JP4897300B2 - Support bracket for architectural shutter equipment - Google Patents

Description

  The present invention belongs to the technical field of a support bracket in an architectural shutter device that opens and closes an opening of a building.

  In general, in this type of architectural shutter device, the left and right ends of the winding shaft around which the shutter curtain is wound are supported by a support bracket fixed to the housing in a rotatable state. In such a configuration, the winding shaft may be configured to rotate forward and backward based on the forward / reverse rotation drive of the switch, and in this case, the chain between the winding shaft and the switch is In the case of interlocking connection, an opening / closing machine may be attached to the support bracket. In this case, the support bracket positions the winding shaft bearing part for bearing the take-up shaft and the opening / closing machine attachment part for attaching the opening / closing machine. It is necessary to connect in an adjustable manner.

As such a thing, it has been proposed that the support bracket has a two-part configuration of a take-up shaft bearing part and a switch attachment part, and these parts are connected in a position-adjustable manner.
Japanese Utility Model Publication No. 64-23595

And in the said conventional thing, the winding-up-shaft bearing site | part of a support bracket and the switch attachment site | part are each formed with the sheet metal plate material.
By the way, when the housing opening is a large opening having a large left-right width dimension and vertical height dimension, the shutter curtain is increased in size, and the load acting on the winding shaft is increased accordingly. In such a shutter device having a weighted shutter curtain, it is an essential requirement to ensure the strength of the support bracket that supports the winding shaft. In order to ensure the strength, it is conceivable to increase the thickness of the metal plate itself, but doing so increases the weight of the shutter device and makes installation work more difficult, as well as higher costs. This is a problem to be solved by the present invention.

The present invention has been created in order to solve these problems in view of the above circumstances, and the invention of claim 1 is a winding in which a shutter curtain that opens and closes a housing opening is wound. and journaled ends of the shaft to the skeleton, the support bracket rear edge portion is fixed to the skeleton, a pair of first to laminate to exist a predetermined gap in the lateral direction, and a second plate, these first and second In constructing and integrating the third plate inserted and fixed to at least one of the front edge portion or the upper and lower edge portions between the plates , the first and second plates are each long in the vertical direction on each plate surface, It is assumed that at least one rib, which is recessed in a direction close to each other, is provided at a position facing each other, and the predetermined gap formed between the first and second plates is a groove of the facing rib. The bottom pieces The first fixed combined can is a support bracket in the building shutter device characterized by being formed by integrating the second plate with each other.
According to the second aspect of the present invention, the first and second reinforcing folding pieces that are bent in the direction away from each other are bent at least at one side edge of the first and second plates. The support bracket in the architectural shutter device according to Item 1 .
The invention according to claim 3, the first, second plate, the first being Ategawa the trailing edge, the reinforcing plate integrated with the second plate according to claim 1 or 2 are provided integrally It is a support bracket in the shutter device for construction.
In the invention according to claim 4, the support bracket is provided with a pair of supporting left and right ends of the take-up shaft, and one of the pair of support brackets is provided with a bearing portion and the bearing portion. It is a support bracket in the shutter device for buildings as described in any one of Claims 1 thru | or 3 in which the built-in recessed part is formed.
According to a fifth aspect of the present invention, the winding shaft is configured to rotate forward and backward based on forward and reverse driving of the opening / closing device, and the opening / closing device includes a third plate opening / closing device mounting portion constituting a driving-side support bracket. The architectural shutter device according to any one of claims 1 to 4 , wherein the third plate is provided so as to be movable in the front-rear direction with respect to the first and second plates. It is a support bracket.

According to the first aspect of the present invention, the strength of the first and second plates can be increased, and the two plates are reliably integrated in a laminated state with a predetermined gap between them. In addition, the support bracket configured to be laminated can be reduced in weight while ensuring the strength necessary for bearing the weighted winding drum.
By setting it as invention of Claim 2 , the further intensity | strength ensuring of a 1st, 2nd plate can be ensured.
According to the invention of claim 3 , the integration of the first and second plates can be further strengthened, and the strength of the support bracket can be improved.
According to the invention of claim 4, the work of assembling the take-up shaft into the support bracket can be performed smoothly.
According to the invention of claim 5 , the opening / closing machine can be incorporated so that the position thereof can be freely adjusted, and furthermore, one adjustment can be made with good workability.

