JP2009019339A - Awning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an awning device which can be opened/closed with proper operability by smoothly sliding a canvas, and which can improve an appearance and safety by incorporating a built-in mechanical component except a handle. <P>SOLUTION: In this awning device, a rectangular frame 6, which is composed of a front girder and a rear girder 3, parallel to each other, and right and left stringers 5, is horizontally supported by a plurality of vertically-erected supports 7. The awning device 1 is opened/closed by sliding the flexible canvas 8, which is provided in a tensioned state along the frame 6, along the longitudinal direction of the right and left stringers 5. A wrapping drive mechanism is provided in each of the right and left stringers 5. The right and left wrapping drive mechanisms are synchronously driven by the rotational operation of the handle 12 which is provided on one of the plurality of supports 7, and the canvas 8 is slid in parallel along the right and left stringers 5 by both the wrapping drive mechanisms. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an awning device that opens and closes a bendable campus by sliding it along the longitudinal direction of left and right side beams.

  An awning device such as a garden pergola installed in a garden of a general household in order to provide a relaxing space has a function of protecting the sun, rain, or harmful ultraviolet rays.

  As such awning devices, various devices have been proposed so far and are already in practical use. For example, in Patent Document 1, in a horizontal tent in which a tent cloth (campus) is horizontally stretched between tent frames, a core material is inclined obliquely in a direction opposite to each other at a predetermined interval from the tent cloth. A proposal has been made that the sections of the tent cloth partitioned by the adjacent core members are alternately arranged in a substantially trapezoid shape.

Further, Patent Document 2 proposes a mobile tent device having a high drainage function by forming each valley portion of a tent folded into a mountain shape.
Japanese Patent No. 3337069 JP 2004-308333 A

However, in the conventional awning device, when the tent (campus) is slid to open and close, the tent has a configuration in which only one end in the width direction is pulled. There was a problem that it could not slide.
Further, in the conventional awning device, since the opening / closing drive mechanism of the tent is exposed to the outside, there is a problem that the appearance and safety are lacking.
The present invention has been made in view of the above problems, and the object of the present invention is that the campus can be smoothly slid and opened and closed with good operability. An object of the present invention is to provide an awning device capable of improving safety.

  In order to achieve the above object, according to the first aspect of the present invention, a rectangular frame-like frame composed of a front girder, a rear girder, and left and right side girder parallel to each other is horizontally arranged by a plurality of vertical columns. An awning device that supports and opens and closes a bendable campus stretched along the frame along the longitudinal direction of the left and right side girders. The left and right winding transmission mechanisms are driven synchronously by rotating a handle provided on one of the plurality of support columns, and the campus is paralleled along the left and right side girders by both winding transmission mechanisms. It is characterized by being configured to be slid.

  According to a second aspect of the present invention, in the first aspect of the invention, a transmission mechanism for transmitting the rotation of the handle to one of the winding transmission mechanisms is provided in the support column, and the rotation of the one winding transmission mechanism is provided. Is provided in the rear beam so as to transmit to the other winding transmission mechanism.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the transmission mechanism and the one winding transmission mechanism are detachably connected by a gear, and both the winding transmission mechanism and the shaft are connected. It is characterized in that it is detachably connected by a coupling.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the winding transmission mechanism is configured by winding an endless rope between a driving pulley and a driven pulley, and the rope The front end of the campus is connected to the above.

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, a plurality of projections are provided on the rope winding surface of the drive pulley, and the rope wound around the drive pulley is pressed toward the drive pulley. A backup guide is provided.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein the campus is supported by a plurality of suspension pipes installed between the left and right side girders, and the longitudinal direction of each suspension pipe Both ends are movably supported by guide rails formed inside the bottom surfaces of the left and right side girders via rollers.

  The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the campus is supported with slack between the plurality of suspension pipes, and adjacent suspension pipes are connected between the suspension pipes of the campus. It is characterized by being connected by a string-like member shorter than the slack length at.

  The invention according to claim 8 is the invention according to any one of claims 1 to 7, characterized in that the lower edge of the campus is inclined at a predetermined angle from the horizontal in a direction perpendicular to the sliding direction.

  According to the first aspect of the present invention, the left and right winding transmission mechanisms are driven synchronously by rotating the handle, and the campus is configured to slide in parallel along the left and right side girders by the both winding mechanisms. The campus can be smoothly opened and closed with good operability.

