Auxiliary structure for opening and closing body

Abstract

To provide an auxiliary structure of an opening / closing body which can enhance usability of the opening / closing body.SOLUTION: An auxiliary structure of an opening / closing body 50 is a structure for assisting opening / closing movement of the opening / closing body 50 for performing opening / closing of an opening part 3 of a building and capable of performing opening / closing movement according to the rotation of a winding shaft supported rotatably with respect to a bracket member provided further on an opening direction side of the opening / closing body 50 than the opening part 3. The opening / closing body includes an auxiliary part 60 provided at a portion on the opening direction side of the opening / closing body 50 at a right side guide rail 20b, and assisting opening movement of the opening / closing body 50 while avoiding an end part on a width direction side of the opening / closing body 50 coming into contact with a first end surface of a right side bracket member 35, when allowing the opening / closing body 50 to open and move.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to an auxiliary structure for an opening / closing body. [Background technology]

[0002] Manual window shutter devices that are installed in window openings of buildings have been proposed in the past. Such window shutter devices include a shutter body, a shutter box located above the window opening and capable of accommodating the shutter body, a hoisting drum installed within the shutter box and rotatably supported by brackets that form the sides of the shutter box, and a pair of left and right guide rails installed below the shutter box that guide the shutter body so that the shutter body moves up and down as the hoisting drum rotates when the shutter body is opened or closed (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-3370 Summary of the Invention [Problem to be solved by the invention]

[0004] In the conventional window shutter device, as described above, a pair of left and right guide rails are provided below the shutter box, so for example, if the lower end face of the bracket of the shutter box and the upper face of the guide rail (specifically, the upper face of the part of the guide rail that guides the shutter body) are close to each other, when an attempt is made to open the shutter body, the lower end face of the bracket comes into contact with the end of the shutter body in the width direction, which could prevent the shutter body from opening. Therefore, there is room for improvement from the perspective of improving the usability of an opening and closing body such as a shutter body.

[0005] The present invention is intended to solve the problems in the above-mentioned conventional technology, and has an object to provide an auxiliary structure for an opening / closing body that can improve the usability of the opening / closing body. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, the auxiliary structure for an opening / closing body described in claim 1 is an opening / closing body for opening and closing an opening of a building, and is an auxiliary structure for assisting the opening / closing movement of the opening / closing body that can be opened and closed in accordance with the rotation of a winding shaft rotatably supported on a bracket member provided on the opening side of the opening, the auxiliary structure being a guide rail provided along the opening / closing direction of the opening, and an auxiliary means provided on a portion of the guide rail on the opening / closing direction side of the opening / closing body that guides the opening / closing body to move along the opening / closing direction, the auxiliary means assisting the opening movement of the opening / closing body while avoiding contact between an end portion on a width direction side of the opening / closing body and a first end face, which is an end face of the bracket member on the closing direction side of the opening / closing body, when the opening / closing body is moved to open, The auxiliary means includes a main body and a connecting portion for connecting the main body to the guide rail, and the connecting portion is disposed on the closing direction side of the opening / closing body relative to the main body.

[0007] The auxiliary structure for an opening / closing body according to claim 2 is the auxiliary structure for an opening / closing body according to claim 1, At least the main body of the auxiliary means is made of a sound-deadening material.

[0008] The auxiliary structure of the opening / closing body according to claim 3 comprises: An opening / closing body for opening and closing an opening in a building, the auxiliary structure is for assisting the opening and closing movement of the opening / closing body, which can be opened and closed in accordance with the rotation of a winding shaft rotatably supported on a bracket member provided on the opening side of the opening, the auxiliary structure being a guide rail provided along the opening and closing direction of the opening, and an auxiliary means provided on the opening direction side of the opening / closing body in the guide rail that guides the opening / closing body to move along the opening and closing direction, the auxiliary means assisting the opening movement of the opening / closing body while avoiding the widthwise end of the opening / closing body coming into contact with the first end face, which is the end face of the bracket member on the closing direction side of the opening / closing body, when the opening / closing body is moved open, and the projected surface portion of the guide rail and the projected surface portion of the bracket member are flush with each other.

[0009] The auxiliary structure for an opening / closing body according to claim 4 is the auxiliary structure for an opening / closing body according to any one of claims 1 to 3, The auxiliary means is disposed at the end of the guide rail in the opening direction of the opening / closing body so as to be adjacent to the first end face.

[0010] The auxiliary structure for an opening / closing body according to claim 5 is the auxiliary structure for an opening / closing body according to any one of claims 1 to 4, By protruding the auxiliary means toward the opening direction of the opening / closing body beyond the second end face, which is the end face of the guide rail on the opening / closing body's opening direction side, it is possible to assist the closing movement of the opening / closing body while avoiding the end on the width direction side of the opening / closing body coming into contact with the second end face when the opening / closing body is moved in the closing direction.

[0011] The auxiliary structure for an opening / closing body according to claim 6 is the auxiliary structure for an opening / closing body according to any one of claims 1 to 5, The auxiliary means comprises a first contact portion having a first curved surface that contacts the widthwise end of the opening / closing body when the opening / closing body is moved in a closed position, and a second contact portion having a second curved surface that contacts the widthwise end of the opening / closing body when the opening / closing body is moved in an open position, and the radius of curvature of the first curved surface is larger than the radius of curvature of the second curved surface.

[0012] The auxiliary structure for an opening / closing body according to claim 7 is the auxiliary structure for an opening / closing body according to any one of claims 1 to 6, A locking means for locking the opening / closing body is provided at the end of the opening / closing body in the closing direction, and the operating part of the locking means is located at the end of the opening / closing body in the closing direction, on one side of a pair of guide rails that are arranged opposite each other at the opening, and the auxiliary means is provided on at least one of the pair of guide rails. [Effects of the Invention]

[0014] According to the auxiliary structure for an opening-closing body of claim 1, an auxiliary means is provided on the guide rail on the opening direction side of the opening-closing body, and the auxiliary means assists the opening movement of the opening-closing body while preventing the widthwise end of the opening-closing body from contacting the first end face, which is the end face of the bracket member on the closing direction side of the opening-closing body, when the opening-closing body is moved in the open position. Therefore, when the opening-closing body is moved in the open position, the widthwise end of the opening-closing body can be prevented from contacting the first end face of the bracket member. Therefore, the opening movement of the opening-closing body can be performed smoothly, and the usability of the opening-closing body can be improved. Furthermore, because the connecting portion is positioned closer to the closing direction of the opening / closing body than the main body, it is easier to avoid the connecting portion interfering with the opening / closing movement of the opening / closing body compared to when the connecting portion and the main body are positioned in the opening / closing direction. Furthermore, for example, even if the main body is made to protrude further in the opening direction of the opening / closing body than the second end face of the guide rail, and the protrusion is relatively large, the auxiliary portion can be reliably connected to the guide rail via the connecting portion. These factors contribute to improved usability of the auxiliary portion.

[0015] According to the auxiliary structure for the opening / closing body of claim 2, At least the main body of the auxiliary means is made of sound-deadening material, which reduces the contact noise that occurs when the auxiliary means comes into contact with the opening / closing body, thereby further improving the usability of the auxiliary means.

[0016] According to the auxiliary structure for an opening / closing body described in claim 3, The auxiliary means is provided on the guide rail at the opening direction side of the opening-closing body, and assists the opening movement of the opening-closing body while preventing the widthwise end of the opening-closing body from contacting the first end face, which is the end face of the bracket member on the closing direction side of the opening-closing body, when the opening-closing body is moved in the open position. Therefore, when the opening-closing body is moved in the open position, the widthwise end of the opening-closing body can be prevented from contacting the first end face of the bracket member. This allows the opening movement of the opening-closing body to be performed smoothly, and improves the usability of the opening-closing body. Furthermore, since the projected surface of the guide rail and the projected surface of the bracket member are flush with each other, when the projected surface of the guide rail and the projected surface of the bracket member are flush with each other, the widthwise end of the opening / closing body can be prevented from coming into contact with the first end face of the bracket member when the opening / closing body is moved to open, allowing for smoother opening and closing. Also, the width of the storage section equipped with the bracket member can be shortened, allowing for a more compact storage section.

[0017] According to the auxiliary structure for an opening / closing body described in claim 4, The auxiliary means is positioned at the end of the guide rail on the opening direction side of the opening / closing body so that the auxiliary means is adjacent to the first end face.This makes it possible to accurately prevent the widthwise end of the opening / closing body from coming into contact with the first end face of the bracket member, compared to when the auxiliary means is positioned on the closing side of the end of the guide rail on the opening direction side of the opening / closing body, and allows the opening movement of the opening / closing body to be performed more smoothly.

[0018] According to the auxiliary structure for an opening / closing body described in claim 5, By having the auxiliary means protrude further toward the opening direction of the opening / closing body than the second end face, which is the end face of the guide rail on the opening direction side of the opening / closing body, the closing movement of the opening / closing body can be assisted while preventing the widthwise end of the opening / closing body from coming into contact with the second end face when the opening / closing body is moved in the closing direction, thereby preventing the widthwise end of the opening / closing body from coming into contact with the second end face of the guide rail when the opening / closing body is moved in the closing direction.This allows the opening / closing movement of the opening / closing body to be performed smoothly, further improving the usability of the opening / closing body.

[0019] According to the auxiliary structure for an opening / closing body described in claim 6, The radius of curvature of the first curved surface is larger than the radius of curvature of the second curved surface, so that the closing movement of the opening / closing body can be performed smoothly even when it is difficult to impart momentum to the opening / closing body during the closing movement, thereby further improving the usability of the opening / closing body.