Next, embodiments of the present invention will be described with reference to the drawings.
In the drawings, reference numeral 1 denotes a shutter curtain of an architectural shutter device installed in an opening of a building. The shutter curtain 1 is attached to a winding drum 3 provided in a shutter case 2 disposed above the opening. It is wound. The winding drum 3 is linked to an opening / closing machine 4 (described later) arranged so as to be housed in the shutter case 2, and the winding drum 3 is linked to the forward / reverse rotation driving of the opening / closing machine 4. The shutter curtain 1 is unwound and wound up by rotating in reverse. As a result, the shutter curtain 1 moves the opening up and down while receiving the movement guides of the guide rails 5 whose both side edges are erected on both sides of the opening, and has a fully closed posture for closing the opening and the opening. The basic configuration, such as setting the posture to change between the fully open posture to be opened, is the same as before.

  The shutter case 2 is configured to be integrally fixed to the casing above the opening, and the rear end edge is integrally fixed to the casing wall surface, and the winding shaft 3a constituting the winding drum 3 is configured. Are provided with a pair of support brackets 7 and 8 that rotatably support both end portions in the left-right direction via a bearing member 6. Here, the architectural shutter device is built in a large opening, and the shutter curtain 1 is set to have a large left and right width, a high vertical height, and a heavy total weight. Therefore, a large load based on the load of the shutter curtain 1 acts on the pair of support brackets 7 and 8 on which the take-up shaft 3a is supported, and the plate surfaces of the support brackets 7 and 8 are used as the bearing portions. As a reference, the upper portions act so as to fall (bend) in a direction in which they are close to each other. The support brackets 7 and 8 of the present embodiment are light weighted by using a thin plate material so that the strength can be ensured such that the plate surface does not fall down against the large load. It is configured.

First, the support bracket 7 positioned on the right side in FIG. 1 will be described. The right support bracket 7 has a configuration to which the opening / closing device 4 is attached, and is hereinafter referred to as a drive side support bracket 7. The drive side support bracket 7 is configured by laminating the third plate 11 between the pair of first and second plates 9 and 10 in the left and right direction. The drive-side first and second plates 9 and 10 are made of similar metal plate materials each having a predetermined plate thickness, and bearings that support the take-up shaft 3a at a rectangular central portion. Bearing through holes 9a and 10a for supporting the member 6 are provided.
Furthermore, the bending pieces for reinforcement 9b, 9c, 9d, 10b, which are bent toward the directions away from each other, on the upper and lower edges and the rear edge of the first and second plates 9, 10 on the driving side, 10c and 10d are formed in a bent manner, and thereby the first reinforcement for the plate surfaces of the drive side first and second plates 9 and 10 is performed.
The first and second plates 9 and 10 on the driving side are located in the vicinity of the outer peripheral portion of the bearing through-holes 9a and 10a. Four ribs 9e and 10e which are located in four convenient places and are concave in the direction of approaching each other and which are long in the vertical direction are formed. Each of the ribs 9e and 10e is formed by subjecting the plates 9 and 10 to extrusion processing and the like, whereby a second side with respect to each plate surface of the drive side first and second plates 9 and 10 is formed. Reinforcement is made.

