JP2022173667A - roll screen - Google Patents

Abstract

To provide a roll screen that can be loaded evenly over the entire width direction of the screen.SOLUTION: A roll screen Sr includes a screen Sc and a weight bar 10. The roll screen Sr is configured such that one end portion of the screen Sc is connected to a rotatable winding pipe Pr so as to be freely wound and unwound, and the other end portion of the screen Sc hangs down from the winding pipe Pr, is folded back by the weight bar 10, and is connected to a fixing member Mf provided in the vicinity of the winding pipe Pr. The weight bar 10 includes a rotary pipe 11 disposed at a folded portion of the screen Sc, and a side cap 21 rotatably supporting the rotary pipe 11. The weight bar 10 has a weight 31 for adding a weight to the rotary pipe 11 disposed inside the rotary pipe 11.SELECTED DRAWING: Figure 2

Description

The present invention relates to roll screens. In particular, the present invention relates to the structure of a roll screen in which a screen hanging down from a winding pipe is folded back with a weight bar and connected to a set frame.

One end of the screen, in which the permeable part and the impermeable part are alternately arranged, is fixed to a rotatable winding pipe whose both ends are supported by the set frame placed above, and the screen hanging from the winding pipe is attached to the weight bar. Japanese Laid-Open Patent Publication No. 2002-100002 discloses a roll screen in which the screen is folded back at the ends, the other end of the screen is connected to a set frame, and the folded screen is stretched with a weight bar serving as a weight (see, for example, Patent Document 1).

JP 2014-173317 A

In the roll screen according to Patent Document 1, one end of the screen is connected to a rotatable winding pipe so that it can be wound and unwound, and the other end of the screen hangs down from the winding pipe and is folded back by a weight bar and wound up. It is connected to a fixed member provided near the pipe.

The weight bar according to Patent Document 1 includes a rotating pipe, a pair of pipe caps, a C-shaped channel-shaped weight bar main body, a pair of side caps, and a strip-shaped adjustment weight.

The rotary pipe is arranged in the folded portion of the screen. A pair of pipe caps are engaged with both ends of the rotary pipe. The weight body is arranged below the rotary pipe. A pair of side caps are fixed to both ends of the weight body. Also, the pair of side caps bears the pipe cap.

The adjustment weight is arranged inside the weight bar body. Further, the adjustment weight can be moved along the longitudinal direction of the weight bar body, and its position can be adjusted from the lower surface of the weight body.

In the roll screen according to Patent Document 1, the adjustment weight is provided inside the weight bar body so that the position can be adjusted. It states that by shifting the position of the adjustment weight to the right position, the disturbance of winding can be prevented.

In addition, in the roll screen according to Patent Document 1, the adjustment weight contributes to increase the weight of the entire weight bar, so it is possible to suppress the front and rear screen surfaces from swelling due to the load being applied to the folded portion of the screen. .

However, in the roll screen according to Patent Document 1, since the adjustment weight is provided inside the weight bar body, the rotating pipe around which the folded portion of the screen is wound receives the load from the side cap fixed to the end of the weight bar body. is received by the pipe cap. For this reason, the load is not evenly applied to the center of the rotating pipe in the longitudinal direction, and the load is applied from the rotating pipe to both ends of the screen, making it difficult to keep the screen flat over the entire length in the width direction. There was a problem.

There is a demand for a roll screen that can evenly apply a load to the folding portion of the screen over the entire length in the width direction of the screen. And the above can be said to be the subject of the present invention.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a roll screen capable of evenly applying a load to the folding portion of the screen over the entire length in the width direction of the screen. do.

The present inventor has constructed a weight bar with a rotating pipe arranged at the folded portion of the screen and a side cap that rotatably supports the rotating pipe, and a weight that adds weight to the rotating pipe is arranged inside the rotating pipe. Therefore, the inventors thought that a load could be applied uniformly over the entire length of the screen in the width direction, and this led to the invention of the following new roll screen.

(1) The roll screen according to the present invention has one end of the screen connected to a rotatable winding pipe so that it can be wound and unwound, and the other end of the screen hangs down from the winding pipe and is supported by a weight bar. A roll screen that is folded back and connected to a fixed member provided in the vicinity of the winding pipe, wherein the weight bar includes a rotating pipe arranged at the folded portion of the screen and rotatably supporting the rotating pipe. and a weight that adds weight to the rotating pipe is disposed inside the rotating pipe.