[0020] According to the auxiliary structure for an opening / closing body described in claim 7, The operating section of the locking means is located on one side of a pair of guide rails that are arranged opposite each other at the opening, at the end of the opening-closing body in the closing direction, and the auxiliary section is provided on at least one of the pair of guide rails. Therefore, for example, when a user unlocks the locking means and manually moves the opening-closing body open while holding the operating section of the locking means (or the portion of the closing-direction end of the opening-closing body that is closest to the operating section of the locking means), the opening-closing body tilts with respect to the opening and closing direction, causing the projecting surface of the guide rail to be pressed against the opening-closing body and bending the projecting surface outward in the width direction, which makes it easier for the widthwise end of the opening-closing body to come into contact with the first end surface of the bracket member, but the auxiliary section can prevent this contact. Therefore, a series of operations including the unlocking operation of the locking means and the opening-closing movement of the opening-closing body can be performed smoothly. [Brief explanation of the drawings]

[0022] [Figure 1] 1A and 1B are diagrams conceptually showing an opening and closing device according to an embodiment of the present invention, showing a fully closed state, in which (a) is a front view and (b) is a right side view. [Figure 2] FIG. 2 is a rear view of the opening and closing device of FIG. [Figure 3] FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1(a) (partial illustration omitted). [Figure 4] FIG. 2 is a cross-sectional view taken along the arrow BB in FIG. 1(a) (partial illustration omitted). [Figure 5] This is a diagram showing the right guide rail, right vertical frame member, and auxiliary part, where (a) is a side view, (b) is a front view, and (c) is a cross-sectional view taken along the CC arrow in (a). [Figure 6] 1A to 1C are diagrams showing an auxiliary part, in which (a) is a front view, (b) is a left side view, and (c) is a plan view. [Figure 7] 3 is a diagram showing a state during an opening operation, illustrating a region in the vicinity of the auxiliary portion in FIG. 2 (partially omitted and partially shown in cross section). FIG. [Figure 8] 3 is a diagram showing a state during a closing operation, illustrating a region in the vicinity of the auxiliary part in FIG. 2 (partially omitted and partially shown in cross section). FIG. DETAILED DESCRIPTION OF THE INVENTION

[0023]

[0023] Hereinafter, with reference to the accompanying drawings, an embodiment of an auxiliary structure for an opening / closing body according to the present invention will be described in detail. First, [I] the basic concept of the embodiment will be described, then [II] specific contents of the embodiment will be described, and finally, [III] modifications to the embodiment will be described. However, the present invention is not limited to the embodiment.

[0024] [I] Basic Concept of the Embodiment First, the basic concept of the embodiment will be described. The embodiment generally relates to an auxiliary structure for assisting the opening and closing movement of an opening / closing body for opening and closing an opening of a building, which is capable of opening and closing in response to the rotation of a winding shaft rotatably supported by a bracket member provided on the opening side of the opening / closing body in the opening direction.

[0025] Here, the term "building" is not limited to specific structures or types, but is a concept that includes, for example, detached houses, apartment complexes such as apartments and condominiums, office buildings, commercial facilities, and public facilities.

[0026] Furthermore, an "opening in a building" is an opening formed in a part of the building's framework (for example, a wall, ceiling, or floor) to accommodate a window or entrance.

[0027] Furthermore, an "opening and closing device" equipped with an opening and closing body is a device attached to an opening in a building for the purpose of crime prevention and fire prevention, and is a concept that includes all types of shutter devices, such as window shutters. The opening and closing direction of the opening and closing device may be, for example, up and down, left and right, or front and back. The driving method of the opening and closing device is arbitrary, and examples of the driving method include a "manual opening and closing device" and an "electric opening and closing device."

[0028] Furthermore, the "open / closed state of the opening / closing device" is a concept that includes, for example, a "fully closed state," a "fully open state," and a "half open state."

[0029] Of these, the "fully closed state" refers to a state in which the opening is fully closed by the opening / closing body, and in the embodiment, the position of the opening / closing body in the fully closed state is referred to as the "fully closed position." Also, the "fully open state" refers to a state in which the opening is fully opened by the opening / closing body, and in the embodiment, the position of the opening / closing body in the fully open state is referred to as the "fully open position." Also, the "half-open state" refers to a state in which the opening / closing body is positioned between the fully closed position and the fully open position.

[0030] In the following embodiments, a case will be described in which the opening and closing device is a vertically opening and closing type manual shutter device (specifically, a newly installed window shutter) provided on the outer wall of a building such as a detached house.

[0031] [II] Specific details of the embodiment Next, specific details of the embodiment will be described.

[0032] (composition) First, the configuration of an opening / closing device to which an auxiliary structure for an opening / closing body according to an embodiment of the present invention is applied will be described.

[0033] In the following description, the X direction in FIG. 1 is referred to as the left-right direction of the opening and closing device (the -X direction is the left direction of the opening and closing device, and the +X direction is the right direction of the opening and closing device), the Y direction in FIG. 3 is referred to as the front-to-back direction of the opening and closing device (the +Y direction is the front direction of the opening and closing device (toward the outside of the building) and the -Y direction is the rear direction of the opening and closing device (toward the inside of the building)), and the Z direction in FIG. 1 is referred to as the up-down direction of the opening and closing device (the +Z direction is the up direction of the opening and closing device, and the -Z direction is the down direction of the opening and closing device).

[0034] 1 to 4, the opening and closing device 1 generally includes a frame body 10, a storage section 30, a winding shaft 40, and an opening and closing body 50. However, unless otherwise specified, the configuration of the opening and closing device 1 is the same as that of a conventional shutter device, and therefore the description thereof will be omitted.

[0035] As described above, the opening and closing device 1 is a window shutter, and as shown in FIG. 1 , a window (for example, a known openable sash window comprising a pair of window bodies) not shown is provided in an opening 3 formed in a building frame 2 (specifically, a wall, etc.), and an opening and closing body 50 is provided on the outdoor side of the building relative to this window. Therefore, although the opening and closing body 50 opens and closes the opening 3 not within the opening plane of the opening 3 but on the outdoor side of the building relative to the opening plane of the opening 3, even in this opening and closing operation, the opening and closing body 50 still opens and closes to restrict the entry and exit of people and objects through the opening 3. Therefore, hereinafter, the opening and closing body 50 will be described as "opening and closing the opening 3."

[0036] The method of attaching (or connecting) the various components that make up the opening and closing device 1 to each other is arbitrary, but for example, a method is used in which the attachment side component is attached (or connected) to the attachment side component via an attachment hole (for example, a rivet hole, a screw hole, a screw hole, etc.) formed in the attachment side component or the attachment side component using a fastener (for example, a rivet, an attachment screw, a screw, etc.), welding, an adhesive, double-sided tape, etc.

[0037] (Structure - Frame) Returning to FIG. 1, the frame 10 is provided on the periphery of the opening 3. The frame 10 is made by combining multiple aluminum (or steel (for example, steel, stainless steel, etc.) pieces together.

[0038] Specifically, as shown in Figures 1 to 4, the multiple frame members are composed of a drip-proof board 12, a left vertical frame member 13, and a right vertical frame member 14. These drip-proof boards 12, left vertical frame member 13, and right vertical frame member 14 are each directly fixed to the outer surface of the frame 2 (specifically, a wall, a pillar, a beam, etc.) around the periphery of the opening 3 by a known method.

[0039] (Configuration - Frame - Drain board) The drip-water board 12 is a frame material located below the opening 3, and as shown in Figures 2 to 4, it is provided below the opening / closing body 50 and is fixed to the main body 2 by a fastener or the like. In the fully closed state, the drip-water board 12 is in proximity to or in contact with the lower end of the seat plate 53 described below.

[0040] (Composition - Frame body - Left vertical frame material) Returning to Fig. 1, the left vertical frame member 13 is a frame member located on the left side of the opening 3, and as shown in Fig. 1, it is provided to the left of the opening / closing body 50 and is fixed to the main body 2 by a fastener or the like. The configuration of the left vertical frame member 13 will be described in detail later.

[0041] (Configuration - Frame - Right vertical frame material) Returning to Fig. 1, the right vertical frame member 14 is a frame member located on the right side of the opening 3, and as shown in Fig. 1, it is provided on the right side of the opening / closing body 50 and is fixed to the main body 2 by a fastener or the like. The configuration of the right vertical frame member 14 will be described in detail later.

[0042] (Configuration - Frame - Guide rail) As shown in FIGS. 1 and 2, each of the left vertical frame member 13 and the right vertical frame member 14 is provided with a guide rail 20.

[0043] The guide rail 20 guides the opening / closing body 50 to move in the opening / closing direction (i.e., the up-and-down direction) of the opening 3. As shown in Fig. 3, this guide rail 20 is disposed on the front surface of the left vertical frame member 13 or the right vertical frame member 14 with the up-and-down direction (longitudinal direction) of the guide rail 20 oriented substantially along the up-and-down direction (longitudinal direction) of the left vertical frame member 13 or the right vertical frame member 14, and is fixed to the left vertical frame member 13 or the right vertical frame member 14 by a fixture or the like.

[0044] In the following, where necessary, of the guide rails 20, the guide rail 20a located on the left side of the opening 3 will be referred to as the "left guide rail 20a," and the guide rail 20b located on the right side of the opening 3 will be referred to as the "right guide rail 20b." The configuration of the guide rails 20 will be described in detail later.

[0045] (Configuration - Storage section) Returning to Fig. 1, the storage section 30 is a storage means for storing each part of the opening and closing device 1. This storage section 30 is a long hollow body, and as shown in Fig. 1, is installed above the upper end of the opening 3 so that the longitudinal direction of the storage section 30 is along the left-right direction.

[0046] As shown in FIG. 3, the storage section 30 accommodates the winding shaft 40, and when the opening / closing body 50 is wound up on the winding shaft 40, at least a portion of the opening / closing body 50 is also accommodated inside the storage section 30.

[0047] In addition, a lintel opening 30a is formed between the outdoor end of the building of the back case panel 38 of the storage section 30 described later and the indoor end of the building at the lower part of the front case panel 32, spanning the entire length of the opening 3 in the left-right direction, and the opening / closing body 50 is inserted and removed through this lintel opening 30a.

[0048] The configuration of the storage section 30 will be described in detail later.

[0049] (Configuration - Winding shaft) The winding shaft 40 is used to move the opening / closing body 50 between the open and closed positions (note that FIG. 3 shows the maximum winding diameter M of the winding shaft 40). The winding shaft 40 is configured using, for example, a known winding shaft or the like, and is installed along the left-right direction. Specifically, the left end of the winding shaft 40 is rotatably supported by a left bracket member 33 (described later) via a left bearing portion (not shown), and the right end of the winding shaft 40 is rotatably supported by a right bracket member 35 (described later) via a right bearing portion (not shown).

[0050] In addition, a connecting slat (not shown) connected to the upper end of the opening / closing body 50 is connected to this winding shaft 40, and by rotating this winding shaft 40, the opening / closing body 50 can be moved open and closed via the connecting slat.

[0051] (Configuration - Opening and closing body) The opening / closing body 50 is a shielding means that is moved open and closed by the winding shaft 40 to change the opening / closing state of the opening / closing body 50 to a fully open state, a fully closed state, or a half-open state. The opening / closing body 50 is configured using, for example, a known shutter curtain. Specifically, as shown in FIG. 3, the opening / closing body 50 is provided with a plurality of slats 51, and the plurality of slats 51 are fitted and connected to each other via fitting portions 52 formed on both the upper and lower ends of each slat 51.

[0052] In addition, each of the left and right ends of this opening / closing body 50 is inserted into the inside of the guide rail 20 via the open end 20c of the guide rail 20 described below, and is capable of sliding within the guide rail 20 in the vertical direction, and is restricted from falling out of the guide rail 20 in the front-to-back direction.

[0053] As shown in FIGS. 2 to 4, the opening / closing body 50 is provided with a seat plate 53, a slat side end member 54, a locking device 55, and a stopper 56.