  According to the second aspect of the present invention, the winding transmission mechanism other than the handle, the transmission mechanism, the shaft and the like are built in the frame and the column and are not exposed to the outside, so that the appearance and safety of the awning device are improved.

  According to the invention described in claim 3, since the transmission mechanism and the one winding transmission mechanism are detachably connected by the gear, and both the winding transmission mechanism and the shaft are detachably connected by the coupling, the awning Each component of the device is a unit assembly type in a factory, and each unit can be easily assembled in a short time in the field, so that the workability on the field is improved.

  According to the invention of claim 4, since the winding transmission mechanism is configured by winding an endless rope between the driving pulley and the driven pulley, and the front end of the campus is connected to the rope, The transmission mechanism is driven synchronously, and the left and right sides of the front end of the campus are pulled simultaneously by the rope, so that the campus slides in parallel along the left and right side beams and is reliably opened and closed.

  According to the fifth aspect of the present invention, the plurality of protrusions project from the rope winding surface of the drive pulley of the winding transmission mechanism, and the backup guide presses the rope wound around the drive pulley toward the drive pulley. Since a large frictional force acts between the rope and the driving pulley, the rotational power is reliably transmitted from the driving pulley to the rope. For this reason, the rope can be rotated without sliding and the campus can be reliably slid along the left and right side beams.

  According to the sixth aspect of the present invention, since the roller has the rolling guide rail formed inside the bottom surface of the side beam, the guide rail is covered with the side beam and is not exposed to the outside. It is not exposed to dust. For this reason, the roller rolls stably on the guide rail, and the campus is smoothly opened and closed along the left and right side beams.

  According to the invention of claim 7, since the campus is supported with slack between the plurality of suspension pipes, and the adjacent suspension pipes are connected by a string-like member shorter than the slack length between the suspension pipes of the campus. The suspension pipes are pulled and moved by the shaped member, and an excessive force is not applied to the campus, so that the durability of the campus is enhanced and the campus can be kept in a uniform shape when fully opened.

  According to the eighth aspect of the present invention, since the lower edge of the campus is inclined at a predetermined angle from the horizontal in a direction perpendicular to the sliding direction, the rain that has fallen on the campus during rainy weather flows down along the inclination of the campus. It does not accumulate on the top, and high drainage is ensured for the awning device.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 is a perspective view of an awning device according to the present invention, FIG. 2 is a right side view of the awning device, FIG. 3 is a plan view of the awning device, FIG. 4 is a front view of the awning device, and FIG. It is a perspective view which shows typically the structure of this opening-and-closing drive mechanism.

  As shown in FIGS. 1 to 4, the awning device 1 according to the present invention includes a rectangular frame-shaped frame 6 including a front girder 2, a rear girder 3, and left and right side girders 4 and 5 that are parallel to each other. The bendable campus 8 supported horizontally by a plurality of vertically extending columns 7 and stretched along the frame 6 is arranged in the longitudinal direction of the left and right side girders 4 and 5 (the left-right direction in FIGS. 1 to 3). ) Is slid along the open / closed line, and is used as a garden pergola installed in, for example, a general household garden. In the awning device 1, the right side in FIGS. 1 to 3 is the front side, and the left and right sides are the left and right when viewed from the rear to the front.

  Here, the front girders 2 and the rear girders 3 constituting the frame 6 are made of aluminum square pipes, and the left and right side girders 4 and 5 are made of aluminum molds having a part of the lower surface opened. A plurality of (seven in the illustrated example) aluminum suspension pipes 9 are installed between the left and right side girders 4 and 5 so that both ends thereof are slidably supported. The campus 8 is supported by these suspension pipes 9. The campus 8 is obtained by applying a waterproof treatment to the surface of a cloth woven with acrylic fiber, and between the adjacent suspension pipes 9. As shown in FIG. 1 and FIG. 2, it is supported with a predetermined slackness and forms a U-shape when viewed from the side between adjacent suspension pipes 9. As shown in FIGS. 2 and 3, adjacent suspension pipes 9 are connected to each other by a string-like member 10 whose both sides in the width direction are shorter than the slack length between the suspension pipes 9 of the campus 8.

  Further, as shown in FIG. 4, the lower edge of the campus 8 (the lower edge of the U-shaped slack portion) is on the right side (left and right in FIG. 4) in the direction perpendicular to the sliding direction (left and right direction in FIG. 4). ) Inclined from the horizontal by a predetermined angle θ (4 ° in the present embodiment).

