding to the thickness of the support member is formed between the fixed lattice and the movable lattice, and there is a problem that a gap corresponding to this distance is formed when in the shielding state.

[0009] The present invention has been made in view of such problems, and an object of the present invention is to provide a lattice fence that can block the line of sight from the outside front as needed while ensuring the user's line of sight to the outside.

Means for Solving the Problems

[0010] The grid fence according to the embodiment of the present invention includes a fixed grid fence fixed to the installation surface, a movable grid fence configured to be displaceable with respect to the fixed grid fence, and a panel moving mechanism for moving the movable grid fence along the width direction. The gap of the fixed grid fence can be in an open state not covered by the movable grid fence and a shielded state covered by the movable grid fence. The fixed grid fence has a plurality of fixed panels arranged at intervals along the width direction and not moving in the open state and the shielded state. The movable grid fence has a plurality of movable panels arranged at intervals along the width direction and moving in the open state and the shielded state. The panel moving mechanism is configured to be able to move the movable panels while maintaining the interval between the movable panels.

Effect of the Invention

[0011] According to the grid fence of the present invention, the open state and the shielded state can be easily switched by rotating the movable panel by operating the movable panel connecting portion. Furthermore, according to the present invention, since one end of the fixed grid and one end of the movable grid are directly joined through a hinge, a slit, or the like, the above-described gap cannot be formed, and a substantially complete shielded state can be created.

Brief Description of the Drawings

[0012]

Figure 1

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Figure 19B

[0013] An embodiment of the present invention will be described in detail below with reference to the drawings. In the following description, the structure of the lattice fence 10 will be described using each direction, such as outside, inside, left and right, and up and down. Here, the outside refers to the direction facing outward from the site 12 with reference to FIG. 1. The inside refers to the side opposite the outside. The left and right refer to the left and right when the lattice fence 10 is viewed from the inside. In the following description, the same components are generally given the same reference numerals, and repeated description will be omitted. In this embodiment, the lattice fence 10 is exemplified as the fence.

[0014] FIG. 1 is a plan view showing a site or the like provided with a lattice fence 10. Here, a site 12 on which a house 13 is built is shown. The house 13 is built inside the site 12, and the lattice fence 10 is installed on a part of the outer edge of the site 12. The lattice fence 10 is installed on an installation surface 11 which is an end of the site 12. By shielding the lattice fence 10, the line of sight facing the house 13 from the outside can be blocked, thereby ensuring the privacy of the user living in the house 13 and improving the security of the site 12 and the house 13. Further, as will be described later, by opening the lattice fence 10 by the operation of the user, the external scenery can be viewed through the lattice fence 10, and a certain sense of openness can be obtained. As the material of the lattice fence 10, metals such as wood, synthetic resin, iron, or composite materials thereof can be adopted.

[0015] With reference to FIGS. 2A to 3C, the configuration and the like of the lattice fence 10 according to the first embodiment will be described.

[0016] FIG. 2A is a perspective view showing the open state of the lattice fence 10 according to the first embodiment. FIG. 2B is a front view showing the open state of the lattice fence 10 according to the first embodiment. FIG. 2C is a top view showing the open state of the lattice fence 10 according to the first embodiment.

[0017] As described above, the lattice fence 10 can be in an open state and a shielded state. The open state is a state in which the gap 25 between the fixed panels 21 is not covered by the movable lattice fence 30. The shielded state is a state in which the gap 25 between the fixed panels 21 is covered by the movable lattice fence 30. FIGS. 2A and the like show the open state of the lattice fence 10.

[0018] The lattice fence 10 has a fixed lattice fence 20, a movable lattice fence 30, and a panel movement mechanism 40. The lattice fence 10 is installed on the installation surface 11 of the site 12 described above, blocks the view from the outside in the shielded state, and ensures a good view from the inside in the open state. The lattice fence 10 is, for example, a picket fence. By attaching the fixed lattice fence 20 and the movable lattice fence 30 to the picket fence 10 which is a picket fence, the privacy and security of the picket fence 10 which is a picket fence can be improved.

[0019] The fixed grid 20 has a plurality of fixed panels 21 that are spaced apart along the width direction. The fixed grid 20 has a plurality of fixed panels 21 arranged along the left - right direction that do not move in the open state and the shielded state. The fixed panel 21 is a plate having a longitudinal direction along the up - down direction. The fixed panels 21 are spaced at substantially equal intervals, and a gap 25 is formed between the fixed panels 21. The fixed panels 21 are connected by a fixed - panel connecting portion 26. The fixed - panel connecting portion 26 is a long member extending along the left - right direction. Two fixed - panel connecting portions 26 are arranged near the upper end portion and the lower end portion of the fixed panel 21. The fixed - panel connecting portion 26 is fixed to the inner surface of the fixed panel 21. For the connection between the fixed - panel connecting portion 26 and the fixed panel 21, a connection structure using nails, bolts, adhesives, etc. can be adopted. Such a connection structure is the same for the connection points of other members. By connecting the plurality of fixed panels 21 by the fixed - panel connecting portion 26, the fixed grid 20 having a substantially plate - like shape as a whole is assembled. Columns 23 are arranged at both ends of the fixed grid 20 in the left - right direction. The column 23, like the fixed panel 21, has its middle portion supported by the fixed - panel connecting portion 26. Also, the column 23 extends downward more than the fixed panel 21. Therefore, by embedding the vicinity of the lower end portions of the columns 23 arranged at both ends of the fixed grid 20 into the installation surface 11 of the site 12 shown in FIG. 1, the grid 10 including the fixed grid 20 can be fixed to the installation surface 11.

[0020] The movable grid 30 has movable panels 31 that are spaced apart along the width direction. The movable grid 30 has a plurality of movable panels 31 that move in the open state and the shielded state. The movable grid 30 is a grid configured to be displaceable along the left - right direction with respect to the fixed grid 20. The movable grid 30 is a shielding member that closes the gap 25 as needed. The movable grid 30 mainly includes a movable panel 31 and a movable - panel connecting portion 32.