[0054] (Configuration - Opening and closing body - Seat plate) The seat plate 53 is disposed so as to be adjacent to or in contact with the drain plate 12 in the fully closed state, and is formed over the entire length of the lower end of the opening / closing body 50 in the left-right direction.

[0055] (Configuration - Opening and closing body - Slat side end member) The slat side end members 54 are intended to reduce contact noise caused by contact between the slats 51 and the guide rails 20 when the opening / closing body 50 is in a fully closed state, a half-open state, or when the opening / closing body 50 is moving between an open state and an closed state. The slat side end members 54 are configured using known end members made of, for example, resin, and are provided on both left and right ends of each slat 51, as shown in Figures 4 and 7.

[0056] Specifically, as shown in Figure 7, it is arranged on the indoor side of the building in the slat 51 (specifically, it is arranged so that a part of the slat side end member 54 extends outward in the left-right direction from the slat 51), and is fixed to the slat 51 by a fixing device or the like.

[0057] (Configuration - Opening and closing body - Locking device) 2, the locking device 55 is a locking means for locking the opening / closing body 50, is attached to the base plate 53, and is configured using a known locking device for a window shutter. Specifically, as shown in Fig. 2, it is a link mechanism (not shown) provided in a housing made of a resin material, and includes a link mechanism that can bias a latch bar (described later) outward in the left-right direction, a pair of steel latch bars (not shown) that are connected to the link mechanism and arranged along the width direction, latches (not shown) provided at the left-right ends of the latch bars, and an operating portion 55a for operating the locking device 55.

[0058] Furthermore, the installation method of the locking device 55 is arbitrary, but in this embodiment, the operating unit 55a is disposed on one side of a pair of guide rails 20 provided opposite each other in the opening 3, at the end of the opening / closing body 50 in the closing direction. Specifically, as shown in Fig. 2, the operating unit 55a is disposed on the seat panel 53 on the side of the right guide rail 20b.

[0059] With this configuration of the locking device 55, when the opening / closing body 50 is moved to the closed position, and the opening / closing state of the opening 3 changes from the fully open state (or half-open state) to the fully closed state, the pair of latch bars automatically move outward in the left-right direction due to the biasing force of the link mechanism, and the latch engages with the latch receiver 27 shown in FIG. 5( a) provided on the inside of the guide rail 20 (specifically, the latch automatically moves over the latch receiver 27 to engage), thereby locking the opening / closing body 50. Furthermore, when the user performs an unlocking operation via the operating unit 55a (specifically, an operation of lifting the operating unit 55a upward) in the fully closed state (specifically, a state in which the latch and the latch receiver 27 are engaged), the latch bar moves inward in the left-right direction, and the latch disengages from the latch receiver 27, thereby unlocking the opening / closing body 50 and allowing it to be moved to the open position (that is, the unlocking operation allows the opening / closing body 50 to be unlocked and moved to the open position continuously).

[0060] (Configuration - Opening / closing body - Stopper) The stoppers 56 are restricting means that abut against the storage section 30 to restrict the lifting of the opening / closing body 50, and are formed, for example, from a resin material, and as shown in Figure 4, are provided near each of the two widthwise ends of the seat plate 53, and are fixed to the seat plate 53 via fixing devices.

[0061] (Configuration - Details of the configuration of the left vertical frame and right vertical frame) Next, we will explain the details of the configuration of the left vertical frame member 13 and the right vertical frame member 14. These left vertical frame member 13 and right vertical frame member 14 can be manufactured in any shape, by any method, and with any material, unless otherwise specified.

[0062] As shown in Figures 4 and 5, each of the left vertical frame member 13 and the right vertical frame member 14 has a frame member main body 15, a first frame member connecting piece 16, a second frame member connecting piece 17, and a frame member mounting piece 18.

[0063] (Configuration - Left vertical frame, right vertical frame configuration details - Frame body) The frame material main body 15 is the basic structure of the left vertical frame material 13 (or right vertical frame material 14), and as shown in Figures 4 and 5, it is arranged at the left and right ends of the drip board 12 so as to protrude from the periphery of the opening 3 toward the outside of the building, and is connected to the drip board 12 by fixing devices.

[0064] (Configuration - Details of the configuration of the left vertical frame and right vertical frame - First frame connection piece) The first frame member connection piece 16 is a side piece for connecting the left vertical frame member 13 (or right vertical frame member 14) and the guide rail 20, and is formed over the entire length of the left vertical frame member 13 (or right vertical frame member 14) in the opening / closing direction (up and down direction), and is arranged to protrude from the frame member main body 15 toward the outside of the building, as shown in Figures 4 and 5.

[0065] (Configuration - Left vertical frame, right vertical frame configuration details - Second frame connection piece) The second frame member connection piece 17 is a side piece for connecting the left vertical frame member 13 (or right vertical frame member 14) and the guide rail 20, and has an L-shaped cross-sectional shape along the XY plane.As shown in Figures 4 and 5, it is arranged to protrude inward in the width direction from the frame member main body 15.

[0066] (Configuration - Details of the configuration of the left vertical frame and right vertical frame - Frame mounting piece) The frame material mounting piece 18 is a side piece for attaching the left vertical frame material 13 (or right vertical frame material 14) to the main body 2, and as shown in Figures 4 and 5, it is arranged to protrude outward in the left and right directions from the indoor end of the building in the frame material main body 15, and is fixed to the main body 2 by a fixing device or the like.

[0067] (Configuration - Details of the left vertical frame and right vertical frame - Other configurations) Furthermore, the method of forming the left vertical frame material 13 (or right vertical frame material 14) is arbitrary, but in this embodiment, the frame material main body 15, the first frame material connecting piece 16, the second frame material connecting piece 17, and the frame material mounting piece 18 are integrally formed by extrusion molding of aluminum material.

[0068] (Configuration - Guide rail configuration details) Returning to Fig. 4, next, a detailed description will be given of the configuration of the guide rail 20. Unless otherwise specified, the guide rail 20 can be manufactured in any shape, by any method, and with any material.

[0069] As shown in FIGS. 4 and 5, the guide rail 20 includes a guide rail main body 21, a first guide rail connecting piece 22, a second guide rail connecting piece 23, a sound absorbing member 24, a swallowing guide 25, and a rail cap 26.

[0070] (Configuration - Guide rail configuration details - Guide rail body) Returning to Figure 2, the guide rail main body 21 accommodates the left and right ends of the opening / closing body 50, and as shown in Figures 2 and 7, the upper end of the guide rail main body 21 is positioned lower than the left bracket member 33 (or right bracket member 35) of the storage section 30 described later.

[0071] In addition, this guide rail main body 21 is a plate-like body whose cross-sectional shape along the XY plane is approximately C-shaped and opens inward in the width direction, and is formed over the entire length of the opening 3 in the opening / closing direction (up and down direction).

[0072] Specifically, as shown in Figures 4 and 5, the guide rail main body 21 has a first guide rail surface portion 21a located on the outdoor side of the building, a second guide rail surface portion 21b located on the indoor side of the building, and a third guide rail surface portion 21c connecting the first guide rail surface portion 21a and the second guide rail surface portion 21b.

[0073] Since the inner end portion in the left-right direction of the guide rail main body portion 21 is open, this end portion 20c will be referred to as the "open end portion 20c of the guide rail 20" below.

[0074] (Configuration - Guide rail configuration details - First guide rail connecting piece) The first guide rail connection piece 22 is a side piece for connecting the guide rail 20 to the left vertical frame member 13 (or right vertical frame member 14), and as shown in Figures 4 and 5, is arranged to protrude from the guide rail main body 21 toward the indoor side of the building, and is connected to the first frame member connection piece 16 by an engagement structure or the like.

[0075] (Configuration - Guide rail configuration details - Second guide rail connecting piece) The second guide rail connection piece 23 is a side piece for connecting the guide rail 20 to the left vertical frame member 13 (or right vertical frame member 14), and as shown in Figures 4 and 5, it is arranged to protrude from the guide rail main body 21 toward the indoor side of the building, inside the left-right direction of the first guide rail connection piece 22, and is connected to the second frame member connection piece 17 by a fixing device or the like.

[0076] (Configuration - Guide rail configuration details - Swallowing guide) The intake guide 25 is for guiding the opening / closing body 50 from either the winding shaft 40 or the guide rail 20 to the other. As shown in Figures 5(a) and 5(b), the intake guide 25 is provided at the upper end of the guide rail main body 21, and is provided so that a part of the intake guide 25 is stored in the storage section 30, and includes a first intake guide piece 25a and a second intake guide piece 25b.

[0077] Of these, the first intake guide piece 25a is made of a steel plate whose side shape curves upward toward the exterior of the building and whose left-right length is shorter than that of the guide rail 20, and is provided on the first guide rail surface portion 21a of the guide rail 20. Specifically, as shown in FIG. 5(b), the first intake guide piece 25a is disposed so that its inner left-right end is flush with the inner left-right end of the guide rail 20.

[0078] Second intake guide piece 25b is made of a steel plate whose side shape curves toward the interior of the building as it extends upward, and whose left-right length is shorter than that of guide rail 20, and is provided on second guide rail surface portion 21b of guide rail 20. Specifically, second intake guide piece 25b is disposed so that its inner left-right end is flush with the inner left-right end of guide rail 20.

[0079] Furthermore, the method for forming the swallowing guide 25 is arbitrary, but in this embodiment, the swallowing guide 25 and the guide rail 20 are integrally formed by extruding aluminum. However, this is not limiting, and for example, the swallowing guide 25 and the guide rail 20 may be formed separately and then connected by welding or a fixture or the like.

[0080] (Configuration - Guide rail configuration details - Sound deadening material) 4, the sound deadening member 24 is a member for reducing contact noise when the guide rail 20 comes into contact with the opening / closing body 50. This sound deadening member 24 is made of, for example, a known sound deadening member (one example is a sound deadening member made of resin, mohair, etc.), is formed over the entire length of the guide rail 20 in the opening / closing direction (vertical direction), and is provided at the inner end in the left-right direction of each of the first guide rail surface portion 21a and the second guide rail surface portion 21b, as shown in FIG.

[0081] (Configuration - Guide rail configuration details - Rail cap) Returning to Fig. 3, the rail cap 26 is intended to protect the lower end of the guide rail 20. This rail cap 26 is configured using, for example, a known resin cap member, and as shown in Figs. 3 and 5, is provided so as to cover almost the entire lower end of the guide rail 20, and is fixed to the guide rail 20 by a fixture or the like.

[0082] (Configuration - Storage section configuration details) 1, next, a detailed description will be given of the configuration of the storage section 30. Unless otherwise specified, the storage section 30 can be manufactured in any shape, by any method, and with any material.

