JP6324261B2 - Screen fixing structure of roll screen - Google Patents

Description

  The present invention relates to a screen in which light-impermeable portions and light-transmitting portions are alternately formed continuously in the winding direction of the screen and folded back at the lower end, and a dough pattern is formed by punching the fabric. The present invention relates to a roll screen provided with a screen or the like that has a pattern and is folded back at the lower end. More specifically, the present invention relates to a structure for fixing the roll screen.

  Conventionally, a pair of brackets are arranged opposite to both ends of the upper end support bar attached to the ceiling or wall, and both ends of the take-up rod are rotatably attached to these brackets, and the take-up is taken up via a sprocket member. An adjustment cord is provided between one bracket and the take-up rod to rotate the rod, and one end of a blind sheet provided with alternating transparent and opaque portions is fixed to the take-up rod and There is known a blind for adjusting daylighting in which the other end is fixed to an upper end support bar (see, for example, Patent Document 1). In this blind, a weight body that applies tension to the blind sheet is provided at the lower end of the blind sheet.

  In the blind constructed as described above, the front blind sheet and the rear blind sheet can be quickly adjusted by aligning or shifting the transparent and opaque portions of the blind sheet. As a result, indoor lighting can be adjusted effectively and quickly. Also, only one end of the roll type blind is wound on the winding rod or unwound from the winding rod, and the other end is fixed on the support bar. The overlap can be adjusted accurately and easily.

JP 2006-29072 A (Claim 1, paragraph [0049], FIG. 4 and FIG. 5)

  In the blind shown in the above-mentioned conventional patent document 1, when the position of the adjustment cord (operation chain) is changed after the blind is installed, the upper end support bar is moved left and right together with the winding rod and the blind sheet (screen). By reversing, the position of the adjustment code can be changed. However, in this case, since the blind sheet located on the window side moves to the indoor side by the width in the front-rear direction of the upper end support bar, there is a problem of narrowing the indoor space.

  The first object of the present invention is to improve the operability of the operation chain by making it possible to change the operation chain to either the left or right or the other of the screen with a relatively simple operation without reducing the indoor space. An object of the present invention is to provide a screen fixing structure for a roll screen. The second object of the present invention is to fix the other end of the screen to the sheet portion with a hook-and-loop fastener or the like, so that the fixing operation of the other end of the screen to the recess of the winding pipe can be performed relatively easily. It is to provide a screen fixing structure of a roll screen. The third object of the present invention is to perform the operation of changing the operation chain so as to be positioned on either the left or right side or the other side of the screen without removing the weight member from the screen. An object of the present invention is to provide a screen fixing structure for a roll screen that can further improve the workability of position change.

  As shown in FIGS. 1 and 5, the first aspect of the present invention is a head rail 14 that is detachably attached to a wall, window frame, or ceiling 13 and is disposed opposite to both ends of the head rail 14. A pair of support plates 11, 12, a take-up pipe 16 whose both ends are rotatably supported by these support plates 11, 12, one end being fixed to the head rail 14 and the other end being able to be fed out to the take-up pipe 16 A screen 17 that is wound up and folded back at the lower end to be doubled, a weight member 18 that is attached to the screen 17 so as to be always positioned at a folded portion of the screen 17 and applies tension to the screen 17, and a winding pipe A single operation chain 19 provided on either the left or right side of the screen 17 is operated to feed or wind the screen 17 by rotating the screen 16 forward or backward. A pair of pockets 14 f and 14 g extending in the longitudinal direction of the head rail 14 are formed on the front surface and the rear surface of the head rail 14, respectively, and the winding pipe 16 is formed on the outer peripheral surface of the winding pipe 16. A recess 16a extending in the longitudinal direction is formed, one end of the screen 17 is selectively fixed to one of the pair of pockets 14f and 14g via the first fixing member 31, and the other end of the screen 17 is recessed. It is fixed to the strip 16a through a second fixing member 32.