[0021] A plurality of movable panels 31 are arranged in the left - right direction at a predetermined interval and are plates having a longitudinal direction along the up - down direction. As the material of the movable grating 30, an opaque material that does not allow visible light to pass through can be adopted, or a translucent material that partially allows visible light to pass through can also be adopted. By adopting a translucent material for the movable grating 30, even when the grating 10 is in a shielded state, light can be collected from the outside.

[0022] The movable panel connecting part 32 extends along the lateral direction so as to connect the movable panels 31 to each other. The movable panel connecting part 32 is a member that connects near the upper end of each movable panel 31. The movable panel connecting part 32 is a plate - shaped member having a longitudinal direction along the left - right direction. Here, the movable panel connecting part 32 is installed on the outer surface of the movable panel 31. That is, the movable panel connecting part 32 is disposed between the fixed panel 21 and the movable panel 31. Also, the right end of the movable panel connecting part 32 forms a movable panel gripping part 35 by protruding rightward. The movable panel gripping part 35 is a part that a user grips in order to transition the state of the grating 10 between the shielded state and the open state. As will be described later, when the user holds the movable panel gripping part 35 and moves the fixed grating 20 to the right, the grating 10 transitions from the open state to the shielded state. Conversely, when the user holds the movable panel gripping part 35 and moves the fixed grating 20 to the left, the grating 10 transitions from the shielded state to the open state.

[0023] The panel moving mechanism 40 is a mechanism configured to be able to move the movable panels 31 while maintaining the interval between the movable panels 31 when transitioning from the open state to the shielded state or when transitioning from the shielded state to the open state. The panel moving mechanism 40 is configured to be able to move the movable grating 30 along the width direction.

[0024] Here, the panel moving mechanism 40 has a slit 41 and a movable grating mounting part 22.

[0025] The slit 41 is a cut portion formed in the movable grating 30 and having a longitudinal direction along the left - right direction. The slit 41 is formed from the rear surface of the movable panel connecting portion 32.

[0026] The movable grating mounting portion 22 is a portion formed in the fixed grating 20, protruding inward, and inserted into the slit 41. Inside the slit 41, the movable grating mounting portion 22 is slidable along the left - right direction. Thereby, the movable panel 31 is slidable with respect to the fixed panel 21.

[0027] The grating 10 shown in FIG. 2A etc. is in an open state, and the gap 25 of the fixed grating 20 is not shielded by the movable panel 31 of the movable grating 30. That is, when looking at the grating 10 from the inside, the fixed panel 21 of the fixed grating 20 and the movable panel 31 of the movable grating 30 overlap. Thereby, a view from the inside to the outside is secured via the gap 25, and the user can look at the outside scenery.

[0028] FIG. 3A is a perspective view showing the shielding state of the grating 10 according to the first embodiment. FIG. 3B is a front view showing the shielding state of the grating 10 according to the first embodiment. FIG. 3C is a top view showing the shielding state of the grating 10 according to the first embodiment.

[0029] To change the grating 10 from the open state shown in FIG. 2A etc. to the shielding state shown in FIG. 3A etc., the user slides the movable panel gripping portion 35 in the right direction. Thereby, the gap 25 between the fixed panels 21 can be blocked by the moved movable panel 31. At this time, as shown in FIG. 2B, the movable grating mounting portion 22 is disposed at the left end inside the slit 41. Therefore, the line of sight through the gap 25 of the movable panel 31 can be appropriately blocked by the fixed panel 21, and privacy protection and security improvement can be achieved.

[0030] Also, when transitioning from the shielded state to the open state, the user grips the movable panel grip portion 35 and moves the movable grating 30 toward the left. As a result, the open state shown in FIG. 2B is achieved, and the view through the gap 25 is secured again.

[0031] Also, referring to FIG. 2A, the grating 10 according to the present embodiment does not have an outer frame that entirely surrounds it from the outside. Therefore, the grating 10 can reduce the manufacturing cost and improve the degree of freedom in design. Also, the grating 10 can improve the usability when used by the user.

[0032] Referring to FIGS. 4A to 6B, the configuration and the like of the grating 10 according to the second embodiment will be described. In the grating 10 according to the second embodiment, the movable panel 31 is a rotary type that rotates 90 degrees, and other matters are the same as those in the first embodiment. Here, the above-described movable panel connecting portion 32 is the shaft connecting portion 44. The same applies to the forms from the third embodiment onward.

[0033] FIG. 4A is a front view showing the open state of the grating 10 according to the second embodiment. FIG. 4B is a perspective view showing the open state of the grating 10 according to the second embodiment. FIG. 4C is a top view showing the open state of the grating 10 according to the second embodiment.

[0034] Referring to FIG. 4C, the movable panel 31 is rotatable and has a first end portion 33 that is one end side in the width direction and a second end portion 34 that is the other end side in the width direction. In the open state, the maximum surface of the movable panel 31 is substantially perpendicular to the direction in which the shaft connecting portion 44 described later extends, and is in close contact with the fixed panel 21. Then, the movable panel 31 is housed in a recessed portion that depresses the right side surface of the fixed panel 21 toward the left. As a result, the movable panel 31 does not block the gap 25 in the open state.

[0035] Referring to FIG. 4B, the panel moving mechanism 40 has a shaft connecting portion 44 and a rotating shaft portion 43. The shaft connecting portion 44 is a substantially rod-shaped member and is disposed below the fixed panel 21. The shaft connecting portion 44 extends substantially linearly from the left end to the right end of the grid fence 10. As shown in FIG. 4B, the rotating shaft portion 43 extends upward from the shaft connecting portion 44. The rotating shaft portion 43 is rotatably connected to the second end portion 34 shown in FIG. 4C.

[0036] The movable panel gripping portion 35 is a substantially rod-shaped member that extends upward from the right end side, which is the widthwise end portion of the shaft connecting portion 44. With such a configuration that the movable panel gripping portion 35 is engaged, the user can transition the grid fence 10 between the open state and the shielding state by a simple operation of moving the movable panel gripping portion 35 left and right. Also, the user can operate the movable panel gripping portion 35 without bending down.

[0037] The first end portion 33 of the movable panel 31 is rotatably supported with respect to the fixed panel 21 of the fixed grid fence 20. Referring to FIG. 4B, the first end portion 33 is formed at the upper end portion and the lower end portion of the movable panel 31.

