JP3481763B2 - Horizontal pull shutter opening and closing device - Google Patents

Description

BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention is set on the indoor side of the bay window
Only more Yokobiki shutter operation of the endless chain are
A device that opens and closes the horizontal pull shutter by rotating the drive shaft
Rotation, especially through endless chains
The present invention relates to improvement of a device for applying force. 2. Description of the Related Art An upper frame and a lower frame house constituting a window housing of a bay window and outdoor end portions of a lower frame and a shutter accommodating portion connected to both right and left sides of the window frame. A rail groove is provided at the outer end so as to face each other up and down, and communicates over the entire length. Between these rail grooves, the left and right horizontal pulling shutters are moved to the shutter storage section to open the window. There has been proposed a bay window with a horizontal pull shutter which is movably mounted from a position where the window is moved from a shutter storage section to a position where the window is shielded. A shutter opening / closing device for opening / closing a horizontal pulling shutter by operating it indoors is provided with an operating member which engages with a vertical slat constituting the horizontal pulling shutter and applies a horizontal moving force thereto, and a bay window. It is necessary to have an opening / closing operation member provided inside and a transmission means for transmitting a driving force input from the opening / closing operation member to the operating member. Since the opening / closing operation member is required to be not only excellent in operability but also not impairing the internal appearance of the bay window, the endless chain hanging from the top plate of the bay window to the indoor side is used as the opening / closing operation member. And a rotational force applying device for inputting a rotational force by operating the endless chain. A rotating force applying device using an endless chain needs to include a sprocket wheel that rotatably supports the endless chain, and means for connecting to a connecting shaft that transmits the rotational motion of the sprocket wheel. However, conventionally, the above-mentioned components are easily mounted on the upper side of the top plate of a bay window with a horizontal shutter without impairing the aesthetic appearance of the room, and a rotational force that can be easily connected to a connection shaft. There was no equipment. SUMMARY OF THE INVENTION [0005] The present invention has been made in view of the above-mentioned circumstances, and its object is to easily place the upper side of the top plate of a bay window with a horizontal shutter. Another object of the present invention is to provide a horizontal shutter opening / closing device having a rotational force applying device that can be attached without deteriorating the aesthetics of the room and that can be easily connected to a connecting shaft that constitutes the transmission means. [0006] In order to solve the above problems, a horizontal shutter opening / closing device according to the present invention comprises:
It is installed on the vertical slat of the horizontal shutter that opens and closes the outdoor side.
Vertical drive shaft having a slip intends actuating gear meshing in the groove being eclipsed
Provided to be rotatable around a straight axis, and set up on the top plate of the bay window
The connecting shaft is installed on the bearing that is rotatable around the horizontal axis.
Between the upper end of the drive shaft and one end of the connection shaft , the rotational motion of the connection shaft around the horizontal axis is rotated about the vertical axis of the drive shaft.
A conversion mechanism for converting the rotation into a rotating motion,
A rotating force applying device for applying a rotating force to the connection shaft by operating an endless chain hanging inside the bay window.
The rotating force applying device includes a substrate fixed to the top plate, a sprocket wheel fixed to a rotating shaft having a square hole, rotatably supported by a bearing provided on the substrate, When the substrate is mounted on the top plate, it is formed on the substrate, has a central axis common to the axis of the square hole, and has a funnel shape whose diameter increases in a direction opposite to the sprocket wheel. to a guide portion for guiding the connecting shaft to the other end of the connecting shaft is connected is inserted into the square hole of the rotary shaft, is half-times to the sprocket wheel, front
And an endless chain suspended downward from a chain insertion hole of the substrate . With the above structure, one end of the connecting shaft which is supported through a bearing on the top plate when mounting the substrate of the rotational force applying device on the top plate funnel-shaped
Guided by the guide portion, it is smoothly inserted into the square hole of the rotating shaft and connected. That is, the connection between the sprocket wheel and the connection shaft can be easily performed. When the rotational force applying device is attached, the endless chain hangs down. When the endless chain is rotated, rotational force is applied to the connecting shaft via the sprocket wheel. The rotational movement of the connecting shaft about the horizontal axis is converted by the conversion mechanism into rotational movement about the vertical axis at the time of driving, and the horizontal pulling shutter is opened or closed. Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of the right side of a bay window provided with a horizontal shutter as viewed from the outdoor side, as viewed from the top surface of the top plate. FIG. 2 is a central longitudinal section of the bay window with an endless chain hanging down. FIG. 3 is a central longitudinal sectional view showing a state in which the endless chain of the exit window is locked by a hook. In a bay window provided with a horizontal pulling shutter for opening and closing the outdoor side surface, an operating gear 21 meshing with a groove provided in a vertical slat 17 constituting the horizontal pulling shutter ST.