  2nd viewpoint of this invention is invention based on 1st viewpoint, Comprising: As shown in FIG.1 and FIG.5, as shown in FIG.1 and FIG.5, the insertion part 32a by which the 2nd fixing member 32 is inserted in the concave 16a, A sheet portion 32b that is provided integrally with the insertion portion 32a and has flexibility and protrudes from the recess 16a, and a surface fastener 32c or a double-sided adhesive tape that fixes the other end of the screen 17 to the sheet portion 32b. It is characterized by that.

  A third aspect of the present invention is an invention based on the first aspect, and further, as shown in FIGS. 13 to 16, a pair of weight members 50 are provided respectively extending in the width direction of the screen 17. The weight bars 51 and 52 have a pair of left and right caps 53 that are attached to both ends of the weight bars 51 and 52 and connect the weight bars 51 and 52 to each other at a predetermined interval. The screen 17 is configured to be loosely inserted between the pair of weight bars 51, 52.

  In the screen fixing structure of the roll screen according to the first aspect of the present invention, a pair of pockets are formed on the front and rear surfaces of the head rail, a recess is formed on the outer peripheral surface of the winding pipe, and one end of the screen is connected to the pair of screens. The first fixing member is selectively fixed to any one of the pockets, and the other end of the screen is fixed to the recess via the second fixing member. When shifting the operation chain from one of the left and right sides of the screen to the other, first, the screen is positioned on the window side in the front-rear direction of the head rail by fixing one end of the screen to one pocket via the first fixing member, When changing the operation chain from either the left or right side of the screen to the left or right side of the screen, first remove the weight member from the screen and then remove one end of the screen from one pocket. Turn it over. Next, one end of the screen is fixed to the other pocket via the first fixing member, and in this state, the head rail is reversed left and right together with the support plate and the like. Furthermore, a weight member is attached to the lower end of the screen. At this time, the screen located on the window side in the front-rear direction of the head rail is once positioned on the indoor side by turning the screen upside down and fixed to the other pocket at one end of the screen. Move to the window side. As a result, the operation chain can be changed to be positioned on either the left or right or the other side of the screen by the relatively simple work as described above without narrowing the indoor space, thereby improving the operability of the operation chain.

  In the screen fixing structure of the roll screen according to the second aspect of the present invention, the other end of the screen is fixed to the sheet portion with a hook-and-loop fastener or a double-sided adhesive tape. It can be done relatively easily.

  In the screen fixing structure of the roll screen according to the third aspect of the present invention, since the screen is loosely inserted between a pair of weight bars connected to each other by a pair of left and right caps, the operation chain is attached to either the left or right of the screen or the other The operation of changing the position to the position can be performed with the screen loosely inserted between the pair of weight bars without removing the weight member from the screen. As a result, the workability of changing the position of the operation chain can be further improved.

It is the sectional view on the AA line of FIG. 5 which shows the screen fixing structure of the roll screen of 1st Embodiment of this invention. FIG. 7 is a cross-sectional view taken along the line B-B of FIG. 6 showing a state immediately after the screen is completely fed from the winding pipe and the winding pipe is further rotated in the screen feeding direction to wind the screen in the reverse direction. It is CC sectional view taken on the line of FIG. 7 which shows the state fixed to the other pocket after removing one end of the screen from one pocket and inverting the screen. It is the DD sectional view taken on the line of FIG. 8 which shows the state which left-right inverted the head rail with the support plate, the winding pipe, and the screen. It is E arrow line view of FIG. FIG. 3 is a view taken in the direction of arrow F in FIG. 2. FIG. 4 is a G arrow view of FIG. 3. FIG. 5 is a view taken in the direction of arrow H in FIG. 4. It is the II sectional view taken on the line of FIG. 5 which shows the procedure which removes the support bar of a roll screen from the bracket attached to the ceiling. FIG. 6 is an enlarged vertical sectional view of a portion J in FIG. 5. It is the KK sectional view taken on the line of FIG. It is L arrow directional view of FIG. FIG. 11 is an enlarged longitudinal sectional view corresponding to FIG. 10 showing a second embodiment of the present invention. It is the MM sectional view taken on the line of FIG. It is the NN sectional view taken on the line of FIG. It is a P arrow view of FIG.