[0038] On the side of the second end portion 34 of the movable panel 31, as described above, it is connected to the shaft connecting portion 44 via the rotating shaft portion 43. Also, the second end portion 34 of the movable panel 31 is rotatably connected to the movable panel gripping portion 35.

[0039] Here, the shaft connecting portion 44 and the rotating shaft portion 43 can also be disposed above the fixed panel 21. In such a case, the rotating shaft portion 43 is connected to the second end portion 34 at the upper end of the movable panel 31. The shaft connecting portion 44 extends from the left end portion to the right end portion of the fixed grid fence 20 above the fixed panel 21. The movable panel gripping portion 35 extends downward from the right end portion of the shaft connecting portion 44.

[0040] FIG. 5A is a perspective view showing an intermediate state of the grid fence 10 according to the second embodiment. FIG. 5B is a top view showing an intermediate state of the grid fence 10 according to the second embodiment.

[0041] Referring to FIGS. 5A and 5B, when the user grips the movable panel gripping portion 35 and pulls it to the right, an intermediate state, which is an intermediate state between the open state and the shielding state, is realized. Specifically, when the user grips the movable panel gripping portion 35 and moves it toward the right side, referring to FIG. 5B, the second end portion 34 of the movable panel 31 is pulled toward the right via the shaft connecting portion 44 and the rotating shaft portion 43. Then, the movable panel 31 rotates counterclockwise about the first end portion 33 as the rotation center. When the user further moves the movable panel gripping portion 35 further to the right from the state shown in FIG. 5B, the shielding state described later is achieved. At this time, referring to FIG. 5A, since the shaft connecting portion 44 is disposed below the lower end of the fixed panel 21, the shaft connecting portion 44 can move to the lower side of the fixed panel 21. Therefore, the movement of the shaft connecting portion 44 is not inhibited by the fixed panel 21.

[0042] FIG. 6A is a perspective view showing the shielding state of the lattice fence 10 according to the second embodiment. FIG. 6B is a top view showing the shielding state of the lattice fence 10 according to the second embodiment.

[0043] Referring to FIG. 6B, in the shielding state, the movable panel 31 is substantially parallel to the direction in which the movable panel gripping portion 35 extends, and closes the gap 25 by moving away from the fixed panel 21.

[0044] Specifically, when the user further pulls the movable panel gripping portion 35 to the right, the second end portion 34 of the movable panel 31 is further pulled to the right via the shaft connecting portion 44 and the rotating shaft portion 43. As a result, the movable panel 31 further rotates counterclockwise about the first end portion 33 as the rotation center. Compared with the open state, the movable panel 31 has rotated 90 degrees. Thereby, the gap 25 is closed by the movable panel 31, and the shielding state is realized.

[0045] Here, the movable panel 31 can be easily switched between the open state and the shielding state by rotating it by operating the movable panel gripping portion 35. In the open state shown in FIG. 4C and the like, the movable panel 31 is substantially perpendicular to the direction in which the shaft connecting portion 44 extends, and is in close contact with the fixed panel 21. On the other hand, in the shielding state shown in FIG. 6B, the movable panel 31 is substantially parallel to the direction in which the movable panel gripping portion 35 extends, and can close the gap 25 by moving away from the fixed panel 21.

[0046] Referring to FIGS. 7A to 9B, the configuration and the like of the lattice fence 10 according to the third embodiment will be described. In the lattice fence 10 according to the third embodiment, the movable panel 31 is of a rotary type that rotates 180 degrees, and other matters are the same as those in the first embodiment.

[0047] FIG. 7A is a front view showing the open state of the lattice fence 10 according to the third embodiment. FIG. 7B is a perspective view showing the open state of the lattice fence 10 according to the third embodiment. FIG. 7C is a top view showing the open state of the lattice fence 10 according to the third embodiment.

[0048] Referring to FIG. 7C, in the open state, the movable panel 31 is substantially parallel to the direction in which the shaft connecting portion 44 extends, and is in close contact with the inner side surface of the fixed panel 21. That is, the movable panel 31 and the fixed panel 21 are in a superimposed state, and the movable panel 31 does not close the gap 25. Thereby, a view through the gap 25 is ensured.

[0049] The movable panel 31 has a first end portion 33 and a second end portion 34. The first end portion 33 is the right end portion of the movable panel 31. The first end portion 33 of the movable panel 31 is rotatably connected to the right end portion of the fixed panel 21. The second end portion 34 is the left end portion of the movable panel 31, and is rotatably connected to the shaft connecting portion 44 via the rotary shaft portion 43.

[0050] The configurations of the rotary shaft portion 43, the shaft connecting portion 44, and the movable panel gripping portion 35 are substantially the same as those in the second embodiment described above.

[0051] FIG. 8A is a perspective view showing an intermediate state of the lattice fence 10 according to the third embodiment. FIG. 8B is a top view showing the intermediate state of the lattice fence 10 according to the third embodiment.

[0052] When the user pulls the movable panel gripping portion 35 rightward, the second end portion 34 of the movable panel 31 is also pulled rightward via the shaft connecting portion 44 and the rotating shaft portion 43. Then, the movable panel 31 rotates counterclockwise about the first end portion 33 as the rotation center. Here, a state where the movable panel 31 is rotated by about 90 degrees is shown.

[0053] FIG. 9A is a perspective view showing a shielded state of the lattice fence 10 according to the third embodiment. FIG. 9B is a top view showing the shielded state of the lattice fence 10 according to the third embodiment.

[0054] Referring to FIGS. 9A and 9B, when the user further pulls the movable panel gripping portion 35 rightward, the movable panel 31 further rotates to close the gap 25. Here, a shielded state where the movable panel 31 rotates 180 degrees about the first end portion 33 as the rotation center is shown. In the shielded state, the movable panel 31 is substantially parallel to the direction in which the shaft connecting portion 44 extends. Further, the movable panel 31 moves away from the inner side surface of the fixed panel 21 and closes the gap 25.