And the drive side 1st, 2nd plates 9 and 10 are the states of the drive side 1st and 2nd plates 9 and 10 by setting it as the state which abuts the groove bottom pieces 9f and 10f of the said four ribs 9e and 10e. In the meantime, the layers are set so as to be stacked in a state in which a left-right facing interval (a predetermined gap of the present invention) T exists. In the state where the groove bottom pieces 9f and 10f are in contact with each other, the drive side first and second plates 9 and 10 are respectively formed in a rectangular shape at the upper and lower portions of the groove bottom pieces 9f and 10f with which the ribs 9e and 10e abut. Bolt holes 9g and 10g are opened, and the square root bolts 12 are press-fitted through the bolt holes 9g and 10g from the inner side in the left-right direction, and the penetrating ends protruding outward are tightened with nuts 12a. Therefore, the groove bottom pieces 9f and 10f of the ribs 9e and 10e are set so as to be integrated with each other being abutted against each other, and the configuration is the first integration with respect to the first and second plates 9 and 10. Corresponds to means.
Here, as described above, the ribs 9e and 10e are formed to be long in the vertical direction, so that the plate surfaces of the first and second plates 9 and 10 are inward in the left-right direction (on the opening side, In this embodiment, when the first and second plates 9 and 10 are integrated, the first and second plates are integrated into the first and second plates. The rib groove bottom pieces 9f and 10f that are long in the vertical direction 9 and 10 are abutted against each other, and the square root bolts 12 are press-fitted and tightened. Thus, first, with the second plate 9 and 10 can be integrated with no backlash, first, that the second plate 9 and 10 further enhance the strength against the load such as collapses in the lateral inward To be able to. In this way there is no backlash, as a means of integration of as possible out to increase the strength, it is also possible to use an integrated unit by welding.
The first and second plates 9 and 10 on the driving side are the fourth plates on the driving side (corresponding to the reinforcing plate) behind the reinforcing bent pieces 9d and 10d at the rear edge that are the attachment pieces to the housing. 13 is provided, and the fourth plate 13 and the reinforcing bent pieces 9d and 10d at the rear edge are integrally fixed using an integration means such as welding. Thus, the rear side of the drive side first and second plates 9 and 10 is set so as to be integrated, and this configuration corresponds to a second integration means for the first and second plates 9 and 10. To do. The drive side fourth plate 13 is formed with bent pieces 13a and 13b that are bent forward at the upper and lower end edges, and these bent pieces 13a and 13b are formed on the drive side first and second plates. The first and second plates 9, 10 are integrated with the rear portions of the reinforcing bent pieces 9 b, 9 c, 10 b, 10 c formed on the upper and lower edges of the first and second plates using an integration means such as welding. The rear part is integrated more firmly.
Here, reference numeral 14 denotes a spacer between the drive-side first and second plates 9 and 10, and is a spacer disposed on the peripheral edge portion of the bearing through-holes 9 a and 10 a. In the stage before the second plates 9 and 10 are laminated and integrated, they are temporarily fixed to any one of the plates 9 or 10 (in this embodiment, the first inner plate 9) by means such as adhesion. Yes. The spacer 14 is integrated with the first and second plates 9 and 10 when the bearing member 6 is attached together with the take-up shaft 3a to the support bracket 7 attached to the installation site, as will be described later. It is set to be fixed.

  On the other hand, the drive-side third plate 11 is thicker than the drive-side first and second plates 9, 10, and is opposed in the left-right direction formed between the drive-side first and second plates 9, 10. It has a plate thickness corresponding to the interval T, and is dimensioned to a vertical length slightly longer than the vertical length of the drive side first and second plates 9 and 10. The drive-side third plate 11 has an opening / closing through-hole 11a for attaching the opening / closing device 4 at the center in the up-down direction, and is for reinforcement that bends outward in the left-right direction at the top / bottom edge. Bending pieces 11b and 11c are formed, respectively, and set to reinforce the plate surface of the drive side third plate 11. The drive side third plate 11 is laminated in a state where the rear edge reaches the front part of the drive side first and second plates 9 and 10, that is, the part near the ribs 9e and 10e located in front. The opening and closing machine through-hole 11a is formed in a portion projecting forward from the drive side first and second plates 9, 10, and is laminated with the drive side first and second plates 9, 10. On the upper and lower sides, attachment through holes 11d for integration with the drive side first and second plates 9, 10 are respectively opened.