  Next, an embodiment for carrying out the present invention will be described with reference to the drawings.

<First Embodiment>
As shown in FIGS. 1 and 5, the roll screen 10 includes a head rail 14 that is detachably attached to a ceiling 13, and first and second support plates 11 that are disposed to face both ends of the head rail 14. 12, a winding pipe 16 whose both ends are rotatably supported by the first and second support plates 11 and 12, and one end fixed to the head rail 14 and the other end wound around the winding pipe 16 so as to be able to be fed out. The screen 17 is folded back at the lower end and is doubled, the weight member 18 attached to the screen 17 so as to be always located at the folded portion of the screen 17, and the winding pipe 16 is rotated forward or backward to reverse the screen. And a single operating chain 19 which is operated to feed out or wind up 17. The head rail 14 is attached to the ceiling 13 via a pair of brackets 23, 23. That is, a pair of brackets 23 and 23 are attached to the ceiling 13 located above the window with screws 24 at a distance narrower than the total length of the head rail 14, and a single head rail is attached to these brackets 23 and 23. 14 extends in the width direction of the window and is attached along the ceiling 13, and the first and second support plates 11 and 12 are attached to both ends of the head rail 14 so as to face each other. The head rail 14 is formed by extrusion molding or pultrusion molding of aluminum or aluminum alloy, and the brackets 23 and 23 and the first and second support plates 11 and 12 are formed by press molding of a steel plate or by resin molding. It is formed.

  The pair of brackets 23, 23 are provided with attachment / detachment devices 26 for attaching / detaching the head rail 14 to / from the brackets 23, 23 (FIGS. 1, 5, and 9). The head rail 14 is formed in a substantially channel shape whose upper surface is open, and has a bottom wall 14a, and first and second side walls 14b and 14c that stand on the bottom wall 14a at predetermined intervals in the front-rear direction. (FIG. 9). The first side wall 14b is provided with a first engaging portion 14d that protrudes inward of the head rail 14 and opens inward, and has a substantially inverted C-shaped cross section. The second side wall 14c has a first engaging portion 14d. A second engaging portion 14e having a reverse C-shaped cross section that protrudes inward and opens inward is provided. The attachment / detachment device 26 is formed so that the first engagement portion 14d can be engaged and the first engagement piece 26a fixed to the bracket 23 and the second engagement portion 14e can be engaged with each other. The second engaged piece 26b attached to the bracket 23 so as to be slidable in the direction approaching the engaged piece 26a, and the second engaged piece 26b are urged in a direction away from the first engaged piece 26a. And a lever 26d provided integrally with the second engaged piece 26b and projecting from the bracket 23. Here, by turning the head rail 14 left and right, the first engaging portion 14d of the head rail 14 is engaged with the second engaged piece 26b, and the second engaging portion 14e of the head rail 14 is engaged with the first engaged portion. It engages with the engagement piece 26a (FIG. 4).

  First and second pockets 14f and 14g extending over the entire length in the longitudinal direction of the head rail 14 are formed on the front and rear surfaces of the head rail 14, respectively (FIGS. 1 and 9). Specifically, the first pocket 14 f is formed to open to the outside of the first side wall 14 b of the head rail 14 with the upper surface narrowed from the inside, and the second pocket 14 g is the second side wall of the head rail 14. It is formed so as to open outside 14c with its upper surface narrowed from the inside. A single first fixing member 31 can be selectively inserted into the first and second pockets 14f and 14g. The first fixing member 31 is formed of polystyrene or the like into a strip shape having a length substantially the same as the length of the take-up pipe 16 and a width narrower than the height of the first and second pockets 14f and 14g. The Then, the first fixing member 31 is inserted into one of the first or second pockets 14f and 14g with one end of the screen 17 wound around the first fixing member 31, so that one end of the screen 17 is first or It is selectively fixed to one of the second pockets 14f and 14g via the first fixing member 31.