[0055] Here, as shown in FIG. 7C, in the open state, the movable panel 31 overlaps with the fixed panel 21, so that the movable panel 31 does not close the gap 25 between the fixed panels 21. On the other hand, in the shielded state shown in FIG. 9B, the movable panel 31 is configured to close the gap 25 between the fixed panels 21. Further, the movable panel gripping portion 35 is a shaft connecting portion 44 connected to the second end portion 34 of the movable panel 31. Further, the shaft connecting portion 44 is disposed below the fixed panel 21. Therefore, since the shaft connecting portion 44 is disposed below the fixed panel 21, the displacement of the shaft connecting portion 44 is not inhibited by the fixed panel 21.

[0056] Referring to FIGS. 10A to 11C, the configuration of the lattice fence 10 according to the fourth embodiment will be described. The lattice fence 10 according to the fourth embodiment includes a movement restricting portion 50 as a panel movement mechanism 40. Further, in the lattice fence 10 according to the fourth embodiment, the storage form of the movable panel 31 is different from that of the above-described embodiments. Other matters are the same as those in the first embodiment and the like.

[0057] FIG. 10A is a front view showing an open state of the lattice fence 10 according to the fourth embodiment. FIG. 10B is a top view showing an open state of the lattice fence 10 according to the fourth embodiment. FIG. 10C is a perspective view showing an open state of the movement restricting portion 50 according to the fourth embodiment. Here, the panel movement mechanism 40 includes a panel biasing portion 42 and a movement restricting portion 50.

[0058] Generally speaking, in the lattice fence 10 here, a panel storage portion 45 is formed in each fixed panel 21, and the movable panel 31 is stored in the panel storage portion 45. Further, the forward and backward movement of the movable panel 31 is controlled by the movement restricting portion 50.

[0059] The panel storage portion 45 is a cavity formed in the fixed panel 21 and opens toward the right. The panel storage portion 45 has a size capable of storing the movable panel 31.

[0060] The movable panel 31 is stored in the interior of the panel storage portion 45 in each fixed panel 21 so as to be able to move forward and backward along the width direction. As will be described later, when the movable panel 31 is stored in the panel storage portion 45, the lattice fence 10 is in an open state. On the other hand, when the movable panel 31 protrudes rightward from the panel storage portion 45, the lattice fence 10 is in a shielding state.

[0061] The panel biasing portion 42 is built in the panel storage portion 45 and is configured to bias the movable panel 31 outward in the width direction. As the panel biasing portion 42, an elastic body can generally be adopted, and for example, a coil spring can be adopted. The panel biasing portion 42 is disposed at the left end portion of the panel storage portion 45 and biases the movable panel 31 rightward.

[0062] Referring to FIG. 10C, the movement restricting portion 50 is configured to restrict the movement of the movable panel 31 from the panel storage portion 45. As will be described later, the movement restricting portion 50 restricts the protrusion of the movable panel 31 in the open state and does not restrict the protrusion of the movable panel 31 in the shielded state. Specifically, the movement restricting portion 50 includes a restricting connection portion 51, a panel movement restricting portion 52, and a restricting contact portion 53.

[0063] The restricting connection portion 51 is a long member extending along the width direction. As the restricting connection portion 51, a substantially rod-shaped member can be employed. The restricting connection portion 51 extends linearly from the vicinity of the left end portion to the vicinity of the right end portion of the lattice fence 10. The restricting connection portion 51 is rotatably supported by the fixed panel 21.

[0064] The panel movement restricting portion 52 is connected to the restricting connection portion 51 and is configured to restrict the movement of the movable panel 31 outward in the width direction by contacting the movable panel 31. As shown in FIG. 10C, the panel movement restricting portion 52 is a substantially disk-shaped portion fixed to the restricting connection portion 51. Also, as shown in FIG. 10B, the panel movement restricting portion 52 is provided corresponding to each movable panel 31. As will be described later, the panel movement restricting portion 52 contacts the right end portion of the movable panel 31 in both the open state and the shielded state.

[0065] The restricting contact portion 53 is connected to the restricting connection portion 51 and is configured to appropriately contact the fixed lattice fence 20. The shape of the restricting contact portion 53 is different from that of the panel movement restricting portion 52. The shape of the restricting contact portion 53 is, for example, a substantially circular shape with a part cut out. The restricting contact portion 53 contacts the left end portion of the fixed panel 21 in the open state. Also, the restricting contact portion 53 does not contact the left end portion of the fixed panel 21 in the shielded state. The restricting contact portion 53 can take a contact state of contacting the left side surface of the fixed panel 21 and a non-contact state of not contacting the left side surface of the fixed panel 21 by rotating.

[0066] In the open state, the regulation abutting portion 53 abuts against the fixed grid 20, and the position of the panel movement regulation portion 52 is fixed via the regulation connection portion 51. Specifically, as shown in FIG. 10C, the notch of the regulation abutting portion 53 is disposed on the outside, and the inner portion of the regulation abutting portion 53 has a substantially circular shape. Therefore, as shown in FIG. 10B, the regulation abutting portion 53 of the movement regulation portion 50 abuts against the left side surface of the fixed panel 21 disposed on the leftmost side. Thereby, the position of the panel movement regulation portion 52 in the left-right direction is fixed via the regulation connection portion 51. Specifically, the panel movement regulation portion 52 is disposed in the immediate vicinity of the right side surface of the fixed panel 21. Therefore, the panel movement regulation portion 52 presses the right end portion of the regulation connection portion 51 housed in the panel storage portion 45. Thereby, even in a state where the movable panel 31 is biased rightward by the panel biasing portion 42, the panel movement regulation portion 52 presses the movable panel 31. Therefore, the movable panel 31 does not protrude toward the panel movement regulation portion 52. Thereby, a view through the gap 25 in the open state is ensured.

[0067] In the open state, by rotating the movement regulation portion 50 and moving the notch of the regulation abutting portion 53 inward, the shielding state described later is achieved.

[0068] FIG. 11A is a front view showing the shielding state of the grid 10 according to the fourth embodiment. FIG. 11B is a top view showing the shielding state of the grid 10 according to the fourth embodiment. FIG. 11C is a perspective view showing the shielding state of the movement regulation portion 50 according to the fourth embodiment.