  On the other hand, long holes 9h and 10h that are long in the front-rear direction facing the through-hole 11d are formed in a continuous manner above and below the front portions of the first and second plates 9 and 10 on the driving side, By tightening the long holes 9h and 10h and the through-hole 11d for attaching the drive side third plate 11 with a bolt-nut 11e, the position adjustment in the front-rear direction corresponding to the stroke of the long holes 9h and 10h can be performed. In a possible state, the drive side third plate 11 and the drive side first and second plates 9 and 10 are integrated, and thus the drive side support bracket 7 is formed. Is set to

  Next, the support bracket 8 located on the left side in FIG. 1 will be described. The left support bracket 8 is a driven side with respect to the drive side support bracket 7 on which the opening / closing device 4 is provided. This will be referred to as a support bracket 8. The driven side support bracket 8 is constructed by stacking a pair of inner and outer first and second plates 15 and 16 on the driven side and a third plate 17 positioned between them. The driven side first and second plates 15 and 16 have the same configuration as the driving side first and second plates 9 and 10, and the bearing through holes 15a and 16a, the upper and lower edges, and the rear Reinforcing grooves 15b, 15c, 15d, 16b, 16c, 16d, and groove-shaped ribs 15e, 16e provided with groove bottom pieces 15f, 16f, which are bent toward the edge in a direction away from each other The first and second reinforcements are formed on the plate surfaces of the driven first and second plates 15 and 16.

The driven first and second plates 15 and 16 are positioned between the driven first and second plates 15 and 16 when the groove bottom pieces 15f and 16f of the four ribs 15e and 16e are brought into contact with each other. In addition, the square root bolts 12 from the inner side in the left-right direction are stacked in the rectangular bolt holes 15g, 16g which are stacked with the facing interval T in the left-right direction and are opened between the groove bottom pieces 15f, 16f of the ribs 15e, 16e. Is integrated by fastening a nut 12a to a penetrating tip that penetrates to the outside, and this configuration is the first integration means for the driven first and second plates 15 and 16. Yes. In addition, it is the same as that of the structure of the support bracket 7 of the said drive side that means, such as welding, can be used as a 1st integration means.
Further, similarly to the drive-side fourth plate 13, the driven-side fourth plate (reinforcement) includes upper and lower reinforcing folding pieces 18a, 18b formed at the rear portions of the driven-side first and second plates 15, 16. (Corresponding to a plate) 18 is integrated, and this configuration is a second integration means for the driven first and second plates 15 and 16.
Note that a spacer 14 is temporarily attached to the peripheral edge portion of the bearing through hole 15a or 16a (in this embodiment, the inner bearing through hole 15a) of any one of the driven first and second plates 15 and 16. The arrangement in a fixed state is the same as that of the support bracket 7 on the driving side.

  Thus, the driven first and second plates 15 and 16 integrated by the first and second integrating means are notched in a state where they communicate with the bearing through holes 15a and 16a from the front edge portion. Sections 15h and 16h are established. The driven side third plate 17 is integrated with the front side of the opposed interval T of the driven side first and second plates 15 and 16, and the trailing side of the driven side third plate 17 is driven. The plate is thicker than the first and second plates 15 and 16 and has a plate thickness corresponding to the facing interval T. The vertical length of the driven first and second plates 15 and 16 Dimensioned to the same length. The driven third plate 17 is stacked on the first and second plates 15 and 16 in a state where the rear edge reaches the vicinity of the ribs 15e and 16e in front of the driven first and second plates 15 and 16. Thus, the front is set so as to slightly protrude from the driven first and second plates 15 and 16. A reinforcing bent piece 17a bent outward in the left-right direction is formed on the front edge portion of the driven-side third plate 17 protruding forward from the driven-side first and second plates 15 and 16. Is bent and is set to reinforce the plate surface of the third plate 17.