  On the screen 17, light-transmitting portions 17 a and light-impermeable portions 17 b are formed alternately and continuously in the winding direction (FIGS. 1 and 5). In this embodiment, the translucent portion 17a and the non-translucent portion 17b are formed extending in the horizontal direction. The translucent portion 17a means that light can be transmitted, and includes both transparent and translucent, and ventilation is also possible by roughening the woven structure of the fabric. The translucent portion 17a is formed of a mesh-like cloth having a light transmittance of 40 to 95%, preferably 60 to 95%. Here, the light transmittance of the translucent part 17a is limited within the range of 40 to 95%. If the light transmittance is less than 40%, a desired light intensity cannot be obtained, and if it exceeds 95%, the strength of the screen 17 decreases. Because it will end up. The non-light-transmitting portion 17b means that light cannot be transmitted, and is made by sticking a metal foil made of aluminum or the like to the fabric or increasing the density of the fibers. The screen 17 is configured so that both surfaces can be used as a design surface, that is, both surfaces can be exposed indoors, by forming the front surface and the back surface with substantially the same color and texture.

  On the other hand, the winding pipe 16 is formed in a cylindrical shape having a circular cross section (FIG. 1). One end of the winding pipe 16 is rotatably held on the first support plate 11 via the first rotating shaft 21 (FIG. 5). The other end of the winding pipe 16 is rotatably held in a state where a certain resistance is applied to the second support plate 12 via the resistance applying device 27 and the second rotating shaft 22. A pulley (not shown) is fitted to the second rotating shaft 22, and an endless ring-shaped operation chain 19 is wound around the pulley. Thus, a single operation chain is provided on either the left or right side of the screen. Further, by pulling down either the front side or the rear side of the operation chain 19 against a certain resistance by the resistance applying device 27, the winding pipe 16 is centered on the first and second rotating shafts 21 and 22. , And the screen 17 is wound around the winding pipe 16 so as to be lifted or fed out to be lowered (FIGS. 1 and 5). The resistance applying device 27 has a function of preventing the winding pipe 16 from rotating in the direction in which the screen 17 is extended due to the weight of the screen 17 and the weight of the weight member 18 attached to the lower edge of the screen 17. Have The winding pipe 16 is formed by extrusion molding or pultrusion molding such as aluminum or aluminum alloy.

  A recess 16a extending over the entire length of the winding pipe 16 in the longitudinal direction is formed on the outer peripheral surface of the winding pipe 16, and the other end of the screen 14 is fixed to the recess 16a via a second fixing member 32 (see FIG. 1). The concave strip 16a has a narrow groove portion 16b that is exposed to the outer peripheral surface of the winding pipe 16 and has a narrow width, and a wide groove portion 16c that is continuous with the narrow groove portion 16b and has a wide width. The second fixing member 32 includes an insertion portion 32a inserted into the wide groove portion 16c, a sheet portion 32b that is provided integrally with the insertion portion 32a, has flexibility, and protrudes from the narrow groove portion 16b, and the screen 17. And a hook-and-loop fastener 32c for attaching the other end to the seat portion 32b. The insertion portion 32a and the sheet portion 32b of the second fixing member 32 are formed of a plastic such as polyethylene or vinyl chloride, or an elastomer such as natural rubber or synthetic rubber.