[0069] Referring to FIG. 11C, when the user rotates the regulation abutting portion 53, the notch of the regulation abutting portion 53 is disposed on the inside. Here, for the rotation of the regulation abutting portion 53, only the regulation abutting portion 53 may be rotated, or the entire movement regulation portion 50 may be rotated.

[0070] Referring to FIG. 11B, by disposing the notch of the restriction abutting portion 53 inside, the restriction abutting portion 53 will not abut against the left side surface of the fixed panel 21. That is, the position of the panel movement restricting portion 52 is not fixed. On the other hand, the panel biasing portion 42 built in each fixed panel 21 biases the movable panel 31 and the panel movement restricting portion 52 toward the outside in the width direction, that is, toward the right. As a result, each movable panel 31 and the panel movement restricting portion 52 move toward the right. As a result, the panel movement restricting portion 52 abuts against the right side surface of the fixed panel 21. Thereby, the movable panel 31 moves rightward from the fixed panel 21 and shields the panel movement restricting portion 52. Thereby, the shielding state of the lattice fence 10 is realized.

[0071] To transition from the shielding state to the open state, the user pushes the movement restricting portion 50 back to the left, rotates the restriction abutting portion 53, and engages the restriction abutting portion 53 with the left side surface of the fixed panel 21. Thereby, it returns to the state shown in FIG. 10A etc., that is, the movable panel 31 is housed inside the fixed panel 21, and the lattice fence 10 becomes the open state.

[0072] Here, in the open state, the movement of the movable panel 31 can be restricted by the movement restricting portion 50 to maintain the housed state. On the other hand, in the shielding state, by rotating the movement restricting portion 50 to release the restriction, the biasing force of the panel biasing portion 42 causes the movable panel 31 to project outward in the width direction from the panel housing portion 45 of the fixed panel 21, and the gap 25 between the fixed panels 21 can be filled by the movable panel 31.

[0073] Referring to FIGS. 12A and 12B, the configuration etc. of the lattice fence 10 according to the fifth embodiment will be described. The lattice fence 10 according to the fifth embodiment includes a first movable panel 311 and a second movable panel 312 as the movable panel 31, and other matters are the same as those in the fourth embodiment.

[0074] FIG. 12A is a top view showing the open state of the lattice fence 10 according to the fifth embodiment. FIG. 12B is a top view showing the shielding state of the movement restricting portion 50 according to the fifth embodiment.

[0075] Referring to FIG. 12A, the movable panel 31 has a first movable panel 311 and a second movable panel 312. Both the first movable panel 311 and the second movable panel 312 are housed in the fixed panel 21. The first movable panel 311 and the second movable panel 312 are arranged to overlap inside the fixed panel 21. Also, the first movable panel 311 and the second movable panel 312 are connected via a connecting portion 36. The connecting portion 36 is a connecting portion that slidably connects the first movable panel 311 and the second movable panel 312. The panel biasing portion 42 biases the first movable panel 311 toward the right inside the fixed panel 21. In the open state shown in FIG. 12A, by the restricting contact portion 53 abutting against the left side surface of the fixed panel 21, in each fixed panel 21, the panel movement restricting portion 52 presses the first movable panel 311 and the second movable panel 312.

[0076] Referring to FIG. 12B, when the restricting contact portion 53 rotates and the engagement between the left side surface of the fixed panel 21 and the restricting contact portion 53 is disengaged, due to the biasing force of the panel biasing portion 42, the movement restricting portion 50 including the panel movement restricting portion 52 moves toward the right. Then, the first movable panel 311 and the second movable panel 312 protrude from inside the fixed panel 21 toward the right and close the gap 25. As a result, the gap 25 is in a shielded state closed by the first movable panel 311 and the second movable panel 312.

[0077] To transition from the shielded state to the open state, the user pushes the movement restricting portion 50 back to the left, rotates the restricting contact portion 53, and engages the restricting contact portion 53 with the left side surface of the fixed panel 21. Thereby, it returns to the state shown in FIG. 12A, that is, the first movable panel 311 and the second movable panel 312 are housed inside the fixed panel 21, and the lattice fence 10 is in an open state.

[0078] Here, since the movable panel 31 is composed of the first movable panel 311 and the second movable panel 312, the width of the fixed panel 21 can be narrowed.

[0079] Referring to FIGS. 13A to 13C, the configuration of the grating 10 according to the sixth embodiment will be described. FIG. 13A is a front view showing the open state of the grating 10 according to the sixth embodiment. FIG. 13B is a perspective view showing the open state of the grating 10 according to the sixth embodiment. FIG. 13C is a top view showing the open state of the grating 10 according to the sixth embodiment.

[0080] The basic configuration and operation of the grating 10 according to the sixth embodiment, such as the configuration, are the same as those of the grating 10 according to the third embodiment shown in FIGS. 7A and the like. Therefore, the description will focus on the differences, and the description of the common configurations and the like will be omitted and incorporated by reference.

[0081] Here, the movable panel gripping portion 35 is provided at an intermediate portion of the shaft connecting portion 44 in the width direction. As an example, the movable panel gripping portion 35 is disposed at a substantially central portion in the width direction. Specifically, the shaft connecting portion 44 is disposed below the fixed panel 21 and the movable panel 31, and the movable panel gripping portion 35 is a rod-shaped member extending upward from a substantially central portion of the shaft connecting portion 44.

[0082] When the user performs the opening and closing operation of the movable panel 31, the operation is performed by gripping the movable panel gripping portion 35. Since the movable panel gripping portion 35 is disposed at a substantially central portion of the shaft connecting portion 44, each movable panel 31 can be smoothly rotated via the movable panel gripping portion 35 and the shaft connecting portion 44.

[0083] Here, referring to FIG. 13C, the movable panel gripping portion 35 may be disposed inside the fixed panel connecting portion 26. In this case, the movable panel gripping portion 35 extends from a substantially central portion of the shaft connecting portion 44 in the width direction, passes through the lower portions of the shaft connecting portion 44 and the fixed panel connecting portion 26, extends inside the fixed panel connecting portion 26, and further extends upward. By doing so, the user can rotate the movable panel 31 in both directions by operating the movable panel gripping portion 35 existing inside the fixed panel connecting portion 26.