  Further, the driven third plate 17 is located at the central portion in the vertical direction and communicates with the notches 15h and 16h provided in the driven first and second plates 15 and 16, and the reinforcing bent piece 17a is provided. A notch portion 17b for attaching the U-shaped groove is also formed in the notched state. The cutout portion 17b has a U-shape that is formed in a U-shaped cross-section, and has a groove bottom piece 19a that is displaced (retracted) outward in the left-right direction from the plate surface of each of the plates 15, 16, and 17. The groove 19 is attached by integrated means such as welding.

  Then, the driven side third plate 17 is incorporated into the front portion of the opposed distance T of the driven side first and second plates 15 and 16 and is subjected to an integration means such as welding, whereby the driven side third plate 17 and The driven side first and second plates 15 and 16 are integrated with each other, and the driven side support bracket 8 is configured. At this time, as described above, the U-shaped groove 19 is a built-in concave portion that is open at the front and in which the groove bottom piece 19a is displaced outwardly in the left-right direction from the plate surfaces of the driven plates 15, 16, and 17. The U-shaped groove 19 communicates with the bearing through-holes 15a and 16a for attaching the bearing member 6 via the notches 15h and 16h so that the U-shaped groove 19 is incorporated into the recess when the winding shaft 3a is assembled. Is configured to configure.

Next, in the configuration in which the shutter device using the drive side and driven side support brackets 7 and 8 configured as described above is mounted on the installation site, each bracket 7 and 8, the opening and closing machine 4, and the winding drum 3, A procedure for incorporating the bearing member 6 will be described.
First, the bearing member 6 is removed from the driven side support bracket 8 in advance, and the first, second and third plates 15, 16 and 17 are assembled into the rear edges of the first and second plates 15 and 16. The reinforcing bent pieces 15d and 16d formed in the part and the through hole H formed in a communication manner with the fourth plate 18 are used to fasten with bolts B to the upper left part of the housing opening. Subsequently, the bearing member 6 is removed from the drive side support bracket 7, and the first, second, third plates 9, 10, 11 are assembled into the rear edges of the first, second plates 9, 10. The reinforcing bent pieces 9d and 10d formed in the portion and the through hole H opened in a communication manner with the fourth plate 13 are used to fasten with bolts B to the upper right portion of the housing opening. In the present embodiment, each of the drive side and driven side support brackets 7 and 8 is secured to the housing opening using bolts B, but as a fixing means to the housing opening, welding or the like is used. It is also possible to use means.

Then, the bearing member 6 is passed through the right and left end portions of the take-up shaft 3a constituting the take-up drum 3, and the right end portion of the take-up shaft 3a is opened on the drive side first and second plates 9, 10. After the bearing through holes 9a and 10a are inserted deeply, the left end of the winding shaft 3a is inserted into the bearing through holes 15a and 16a provided in the driven first and second plates 15 and 16, respectively. To penetrate. At this time, the driven side first and second plates 15 and 16 are U-shaped grooves provided with groove bottom pieces 19a that open forward and retreat outward in the left-right direction in a state following the bearing through holes 15a and 16a. Since 19 is integrally formed, the left end portion of the take-up shaft 3a is inserted from the front of the U-shaped groove 19 so as to be incorporated into the bearing through holes 9a and 10a. As a result, the left and right ends of the take-up shaft 3a that are longer than the facing distance between the drive side first and second plates 9 and 10 and the driven side first and second plates 15 and 16 are respectively connected to the bearing through holes 9a. 10a, 15a, and 16a can be penetrated.
Subsequently, the left and right bearing members 6 penetrating the take-up shaft 3a are abutted against the bearing through-holes 9a, 15a forming portions of the first plates 9, 15 on the driving side and the driven side, respectively. The bolts and nuts 6a are used to fasten and fix the first and second plates 9, 10, 15, 16 on the driving side and the driven side. As a result, the take-up drum 3 is supported by the first and second plates 9, 10, 15, 16 on the driving side and the driven side in a rotatable state. At this time, the spacer 14 is set to be integrated with the first and second plates 9, 10, 15, and 16 on the driving side and the driven side together with the bearing member 6, and by fixing the spacer 14, A third integration means for the drive side and driven side first and second plates 9, 10, 15, and 16 is provided, and consideration is given to the third reinforcement.