Is provided rotatably about a vertical axis. Further, the sprocket wheel 200 is rotatably supported on the top plate 12U of the bay window by a rotation shaft 210 provided at the center of rotation of the sprocket wheel 200, and the sprocket wheel 200
At 0, a rotating force applying device A is attached in which the upper part of the endless chain 300 is turned half a turn, and the remaining part is hung inside the bay window. A conversion mechanism 25 is provided between the rotation shaft 210 of the sprocket wheel and the upper end of the drive shaft 22 for converting the rotation of the rotation shaft 210 around the horizontal axis into the rotation of the drive shaft 22 around the vertical axis. is there. Further, hooks F are provided on the indoor side surfaces of the vertical frames 3 and 4 of the bay window to lock the hanging portion of the endless chain 300 in a detachable manner. With the above configuration, the endless chain 300 of the rotational force applying device A hangs down from the bay window to the indoor side as shown in FIG. When opening and closing the horizontal pull shutter, pull down the predetermined side of the hanging part of the endless chain,
Through the sprocket wheel 200, the conversion mechanism 25, the drive shaft 22, and the operating gear 21, the shutter is moved in the horizontal direction from the closed position to the open position or vice versa. Further, the hanging portion of the endless chain 300 may be locked to the hook F so as to hold the curtain provided along the window surface of the bay window without obstructing the opening and closing of the curtain as shown in FIGS. it can. The endless chain 300 is also used as an accessory of the bay window while being locked by the hook F. An embodiment of the present invention will be described with reference to FIGS. 1 to 3 and FIGS. FIG. 4 is a front view of a bay window with a horizontal shutter, FIG. 5 is a cross-sectional view of the bay window, and FIG. 6 is a horizontal shutter of the bay window, the end plate is removed, and a part of the shutter is broken. 7 is an exploded perspective view of the window with a part omitted, FIG. 8 is a vertical sectional view at the center of the window in FIG. 4, and FIG. 9 is a perspective view showing a part of the opening / closing device of the horizontal shutter. 10 is an explanatory view showing the configuration of the horizontal pulling shutter, FIG. 11 is a cross-sectional view for explaining the operation of the operating gear of the opening and closing device, FIG. 12 is a perspective view of a transmission unit having a conversion mechanism, and FIG. It is a perspective view which shows the connection relationship with the drooping endless chain type rotation force application apparatus. FIG. 14 is a perspective view of a hanging endless chain type rotating force applying device, FIG. 15 is a cross-sectional view showing a state in which the device is being mounted, and FIG.
FIG. 4 is a cross-sectional view showing a state after the attachment of the device is completed. As shown in FIGS. 4 and 5, the exit window PW includes a window frame FW and shutter housing portions HL and HR connected to both left and right sides of the window frame. The window frame FW has the same basic form as that of the known window frame. As shown in FIG. 7, an upper frame 1 (a generic name for three upper frame members 1a, 1b, and 1c) and a lower frame 2 (three Lower frame members 2a, 2b, 2c) and left and right vertical frames 3, 4 and cubicles 5, 6 and, if necessary, vertical frames 3, 3
The upper frame 4 and the lower frame 4 are connected by connecting frames 7 and 8. A lower rail 9 which is connected to the lower frame 2 of the window frame WF in a similar shape to the plane shape of the lower frame 2 is connected to the lower frame 2 of the window frame WF. An upper rail 10 connected to the upper frame 1 in a shape similar to the planar shape thereof is connected.