  1 to 3 show a state in which the campus 8 is fully opened. As will be described later, in the campus 8, the foremost suspension pipe 9 is rearward along the left and right side girders 4 and 5 (FIG. 2). And the left side of FIG. 3), the campus 8 is brought close to the rear end. At this time, the upper part of the brought campus 8 is covered with a rain cover 11 shown in FIG.

  The struts 7 are made of aluminum square pipes, which support the four corners of the rectangular frame 6 and have lower ends embedded in the ground. And the handle | steering-wheel 12 is rotatably provided inside the intermediate | middle height position of one of these four support | pillars 7. As shown in FIG.

  Here, the entire configuration of the opening / closing drive mechanism for opening / closing the campus 8 is schematically shown in FIG. 5, and this opening / closing drive mechanism transmits the rotational operation force of the handle 12 to the chain transmission built in the column 7. Transmission to the rope transmission mechanism R1 built in the left side girder 4 via the mechanism C and the gear transmission mechanism G, and at the same time to the right side girder 5 via the coupling 13 and coupling shaft 14 built in the rear girder 3 By transmitting to the built-in rope transmission mechanism R2, the left and right front ends of the campus 8 are pulled evenly, and the campus 8 is slid along the longitudinal direction of the left and right side girders 4 and 5. Here, both ends in the width direction of the foremost suspension pipe 9 that supports the front end edge of the campus 8 are connected to a rope 17 wound between the driving pulley 15 and the driven pulley 16 of the left and right rope transmission mechanisms R1, R2. ing.

  Next, details of the configuration of the opening / closing drive mechanism will be described with reference to FIGS.

  6 is a front sectional view of the chain transmission mechanism, FIG. 7 is a sectional view taken along line AA in FIG. 6, FIG. 8 is a front sectional view showing the left and right rope transmission mechanisms and their connection structure, and FIG. FIG. 10 is a sectional view taken along the line BB in FIG. 9, and FIG. 11 is a sectional view taken along the line CC in FIG.

  As shown in FIGS. 6 and 7, the chain transmission mechanism C is built in a support column 7 provided with a handle 12, and a handle shaft 20 is attached to a shaft holder 18 and a support stay 19 mounted in the support column 7. A handle 12 is attached to the end of the handle shaft 20 that is rotatably supported and protrudes out of the column 7. A sprocket 21 is attached to an intermediate portion of the handle shaft 20 that faces the column 7.

  A sprocket shaft 22 is rotatably supported on the support stay 23 above the sprocket 21 in the column 7, and a gear shaft 24 is rotatably supported on the gear plate 25 and the support stay 23. A sprocket 27 for tension adjustment is bound to the sprocket shaft 22, and a sprocket 28 and a gear 29 are bound to the gear shaft 24. An endless chain 30 is wound around the sprockets 21, 27, and 28, and the tension of the chain 30 is adjusted by the sprocket 27. That is, as shown in FIG. 7, a long hole 23a is formed in the support stay 23 in the lateral direction, and the sprocket shaft 22 inserted into the long hole 23a and the sprocket 27 bound thereto are connected to the long hole 23a. The tension of the chain 30 can be adjusted by sliding it laterally along 23a. After adjusting the tension, the nut 31 is tightened to fix the positions of the sprocket shaft 22 and the sprocket 27.

  On the other hand, as shown in FIG. 8, the left and right side girders 4 and 5 incorporate the rope transmission mechanisms R1 and R2, respectively, and the rope transmission mechanisms R1 and R2 are rotatably supported by the gear box 32. The gear shaft 33 is horizontally disposed, and a gear 34 is coupled to the left gear shaft 33, and the gear 34 meshes with the gear 29. The drive pulley 15 is connected to the outer end portions of both gear shafts 33, and the inner end portions of both gear shafts 33 pass through the side walls of the side girders 4 and 5 and face the rear girders 3. These inner end portions are connected to the end portions in the longitudinal direction of the coupling shaft 14 rotatably arranged in the rear beam 3 via a coupling 13. Therefore, the left and right rope transmission mechanisms R1 and R2 are connected to each other via the coupling 13 and the coupling shaft 14.

  Thus, in the present embodiment, the chain transmission mechanism C built in the column 7 and the rope transmission mechanism R1 built in the left side beam 4 are detachably connected by the gears 29 and 34, and the left and right sides are connected. The rope transmission mechanisms R1 and R2 incorporated in the girders 4 and 5 and the coupling shaft 14 are detachably connected by a coupling 13.