(2) Preferably, the weight is held by a pipe cap attached to the end of the rotating pipe.

(3) It is preferable that the weight comprises a weight body and a covering member that accommodates the weight body therein.

(4) Preferably, the covering member has a length covering substantially the entire length of the rotating pipe, and both ends of the covering member are positioned by the pipe caps.

(5) The weight body may be shorter in overall length than the covering member.

(6) It is preferable that the covering member form a restricting portion that restricts movement of the weight body housed in the covering member.

In the roll screen according to the present invention, since the weight is arranged inside the rotating pipe, the load of the rotating pipe is applied to the folded portion of the screen over the entire length in the width direction of the screen, and the front and rear screen surfaces are flattened. can be kept in

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the whole roll screen structure by 1st Embodiment of this invention. FIG. 2 is a vertical cross-sectional view showing the configuration of a weight bar provided in the roll screen according to the first embodiment, and is a cross-sectional view taken along the line AA in FIG. 1; FIG. 3A is a longitudinal cross-sectional view of the central portion of the weight bar according to the prior art in which no weight is arranged inside the rotary pipe; FIG. 3(B) is a vertical cross-sectional view of the central portion of the weight bar according to the first embodiment in which the weight is arranged inside the rotating pipe. FIG. 4A is a diagram comparing the weight bar according to the conventional technology and the weight bar according to the first embodiment, FIG. FIG. 4B is a front view of the weight bar according to the first embodiment in which the weight is arranged inside the rotating pipe. FIG. 4 is a partial vertical cross-sectional view showing the structure of a weight bar provided on the roll screen according to the first embodiment; FIG. 3 is an enlarged cross-sectional view of a main part showing the structure of a weight bar provided on the roll screen according to the first embodiment; FIG. 7 is a cross-sectional view taken along line BB of FIG. 6; 7 is a cross-sectional view taken along line CC of FIG. 6; FIG. FIG. 4 is a perspective exploded view showing the configuration of a rotating pipe provided in the roll screen according to the first embodiment; FIG. 4 is a partially enlarged perspective view showing the structure of a weight bar provided on the roll screen according to the first embodiment; Fig. 11(A) is a right side cross-sectional view showing the configuration of the weight bar provided in the roll screen according to the first embodiment, Fig. 11(A) is a light shielding state diagram in which the weight bar is positioned at the lowest end, Fig. 11(B); 11(A) is a lighting state diagram in which the screen is wound up from the state shown in FIG. 11(A). FIG. FIG. 12A is a longitudinal sectional view showing a modified example of the weight provided in the roll screen according to the first embodiment, FIG. 12(C) is a state diagram in which three short weight bodies are housed in the covering member, and FIG. 1 is a state diagram in which the weight body is housed in the central portion of the covering member, and short weight bodies arranged at both ends of the covering member are supported by pipe caps. FIG. 6 is a partial vertical cross-sectional view showing the structure of a weight bar provided on the roll screen according to the second embodiment of the present invention; FIG. 11 is a partial cross-sectional view showing the structure of a weight provided in a roll screen according to a third embodiment of the present invention; FIG. 15A is a diagram comparing a roll screen according to a conventional technique and a roll screen according to a third embodiment, FIG. 15A is a front view of a roll screen in which winding disturbance has occurred according to the conventional technique, and FIG. 15B is a rotating pipe It is a front view of a roll screen according to a third embodiment in which weights are arranged unevenly inside the .

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

[First Embodiment]
(Composition of roll screen)
(overall structure)
First, the overall configuration of the roll screen according to the first embodiment of the present invention will be described. Referring to FIG. 1, the roll screen Sr according to the first embodiment is installed inside a rectangular opening such as a window frame of a building. The roll screen Sr is installed in a room separated from the outside of the building by a window glass (not shown) or the like.

Referring to FIG. 1, the roll screen 1Sr includes a channel-shaped set frame Fs, a sheet-shaped screen Sc, and a weight bar 10. As shown in FIG. The set frame Fs is fixed to the upper surface of an opening such as a window frame using a pair of brackets Br and Br.

Also, referring to FIG. 1, the set frame Fs has a pair of side plates Ps and Ps fixed to both ends thereof. A pair of side plates Ps and Ps rotatably supports the winding pipe Pr.