[0084] Referring to FIGS. 14A to 14C, the configuration of the lattice grid 10 according to the seventh embodiment will be described. FIG. 14A is a perspective view showing the open state of the lattice grid 10 according to the seventh embodiment. FIG. 14B is a top view showing the open state of the lattice grid 10 according to the seventh embodiment. FIG. 14C is a side view showing the open state of the lattice grid 10 according to the seventh embodiment.

[0085] The basic configuration and operation of the lattice grid 10 according to the seventh embodiment, such as the configuration, are the same as those of the lattice grid 10 according to the third embodiment shown in FIGS. 7A and the like. Therefore, the description will focus on the differences, and the description of the common configurations and the like will be omitted and incorporated by reference.

[0086] Referring to FIGS. 14A and 14B, the movable panel gripping portion 35 is fixed to the outer surface of the movable panel 31, rather than the shaft connecting portion 44. As shown in FIG. 14C, the movable panel gripping portion 35 has a shape like a general handle. The movable panel gripping portion 35 is disposed at the middle portion, preferably the central portion, of the movable panel 31 in the vertical direction. Also, the movable panel gripping portion 35 is disposed on the movable panel 31 disposed at the middle portion or substantially the central portion in the left-right direction. By doing so, the rotation of the movable panel 31 via the shaft connecting portion 44 can be performed smoothly.

[0087] Referring to FIGS. 15A to 16C, the configuration of the lattice grid 10 according to the eighth embodiment will be described.

[0088] FIG. 15A is a front view showing the open state of the lattice grid 10 according to the eighth embodiment. FIG. 15B is a perspective view showing the open state of the lattice grid 10 according to the eighth embodiment. FIG. 15C is a top view showing the open state of the lattice grid 10 according to the eighth embodiment.

[0089] The basic configuration and operation of the lattice fence 10 according to the eighth embodiment, such as the configuration, are the same as those of the lattice fence 10 according to the first embodiment shown in FIG. 2A and the like. Therefore, the description will focus on the differences, and the description of the common configurations and the like will be omitted and incorporated by reference. In FIGS. 15B and 15C, the movable panel connecting portion 32 is not shown in order to clearly show the rail mechanism 37. In the actual lattice fence 10, the movable panel connecting portion 32 commonly fixes the inner surface or the outer surface of the movable panel 31.

[0090] Referring to FIGS. 15B and 15C, a rail mechanism 37 is disposed between the fixed panel 21 and the movable panel 31. The rail mechanism 37 is disposed between the inner surface of the fixed panel 21 and the outer surface of the movable panel 31. The rail mechanism 37 has a rail portion extending in the left-right direction and a rail receiving portion that supports the rail portion so as to be movable along the left-right direction. One of the rail portion and the rail receiving portion is installed on the inner surface of the fixed panel 21, and the other is disposed on the outer surface of the movable panel 31. The rail mechanism 37 is disposed for each combination of the fixed panel 21 and the movable panel 31. The rail mechanism 37 may be disposed only at the upper part of the lattice fence 10, only at the lower part, or at both the upper and lower parts.

[0091] FIG. 16A is a front view showing the shielding state of the lattice fence 10 according to the eighth embodiment. FIG. 16B is a perspective view showing the shielding state of the lattice fence 10 according to the eighth embodiment. FIG. 16C is a top view showing the shielding state of the lattice fence 10 according to the eighth embodiment.

[0092] Referring to FIGS. 16B and 16C, when the user operates the movable panel gripping portion 35 toward the right, the movable lattice fence 30 moves toward the right, and the movable panel 31 is disposed at a position where the gap 25 is blocked. With such a configuration, the line of sight from the outside through the gap 25 can be blocked. In the shielding state, the rail mechanism 37 guides and holds the rightward movement of the movable panel 31. Conversely, when shifting from the shielding state to the open state, the user pushes the movable panel gripping portion 35 toward the left to displace the movable panel 31 guided by the rail mechanism 37 toward the left.

[0093] Furthermore, referring to FIG. 15C, the outer surface of the movable panel 31 can be brought into close contact with the inner surface of the fixed panel 21. Such a close contact configuration can be achieved, for example, by accommodating the rail portion and the rail receiving portion constituting the rail mechanism 37 in the thickness portions of the fixed panel 21 and the movable panel 31.

[0094] Also, the rail mechanism 37 can be provided with a stopper for controlling the amount of movement of the movable panel 31 in the left - right direction. By such a stopper, excessive movement of the movable panel 31 in the left direction and the A direction can be suppressed.

[0095] Referring to FIGS. 17A to 19B, the configuration and the like of the lattice fence 10 according to the ninth embodiment will be described. The configuration and operation of the lattice fence 10 according to the ninth embodiment are basically the same as those of the lattice fence 10 according to the second embodiment described above with reference to FIGS. 5A and the like, except that the first end portion 33 is disposed inside and the second end portion 34 is disposed outside.

[0096] FIG. 17A is a front view showing the open state of the lattice fence 10 according to the ninth embodiment. FIG. 17B is a perspective view showing the open state of the lattice fence 10 according to the ninth embodiment. FIG. 17C is a top view showing the open state of the lattice fence 10 according to the ninth embodiment.

[0097] Referring to FIG. 17C, the movable panel 31 is rotatable and has a first end portion 33 disposed inside and a second end portion 34 disposed outside. In the open state, the maximum surface of the movable panel 31 is substantially perpendicular to the direction in which the shaft connecting portion 44 described later extends, and is in close contact with the fixed panel 21. Then, the movable panel 31 is housed in a recessed portion that depresses the right - hand surface of the fixed panel 21 toward the left. Thereby, the movable panel 31 does not block the gap 25 in the open state.

[0098] Referring to FIG. 17B, the panel moving mechanism 40 has a shaft connecting portion 44 and a rotating shaft portion 43. The shaft connecting portion 44 is a substantially rod-shaped member and is disposed below the fixed panel 21. The shaft connecting portion 44 extends substantially linearly from the left end to the right end of the lattice fence 10. As shown in FIG. 17B, the rotating shaft portion 43 extends upward from the shaft connecting portion 44. The rotating shaft portion 43 is rotatably connected to the second end portion 34 shown in FIG. 17C.