  On the other hand, the weight member 18 is provided at the folded portion at the lower end of the screen 17 in order to apply tension to the screen 17 (FIGS. 1 and 5). As shown in detail in FIGS. 10 to 12, the weight member 18 is formed in a cylindrical shape slightly longer than the width of the screen 17, and is in contact with the inner surface of the folded portion of the screen 17 to roll on the inner surface of the weight bar 18 a. A pair of bearings 18b that are press-fitted into both ends of the weight bar 18a and formed with an insertion hole 18d at the center, and are inserted into the insertion hole 18d so as to be rotatable relative to the bearing 18b, and close the end face of the bearing 18b. And a cap 18c. The bearing 18b is configured to be non-rotatable with respect to the weight bar 18a by being press-fitted into the weight bar 18a. A pair of elastically deformable locking claws 18e, 18e project from the tip of the cap 18c, and these locking claws 18e, 18e are locked to the end face of the bearing 18b so as to be relatively rotatable, thereby allowing the weight bar 18a. It is configured not to come off. However, the bearing 18b and the cap 18c are formed with a through hole 18f and a through hole 18g respectively communicating with each other in the longitudinal direction, and by inserting a long and narrow tool (not shown) into these holes 18f and 18g. The pair of locking claws 18e, 18e of the cap 18c locked to the front end surface of the bearing 18 can be removed from the front end surface of the bearing 18b. 1 to 4 and 12, reference numeral 18h denotes a plurality of concave grooves formed on the outer peripheral surface of the weight bar 18a at predetermined intervals in the circumferential direction and extending in the longitudinal direction. These concave grooves 18h are formed so that the weight bar 18a rolls reliably without sliding on the inner surface of the screen 17. 1 to 4 and FIGS. 10 to 12 is a rotation blocking portion protruding so as to cover the lower surface of the folded portion of the screen 17 with a gap from the lower portion of the cap 18c. The rotation preventing portion 18i is provided to prevent the cap 18c from rotating together with the bearing 18b and the weight bar 18a.

  A method of attaching the roll screen 10 thus configured to the ceiling 13 will be described with reference to FIGS. First, the first and second support plates 11 and 12 are attached to both ends of the head rail 14, and the take-up pipe 16 is attached between the support plates 11 and 12. At this time, the insertion portion 32a of the second fixing member 32 is inserted in advance into the recess 16a of the winding pipe 16, and the operation chain 19 is wound around the pulley. Next, the first fixing member 31 is inserted into the first pocket 14f of the head rail 14 with one end of the screen 17 wound around the first fixing member 31, whereby one end of the screen 17 is inserted into the first pocket 14f. The other end of the screen 17 is fixed to the recess 16a by fixing the other end of the screen 17 to the sheet portion 32b of the second fixing member 32 via the surface fastener 32c. Secure through. Further, a pair of brackets 23, 23 are fixed to the ceiling 13 with screws 24 at a predetermined interval, and the head rail 14 is attached to these brackets 23, 23 via an attachment / detachment device 26. At this time, the first fixing member 31 is positioned on the window side of the head rail 14 in the front-rear direction, and the operation chain 19 is positioned on the right side of the screen 17 when viewed from the indoor side. This completes the work of attaching the roll screen 10 to the ceiling 13.

  Next, an operation of inverting the roll screen 10 in order to shift the operation chain 19 from the right side to the left side of the screen 17 will be described. As shown in FIG. 5, when the operation chain 19 is located on the right side of the screen 17, but it is necessary to move the operation chain 19 to the left side of the screen 17 due to room redesign, After operating the operation chain 19 to draw out almost all the screen 17 (FIGS. 1, 2, 5 and 6), the weight member 18 is removed from the screen 17. In this state, one end of the screen 17 is pulled out of the first pocket 14 f of the head rail 17 together with the first fixing member 31 and removed. Next, the screen 17 is turned over, and one end of the screen 17 is inserted into the second pocket 14 g of the head rail 14 together with the first fixing member 31, whereby one end of the screen 17 is inserted into the second pocket 14 g via the first fixing member 31. Then, the weight member 18 is attached to the folded portion of the screen 17 (FIGS. 3 and 7). In this state, the lever 26d of the attaching / detaching device 26 is pushed in and the head rail 14 is removed from the pair of brackets 23, 23, and then the head rail 14 is reversed left and right together with the first and second support plates 11, 12, etc. The head rail 14 is attached to the pair of brackets 23 and 23 through the attachment / detachment device 26 together with the first and second support plates 11 and 12 (FIGS. 4 and 8). As a result, the first fixing member 31 is positioned on the window side of the head rail 14 in the front-rear direction, and the operation chain 19 is positioned on the left side of the screen 17 when viewed from the indoor side. Further, by operating the operation chain 19 and operating the operation chain 19 in the feeding direction as it is, the screen 17 is wound around the winding pipe 16 in the reverse direction. The operation chain 19 can be changed so as to be positioned on the left side of the screen 17 by such a relatively simple operation, whereby the operability of the operation chain 19 can be improved. Although the screen 17 located on the window side in the front-rear direction of the head rail 14 is once located on the indoor side by turning the screen 17 upside down and fixing one end of the screen 17 to the second pocket 14g, Since the screen is shifted again to the window side by reversing the left and right, the indoor space is not narrowed by the screen 17.