Although it is possible to directly couple the upper rail 10 to the upper frame 1, as shown in FIG. 8, the upper rail 10 and the auxiliary frame 1 are connected as shown in FIG.
1, a top plate 12U and a roof plate 13 to form a roof unit RU, and the roof unit RU is mounted on the upper surface of the upper frame 1 and joined. By screwing a wood screw S3 into the top plate 13 from the middle part of the upper frame 1, the roof unit R
U is attached to the window frame WF, and the upper rail 10 is provided on the outdoor side of the upper frame 1. In addition, the lower frame 2 is connected to the outdoor end of the base plate 12B that blocks the lower part of the bay window space. The upper and lower rails 9 and 10 are provided with rail grooves G9 and G10, which are opened to face each other. Then, in a state where the upper rail 10 and the lower rail 9 are attached to the window frame WF, ends of the respective rail grooves G9, G10 are opened to the side of the vertical frames 4, 5, respectively. In the above embodiment, the lower rail 9 and the upper rail 10 are formed separately from the lower frame 2 and the upper frame 1, respectively, but one or both of the upper rail and the lower rail are provided. Can be integrally formed with the upper frame and the lower frame. That is, it goes without saying that the rail grooves G9 and G10 may be provided in the upper frame and the lower frame. The window frames WF have sliding glass doors d1, d2 between the front portions 1b, 2b of the upper frame 1 and the lower frame 2 and the left and right cubicles 5, 6 as in the known bay window. It is fitted or a glass plate is fitted and fitted. Also,
An extruding door or a sliding door 14 or the like is attached between the adjacent vertical frames and the cubicles 3, 5, 4 and 6, or a glass plate is fitted and mounted. The shutter housing portions HL and HR are connected to the side of the window frame WF on the outdoor side of the outer wall W. The shutter housing portion HL on the left side has a symmetrical shape with the shutter housing portion HR on the right side. The shutter housing portion has an extended upper rail 10E and an extended lower rail 9E provided at least at the same height as the upper rail 10 and the lower rail 9 provided at least in the window frame WF. As shown in FIGS. 7 and 9, the extended upper rail 10E and the extended lower rail 9E are provided with rail grooves G10E and G9E which are opened to face each other. Window frame W
While the rail grooves G10 and G9 provided in the upper rail 10 and the lower rail 9 of F are linear, the rail grooves G10E and G9E in the shutter housing portions HL and HR are
The shutter is housed in a U-shape or a J-shape to reduce the linear distance. It may meander to minimize storage space. The window frame WF and the shutter housing H
As shown in FIG. 5, R and HL are first attached to the window frame WF on the outdoor side surface of the bay window attachment opening O opened on the outer wall W of the building in the same manner as in the related art. That is, both the vertical frames 3 and 4 are fixed to the columns P1 and P2 defining the opening O by screwing or the like, and the indoor end of the roof plate 13 is fixed to the outer wall W by nailing or the like. Next, the shutter storage sections HR and HL are
Close to the outdoor side surface of the outer wall W on the side of the vertical frames 3 and 4 of the window frame after the installation, and attach the other ends of the extended upper rail 10E and the extended lower rail 9E, that is, the end opposite to the end plate 15 , Upper frame 1 and end portions of upper rail 10 and lower frame 2 of window frame WF
And the ends of the rail grooves G10 and G9 of the upper rail 10 and the lower rail 9, respectively.
Rail groove G of extension upper rail 10E and extension lower rail 9E
10E and G9E, and the indoor end of the bracket 16 is firmly fixed to the outer wall W or the pillars P3 and P4 by screws. As shown in FIGS. 4, 6, and 7, the upper and lower ends of a horizontal shutter ST to be described later are formed in rail grooves at the centers of the front portions 10b and 9b of the upper rail 10 and the lower rail 9 of the window frame. Inlet I10, I for introducing into G10, G9
9 have been established. That is, the inlets I10, I
9 connects the upper and lower rail grooves G10 and G9 to the outdoor side, so that the upper end and the lower end of the shutters ST (L) and ST (R) are terminated from the outdoor side through the introduction ports I10 and I9. It can be inserted into the rail grooves G10 and G9 from the side. The left shutter ST (L) moves to the left from the front center and moves to a position where the left half of the bay window is shielded as shown in FIGS. Similarly, when the right shutter ST (R) moves rightward from the front center and moves to a position where the right half of the bay window is shielded as shown in FIG. 6, all of the right shutters ST (R) are mounted. As shown in FIGS. 4 and 6, the inlets I10 and I9 are provided with the closing members 27 attached to the inlets I10 and I9.