[0099] The movable panel gripping portion 35 is a substantially rod-shaped member that extends upward from the right end side, which is the widthwise end portion of the shaft connecting portion 44. Since the movable panel gripping portion 35 is configured to engage, the user can transition the lattice fence 10 between the open state and the shielding state by a simple operation of moving the movable panel gripping portion 35 left and right. Also, the user can operate the movable panel gripping portion 35 without bending down.

[0100] The first end portion 33 of the movable panel 31 is rotatably supported with respect to the fixed panel 21 of the fixed lattice fence 20. Referring to FIG. 17B, the first end portion 33 is formed at the upper and lower end portions of the movable panel 31. As shown in FIG. 17C, the first end portion 33 is rotatably connected inside the right side surface of the fixed panel 21.

[0101] FIG. 18A is a perspective view showing an intermediate state of the lattice fence 10 according to the ninth embodiment. FIG. 18B is a top view showing an intermediate state of the lattice fence 10 according to the ninth embodiment.

[0102] Referring to FIGS. 18A and 18B, when the user grips the movable panel gripping portion 35 and pulls it to the right, an intermediate state, which is an intermediate state between the open state and the shielding state, is realized. Specifically, when the user grips the movable panel gripping portion 35 and moves it toward the right side, referring to FIG. 18B, the second end portion 34 of the movable panel 31 is pulled toward the right via the shaft connecting portion 44 and the rotating shaft portion 43. Then, the movable panel 31 rotates clockwise with the first end portion 33 as the rotation center. When the user further moves the movable panel gripping portion 35 further to the right from the state shown in FIG. 18B, the shielding state described later is reached.

[0103] FIG. 19A is a perspective view showing the shielding state of the lattice fence 10 according to the ninth embodiment. FIG. 19B is a top view showing the shielding state of the lattice fence 10 according to the ninth embodiment.

[0104] Referring to FIG. 19B, in the shielding state, the movable panel 31 is substantially parallel to the direction in which the movable panel gripping portion 35 extends, and closes the gap 25 by moving away from the fixed panel 21.

[0105] Specifically, when the user further pulls the movable panel gripping portion 35 rightward, the second end portion 34 of the movable panel 31 is further pulled rightward via the shaft connecting portion 44 and the rotating shaft portion 43. As a result, the movable panel 31 rotates further clockwise with the first end portion 33 as the rotation center. Compared with the open state, the movable panel 31 has rotated 90 degrees. Thereby, the gap 25 is closed by the movable panel 31, and the shielding state is realized.

[0106] As described above, the embodiments of the present invention have been described. However, the present invention is not limited thereto, and can be modified without departing from the gist of the present invention. Also, the above-described embodiments can be combined with each other.

[0107] For example, referring to FIG. 1, the lattice fence 10 includes a fixed lattice fence 20, a movable lattice fence 30, and a panel moving mechanism 40. However, a mechanism including the movable lattice fence 30 and the panel moving mechanism 40 can also be configured as a movable fence module. In this case, by attaching the movable fence module to the existing lattice fence 10, the privacy and safety of the existing lattice fence 10 can be improved.

[0108] Also, in all of the above-described embodiments, particularly in the second and fifth embodiments, in the left-right direction, the width of the gap 25 may be shorter or longer than the width of the fixed panel 21. By making the width of the gap 25 shorter than the width of the fixed panel 21, the effect of blocking the view from the outside can be made remarkable. On the other hand, even when the width of the gap 25 is wide, a complete shielding state can be created by filling the gap 25 with the fixed panel 21.

[0109] Furthermore, advertisements or the like can also be displayed on the movable panel 31 described above. For example, referring to FIG. 9B or the like, advertisements, predetermined patterns, logo marks, etc. can also be displayed on the surfaces facing the outside of the fixed panel 21 and the movable panel 31. By doing so, advertisements or the like can be displayed on the outside of the movable panel 31 in the shielding state of the lattice fence 10, improving the appearance design of the lattice fence 10, and the lattice fence 10 can also be utilized in a store or the like.

[0110] Furthermore, the slit 41 and the configuration of the movable lattice fence attachment portion 22 shown in the second embodiment shown in FIGS. 2A to 3C, and further, the rail mechanism 37 shown in FIG. 16B or the like can also be adopted for the lattice fence 10 of the fourth embodiment shown in FIGS. 10A to 11C.

[0111] Furthermore, in each of the above-described embodiments, the lattice fence 10 can also be used for applications installed outside the site 12. For example, the lattice fence 10 can also be installed on the window of the house 13. That is, the lattice fence 10 can also be used as a window lattice.

[0112] Furthermore, in all of the embodiments, the positional relationship between the fixed panel 21 and the movable panel 31 can be interchanged. For example, referring to FIG. 2C, the fixed panel 21 can be arranged inside and the movable panel 31 can be arranged outside.

[0113] The invention understood from the above-described embodiments will be described below together with its effects.

[0114] The lattice fence according to an embodiment of the present invention includes a fixed lattice fence fixed to an installation surface, a movable lattice fence configured to be displaceable with respect to the fixed lattice fence, and a panel moving mechanism that moves the movable lattice fence along the width direction. The gap of the fixed lattice fence can be in an open state not covered by the movable lattice fence and a shielded state covered by the movable lattice fence. The fixed lattice fence has a plurality of fixed panels that are spaced apart along the width direction and do not move in the open state and the shielded state. The movable lattice fence has a plurality of movable panels that are spaced apart along the width direction and move in the open state and the shielded state. The panel moving mechanism is configured to be able to move the movable panels while maintaining the interval between the movable panels. According to the lattice fence of the present invention, by moving the movable panels of the movable lattice fence in the width direction by the panel moving mechanism, the gap between the fixed panels can be closed by the movable panels. Therefore, the line of sight through the gap of the fixed panels can be appropriately blocked by the movable panels, and privacy protection and security improvement can be achieved.