[0083] As shown in Figures 1, 3, and 4, the storage section 30 includes an upper case plate 31, a front case plate 32, a rear case plate 38, a left bracket member 33, a left side cap 34, a right bracket member 35, and a right side cap 36.

[0084] (Configuration - Storage section configuration details - Upper case plate) The upper case plate 31 is intended to cover the upper portion of the storage space of the storage section 30 and the outdoor portion of the building (front portion), and is, for example, a steel plate-like body, and is provided over approximately the entire length of the storage section 30 in the left-right direction, as shown in Figure 3.

[0085] (Configuration - Storage section configuration details - Front case panel) The front case plate 32 is intended to cover the outdoor portion of the building (front portion) and the lower portion of the storage space of the storage section 30, and is, for example, a steel plate-like body. As shown in Figure 3, it is located below the upper case plate 31 and extends over approximately the entire length of the storage section 30 in the left-right direction.

[0086] (Configuration - Frame - Rear case plate) The rear case plate 38 is intended to cover the indoor portion of the building (rear portion) and the lower portion of the storage space of the storage section 30, and is, for example, a steel plate-like body. As shown in Figure 3, it is located closer to the indoor side of the building than the front case plate 32 and lower than the upper case plate 31, and is located over almost the entire length of the storage section 30 in the left-right direction.

[0087] (Configuration - Storage section configuration details - Left side bracket member) The left side bracket member 33 is a bracket member for covering the left side portion of the storage space, and as shown in Figure 4, is connected to the main body 2 by a fixing device or the like via the third left side bracket surface portion 33c described below.

[0088] 4, the left-side bracket member 33 includes a first left-side bracket surface portion 33a located on the left side of the accommodation space, a second left-side bracket surface portion 33b protruding inward in the left-right direction from a front end portion of the first left-side bracket surface portion 33a, a third left-side bracket surface portion 33c protruding outward in the left-right direction from a rear end portion of the first left-side bracket surface portion 33a, a fourth left-side bracket surface portion (not shown) protruding inward in the left-right direction from a lower end portion of the first left-side bracket surface portion 33a (however, a portion of the fourth left-side bracket surface portion corresponding to the left guide rail 20a is cut out), and a fifth left-side bracket surface portion (not shown) protruding inward in the left-right direction from an upper end portion of the first left-side bracket surface portion 33a.

[0089] (Configuration - Storage compartment configuration details - Left side cap) The left side cap 34 is a side cap for covering the left bracket member 33, and as shown in Figure 4, is arranged to cover almost the entire left bracket member 33 from the outside, and is connected to the main body 2 by a fixing device or the like via the third left side cap piece 34c described below.

[0090] 4, the left side cap 34 includes a first left side cap piece 34a located on the left side of the first left bracket surface portion 33a, a second left side cap piece 34b protruding inward in the left-right direction from the front end of the first left side cap piece 34a, a third left side cap piece 34c protruding outward in the left-right direction from the rear end of the first left side cap piece 34a, a fourth left side cap piece (not shown) protruding inward in the left-right direction from the upper end of the first left side cap piece 34a, and a fifth left side cap piece (not shown) protruding inward in the left-right direction from the lower end of the first left side cap piece 34a.

[0091] (Configuration - Storage section configuration details - Right side bracket member) The right-side bracket member 35 is a bracket member for covering the right-side portion of the storage space, and as shown in Figure 4, is connected to the main body 2 by a fixing device or the like via the third right-side bracket surface portion 35c described below.

[0092] Furthermore, the right-side bracket member 35 is configured in substantially the same manner as the left-side bracket member 33, and specifically, as shown in FIG. 4, includes a first right-side bracket surface portion 35a, a second right-side bracket surface portion 35b, a third right-side bracket surface portion 35c, a fourth right-side bracket surface portion (not shown), and a fifth right-side bracket surface portion (not shown).

[0093] (Configuration - Storage compartment configuration details - Right side cap) The right side cap 36 is a side cap for covering the right bracket member 35, and as shown in Figures 3 and 4, it is arranged to cover almost the entire right bracket member 35 from the outside, and is connected to the main body 2 by a fixing device or the like via the third right cap piece 36c described below.

[0094] Furthermore, the right side cap 36 is configured in a manner substantially similar to that of the left side cap 34, and specifically, as shown in Figures 3 and 4, it includes a first right side cap piece 36a, a second right side cap piece 36b, a third right side cap piece 36c, a fourth right side cap piece 36d, and a fifth right side cap piece 36e.

[0095] (Configuration - Storage section configuration details - Other configurations) The specific configurations of the storage section 30 and the guide rail 20 are arbitrary, but in the embodiment, the storage section 30, the left guide rail 20a, and the right guide rail 20b are configured so that the projected surface portion of the left guide rail 20a (specifically, the third guide rail surface portion 21c) and the projected surface portion of the left bracket (specifically, the first left bracket surface portion 33a) are flush with each other, and the projected surface portion of the right guide rail 20b (specifically, the third guide rail surface portion 21c) and the projected surface portion of the right bracket (specifically, the first right bracket surface portion 35a) are flush with each other.

[0096] Specifically, as shown in FIG. 4, the left-right length of the storage section 30 is set to be approximately the same as the distance between the first left-side bracket surface portion 33a and the first right-side bracket surface portion 35a.

[0097] In addition, the storage section 30, the left guide rail 20a, and the right guide rail 20b are arranged so that, in a plan view, the third guide rail surface portion 21c of the left guide rail 20a overlaps with the first left bracket surface portion 33a, and the third guide rail surface portion 21c of the right guide rail 20b overlaps with the first right bracket surface portion 35a.

[0098] 2, the storage unit 30 and the left guide rail 20a are arranged so that the lower end of the first left bracket surface portion 33a is located below the upper end of the intake guide 25 of the left guide rail 20a, and a gap (for example, a gap of about 1 mm to 2 mm) is generated between the third guide rail surface portion 21c of the left guide rail 20a and the first left bracket surface portion 33a. Also, as shown in FIGS. 2 and 7, the storage unit 30 and the right guide rail 20b are arranged so that the lower end of the first right bracket surface portion 35a is located below the upper end of the intake guide 25 of the right guide rail 20b, and a gap (for example, a gap of about 1 mm to 2 mm) is generated between the third guide rail surface portion 21c of the right guide rail 20b and the first right bracket surface portion 35a.

[0099] This allows the width (length in the left-right direction) of the storage section 30 including the left bracket member 33 and the right bracket member 35 to be shortened, and the storage section 30 can be made more compact.

[0100] (Configuration - auxiliary structure of opening and closing body) Returning to FIG. 2, the auxiliary structure of the opening / closing body 50 will now be described.

[0101] The opening / closing device 1 is provided with an auxiliary structure for assisting the opening / closing movement of the opening / closing body 50, which can be opened and closed in accordance with the rotation of the winding shaft 40 rotatably supported on bracket members (specifically, the left bracket member 33 and the right bracket member 35) provided on the opening direction side (specifically, the upper side) of the opening 3 of the opening / closing body 50, and the features of this auxiliary structure are as follows in the embodiment.

[0102] (Configuration - Auxiliary structure of opening and closing body - First feature) First, as a first feature of the auxiliary structure of the opening / closing body 50, the auxiliary structure includes an auxiliary portion 60 as shown in FIGS.

[0103] (Configuration - Auxiliary structure of opening and closing body - Auxiliary part) The auxiliary part 60 is an auxiliary means for assisting the opening movement of the opening / closing body 50 while preventing the widthwise end (specifically, the left-right end) of the opening / closing body 50 from coming into contact with the end face 37 (hereinafter referred to as the "first end face 37") on the closing direction side of the opening / closing body 50 of the bracket member (specifically, the left bracket member 33, the right bracket member 35) when the opening / closing body 50 is moved in the opening direction, and is provided on the part of the guide rail 20 on the opening direction side of the opening / closing body 50.

[0104] Here, in the embodiment, the "first end surface 37" refers to the portion of the lower end surface of the first left-side bracket surface portion 33a of the left-side bracket member 33 or the first right-side bracket surface portion 35a of the right-side bracket member 35 that corresponds to the third guide rail surface portion 21c of the guide rail 20 or a nearby portion thereof.

[0105] Specifically, the auxiliary part 60 is provided on at least one of the left guide rail 20a and the right guide rail 20b that is located on the locking device 55 side. More specifically, as shown in FIGS. 2 to 5, the auxiliary part 60 is provided only on the upper portion of the right guide rail 20b. In more detail, the auxiliary part 60 is disposed at the end (specifically, the upper end) of the right guide rail 20b in the opening direction of the opening-closing body 50 so as to be adjacent to the first end face 37 of the first right bracket surface part 35a of the right bracket member 35 (specifically, the portion of the lower end face of the first right bracket surface part 35a that corresponds to the third guide rail surface part 21c of the right guide rail 20b).

[0106] With this arrangement, compared to when the auxiliary part 60 is arranged in a portion of the right guide rail 20b closer to the closing side than the end of the opening-closing body 50 in the opening direction, it is possible to accurately prevent the widthwise end of the opening-closing body 50 from coming into contact with the first end face 37 of the right bracket member 35, thereby enabling smooth opening movement of the opening-closing body 50. Furthermore, for example, when a user performs an unlocking operation on the locking device 55 and manually opens the opening-closing body 50 while holding the operation part 55a (or the part of the closing direction end (seat plate 53) of the opening-closing body 50 that is on the operation part 55a side of the locking device 55), the opening-closing body 50 tilts with respect to the opening and closing direction, so that the visible surface part (third guide rail surface part 21c) of the right guide rail 20b is pressed by the opening-closing body 50 and the visible surface part bends outward in the width direction, which makes it easier for the widthwise end of the opening-closing body 50 to come into contact with the first end face 37 of the right bracket member 35, but this contact can be prevented by the auxiliary part 60. Therefore, a series of operations including the unlocking operation of the locking device 55 and the opening movement of the opening / closing body 50 can be performed smoothly.

[0107] As shown in FIGS. 2 to 5, the auxiliary part 60 includes a main body part 70 and a connection part 80. As shown in FIGS.

[0108] (Configuration - Auxiliary structure of opening / closing body - Auxiliary part - Main body part) The main body 70 is a basic structure of the auxiliary part 60, and is a part that comes into contact with the end of the opening / closing body 50 in the width direction (specifically, the right end of the opening / closing body 50). The main body 70 is formed of a substantially rectangular plate-like body, and as shown in Figures 3 to 5, is provided inside the right guide rail 20b so that the main surface of the main body 70 (specifically, the outer main surface in the left-right direction) comes into contact with the third guide rail surface portion 21c of the right guide rail 20b.

[0109] The "principal surface" refers to the main surface of a structure such as the main body 70, and typically corresponds to the surface with the largest area.