  Next, the opening / closing machine 4 is fixed to the drive side third plate 11, and the opening / closing machine sprocket 4b provided integrally with the output shaft 4a of the opening / closing machine 4 and the right end portion of the winding shaft 3a are provided integrally. The power transmission chain 4c is suspended between the winding side sprocket 3b. At this time, the bolts and nuts 11e that connect the driving side first and second plates 9, 10 and the third plate 11 are loosened, and the driving side first and second side of the driving side third plate 11 are determined based on the tension state of the chain 4c. After adjusting the position of the two plates 9 and 10 and adjusting the chain 4c, the bolts and nuts 11e are tightened again to integrate the first, second, and third plates 9, 10, and 11 together with welding and the like. It is set so as to be integrated by implementing the converting means. The position adjustment is performed based on the strokes of the long holes 9h and 10h provided in the first and second plates 9 and 10, as described above. The winding drum 3 and the opening / closing machine 4 are set so as to be incorporated in the drive side and driven side support brackets 7 and 8.

  In the present embodiment configured as described, the architectural shutter device is provided with a large opening and is a weighted device, but each support on the driving side and the driven side for bearing the winding drum 3 is supported. The brackets 7 and 8 are configured by using a thin plate-like drive side and driven side first and second 9, 10, 15, 16 and a thick plate-like drive side and driven side third plates 11 and 17, respectively. Thus, the strength is not ensured only by increasing the plate thickness, but the thin plate-like first and second plates 9 and 10, 15 and 16 are laminated in a state where the facing interval T exists, and these Since each of the plate-shaped third plates 11 and 17 is stacked between the two, the strength required to support the weighted take-up drum can be ensured while each support is supported. Weight reduction of brackets 7 and 8 Rukoto can.

  In addition, in the embodiment in which the present invention is implemented, at least one rib 9e is formed by recessing the plate surface in each of the first and second plates 9, 10, 15, 16 on the driving side and the driven side. Since 10e, 15e, and 16e are formed, the strength of each of the first and second plates 9, 10, 15, and 16 themselves can be increased.

  In addition, since the ribs 9e, 10e, 15e, and 16e are long in the vertical direction, the strength against the first and second plates 9, 10, 15, and 16 on which the load directed in the vertical direction acts is further increased. Can be increased. In addition, since the ribs 9e, 10e, 15e, and 16e are provided at the outer peripheral portion of the bearing member 6, further strength can be ensured.

  Further, in this case, ribs 9e, 10e, 15e, 16e formed on the first and second plates 9, 10, 15, 16 are recessed in a direction approaching each other, and these ribs 9e, 10e, 15e, 16e are formed. Since the groove bottom pieces 9f, 10f, 15f, and 16f are abutted and integrated with each other, the first and second plates 9 and 10, and 15 and 16 are integrated with each other with a facing interval T between them. In addition to being able to be laminated with the facing distance T maintained with high accuracy, the strength of the plate formed by integrating the first and second plates 9 and 10 can be increased.

  Further, in this case, the reinforcing bent piece portions 9b, 9c, 9d, 10b, 10c, 10d are provided on the upper and lower edge portions and the rear edge portion of the first and second plates 9, 10, 15, 16 respectively. , 15b, 15c, 15d, 16b, 16c, and 16d are formed, so that further strength of the plates 9, 10, 15, and 16 can be secured.

In addition, the driving side third plate 11 is formed with reinforcing bent pieces 11b and 11c at the upper and lower edges, and the driving side third plate 17 is formed with reinforcing bent pieces 17a at the front edge part. Therefore, the strength of each of the third plates 11 and 17 can be improved, and further strength of the support brackets 7 and 8 can be secured.