[0115] Further, in the lattice fence according to an embodiment of the present invention, the movable lattice fence further has a movable panel connecting portion that extends along the lateral direction so as to connect the movable panels. The panel moving mechanism has a slit formed in the movable lattice fence and a movable lattice fence mounting portion formed in the fixed lattice fence and inserted into the slit. Inside the slit, the movable lattice fence mounting portion is slidable. According to the lattice fence of the present invention, since the movable panel is slidable with respect to the fixed panel, for example, by the user sliding the movable panel connecting portion in the lateral direction, the gap between the fixed panels can be closed by the movable panel.

[0116] In addition, in the grid fence according to the embodiment of the present invention, in the panel movement mechanism, a first end portion of the movable panel in the width direction is rotatably supported with respect to the fixed grid fence, and a side of a second end portion of the movable panel in the width direction is rotatably connected to the movable panel connecting portion. According to the grid fence of the present invention, by rotating the movable panel by operating the movable panel connecting portion, the open state and the shielding state can be easily switched.

[0117] In addition, in the grid fence according to the embodiment of the present invention, in the open state, the movable panel is substantially perpendicular to the direction in which the movable panel connecting portion extends, and is in close contact with the fixed panel. In the shielding state, the movable panel is substantially parallel to the direction in which the movable panel connecting portion extends, and closes the gap by moving away from the fixed panel. According to the grid fence of the present invention, in the open state, since the movable panel is in close contact with the fixed panel, the movable panel does not close the gap between the fixed panels. On the other hand, in the shielding state, the movable panel can be configured to close the gap between the fixed panels.

[0118] In addition, in the grid fence according to the embodiment of the present invention, in the open state, the movable panel is substantially parallel to the direction in which the movable panel connecting portion extends, and is in close contact with the fixed panel. In the shielding state, the movable panel is substantially parallel to the direction in which the movable panel connecting portion extends, and closes the gap by moving away from the fixed panel. According to the grid fence of the present invention, in the open state, since the movable panel overlaps with the fixed panel, the movable panel does not close the gap between the fixed panels. On the other hand, in the shielding state, the movable panel can be configured to close the gap between the fixed panels.

[0119] Further, in the lattice fence according to the embodiment of the present invention, the movable panel connecting portion is a shaft connecting portion connected to the second end portion of the movable panel, and the shaft connecting portion is disposed below or above the fixed panel. According to the lattice fence of the present invention, since the shaft connecting portion is disposed below or above the fixed panel, the displacement of the shaft connecting portion is not inhibited by the fixed panel.

[0120] Further, in the lattice fence according to the embodiment of the present invention, the panel moving mechanism further includes a movable panel gripping portion, and the movable panel gripping portion is configured to be capable of transitioning from the open state to the shielding state by a user's operation, and is configured to extend upward from the width direction end side of the shaft connecting portion. According to the lattice fence of the present invention, the state of the movable lattice fence can be transitioned by a simple operation of the user.

[0121] In addition, in the grid fence according to the embodiment of the present invention, a panel storage portion for storing the movable panel is formed in the fixed panel, and the movable panel is stored in the panel storage portion of the fixed panel so as to be able to advance and retreat along the width direction. The panel movement mechanism is built in the panel storage portion and includes a panel biasing portion that biases the movable panel outward in the width direction, and a movement restricting portion that restricts the movement of the movable panel from the panel storage portion. The movement restricting portion includes a restricting connecting portion that is a long member extending along the width direction, a panel movement restricting portion that is connected to the restricting connecting portion and restricts the outward movement of the movable panel in the width direction by contacting the movable panel, and a restricting contact portion that is connected to the restricting connecting portion and is configured to contact the fixed grid fence. In the open state, the restricting contact portion contacts the fixed grid fence, so that the position of the panel movement restricting portion is fixed via the restricting connecting portion, and the panel movement restricting portion presses the movable panel, so that the movable panel is stored in the panel storage portion. In the shielding state, since the restricting contact portion does not contact the fixed grid fence, the position of the panel movement restricting portion is not fixed, and the movable panel biased by the panel biasing portion moves outward in the width direction from the panel storage portion. According to the grid fence of the present invention, in the open state, the movement restricting portion can maintain the state in which the movable panel is stored in the panel storage portion of the fixed panel. On the other hand, in the shielding state, by releasing the restriction by the movement restricting portion, the movable panel can be projected outward in the width direction from the panel storage portion of the fixed panel by the biasing force of the panel biasing portion, and the gap between the fixed panels can be filled by the movable panel.

[0122] In addition, in the grid fence according to the embodiment of the present invention, the regulation contact portion can take a contact state in which it contacts the fixed grid fence and a non-contact state in which it does not contact the fixed grid fence, and by rotating the regulation contact portion, the contact state and the non-contact state are switched. According to the grid fence of the present invention, by a simple operation of rotating the regulation contact portion, the contact state and the non-contact state between the regulation contact portion and the fixed grid fence can be switched, and thus the open state and the shielding state of the grid fence can be easily switched.

Explanation of Signs

[0123] 10 Grid fence 11 Installation surface 12 Site 13 House 20 Fixed grid fence 21 Fixed panel 22 Movable grid fence attachment part 23 Support column 25 Gap 26 Fixed panel connection part 30 Movable grid fence 31 Movable panel 311 First movable panel 312 Second movable panel 32 Movable panel connection part 33 First end 34 Second end 35 Movable panel gripping part 36 Connection part 37 Rail mechanism 40 Panel movement mechanism 41 Slit 42 Panel biasing part 43 Rotation shaft part 44 Shaft connection part 45 Panel storage part 50 Movement restriction part 51 Regulation connection part 52 Panel movement restriction part 53 Regulation contact part

Claims

Claim 1 A fixed grating fixed to a mounting surface, a movable grating configured to be displaceable relative to the fixed grating, and a panel moving mechanism for moving the movable grating along the width direction, wherein the gap of the fixed grating can be in an open state not covered by the movable grating, and the gap of the fixed grating can be in a shielded state covered by the movable grating, the fixed grating has a plurality of fixed panels that are spaced apart along the width direction and do not move in the open state and the shielded state, the movable grating has a plurality of movable panels that are spaced apart along the width direction and move in the open state and the shielded state, and the panel moving mechanism is configured to be able to move the movable panels while maintaining the interval between the movable panels. A grating characterized by this.

Images