[0110] Furthermore, the specific size of the main body 70 is arbitrary, but in this embodiment it is set as follows.

[0111] That is, the left-right length (thickness) of the main body 70 is set to a length that can assist the opening movement of the opening-closing body 50 while preventing the right end of the opening-closing body 50 (specifically, the slat side end member 54) from coming into contact with the first end face 37 of the right bracket member 35. Specifically, as shown in FIGS. 4 and 5, the length is set to be longer than the left-right length (thickness) of the first right bracket surface portion 35a of the right bracket member 35, and may be set to about 3 mm to 5 mm, for example. However, the length is not limited to this, and may be set to a length that is less than 3 mm or more than 5 mm, for example.

[0112] As shown in FIGS. 4 and 5, the length of the main body 70 in the front-rear direction is set to be the same as or slightly shorter than the length of the third guide rail surface portion 21c of the right guide rail 20b in the front-rear direction.

[0113] As shown in FIGS. 3 and 5, the vertical length of the main body 70 is set to be shorter than the vertical length of the third guide rail surface portion 21c of the right guide rail 20b.

[0114] (Configuration - Auxiliary structure of opening / closing body - Auxiliary part - Connection part) The connection part 80 is a connection means for connecting the main body part 70 to the guide rail 20. As shown in Figures 3 to 5, this connection part 80 is provided on the inside of the right guide rail 20b, and includes a first connection part 81 and a second connection part 82.

[0115] (Configuration - Auxiliary structure of opening / closing body - Auxiliary part - Connection part - First connection part) The first connection portion 81 is a first connection means for connecting the main body 70 to the first guide rail surface portion 21a of the right guide rail 20b. This first connection portion 81 is formed of a substantially rectangular plate-like body, and as shown in Figures 3 to 5, is provided on the inside of the right guide rail 20b so that the main surface of the first connection portion 81 (specifically, the outer main surface in the front-rear direction) abuts against the first guide rail surface portion 21a of the right guide rail 20b.

[0116] Furthermore, the specific size of the first connection portion 81 is arbitrary, but in this embodiment it is set as follows.

[0117] That is, the length of the first connecting portion 81 in the left-right direction is set to be shorter than the length of the first guide rail surface portion 21a of the right guide rail 20b in the left-right direction, as shown in FIGS.

[0118] 4 and 5, the length (thickness) of the first connecting portion 81 in the front-rear direction is set to be longer than the length (thickness) of the first guide rail surface portion 21a of the right guide rail 20b in the front-rear direction. However, this is not limiting, and the length may be set to be, for example, equal to or shorter than the length of the first guide rail surface portion 21a of the right guide rail 20b in the front-rear direction.

[0119] As shown in FIGS. 3 and 5, the vertical length of the first connecting portion 81 is set to be shorter than the vertical length of the first guide rail surface portion 21a of the right guide rail 20b.

[0120] (Configuration - auxiliary structure of opening / closing body - auxiliary part - connection part - second connection part) The second connection portion 82 is a second connection means for connecting the main body 70 to the second guide rail surface portion 21b of the right guide rail 20b. The second connection portion 82 is formed of a substantially rectangular plate-like body, and as shown in Figures 3 to 5, is provided on the inside of the right guide rail 20b so that the main surface of the second connection portion 82 (specifically, the outer main surface in the front-rear direction) abuts against the second guide rail surface portion 21b of the right guide rail 20b.

[0121] Furthermore, the specific size of the second connection portion 82 is arbitrary, but in this embodiment it is set as follows.

[0122] That is, the left-right length of the second connection portion 82 is set to be shorter than the left-right length of the second guide rail surface portion 21b of the right guide rail 20b, and longer than the left-right length of the first connection portion 81, as shown in Figures 4 and 5.

[0123] 4 and 5, the length (thickness) of the second connecting portion 82 in the front-rear direction is set to be longer than the length (thickness) of the second guide rail surface portion 21b of the right guide rail 20b in the front-rear direction. However, this is not limiting, and the length may be set to be, for example, equal to or shorter than the length of the second guide rail surface portion 21b of the right guide rail 20b in the front-rear direction.

[0124] As shown in FIGS. 3 and 5, the vertical length of the second connecting portion 82 is set to be shorter than the vertical length of the second guide rail surface portion 21b of the right guide rail 20b.

[0125] (Configuration - Auxiliary structure of opening / closing body - Auxiliary part - Other configurations) Furthermore, the method for forming the auxiliary portion 60 is arbitrary, but in this embodiment, the auxiliary portion 60 is formed separately from the right guide rail 20b, and at least the main body portion 70 of the auxiliary portion 60 is formed from a sound-absorbing material.

[0126] Here, the "sound-deadening material" refers to a material that can reduce the contact noise that occurs when the auxiliary part 60 comes into contact with the opening / closing body 50 (specifically, the slat side end member 54), and is preferably a material that can reduce the contact noise and also increase the sliding properties with the opening / closing body 50. Examples of such a material include synthetic resin materials (e.g., polyamide 6, nylon 6, or polycaprolactam), rubber materials other than synthetic resin materials, and the like.

[0127] Specifically, the main body 70 and the connection portion 80 may be integrally formed from a synthetic resin material using a known resin molding method (for example, injection molding).

[0128] This reduces the contact noise that occurs when the auxiliary part 60 and the opening / closing body 50 come into contact with each other, thereby improving the usability of the auxiliary part 60.

[0129] However, the present invention is not limited to this, and the main body portion 70 and the connection portion 80 may be formed integrally (or separately) from a material other than the sound deadening material (for example, a metal material such as steel).

[0130] Furthermore, the method of connecting the auxiliary portion 60 and the right guide rail 20b is arbitrary, but in the embodiment, the first connection portion 81 is connected to the first guide rail surface portion 21a of the right guide rail 20b, and the second connection portion 82 is connected to the second guide rail surface portion 21b of the right guide rail 20b.

[0131] Specifically, as shown in Figures 4 and 5, the inner end in the left-right direction of the first connection portion 81 is engaged with a guide rail side engagement portion 83 provided on the first guide rail surface portion 21a of the right guide rail 20b, and the second connection portion 82 is connected to the second guide rail surface portion 21b by a fixing device or the like via an attachment hole 84 formed in the second connection portion 82 and the second guide rail surface portion 21b of the right guide rail 20b.

[0132] This allows the auxiliary part 60 to be firmly connected to the right-side guide rail 20b while ensuring the functionality of the auxiliary part 60, thereby improving the attachability of the auxiliary part 60. Furthermore, compared to when the first connection part 81 is connected to the first guide rail surface part 21a with a fixture, it is possible to avoid exposing the fixture to the outside, making it easier to maintain the design of the right-side guide rail 20b.

[0133] However, this is not limited to this, and the connection may be made, for example, by connecting the first connection portion 81 to the right guide rail 20b using a fixing device or the like, and connecting the second connection portion 82 to the second guide rail surface portion 21b using a fixing device or the like via an attachment hole 84 formed in the second connection portion 82 and the second guide rail surface portion 21b of the right guide rail 20b.

[0134] With such a configuration of the auxiliary part 60, the auxiliary part 60 can be configured relatively easily, and the manufacturability of the auxiliary part 60 can be improved.

[0135] The first feature described above makes it possible to prevent the right end of the opening-closing body 50 from coming into contact with the first end face 37 of the right-side bracket member 35 when the opening-closing body 50 is moved to open. This allows the opening-closing body 50 to move smoothly, improving the usability of the opening-closing body 50. In particular, when the projected surface of the right guide rail 20b and the projected surface of the right-side bracket member 35 are flush with each other, it is possible to prevent the right end of the opening-closing body 50 from coming into contact with the first end face 37 of the right-side bracket member 35 when the opening-closing body 50 is moved to open, making it possible to move the opening-closing body 50 to open even more smoothly.

[0136] (Configuration - Auxiliary structure of opening and closing body - Second feature) Next, as for the second feature of the auxiliary structure of the opening / closing body 50, by having the auxiliary part 60 protrude further toward the opening direction of the opening / closing body 50 than the end face 28 (hereinafter referred to as the "second end face 28") of the guide rail 20 on the opening direction side of the opening / closing body 50, it is possible to assist the closing movement of the opening / closing body 50 while avoiding the widthwise end (specifically, the left and right end) of the opening / closing body 50 coming into contact with the second end face 28 when the opening / closing body 50 is moved in the closing direction.

[0137] Here, in the embodiment, the "second end surface 28" refers to the portion of the upper end surface of the guide rail main body portion 21 of the guide rail 20 where the swallowing guide 25 is not provided, such as the upper end surface of the third guide rail surface portion 21c, or the portion of the upper end surface of the first guide rail surface portion 21a or the second guide rail surface portion 21b near the third guide rail surface portion 21c, etc.

[0138] 5(b) and 7, the main body 70 of the auxiliary part 60 is configured so that the upper end of the main body 70 protrudes by a length L (hereinafter referred to as "protrusion length L") above the second end face 28 of the right guide rail 20b (specifically, the upper end face of the third guide rail surface portion 21c of the right guide rail 20b). More specifically, the vertical length of the main body 70 is set to about 15 mm to 25 mm.

[0139] Furthermore, the method for setting the protruding length L is arbitrary, but in the embodiment, it is set to a length that does not interfere with the opening and closing movement of the opening-closing body 50 and can assist the closing movement of the opening-closing body 50. Specifically, it is set to be shorter than the length of the gap provided between the third guide rail surface portion 21c of the right guide rail 20b and the first right bracket surface portion 35a, and may be set to, for example, about 0.5 mm to 1 mm.

[0140] This second feature makes it possible to prevent the right end of the opening-closing body 50 from coming into contact with the second end surface 28 of the right guide rail 20b when the opening-closing body 50 is moved to the closed position. This allows the opening-closing body 50 to move smoothly to the closed position, further improving the usability of the opening-closing body 50.

[0141] However, the present invention is not limited to this, and the main body 70 may be configured, for example, so that the upper end of the main body 70 does not protrude from the second end surface 28 of the right guide rail 20b. As an example, the vertical length of the main body 70 may be set so that the upper end of the main body 70 is flush with the second end surface 28 of the right guide rail 20b.

[0142] (Configuration - Auxiliary structure of opening and closing body - Third feature) Returning to Figure 5, next, regarding the third feature of the auxiliary structure of the opening / closing body 50, as shown in Figures 5 and 6, the auxiliary part 60 (specifically, the main body part 70) has a first contact part 71, a second contact part 72, and a third contact part 73.

[0143] (Configuration - Auxiliary structure of opening / closing body - Third feature - First contact part) The first contact portion 71 is a part of the basic structure of the main body portion 70, and as shown in FIGS. 5 and 6, is provided on the upper side of the main body portion 70 and has a first curved surface 71a.