  Next, the configuration of the left rope transmission mechanism R1 will be described with reference to FIGS. Since the basic configuration of the right rope transmission mechanism R2 is the same as that of the left rope transmission mechanism R1, illustration and description thereof will be omitted.

  As shown in FIG. 9, a rope 17 is wound around the drive pulley 15 that is rotatably arranged behind the side beam 4 and the driven pulley 16 that is rotatably arranged on the front end portion of the side beam 4. As shown in FIG. 11, the ends of the rope 17 are connected to a pair of front and rear rollers 35 that roll in the front-rear direction (vertical direction in FIG. 11) along the pair of upper and lower guide rails 4a. The slide joint 36 is connected by a joint pin 37 to form an endless shape.

  Here, as shown in FIG. 11, the pair of upper and lower guide rails 4 a are integrally formed along the front-rear direction (perpendicular to the plane of the drawing in FIG. 11) inside the bottom surface of the side beam 4. A foremost suspension pipe 9 is supported by a suspension fitting 38 on a roller 35 that supports the slide joint 36 that connects the two together so as to be slidable along the guide rail 4a. Accordingly, in the campus 8 where the left and right front ends are supported by the foremost suspension pipe 9, the left and right rope transmission mechanisms R 1 and R 2 are driven synchronously as will be described later, and the foremost suspension pipe 9 is moved back and forth by the rope 17. By pulling in any direction and sliding along the longitudinal direction of the left and right side girders 4, 5, the front end thereof slides with the suspension pipe 9 and is opened and closed. Although not shown, the suspension pipe 9 other than the foremost end is also supported so that its left and right ends can slide back and forth along the longitudinal direction of the left and right side girders 4 and 5 via rollers 35. Further, as shown in FIG. 8, a pair of upper and lower guide rails 5a are integrally formed along the front and rear direction (perpendicular to the plane of FIG. 8) inside the bottom surface of the right side beam 5. And the right roller 35 also rolls along with the foremost suspension pipe 9 and the campus 8 and moves in the front-rear direction.

  Incidentally, as shown in FIG. 9, a plurality of protrusions 15 a are provided on the rope winding surface of the drive pulley 15 so as to protrude at an equiangular pitch over the entire circumference. A backup guide 39 that presses the rope 17 wound around the drive pulley 15 toward the drive pulley 15 is provided in the vicinity of the drive pulley 15 so as to be movable in the front-rear direction. A semicircular groove 39a that covers half of the outer periphery of the drive pulley 15 is formed on the surface on the pulley 15 side. The semicircular groove 39a abuts against the rope 17 and presses the rope 17 toward the drive pulley 15 side.

  Here, the backup guide 39 can adjust the pressing force by loosening the two bolts 40 and moving them back and forth. When the pressing force is adjusted, the bolts 40 are tightened and the backup guide 39 is adjusted. The position of is fixed.

  On the other hand, the driven pulley 16 is supported together with the tension slider 41 so as to be movable back and forth within the side beam 4. The tension slider 41 is screwed with an adjusting bolt 43 inserted through a tension plate 42 fixed behind the tension slider 41. Match. Therefore, the tension of the rope 17 wound around the driven pulley 16 and the driving pulley 15 can be adjusted by turning the adjusting bolt 43 to move the tension slider 41 and the driven pulley 16 back and forth within the side beam 4. .

  Next, the opening / closing operation | movement of the campus 8 in the awning apparatus 1 comprised as mentioned above is demonstrated.

  As shown in FIGS. 1 to 3, to close the campus 8 in the fully opened state, the handle 12 is rotated. Then, the rotation of the handle 12 is transmitted from the handle shaft 20 to the gear shaft 24 through the sprocket 21, the chain 30 and the sprocket 28. The rotation of the gear shaft 24 is transmitted to the left rope transmission mechanism R1 through the gears 29 and 34, and is also transmitted to the right rope transmission mechanism R2 through the coupling 13 and the coupling shaft 14. Therefore, the user can drive the left and right rope transmission mechanisms R1 and R2 simultaneously and synchronously by rotating the handle 12.