  Further, in this, the reinforcing bent pieces 9d, 10d, 15d, and 16d formed at the rear edges of the first and second plates 9 and 10, 15 and 16 are the pieces attached to the housing. However, the fourth plates 13 and 18 are integrally provided in the respective portions, and further strength can be secured. At this time, the fourth plates 13 and 18 are connected to the first and second plates 9 and 9, respectively. Since the reinforcing bent pieces 9d and 10d and 15d and 16d at the rear edge portions of the 10, 15 and 16 are integrated, the integration of the first and second plates 9 and 10 and 15 and 16 is strengthened. Therefore, the strength of each of the support brackets 7 and 8 can be increased.

  Moreover, since the U-shaped groove 19 following the bearing through holes 15a and 16a is integrally formed in the driven side support bracket 8, the assembling work of the winding shaft 3a can be performed smoothly.

  The drive-side bracket 7 is attached with an opening / closing device 4 that is linked to the winding drum 3, and the opening / closing device 4 is a third plate stacked between the drive-side first and second plates 15, 16. 17 and the third plate 17 can be incorporated with respect to the first and second plates 15 and 16 so that the position of the third plate 17 can be adjusted. Therefore, the adjustment in the interlocking connection state of the opening / closing machine 4 and the winding shaft 3a can be performed. It can be performed with good workability.

It is a front view of the principal part which notched some shutter devices for construction. FIGS. 2A and 2B are a plan view of a main part and a side view with a part cut away, respectively. 3A, 3B, and 3C are a front view, a side view, and a front view of the drive side support bracket, respectively, of the drive side first plate. 4A, 4 </ b> B, and 4 </ b> C are a plan view, a side view, and a cross-sectional view taken along line XX in FIG. 4B, respectively. FIGS. 5A, 5B, and 5C are a plan view, a front view, and a side view, respectively, of the driven side first plate. FIGS. 6A, 6B, and 6C are a side view, a front view, and a plan view of the driven third plate, respectively. FIGS. 7A, 7B, and 7C are a plan view, a front view, and a side view of the driven side support bracket, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shutter curtain 3 Winding drum 3a Winding shaft 4 Opening and closing machine 6 Bearing member 7 Drive side support bracket 8 Driven side support bracket 9 Drive side first plate 9b Reinforcement bending piece 9e rib 10 Drive side second Plate 11 Drive side third plate 11a Reinforcement bent piece 13 Drive side fourth plate 15 Drive side first plate 16 Drive side second plate 17 Drive side third plate

Claims (5)

A pair of support brackets, in which the end of the winding shaft around which the shutter curtain that opens and closes the chassis opening is wound is supported by the chassis, and the support bracket whose rear edge is fixed to the chassis is laminated with a predetermined gap in the left-right direction. When the first and second plates are integrated with the third plate inserted and fixed to at least one of the front edge portion or the upper and lower edge portions between the first and second plates, the first and second plates are integrated. The two plates are provided with at least one rib, which is long in the vertical direction on each plate surface and recessed in the direction close to each other, at a position facing each other, between the first and second plates. said predetermined gap formed, the contact said first fixed against the groove bottom piece between the ribs opposite to the building shutter device characterized by being formed by integrating the second plate to each other Support bracket that. First, at least one side edge of the second plate, for building of claim 1 in which the first to bending in a direction away from each other, the second reinforcement bent pieces are formed bent Support bracket in shutter device. The support in the architectural shutter device according to claim 1 or 2 , wherein the first and second plates are integrally provided with a reinforcing plate that is applied to the rear edge portion and integrates the first and second plates. bracket. A pair of support brackets that respectively support the left and right end portions of the take-up shaft are provided, and one of the pair of support brackets has a bearing portion and a built-in concave portion that follows the bearing portion. A support bracket in the architectural shutter device according to any one of claims 1 to 3 . The winding shaft is configured to rotate in the forward and reverse directions based on the forward and reverse driving of the opening and closing machine, and the opening and closing machine is fixed to the opening and closing unit mounting part of the third plate constituting the driving side support bracket, The support bracket in the architectural shutter device according to any one of claims 1 to 4 , wherein the third plate is provided so as to be movable in the front-rear direction with respect to the first and second plates.

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