[0144] The first curved surface 71a is a curved surface that comes into contact with the widthwise end of the opening-closing body 50 (specifically, the left-right end) when the opening-closing body 50 is moved to close, and is provided over the entire inner left-right main surface of the main surface of the first contact portion 71. Specifically, as shown in Fig. 6(a), the first curved surface 71a is formed in a substantially curved shape so that the first curved surface 71a approaches the outer left-right main surface of the first contact portion 71 as it extends upward (that is, the length (thickness) of the first contact portion 71 in the left-right direction is set to become shorter as it extends upward).

[0145] (Configuration - Auxiliary structure of opening / closing body - Third feature - Second contact part) Returning to Figure 5, the second contact portion 72 is another part of the basic structure of the main body portion 70, and as shown in Figures 5 and 6, is provided on the lower side of the main body portion 70 and has a second curved surface 72a.

[0146] The second curved surface 72a is a curved surface that comes into contact with the widthwise end of the opening-closing body 50 (specifically, the left-right end) when the opening-closing body 50 is moved to open, and is provided so that the inner main surface in the left-right direction of the main surfaces of the second contact portion 72 is arranged substantially along the YZ plane. Specifically, as shown in Fig. 6(a), the second curved surface 72a is formed in a substantially curved shape so that the second curved surface 72a approaches the outer main surface in the left-right direction of the second contact portion 72 as it extends downward (that is, the length (thickness) of the second contact portion 72 in the left-right direction is set to become shorter as it extends downward).

[0147] (Configuration - Auxiliary structure of opening / closing body - Third feature - Third contact part) Returning to Figure 5, the third contact portion 73 is another part of the basic structure of the main body portion 70, and as shown in Figures 5 and 6, is provided between the first contact portion 71 and the second contact portion 72, and has a flat surface 73a.

[0148] This flat surface 73a is the surface that comes into contact with the widthwise end (specifically, the left-right end) of the opening / closing body 50 when the opening / closing body 50 is moved open or closed, and as shown in Figure 6(a), it is provided over the entire inner left-right main surface of the main surface of the third contact portion 73 (in other words, the left-right length (thickness) of the third contact portion 73 is set to be approximately uniform over the vertical direction).

[0149] (Configuration - Auxiliary structure of opening and closing body - Third feature - Other) Furthermore, the specific configurations of the first curved surface 71a and the second curved surface 72a are arbitrary, but in this embodiment, the radius of curvature of the first curved surface 71a is set to be larger than the radius of curvature of the second curved surface 72a, as shown in Fig. 6(a). For example, the radius of curvature of the first curved surface 71a may be set to be approximately three to five times the radius of curvature of the second curved surface 72a.

[0150] With this configuration, the opening / closing body 50 can be smoothly moved to close even when it is difficult to apply momentum to the opening / closing body 50, thereby improving the usability of the opening / closing body 50.

[0151] However, the present invention is not limited to this, and for example, the radius of curvature of the first curved surface 71a may be set to be equal to or smaller than the radius of curvature of the second curved surface 72a.

[0152] With this third feature, the opening / closing body 50 can be smoothly opened and closed while the main body 70 is simply configured, and the usability of the auxiliary part 60 can be improved.

[0153] However, the present invention is not limited to this, and for example, the third contact portion 73 may be omitted. Alternatively, the entire main surface of the main body portion 70 on the inner side in the left-right direction may be formed to be substantially flat.

[0154] (Configuration - Auxiliary structure of opening and closing body - Fourth feature) Returning to Figure 5, next, regarding the fourth feature of the auxiliary structure of the opening / closing body 50, as shown in Figures 5 and 6, the connection portion 80 (first connection portion 81, second connection portion 82) is positioned on the closing direction side of the opening / closing body 50 (specifically, on the downward side) relative to the main body portion 70.

[0155] 6, the first connection portion 81 is arranged to protrude downward from the front end portion of the main body portion 70 and protrude further inward in the left-right direction than the main body portion 70. The second connection portion 82 is arranged to protrude downward from the rear end portion of the main body portion 70 and protrude further inward in the left-right direction than the main body portion 70.

[0156] Due to this fourth feature, it is easier to avoid the connection part 80 from interfering with the opening and closing movement of the opening-closing body 50, compared to when the position of the connection part 80 in the opening and closing direction (specifically, the position in the up and down direction) and the position of the main body part 70 in the opening and closing direction are the same. Furthermore, for example, when the main body part 70 is made to protrude further in the opening direction of the opening-closing body 50 than the second end face 28 of the right guide rail 20b, even if the protrusion amount is relatively large, the auxiliary part 60 can be reliably connected to the right guide rail 20b via the connection part 80. From the above, it is possible to improve the usability of the auxiliary part 60.

[0157] However, the present invention is not limited to this, and the connection portion 80 may be disposed so that the position of the connection portion 80 in the opening / closing direction is the same as the position of the main body portion 70 in the opening / closing direction.

[0158] (Function of auxiliary structure of opening and closing body) Next, the operation of the auxiliary structure of the opening / closing body 50 configured in this manner will be described.

[0159] The action of the auxiliary structure of the opening-closing body 50 is roughly divided into an action when the opening-closing body 50 moves to open (hereinafter referred to as the "opening action") and an action when the opening-closing body 50 moves to close (hereinafter referred to as the "closing action"). Below, the opening action and the closing action will be described separately.

[0160] (Action of auxiliary structure of opening and closing body - Opening action) First, the opening action will be described.

[0161] Here, the opening action will be described on the assumption that the opening 3 is in a fully closed state and the opening / closing body 50 is locked by the locking device 55.

[0162] For example, first, the user opens the window body on the locking device 55 side of the pair of window bodies, and then performs the unlocking operation on the locking device 55, and manually moves the opening / closing body 50 to open while holding the operating part 55a (or the part of the end (seat panel 53) on the closing direction side of the opening / closing body 50 that is on the operating part 55a side of the locking device 55), and as shown in Figure 7, the opening movement is performed while maintaining a state in which the slat side end member 54 provided on the slat 51 of the opening / closing body 50 is in contact with the third guide rail surface portion 21c of the right guide rail 20b (hereinafter referred to as the "first contact state").

[0163] Next, when the opening / closing body 50 is further moved to open, the contact state of the slat side end member 54 transitions from the first contact state to a state (hereinafter referred to as the "second contact state") in which the slat side end member 54 and the second curved surface 72a of the auxiliary portion 60 are in contact. As a result, the slat 51 moves inward in the left-right direction (specifically, toward the left), and the slat 51 moves away from the third guide rail surface portion 21c of the right guide rail 20b.

[0164] Next, when the opening / closing body 50 is further moved to open, the contact state of the slat side end member 54 transitions from the second contact state to a state (hereinafter referred to as the "third contact state") in which the slat side end member 54 is in contact with the flat surface 73a of the auxiliary part 60. As a result, the opening / closing body 50 moves to open while maintaining the slat 51 spaced apart from the third guide rail surface portion 21c of the right guide rail 20b.

[0165] Subsequently, when the opening / closing body 50 is further moved in the open direction, the slat side end member 54 continues to move in the open direction without contacting the first end face 37 of the right bracket member 35, and the contact state of the slat side end member 54 changes from the third contact state to a state in which it is not in contact with the first right bracket surface portion 35a of the right bracket member 35 in the storage section 30 (hereinafter referred to as the "first non-contact state") or to a state in which it is in contact with the first right bracket surface portion 35a (hereinafter referred to as the "fourth contact state"). As a result, the slat 51 is stored in the storage section 30. In particular, since the auxiliary section 60 is provided at the upper end section of the right guide rail 20b, when the contact state of the slat side end member 54 is shifted from the third contact state to the first non-contact state (or the fourth contact state), it is easy to maintain the slat 51 spaced apart from the third guide rail surface section 21c of the right guide rail 20b, and therefore it is possible to accurately prevent the slat side end member 54 from contacting the first end face 37 of the right bracket member 35.

[0166] Due to the above-described opening action, when the opening / closing body 50 is moved open, the opening / closing body 50 can be moved open smoothly while avoiding contact between the slat side end member 54 and the first end face 37 of the right side bracket member 35.

[0167] In particular, as shown in Figure 7, even when the opening / closing body 50 tilts relative to the opening / closing direction during its opening movement, causing the third guide rail surface portion 21c of the right guide rail 20b to be pressed by the opening / closing body 50 and causing the third guide rail surface portion 21c to bend outward in the width direction, as described above, the left-right length of the main body portion 70 is set longer than the left-right length of the first right bracket surface portion 35a of the right bracket member 35, making it easier to avoid the slat side end member 54 coming into contact with the first end face 37 of the right bracket member 35.

[0168] (Function of auxiliary structure of opening and closing body - Closing action) Next, the closing action will be described.

[0169] Here, the closing action will be described on the assumption that the opening 3 is in a fully open state.

[0170] For example, first, the user opens the window body on the locking device 55 side of the pair of window bodies, and then manually moves the opening / closing body 50 to the closed position while holding the portion of the base plate 53 of the opening / closing body 50 that is on the operating part 55a side of the locking device 55. As shown in Figure 8, the closing movement is performed while maintaining the fourth contact state.

[0171] Next, when the opening / closing body 50 is further moved in the closing direction, the closing movement continues without the slat side end member 54 coming into contact with the second end face 28 of the right guide rail 20b, and the contact state of the slat side end member 54 transitions from the fourth contact state to a state (hereinafter referred to as the "fifth contact state") in which the slat side end member 54 comes into contact with the first curved surface 71a of the auxiliary part 60. As a result, the slat 51 moves inward in the left-right direction (specifically, toward the left), and thereby moves away from the third guide rail surface portion 21c of the right guide rail 20b.

[0172] Next, when the opening / closing body 50 is further moved in the closing direction, the contact state of the slat side end member 54 transitions from the fourth contact state to the third contact state, whereby the opening / closing body 50 moves in the closing direction while maintaining the slat 51 spaced apart from the third guide rail surface portion 21c of the right guide rail 20b.

[0173] Subsequently, when the opening / closing body 50 is further moved in the closing direction, the contact state of the slat side end member 54 transitions from the third contact state to a state in which the slat side end member 54 is not in contact with the third guide rail surface portion 21c of the right guide rail 20b (hereinafter referred to as a "second non-contact state") or to the first contact state. As a result, the slat 51 moves in the closing direction via the left guide rail 20a and the right guide rail 20b.

[0174] Due to the above-described closing action, when the opening / closing body 50 is moved to the closing position, the slat side end member 54 can be prevented from coming into contact with the second end face 28 of the right guide rail 20b, thereby enabling the opening / closing body 50 to be moved to the closing position smoothly.