  That is, in each rope transmission mechanism R1, R2, when the driving pulley 15 is driven to rotate, the rope 17 wound around the driving pulley 15 rotates between the driven pulley 16 and the foremost suspension pipe 9. Slide backward along the side girders 4,5. Then, since the campus 8 slides backward along the side girders 4 and 5 together with the suspension pipe 9 from the front end side, it is brought close to the rear end while being folded. At this time, since the left and right rope transmission mechanisms R1 and R2 are driven in synchronization, the left and right of the front end portion of the campus 8 are pulled with equal force and slide in parallel along the left and right side girders 4 and 5. The campus 8 can be smoothly slid and closed.

  In the present embodiment, a plurality of protrusions 15a are provided on the rope winding surface of the drive pulley 15 of each of the rope transmission mechanisms R1, R2, and the rope 17 wound around the drive pulley 15 is connected to the drive pulley 15 Since the backup guide 39 that presses to the side is provided, a large frictional force acts between the rope 17 and the drive pulley 15, and the rotational power is reliably transmitted from the drive pulley 15 to the rope 17 by this large frictional force. For this reason, the rope 17 can be rotated without sliding between the drive pulley 15 and the campus 8 can be reliably slid along the left and right side girders 4 and 5.

  Next, in order to open the closed campus 8, the handle 12 may be rotated in the reverse direction. Then, the rotation of the handle 12 is transmitted to the left and right rope transmission mechanisms R1, R2 through the same path as described above, but the rope 17 rotates in the opposite direction in each rope transmission mechanism R1, R2, so The suspension pipe 9 slides forward along the side girders 4 and 5.

  When the foremost suspension pipe 9 slides forward along the side girders 4 and 5 as described above, the campus 8 is pulled by the foremost suspension pipe 9 and the front end along the left and right side girders 4 and 5. It slides forward sequentially from the side and is fully opened as shown in FIGS. At this time, the campus 8 is supported between the plurality of suspension pipes 9 with slack, and the adjacent suspension pipes 9 are connected by the string-like member 10 shorter than the slack length between the suspension pipes 9 of the campus 8. Since the suspension pipes 9 are pulled and moved by the member 10 and an excessive force is not applied to the campus 8, the durability of the campus 8 is improved and the campus 8 can be kept in a uniform shape when fully opened.

  In addition, when the campus 8 is opened, the left and right rope transmission mechanisms R1 and R2 are driven synchronously, so that the left and right of the front end of the campus 8 are pulled with equal force along the left and right side girders 4 and 5. The campus 8 can be slid smoothly and opened.

  Further, the lower edge of the campus 8 (the lower edge of the U-shaped slack portion) is lowered from the horizontal to the right in the direction perpendicular to the slide direction (left and right direction) by a predetermined angle θ (in this embodiment, 4 °) (see FIG. 4), the rain that has fallen on the campus 8 during rainy weather does not flow down along the slope of the lower edge of the campus 8 and accumulate on the campus 8, and the awning device 1 ensures high drainage.

  In the above, in the awning device 1 according to the present invention, the chain transmission mechanism C other than the handle 12, the gear transmission mechanism G, the left and right rope transmission mechanisms R1, R2, the coupling 13, the coupling shaft 14 and the like are the frame 6 and the support column. 7 and is not exposed to the outside, the appearance and safety of the awning device 1 can be improved.

  In the awning device 1 according to the present invention, the chain transmission mechanism C and one rope transmission mechanism R1 are detachably connected by gears 29 and 34, and both the rope transmission mechanisms R1 and R2 and the coupling shaft 14 are connected. Since it is detachably connected by the coupling 13, each component of the awning device 1 is a unit assembly type at the factory, and each unit can be easily assembled at a site in a short time, thereby improving workability at the site. . Specifically, the column 7 incorporating the chain transmission mechanism C, the side girders 4 and 5 incorporating the rope transmission mechanisms R1 and R2, and the rear girder 3 incorporating the coupling 13 and the coupling shaft 14 are configured as a unit. Since each unit can be assembled easily and in a short time by carrying in to a construction site, connecting the gears 29 and 34, and connecting the coupling 13, the construction property on the site is improved.

  Furthermore, in the awning device 1 according to the present invention, since the guide rails 4a and 5a on which the roller 35 rolls are formed inside the bottom surfaces of the side girders 4 and 5, these guide rails 4a and 5a are formed by the side girders 4 and 5, respectively. The guide rails 4a and 5a are not exposed to the outside because they are covered and are not exposed to rain or dust. For this reason, the roller 35 stably rolls on the guide rails 4a and 5a, and the campus 8 is smoothly opened and closed along the left and right side girders 4 and 5.