<Second Embodiment>
13 to 16 show a second embodiment of the present invention. 13 to 16, the same reference numerals as those in FIGS. 10 to 12 denote the same components. In this embodiment, the weight member 50 extends in the width direction of the screen 17, and a pair of weight bars 51, 52 respectively provided at both ends of the weight bars 51, 52. , 52 and a pair of left and right caps 53 that connect each other at a predetermined interval. And it is comprised so that the screen 17 may be loosely inserted between a pair of weight bars 51 and 52 mutually connected. The weight member 50 is provided at the folded portion at the lower end of the screen 17 in order to apply tension to the screen 17 as in the weight member of the first embodiment (FIGS. 13 and 16). The pair of weight bars 51 and 52 are formed in the same shape, and the pair of left and right caps 53 are also formed in the same shape. The pair of weight bars 51, 52 are formed in a cylindrical shape slightly longer than the width of the screen 17, and either one of the pair of weight bars 51, 52 comes into contact with the inner surface of the folded portion of the screen 17, thereby Configured to roll. Further, a pair of bearings 54 and 54 having insertion holes 51a and 52a formed in the center are press-fitted into both ends of the weight bars 51 and 52, respectively. Accordingly, the pair of bearings 54 and 54 are configured to be non-rotatable with respect to the weight bars 51 and 52.

  On the other hand, the cap 53 includes a single cap main body 53a formed in a substantially elliptical plate shape, and a pair of cylindrical bodies 53b provided integrally with the cap main body 53a and projecting in parallel with each other at a predetermined interval. 53b, and two elastically deformable locking claws 53c that protrude from the front end surfaces of the cylindrical bodies 53b and 53b at predetermined intervals. The pair of cylindrical bodies 53b and 53b of the cap 53 are inserted into the insertion holes 51a and 52a so as to be relatively rotatable with respect to the bearings 54 and 54 press-fitted into the pair of weight bars 51 and 52, respectively. The end surfaces of the bearings 54, 54 are configured to be closed. Further, the cap 53 is configured not to come out of the pair of weight bars 51 and 52 by the locking claw 53c being locked to the end face of the bearing 54 so as to be relatively rotatable. However, the bearing 54 and the cap 53 are each formed with a through hole 54a and a through hole 53d in communication with each other in the longitudinal direction, and by inserting a long and narrow tool (not shown) into these holes 54a and 53d. The locking claw 53c of the cap 53 locked to the front end surface of the bearing 54 can be removed from the front end surface of the bearing 54. In addition, the code | symbol 51b, 52b in FIG. 16 is the some ditch | groove formed in the outer peripheral surface of a pair of weight bar 51,52 at predetermined intervals in the circumferential direction, and extending in the longitudinal direction, respectively. These concave grooves 51b and 52b are formed so that the weight bars 51 and 52 roll reliably without sliding on the inner surface of the screen 17. Of the pair of weight bars 51, 52, the lower weight bar 52 that is not in contact with the screen 17 is the function of the rotation preventing portion of the first embodiment, that is, the cap 53 is the bearing 54 and the upper weight. It has a function of preventing rotation with the bar 51.