It is desirable not to know the presence of the inlet. In this way, the horizontal shutter ST is introduced into the upper and lower rail grooves G10 and G9 from the inlets I10 and I9 of the window frame WF attached to the building, and is mounted on the bay window as shown in FIGS. After finishing, the shutter storage section H
The end plate 28 is mounted on the outdoor side surface of the L and HR. End plate 28
As an example, upper and lower frames and vertical frames are joined around a corrugated sheet and reinforced, and the upper and lower ends thereof are formed on the outermost sides of the extended upper rail 10E and the extended lower rail 9E (FIG. (Not shown) in a fast-moving manner. This completes the installation of the bay window provided with the horizontal pull shutter. In the bay window, the horizontal pulling shutter ST housed in the shutter housing sections HR and HL is moved between the bay window blocking position and the bay window opening position, that is, the position housed in the shutter housing section. A shutter opening / closing device that applies a horizontal moving force to the shutter is provided. Before describing the structure of the shutter opening / closing device, the structure of the horizontal pulling shutter ST will be described with reference to FIG. As shown in FIG. 10A, the horizontal pull shutter ST has a vertical slat 17 as a structural unit. The vertical slat 17 has a notched circular large-diameter portion 17a that opens in one direction and a notched circular small-diameter portion 17 that opens in the opposite direction.
b and a connecting portion 17c having a substantially V-shaped cross section for connecting therebetween.
As shown in FIG. 10B, a plurality of vertical slats 17 having the same shape are formed into a large diameter portion 17.
a, which is rotatably fitted in the small diameter portion 17b and is connected in the lateral direction, thereby being able to move while bending along the curved or bent rail grooves G9, G10; G9E, G10E. ST is configured. At the upper end of each slat or every few slats, as shown in FIG. 8, an upper suspension 18 is inserted and fixed in another way, to which rollers or other sliding members 19 are attached. As shown in FIG. 8, the upper hanging member 18 is movably fitted to the rail grooves G10 and G10E of the upper rails 10 and 10E together with the upper end of the shutter.
10 and G10E are mounted on the upper surface of a ridge 20 formed so as to protrude upward from the opening side of the G10E so as to freely roll or slide. The lower ends of the vertical slats are movably fitted in rail grooves G9, G9E of the lower rail 9 and the extended lower rail 9E. As shown in FIGS. 9 and 11, the shutter opening / closing device is connected to upper and lower ends of each slat 17 of the shutter fitted respectively to the rail grooves G10E and G9E of the extended upper rail 10E and the extended lower rail 9E. Drive shaft 22 to which operating gears 21U and 21L provided in the vicinity of the extended upper rail 10E and the extended lower rail 9E are fixed.
And a bearing 2 fixed to the extended upper rail 10E and the extended lower rail 9E to rotatably support the upper and lower ends of the drive shaft 22 on the extended upper rail 10E and the extended lower rail 9E, respectively.
3U, 23L and a conversion for converting the rotation of the connection shaft 24 about the horizontal axis to the rotation of the drive shaft 22 about the vertical axis, which is attached to the upper bearing 23U and rotatably held on the upper surface of the top plate 12U. And a mechanism 25. FIG. 12 shows the drive shaft 22 of FIG.
U, the connecting shaft 22M, and the lower shaft 22L.
An example in which a transmission unit B is configured by 2U, a bearing 23U, and a conversion mechanism 25 is shown. This transmission unit B is shown in FIG.