[0175] In particular, as shown in Figure 8, even when the first right bracket surface portion 35a of the right guide rail 20b is positioned further outward in the left-right direction than the third guide rail surface portion 21c of the right guide rail 20b during the closing movement of the opening / closing body 50, as described above, the upper end portion of the main body portion 70 protrudes upward above the second end surface 28 of the right guide rail 20b, making it easier to avoid the slat side end member 54 coming into contact with the second end surface 28 of the right guide rail 20b.

[0176] (effect) As described above, according to the embodiment, the auxiliary portion 60 is provided on the portion of the guide rail 20 on the opening direction side of the opening-closing body 50, and assists the opening movement of the opening-closing body 50 while preventing the widthwise end of the opening-closing body 50 from contacting the first end face 37, which is the end face of the bracket member on the closing direction side of the opening-closing body 50, when the opening-closing body 50 is moved in the open position. Therefore, when the opening-closing body 50 is moved in the open position, the widthwise end of the opening-closing body 50 can be prevented from contacting the first end face 37 of the bracket member. Therefore, the opening movement of the opening-closing body 50 can be performed smoothly, and the usability of the opening-closing body 50 can be improved.

[0177] Furthermore, since the auxiliary part 60 is positioned at the end of the guide rail 20 on the opening direction side of the opening / closing body 50 so that the auxiliary part 60 is adjacent to the first end face 37, it is possible to accurately prevent the widthwise end of the opening / closing body 60 from coming into contact with the first end face 37 of the bracket member, compared to when the auxiliary part 60 is positioned on the closing side of the end of the guide rail 20 on the opening direction side of the opening / closing body 60, and the opening movement of the opening / closing body 60 can be made even smoother.

[0178] Furthermore, by having the auxiliary portion 60 protrude further in the opening direction of the opening-closing body 50 than the second end face 28, which is the end face of the guide rail 20 on the opening-closing direction side of the opening-closing body 50, the closing movement of the opening-closing body 50 can be assisted while preventing the widthwise end of the opening-closing body 50 from coming into contact with the second end face 28 when the opening-closing body 50 is moved in the closing direction, so that the widthwise end of the opening-closing body 50 can be prevented from coming into contact with the second end face 28 of the guide rail 20 when the opening-closing body 50 is moved in the closing direction. Therefore, the closing movement of the opening-closing body 50 can be performed smoothly, further improving the usability of the opening-closing body 50.

[0179] Furthermore, since the radius of curvature of the first curved surface 71a is larger than the radius of curvature of the second curved surface 72a, the closing movement of the opening / closing body 50 can be performed smoothly even when it is difficult to impart momentum to the opening / closing body 50 during the closing movement of the opening / closing body 50, thereby further improving the usability of the opening / closing body 50.

[0180] Furthermore, because the connection part 80 is disposed closer to the closing direction side of the opening-closing body 50 than the main body part 70, it is easier to avoid the connection part 80 hindering the opening and closing movement of the opening-closing body 50 compared to when the position of the connection part 80 in the opening and closing direction is the same as the position of the main body part 70 in the opening and closing direction. Furthermore, for example, when the main body part 70 is made to protrude further in the opening direction side of the opening-closing body 50 than the second end face 28 of the guide rail 20, even if the protrusion amount is relatively large, the auxiliary part 60 can be reliably connected to the guide rail 20 via the connection part 80. From the above, the usability of the auxiliary part 60 can be improved.

[0181] Furthermore, at least the main body portion 70 of the auxiliary portion 60 is formed from a sound-absorbing material, which reduces the contact noise that occurs when the auxiliary portion 60 comes into contact with the opening / closing body 50, thereby further improving the usability of the auxiliary portion 60.

[0182] Furthermore, since the projected surface of the guide rail 20 and the projected surface of the bracket member are flush with each other, when the projected surface of the guide rail 20 and the projected surface of the bracket member are flush with each other, it is possible to prevent the widthwise end of the opening / closing body 50 from coming into contact with the first end surface 37 of the bracket member when the opening / closing body 50 is moved to open, thereby enabling the opening / closing body 50 to open more smoothly. Furthermore, the width of the storage section 30 equipped with the bracket member can be shortened, allowing the storage section 30 to be made more compact.

[0183] Furthermore, the operating unit 55a of the locking device 55 is located at the closing direction end of the opening / closing body 50, on one side of a pair of guide rails 20 that are arranged to face each other at the opening 3, and the auxiliary unit 60 is provided on at least one of the pair of guide rails 20. Therefore, for example, when a user unlocks the locking device 55 and manually moves the opening / closing body 50 to open while holding the operating unit 55a of the locking device 55 (or the portion of the closing direction end (seat plate 53) of the opening / closing body 50 that is closer to the operating unit 55a of the locking device 55), the opening / closing body 50 tilts relative to the opening / closing direction, causing the projecting surface of the guide rail 20 to be pressed against the opening / closing body 50 and the projecting surface to bend outward in the width direction, which makes it easier for the width direction end of the opening / closing body 50 to come into contact with the first end surface 37 of the bracket member, but this contact can be prevented by the auxiliary unit 60. Therefore, a series of operations including the unlocking operation of the locking device 55 and the opening movement of the opening / closing body can be performed smoothly.

[0184] [III] Modifications to the embodiment Although the embodiments of the present invention have been described above, the specific configurations and means of the present invention can be modified and improved as desired within the scope of the technical ideas of the inventions set forth in the claims. Such modifications will be described below.

[0185] (About the problem to be solved and the effects of the invention) First, the problems that the invention aims to solve and the effects of the invention are not limited to those described above, and the present invention may solve problems that are not described above or achieve effects that are not described above, or may solve only some of the problems that are described or achieve only some of the effects that are described.

[0186] (Regarding decentralization and integration) Furthermore, the electrical components described above are functional concepts and do not necessarily have to be physically configured as shown in the drawings. In other words, the specific form of distribution or integration of each part is not limited to that shown in the drawings, and all or part of them can be functionally or physically distributed or integrated in any unit depending on various loads, usage conditions, etc. Furthermore, the term "device" in this application is not limited to a single device, but includes a device configured from multiple devices.

[0187] (shape, numbers, structure, time series) The components illustrated in the embodiments and drawings may be modified and improved as desired within the scope of the technical concept of the present invention in terms of shape, numerical value, or the structure or chronological relationship of multiple components.

[0188] (Applicable to auxiliary structures for opening and closing bodies) In the above embodiment, the auxiliary structure of the opening / closing body 50 is described as being applied to a newly installed window shutter, but the present invention is not limited to this and may be applied to, for example, an existing window shutter.

[0189] (Guide rails and storage area) In the above embodiment, it has been described that the storage section 30, the left guide rail 20a, and the right guide rail 20b are configured so that the third guide rail surface portion 21c of the left guide rail 20a and the first left bracket surface portion 33a of the left bracket are flush with each other, and the third guide rail surface portion 21c of the right guide rail 20b and the first right bracket surface portion 35a of the right bracket are flush with each other, but this is not limited to this.

[0190] For example, the third guide rail surface portion 21c of the left guide rail 20a and the first left bracket surface portion 33a of the left bracket may be configured to be non-flush, and / or the third guide rail surface portion 21c of the right guide rail 20b and the first right bracket surface portion 35a of the right bracket may be configured to be non-flush. As an example, the first left bracket surface portion 33a of the left bracket may be disposed in a position close to the first left bracket surface portion 33a (for example, a position near a portion of the upper end of the left guide rail 20a where the swallow guide 25 is not provided, or a position slightly outward in the left-right direction from the first left bracket surface portion 33a of the left guide rail 20a).

[0191] Furthermore, in the above embodiment, the storage section 30 is described as having an upper case plate 31, a front case plate 32, a left side cap 34, and a right side cap 36, but this is not limited thereto, and for example, the upper case plate 31, the front case plate 32, the left side cap 34, and / or the right side cap 36 may be omitted.

[0192] (Auxiliary structure for opening and closing body) In the above embodiment, the auxiliary part 60 is provided only on the right guide rail 20b, but this is not limiting. For example, the auxiliary part 60 may be provided only on the left guide rail 20a, or may be provided on both the right guide rail 20b and the left guide rail 20a.

[0193] Furthermore, in the above embodiment, the auxiliary part 60 is described as being positioned at the upper end of the right guide rail 20b, but this is not limited to this, and it may be provided, for example, in a part of the upper part of the right guide rail 20b that is lower than the upper end.

[0194] In the above embodiment, the auxiliary part 60 is described as including the connecting part 80, but this is not limited to this. For example, the connecting part 80 may be omitted. In this case, the main body part 70 may be connected to the third guide rail surface part 21c of the right guide rail 20b by a fastener or the like (i.e., the main body part 70 has the function of the connecting part 80).

[0195] In the above embodiment, the auxiliary part 60 is formed separately from the right guide rail 20b, but this is not limiting, and for example, the auxiliary part 60 may be formed integrally with the right guide rail 20b. In this case, the connecting part 80 may be omitted.

[0196] (Addendum) The auxiliary structure of the opening / closing body of Appendix 1 is an opening / closing body for opening and closing an opening in a building, and is an auxiliary structure for assisting the opening and closing movement of the opening / closing body that can be opened and closed in accordance with the rotation of a winding shaft rotatably supported on a bracket member provided on the opening side of the opening, and is a guide rail provided along the opening / closing direction of the opening, and is an auxiliary means provided on the opening direction side of the opening / closing body in the guide rail that guides the opening / closing body to move along the opening / closing direction, and is equipped with an auxiliary means that assists the opening movement of the opening / closing body while avoiding the widthwise end of the opening / closing body coming into contact with the first end face, which is the end face of the bracket member on the closing direction side of the opening / closing body, when the opening / closing body is moved to open.

[0197] The auxiliary structure of the opening / closing body of Appendix 2 is the auxiliary structure of the opening / closing body described in Appendix 1, in which the auxiliary means is arranged at the end of the guide rail on the opening direction side of the opening / closing body so that the auxiliary means is adjacent to the first end face.

[0198] The auxiliary structure of the opening / closing body of Appendix 3 is the auxiliary structure of the opening / closing body described in Appendix 1 or 2, in which the auxiliary means protrudes further toward the opening direction of the opening / closing body than the second end face, which is the end face of the guide rail on the opening direction side of the opening / closing body, thereby making it possible to assist the closing movement of the opening / closing body while preventing the widthwise end of the opening / closing body from coming into contact with the second end face when the opening / closing body is moved in the closing direction.

[0199] The auxiliary structure for an opening / closing body of Appendix 4 is the auxiliary structure for an opening / closing body described in any one of Appendixes 1 to 3, wherein the auxiliary means comprises a first contact portion having a first curved surface that contacts the end portion of the opening / closing body in the width direction when the opening / closing body is moved to a closed position, and a second contact portion having a second curved surface that contacts the end portion of the opening / closing body in the width direction when the opening / closing body is moved to an open position, and the radius of curvature of the first curved surface is larger than the radius of curvature of the second curved surface.