  In the roll screen configured as described above, since the screen 17 is loosely inserted between the pair of weight bars 51 and 52 connected to each other by the pair of left and right caps 53, the operation chain 19 is moved to either the left or right of the screen 17 or The operation of changing to the other side can be performed in a state where the screen 17 is loosely inserted between the pair of weight bars 51 and 52 without removing the weight member 18 from the screen 17. As a result, the workability of changing the position of the operation chain 19 can be improved as compared with the first embodiment. Since the operation other than the above is substantially the same as the operation of the first embodiment, repeated description will be omitted.

  In the first and second embodiments, the screen in which the opaque portions and the transparent portions are alternately and continuously formed in the winding direction of the screen is described. However, a hole is formed in the cloth. It may be a screen made of a design or a pattern, or a screen made of a normal non-patterned fabric or a patterned fabric. In the first and second embodiments, the translucent part and the non-translucent part of the screen are formed extending in the horizontal direction, but the translucent part and the non-translucent part are arranged in the winding direction of the screen. If the light-transmitting portions and the light-impermeable portions are formed alternately and continuously in the vertical direction of the screen, the light-transmitting portions and the light-impermeable portions are inclined. The light-transmitting portions and the light-impermeable portions may be arranged in a checkered pattern or a zigzag pattern, respectively. Moreover, in the said 1st and 2nd embodiment, although the other end of the screen was fixed to the sheet | seat part with the surface fastener, you may fix the other end of a screen to a sheet | seat part with a double-sided adhesive tape. Further, in the first and second embodiments, when the roll screen is turned over, the weight member is removed from the screen after the entire screen has been drawn out, and one end of the screen is attached to the first rail of the head rail together with the first fixing member. Withdrawing from one pocket, turning the screen over, and inserting one end of the screen into the second pocket of the head rail together with the first fixing member. Work may be performed. In this case, the screen reversal operation is slightly easier. However, after the reversing work of the roll screen is completed, the operation chain is operated to feed out the entire screen, and the operation chain is further operated in the same direction as the feeding direction, so that the screen is wound around the winding pipe in the reverse direction. By this operation, the drawn-out screen moves from the winding pipe to the window side, so that the indoor space is not narrowed by the screen.

DESCRIPTION OF SYMBOLS 10 Roll screen 11, 12 Support plate 13 Ceiling 14 Head rail 14f, 14g Pocket 16 Winding pipe 16a Recess 17 Screen 18, 50 Weight member 19 Operation chain 31 1st fixing member 32 2nd fixing member 32a Insertion part 32b Sheet part 32c Hook fastener 51,52 Weight bar 53 Cap

Claims (3)

A head rail that is detachably attached to a wall, window frame, or ceiling, a pair of support plates disposed opposite to both ends of the head rail, and a winding pipe that is rotatably supported at both ends by these support plates A screen having one end fixed to the head rail and the other end wound around the take-up pipe so as to be able to be fed out and folded at the lower end to be doubled, and always located at the folded portion of the screen. A weight member attached to the screen for applying tension to the screen, and a single unit provided on either the left or right side of the screen, which is operated to feed or wind the screen by rotating the winding pipe forward or backward. In a roll screen with one operation chain,
A pair of pockets extending over the entire length in the longitudinal direction of the head rail are formed on the front and rear surfaces of the head rail, respectively.
A concave line extending over the entire length in the longitudinal direction of the winding pipe is formed on the outer peripheral surface of the winding pipe,
One end of the screen is selectively fixed to one of the pair of pockets via a first fixing member,
A screen fixing structure for a roll screen, wherein the other end of the screen is fixed to the recess via a second fixing member.   The second fixing member includes an insertion portion that is inserted into the recess, a flexible sheet that is provided integrally with the insertion portion and protrudes from the recess, and the other end of the screen. The screen fixing structure for a roll screen according to claim 1, further comprising a hook-and-loop fastener or a double-sided adhesive tape that is fixed to the sheet portion.   The weight member is a pair of weight bars provided extending in the width direction of the screen and a pair of left and right attached to both ends of the weight bars and connecting the weight bars to each other at a predetermined interval. The roll screen screen fixing structure according to claim 1, further comprising: a cap, wherein the screen is loosely inserted between the pair of weight bars connected to each other.

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