As shown in FIGS. 2 and 13, the bearing 2 formed in a block shape
3U rotatably supports the upper shaft 22U of the drive shaft 22,
A worm wheel 25a, which is a component of the conversion mechanism, is fixed to the upper end of the upper shaft 22U, and is held rotatably around a horizontal axis by a mounting bracket 25c fixed to the bearing 23U. The worm 25b is engaged with the worm wheel 25a. The upper end of the upper shaft 22U is also supported by the mounting bracket 25c so as to be rotatable around a vertical axis. Warm 25b
A square hole is formed at the center of the shaft, and one end formed in the shape of a square rod of a connection shaft 24 described later penetrates into the square hole and is connected. In the bay window PW provided with the horizontal pulling shutter according to the present invention, a hanging endless chain type rotating force applying device A as shown in FIG. 1 and FIG. Installed. The hanging endless chain type rotational force applying device has a substrate 100 as one of the basic components. This substrate 100 is shown in FIG.
As shown in the figure, it is formed in a rectangular thin plate shape,
1 has a hole 102 through which a screw or a nail penetrates. Then, as shown in FIGS. 15 and 16, the substrate 100 abuts the peripheral portion 101 around the outside of the mounting hole h formed in the top plate 12U of the bay window, and the screw or nail S is inserted through the hole 102. And is screwed or driven into the top plate 12U to be fastened. The substrate 100 has a chain insertion hole 103 formed substantially at the center thereof. A pair of bearing portions 110 that stand on one side of the substrate 100, that is, on the back side, is provided.
The pair of bearing portions 110 are preferably provided near the front and rear of the chain insertion hole 103 in order to enhance the stability of the bearing. Rotation axis of sprocket wheel 200 described later
If 210 can be held rotatably,
Is arbitrary in shape and structure. Preferably, a pair of holder portions 120 are provided near the left and right sides of the chain insertion hole 103 and stand on the same side as the bearing portion 110. This holder part 120
Is for preventing the endless chain 300 that is turned halfway around the sprocket wheel 200 from coming off. Preferably, the holder portion 120 is formed in a U-shape in horizontal section. Preferably, the substrate 100, the bearing portion 110, and the holder portion 120 are integrally formed of a synthetic resin material by injection molding or the like. The bearing part 110 and the holder part 120 are
In the examples of FIGS. 14 to 16, they are independently erected, but they may be integrally formed and joined to the substrate 100. The bearing 11 is mounted on a simple rectangular thin plate-shaped substrate 100.
0 and the holder part 130 separately formed of a metal material,
It may be fixed by welding, bonding, or other fixing methods. That is, the coupling structure between the substrate 100 and the bearing portion 110 and the holder portion 120 provided thereon is not particularly limited. The bearing 110 has a sprocket wheel 20
A rotation shaft 210 provided at the center of 0 is rotatably held. The sprocket wheel 200 is used to wind a part of the endless chain 300 around it. The sprocket wheel 200 turns a part of the endless chain by half, and passes the remaining part of the endless chain through the chain insertion hole 103 of the circuit board first. After that, the sprocket wheel 200 is fitted between the holder portions 120 and the rotating shaft 210 is supported by the bearing portion 110, thereby completing the hanging endless chain type rotating force applying device. In order to connect the connecting shaft 24 to the rotating shaft 210 of the sprocket wheel 200, at least the end portion 241 of the connecting shaft has a shape similar to the cross-sectional shape of at least the end 241 of the connecting shaft 24 at the center of the rotating shaft 210. A square hole 211 into which the hole can be fitted is formed. The square hole 211 is opened in the direction of at least one bearing. When the rotating shaft 210 is held by the bearing portion 110 , the right and left sides of the outer periphery of the sprocket wheel 200 are partially surrounded by the holder portion 120, so that the endless chain 300 wound around the sprocket wheel 200.