  In addition, the awning apparatus 1 which concerns on this invention is used for other arbitrary uses, such as a store terrace and a carport, besides a garden pergola. In this embodiment, the rope transmission mechanism is employed as the winding transmission mechanism for sliding the campus 8 along the side girders 4 and 5, but other arbitrary transmission mechanisms such as a rope transmission mechanism, a chain transmission mechanism, and a wire transmission mechanism are used. A winding transmission mechanism can be employed.

It is a perspective view of the awning apparatus which concerns on this invention. It is a right view of the awning apparatus which concerns on this invention. It is a top view of the awning apparatus which concerns on this invention. It is a front view of the awning apparatus which concerns on this invention. It is a perspective view which shows typically the structure of the opening / closing drive mechanism of the awning apparatus which concerns on this invention. It is a front sectional view of the chain transmission mechanism portion of the awning device according to the present invention. It is the sectional view on the AA line of FIG. It is a front sectional view showing the right and left rope transmission mechanism and its connecting structure of the awning device according to the present invention. It is a sectional side view of one (left side) rope transmission mechanism part of the awning apparatus which concerns on this invention. FIG. 10 is a sectional view taken along line B-B in FIG. 9. It is CC sectional view taken on the line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Awning device 2 Front girder 3 Rear girder 4, 5 Side girder 4a, 5a Guide rail 6 Frame 7 Strut 8 Campus 9 Hanging pipe 10 String member 11 Rain cover 12 Handle 13 Coupling 14 Coupling shaft (shaft)
DESCRIPTION OF SYMBOLS 15 Drive pulley 15a Drive pulley protrusion 16 Drive pulley 17 Rope 18 Shaft holder 19 Support stay 20 Handle shaft 21 Sprocket 22 Sprocket shaft 23 Sport stay 23a Sport stay long hole 24 Gear shaft 25 Gear plate 27, 28 Sprocket 29 Gear 30 Chain 31 Nut 32 Gear box 33 Gear shaft 34 Gear 35 Roller 36 Slide joint 37 Joint pin 38 Hanging bracket 39 Backup guide 39a Semicircular groove of backup guide 40 Bolt 41 Tension slider 42 Tension plate 43 Adjustment bolt C Chain transmission mechanism (transmission mechanism)
G Gear transmission mechanism R1, R2 Rope transmission mechanism (winding transmission mechanism)

Claims (8)

A rectangular frame composed of front and rear girders parallel to each other and left and right side girders is supported horizontally by a plurality of vertically upstanding columns, and can be bent along the frame. In an awning device that opens and closes a large campus by sliding along the longitudinal direction of the left and right side girders,
A winding transmission mechanism is provided in each of the left and right side girders, and the left and right winding transmission mechanisms are synchronously driven by a rotation operation of a handle provided in one of the plurality of support columns. An awning device configured to slide the campus in parallel along left and right side girders by a mechanism.   A transmission mechanism for transmitting the rotation of the handle to one of the winding transmission mechanisms is provided in the support column, and a shaft for transmitting the rotation of the one winding transmission mechanism to the other winding transmission mechanism is provided in the rear girder. The awning device according to claim 1, wherein the awning device is provided.   3. The transmission mechanism and the one winding transmission mechanism are detachably connected by a gear, and both the winding transmission mechanism and the shaft are detachably connected by a coupling. The awning device described.   4. The winding transmission mechanism is configured by winding an endless rope between a driving pulley and a driven pulley, and a front end portion of the campus is connected to the rope. The awning device according to 1.   5. An awning according to claim 4, wherein a plurality of protrusions project from the rope winding surface of the drive pulley, and a backup guide is provided for pressing the rope wound around the drive pulley toward the drive pulley. apparatus.   The campus is supported by a plurality of suspension pipes installed between the left and right side girders, and both longitudinal ends of each suspension pipe are attached to the guide rails formed inside the bottom surfaces of the left and right side girders via rollers. The awning device according to any one of claims 1 to 5, wherein the awning device is supported so as to be movable.   The campus is supported by slack between the plurality of suspension pipes, and adjacent suspension pipes are connected by a string-like member that is shorter than the slack length between the suspension pipes of the campus. The awning device according to any one of 6.   The awning device according to any one of claims 1 to 7, wherein a lower edge of the campus is inclined at a predetermined angle from horizontal in a direction perpendicular to the sliding direction.

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