[0200] The auxiliary structure of the opening / closing body of Appendix 5 is the auxiliary structure of the opening / closing body described in any one of Appendixes 1 to 4, wherein the auxiliary means comprises a main body portion and a connecting portion for connecting the main body portion to the guide rail, and the connecting portion is positioned on the closing direction side of the opening / closing body than the main body portion.

[0201] The auxiliary structure for an opening / closing body of Supplementary Note 6 is the auxiliary structure for an opening / closing body of Supplementary Note 5, wherein at least the main body portion of the auxiliary means is formed from a sound-deadening material.

[0202] The auxiliary structure of the opening / closing body of Supplementary Note 7 is the auxiliary structure of the opening / closing body described in any one of Supplementary Notes 1 to 6, in which the projected surface portion of the guide rail and the projected surface portion of the bracket member are flush with each other.

[0203] The auxiliary structure of the opening / closing body of Appendix 8 is the auxiliary structure of the opening / closing body described in any one of Appendixes 1 to 7, in which a locking means for locking the opening / closing body is provided at the end of the opening / closing body on the closing direction side, an operating part of the locking means is arranged at the end of the opening / closing body on one side of a pair of guide rails arranged opposite each other in the opening, and the auxiliary means is provided on at least one of the pair of guide rails.

[0204] (Effect of supplementary notes) According to the auxiliary structure for the opening-closing body described in Supplementary Note 1, the auxiliary means is provided on the opening direction side of the guide rail for assisting the opening movement of the opening-closing body while preventing the widthwise end of the opening-closing body from contacting the first end face, which is the end face of the bracket member on the closing direction side of the opening-closing body, when the opening-closing body is moved in the open position. Therefore, when the opening-closing body is moved in the open position, the widthwise end of the opening-closing body can be prevented from contacting the first end face of the bracket member. Therefore, the opening movement of the opening-closing body can be performed smoothly, and the usability of the opening-closing body can be improved.

[0205] According to the auxiliary structure of the opening / closing body described in Appendix 2, the auxiliary means is arranged at the end of the guide rail on the opening direction side of the opening / closing body so that the auxiliary means is adjacent to the first end face.Therefore, compared to when the auxiliary means is arranged on the closing side of the end of the guide rail on the opening direction side of the opening / closing body, it is possible to accurately prevent the widthwise end of the opening / closing body from coming into contact with the first end face of the bracket member, and the opening movement of the opening / closing body can be made even smoother.

[0206] According to the auxiliary structure for the opening-closing body described in Supplementary Note 3, by having the auxiliary means protrude further toward the opening direction of the opening-closing body than the second end face, which is the end face of the guide rail on the opening-closing direction side of the opening-closing body, the closing movement of the opening-closing body can be assisted while preventing the widthwise end of the opening-closing body from contacting the second end face when the opening-closing body is moved in the closing direction, thereby preventing the widthwise end of the opening-closing body from contacting the second end face of the guide rail when the opening-closing body is moved in the closing direction. This allows the opening-closing movement of the opening-closing body to be performed smoothly, further improving the usability of the opening-closing body.

[0207] According to the auxiliary structure of the opening / closing body described in Appendix 4, the radius of curvature of the first curved surface is made larger than the radius of curvature of the second curved surface, so that the opening / closing body can be moved smoothly in the closing direction even when it is difficult to apply momentum to the opening / closing body, thereby further improving the usability of the opening / closing body.

[0208] According to the auxiliary structure for the opening-closing body described in Appendix 5, the connecting portion is disposed closer to the closing direction of the opening-closing body than the main body, which makes it easier to avoid the connecting portion interfering with the opening and closing movement of the opening-closing body compared to when the opening and closing direction positions of the connecting portion and the main body are the same. Also, for example, when the main body is caused to protrude further in the opening direction of the opening-closing body than the second end face of the guide rail, even if the protrusion is relatively large, the auxiliary portion can be reliably connected to the guide rail via the connecting portion. As a result, the usability of the auxiliary portion can be improved.

[0209] According to the auxiliary structure of the opening / closing body described in Appendix 6, at least the main body portion of the auxiliary means is formed from a sound-absorbing material, thereby reducing the contact noise generated when the auxiliary means comes into contact with the opening / closing body, and further improving the usability of the auxiliary means.

[0210] According to the auxiliary structure for the opening / closing body described in Supplementary Note 7, the projected surface of the guide rail and the projected surface of the bracket member are flush with each other, so that when the projected surface of the guide rail and the projected surface of the bracket member are flush with each other, the widthwise end of the opening / closing body can be prevented from coming into contact with the first end face of the bracket member when the opening / closing body is moved to open, allowing for smoother opening movement of the opening / closing body. Also, the width of the storage section equipped with the bracket member can be shortened, making the storage section more compact.

[0211] According to the auxiliary structure for the opening-closing body described in Appendix 8, the operating part of the locking means is located on one side of a pair of guide rails that are arranged opposite each other at the opening, at the end of the opening-closing body in the closing direction, and the auxiliary means is provided on at least one of the pair of guide rails. Therefore, for example, when a user unlocks the locking means and manually moves the opening-closing body open while holding the operating part of the locking means (or the part of the closing-direction end of the opening-closing body that is closer to the operating part of the locking means), the opening-closing body tilts with respect to the opening and closing direction, causing the projecting surface of the guide rail to press against the opening-closing body and bending the projecting surface outward in the width direction, which makes it easier for the end of the opening-closing body in the width direction to come into contact with the first end face of the bracket member, but the auxiliary means can prevent this contact. Therefore, a series of operations including the unlocking operation of the locking means and the opening movement of the opening-closing body can be performed smoothly. [Explanation of symbols]

[0212] 1 Switchgear 2 skeleton 3 Opening 10 Frame 12 Draining board 13 Left vertical frame material 14 Right vertical frame 15 Frame material body 16 First frame member connection piece 17 Second frame member connection piece 18 Frame material mounting piece 20 Guide rail 20a Left guide rail 20b Right guide rail 20c open end 21 Guide rail body 21a first guide rail surface portion 21b second guide rail surface portion 21c Third guide rail surface 22 First guide rail connecting piece 23 Second guide rail connecting piece 24 Sound deadening material 25 Swallowing Guide 25a First swallowing guide piece 25b Second swallowing guide piece 26 Rail Cap 27 Latch receiving part 28 Second end face 30 Storage area 30a Lintel opening 31 Upper case plate 32 Front case plate 33 Left side bracket member 33a First left bracket surface 33b Second left bracket surface 33c Third left bracket surface 34 Left side cap 34a 1st left cap piece 34b Second left cap piece 34c Third left cap piece 35 Right side bracket member 35a First right bracket surface 35b Second right bracket surface 35c Third right bracket surface 36 Right side cap 36a First right cap piece 36b Second right cap piece 36c Third right cap piece 36d 4th right cap piece 36e 5th right cap piece 37 First end surface 38 Rear case plate 40 Winding shaft 50 Opening and closing body 51 Slats 52 Fitting part 53 Seat board 54 Slat side end member 55 Locking device 55a Operation section 56 Stopper 60 Auxiliary part 70 Main body 71 1st contact part 71a 1st curved surface 72 Second contact part 72a 2nd curved surface 73 Third contact part 73a flat surface 80 Connection 81 First connection part 82 Second connection part 83 Guide rail side engagement part 84 Mounting hole L protrusion length M Maximum winding diameter

Claims

1. An opening / closing body for opening and closing an opening of a building, the opening / closing body being capable of opening and closing in accordance with the rotation of a winding shaft rotatably supported by a bracket member provided on the opening side of the opening / closing body in the opening direction, the auxiliary structure for assisting the opening / closing movement of the opening / closing body, a guide rail provided along the opening / closing direction of the opening, the guide rail guiding the opening / closing body to move along the opening / closing direction, the auxiliary means being provided on a portion of the guide rail on the opening / closing body's opening direction side, the auxiliary means assisting the opening / closing body in moving to open while preventing the end of the opening / closing body on the width direction side from contacting a first end face, which is the end face of the bracket member on the opening / closing direction side of the opening / closing body, The auxiliary means is a main body; a connecting portion for connecting the main body portion to the guide rail, The connection portion is disposed on the closing direction side of the opening / closing body relative to the main body portion. Auxiliary structure for opening and closing body.

2. At least the main body of the auxiliary means is formed from a sound-deadening material. The auxiliary structure for an opening / closing body according to claim 1.

3. An opening / closing body for opening and closing an opening in a building, the opening / closing body being capable of moving in an opening / closing direction in accordance with the rotation of a winding shaft rotatably supported on a bracket member provided on the opening side of the opening / closing body, the auxiliary structure being for assisting the opening / closing movement of the opening / closing body, a guide rail provided along the opening / closing direction of the opening, the guide rail guiding the opening / closing body to move along the opening / closing direction, the auxiliary means being provided on a portion of the guide rail on the opening / closing body's opening direction side, the auxiliary means assisting the opening / closing body in moving to open while preventing the end of the opening / closing body on the width direction side from contacting a first end face, which is the end face of the bracket member on the opening / closing direction side of the opening / closing body, The projected surface of the guide rail and the projected surface of the bracket member are flush with each other. Auxiliary structure for opening and closing body.

4. The auxiliary means is disposed at the end of the guide rail on the opening direction side of the opening / closing body so that the auxiliary means is adjacent to the first end face. The auxiliary structure for an opening / closing body according to any one of claims 1 to 3.

5. By protruding the auxiliary means further toward the opening direction of the opening / closing body than the second end face, which is the end face of the opening / closing body on the guide rail in the opening direction, it is possible to assist the closing movement of the opening / closing body while avoiding the end of the opening / closing body on the width direction side coming into contact with the second end face when moving the opening / closing body in the closing direction. The auxiliary structure for an opening / closing body according to any one of claims 1 to 4.

6. The auxiliary means comprises: a first contact portion having a first curved surface that comes into contact with an end portion of the opening-closing body in a width direction when the opening-closing body is moved to a closing position; a second contact portion having a second curved surface that comes into contact with an end portion of the opening / closing body in the width direction when the opening / closing body is moved to an open position, The radius of curvature of the first curved surface is larger than the radius of curvature of the second curved surface. The auxiliary structure for an opening / closing body according to any one of claims 1 to 5.

7. A locking means for locking the opening / closing body is provided at an end portion of the opening / closing body in the closing direction, an operating portion of the locking means is disposed on one side of the pair of guide rails provided so as to face each other in the opening, at an end portion of the opening / closing body in the closing direction, The auxiliary means is provided on at least one of the pair of guide rails. The auxiliary structure for an opening / closing body according to any one of claims 1 to 6.

Images