Is prevented from coming off the sprocket wheel 200, so that the chain rotates stably when the hanging portion of the endless chain is lowered. Therefore, the rotational force can be reliably applied to the shaft 24 connected to the sprocket wheel by the chain operation. Preferably, one side of the substrate 100, that is, the bearing portion 11 supporting the sprocket wheel 200
On the same side as 0, a cone-shaped guide portion 130 is provided. The guide portion 130 has its center line aligned with the center line of the rotation shaft of the sprocket wheel 200, and has a large diameter side facing away from the rotation shaft 210 and a small diameter side facing the rotation shaft 210, The inner diameter of the end on the smaller diameter side is slightly larger than the diameter of the connecting shaft 24. The connecting shaft 24 has at least an end portion 241 formed in a square rod shape, and is rotatably supported by a bearing member 26 fixed to the upper surface of the top plate 12U. Accordingly, when the connecting shaft 24 is inserted into the guide portion 130, the leading end of the connecting shaft is guided by the guide portion 130 so as to match the square hole 211 of the rotating shaft 210, and the leading end of the connecting shaft 24 is guided by hand. At least, the connecting shaft 24 connects to the rotating shaft 210 of the sprocket wheel 200. When attaching the hanging endless chain type rotating force applying device constructed as described above, the bay window PW
After having been installed in the building, first, as shown in FIG. 15 , the guide portion 130, the bearing portion 110, the holder portion 120, and the sprocket wheel 200 are inserted through the mounting holes h provided in the top plate 12U of the bay window. . At this time, if the connecting shaft 24 is already fixed to the top plate 12U, the board 100 is inserted in an inclined state, and the tip of the connecting shaft 24 is inserted into the large diameter side of the guide portion 130. Then, the substrate 100 is connected to the connecting shaft 24.
When the end 241 of the connection shaft is further moved toward the small diameter side of the guide portion 130, the end 24
1 advances to the square hole 211 of the rotating shaft 210 of the sprocket wheel 200 by the guiding action of the guide portion 130, and fits in a state where relative rotation is impossible. Thus, in the state shown in FIG.
The peripheral portion 101 of the base plate 100 is brought into contact with the outer periphery of the mounting hole h of the top plate 12U, and the screw S is screwed or driven into the hole 102 formed in the peripheral edge of the board, thereby completing the mounting. The other end of the connecting shaft 24 extends to the upper surface of the top plate 12U, and is rotatably supported by the bearing 26 fixed to the top plate 12U as described above and as shown in FIG. The other end of the connecting shaft 24 is connected to the rotating shaft 210 of the sprocket wheel 200 of the hanging endless chain type rotating force applying device according to the present invention. Each tooth of the gears 21U and 21L is set to a size that engages with the concave portion of the connecting portion 17c of the vertical slat 17 of the shutter. The bearings 23U and 23L also serve as stoppers for stopping the terminal slat 17e when the horizontal pulling shutter ST is moved to the open position. The above-mentioned hanging endless chain type rotating force applying device A
The bay window provided with a shutter opening / closing device formed by mounting and connecting the transmission unit B pulls down a predetermined side of the hanging portion of the endless chain 300, thereby connecting the connecting shaft 24, the conversion mechanism 25, the drive shaft 22, and the operating shaft. Gear 21U,
The shutter ST can be closed via 21L,
Further, by pulling down the other side of the hanging portion of the endless churn, the horizontal pulling shutter ST can be similarly opened. In order to easily determine whether the shutter should be opened or closed by pulling down either side of the endless chain, the two ends of the chain insertion hole on the lower surface of the substrate are respectively provided. Affixing a seal or the like on which the characters "open" and "closed" are printed has an advantage that an excessive force can be prevented from being applied to the endless chain. The horizontal pulling shutter can be held at any of the positions of full opening, full closing, and half opening, and even if it is displaced, the hanging portion of the endless chain 300 can be held in the vertical frame 3 or 4.
Side, and can be locked to the hook F. Since the hook is attached to the vertical frame, the locked endless chain hangs down the vertical frame without hanging down the bay window space,
It does not impair the look of the bay window. In addition, if the horizontal pull shutter is provided on the left and right sides in a drawable manner, the endless chain is locked to the hook on both the left and right sides of the bay window,
As an accessory, the appearance of the bay window is improved. Also, since the hook is attached to the vertical frame, when a curtain is provided in the bay window, it is usually moved along a rail provided along the shape of the bay window and is opened and closed, so that the hook is locked to the hook. The endless chain is also prevented from obstructing opening and closing of the curtain. As described above, according to the first aspect of the present invention , a rotational force applying device is provided for a top plate of a bay window with a horizontal pull shutter.
Easily and without compromising the beauty of the top plate
And can be connected with the rotation axis of the sprocket wheel.
Connection with the connecting shaft can be easily performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of the right side of the bay window with a horizontal shutter as viewed from the outdoor side, as viewed from the top surface of a top plate. FIG. 2 is a central vertical sectional view of the endless chain of the exit window in a hanging state. FIG. 3 is a central vertical sectional view showing a state in which an endless chain of the exit window is locked by a hook. FIG. 4 is a front view of a bay window provided with a horizontal shutter. FIG. 5 is a cross-sectional view of the exit window. FIG. 6 is a perspective view in which a horizontal shutter of the exit window is closed, a head plate is removed, and a part of the shutter is cut away. FIG. 7 is a partially omitted exploded perspective view of the exit window. 8 is a central longitudinal sectional view of the bay window of FIG. FIG. 9 is a perspective view showing a part of the opening / closing device of the horizontal pull shutter. FIG. 10 is an explanatory diagram showing a configuration of a horizontal pull shutter. FIG. 11 is a cross-sectional view illustrating the operation of the operation gear of the opening / closing device. FIG. 12 is a perspective view of a transmission unit having a conversion mechanism. FIG. 13 is a perspective view showing a connection relationship between the conversion mechanism and a hanging endless chain type rotational force applying device. FIG. 14 is a perspective view of a hanging endless chain type rotational force applying device. FIG. 15 is a cross-sectional view showing a state in which the device is being mounted. FIG. 16 is a cross-sectional view showing a state after the attachment of the device is completed. [Description of Signs] PW Bay windows HL, HR Shutter storage section ST Horizontal pulling shutter 17 Vertical slat A Endless chain type rotational force applying device 100 Substrate 110 Bearing 200 Sprocket wheel 210 Rotary shaft 300 Endless chain B Transmission units 21U, 21L Operating gear 22 (22U, 22M, 22L) Drive shaft 23U, 23L Bearing 24 Connecting shaft 25 Conversion mechanism 25a Worm wheel 25b Worm

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 58-83577 (JP, U) Japanese Utility Model Hei 2-143495 (JP, U) Japanese Utility Model Sho 62-113293 (JP, U) Japanese Patent Publication Sho 40- 17862 (JP, B1) (58) Fields investigated (Int. Cl. ⁷ , DB name) E06B 9/02 E06B 3/00 E06B 9/78 F16H 55/30 E06B 9/56

Claims (1)

(57) [Claims] [Claim 1] A horizontal pulling shutter for opening and closing the outdoor side surface of the bay window.
Operating gear that meshes with the groove provided in the vertical slat of the
A drive shaft having a shaft is provided rotatably around a vertical axis, and a connecting shaft is mounted around a horizontal axis on a bearing erected on the top plate of the bay window.
Rotatably provided on the upper end of the drive shaft and the connection shaft .
Between one end, the rotational movement of the connecting shaft around the horizontal axis.
A converter for converting the rotational motion of the drive shaft about a vertical axis.
An endless chain hanging inside the bay window is provided on the top plate.
A rotational force applying device that operates to apply a rotational force to the connection shaft;
The attachment will be, the rotating force applying device includes a substrate which is fixed to the top plate,
A sprocket wheel rotatably supported by a bearing provided on the substrate and fixed to a rotary shaft having a square hole, and a sprocket wheel erected on the substrate and having a central axis common to the axis of the square hole. The sprocket wheel has a funnel shape with a diameter increasing in the opposite direction, and when the substrate is mounted on the top plate , the other end of the connecting shaft is inserted into the square hole of the rotating shaft and connected. A guide part for guiding the connection shaft, and the sprocket wheel is half- turned,
Crosscut shuttering instrumentation, characterized in that it comprises a endless chain which is hanging down from the chain through hole of the substrate
Place .