Referring to FIG. 2, the screen Sc has one end connected to the winding pipe Pr. The other end of the screen Sc hangs down from the winding pipe Pr, is folded back by the weight bar 10, and is connected to a fixing member Mf provided in the vicinity of the winding pipe Pr. More specifically, the fixed plate Pd is connected to the other end of the screen Sc. The other end of the screen Sc is fixed to the fixing member Mf by housing the fixing plate Pd inside the fixing member Mf forming part of the set frame Fs.

Referring to FIG. 1, the winding pipe Pr is provided with an operation unit Uc at one end. The operation unit Uc has a pulley (not shown) inside. The winding pipe Pr has a pulley coaxially fixed to one end thereof. A ball chain Cb serving as an operation chain is wound around the pulley. A looped ball chain Cb hangs down from a pulley.

1 and 2, by pulling downward the ball chain Cb arranged on the front side (on the side of the room Ri), the winding pipe Pr can wind the screen Sc. On the other hand, the winding pipe Pr can unwind the screen Sc by pulling downward the ball chain Cb arranged on the rear side (outdoor Ro side). By stopping the operation of the ball chain Cb, the winding pipe Pr can maintain its stop position.

Referring to FIG. 2, the screen Sc suspended from the winding pipe Pr is located on the front side of the weight bar 10 (on the side of the interior Ri), and the screen Sc folded back by the weight bar 10 is located on the rear side of the weight bar 10 ( It is located on the outdoor Ro side). The screen Sc unwound from the winding pipe Pr is arranged in a double layer in the front-rear direction. In addition, the screen Sc maintains a stretched state by pulling the folded portion downward due to the weight of the weight bar 10 .

Referring to FIG. 1 or FIG. 11, the screen Sc has a transmissive portion La that transmits light to some extent and an opaque portion Lb that has a lower light transmittance than the transmissive portion La. It is formed in a constant cycle. The transmissive portion La is preferably made of a transparent or translucent material, and the non-transmissive portion Lb is preferably made of a light-shielding material.

(Wait bar configuration)
Next, the configuration of the weight bar 10 according to the first embodiment will be described. 2 or 5 to 10, the weight bar 10 includes a C-channel-shaped weight bar main body 1b, a rotary pipe 11 having a hollow inside, and a pair of side caps 21,21.

5 or 10, the weight bar body 1b has a pair of side caps 21, 21 fitted to both ends thereof. A pair of side caps 21, 21 can be detachably fixed to both ends of the weight bar main body 1b using the male screw member Sm (see FIG. 6).

Referring to FIG. 2, the rotating pipe 11 is supported by the folded portion of the screen Sc. By operating the ball chain Cb to wind or unwind the screen Sc on the winding pipe Pr, the rotation pipe 11 can be rotated with respect to the weight bar main body 1b and the pair of side caps 21,21.

5 or 6 and 9 or 10, the rotating pipe 11 has a hollow pipe main body 11p and a pair of pipe caps 11c, 11c. A pair of pipe caps 11c and 11c are fitted to both ends of the pipe body 11p. A plurality of grooves extending along the longitudinal direction are formed on the outer peripheral surface of the rotating pipe 11 at regular intervals in the circumferential direction (see FIG. 9 or 10). Thereby, slippage between the screen Sc and the rotating pipe 11 can be suppressed.

7 to 10, the pipe cap 11c has a cylindrical portion 111 and a tubular fitting portion 112 having polygonal outer and inner peripheral surfaces. The fitting portion 112 is inserted from the end of the pipe body 11p and fitted to the pipe body 11p (see FIG. 9). The pipe cap 11c closes the end of the pipe main body 11p. 6 or 9, the cylindrical portion 111 has a circular outer peripheral surface with approximately the same diameter as the pipe main body 11p.

6 or 10, the side cap 21 has an oblong cap case 21c, a base 21b, and a bearing portion 21s. The base 21b is fitted to the cap case 21c while closing the opening of the cap case 21c.

6 or 10, the bearing portion 21s is arranged on the inner surface side of the base 21b. The bearing portion 21s is attached to the cap case 21c by fitting the base 21b to the cap case 21c. A part of the bearing portion 21s is inserted into a circular hole opened in the base 21b. The bearing portion 21s rotatably supports the cylindrical portion 111 of the rotating pipe 11 (see FIG. 10).

(Structure of Weight)
2 or 5 to 10, the weight bar 10 has a weight 31 arranged inside the rotary pipe 11. As shown in FIG. The weight 31 can add weight to the rotating pipe 11 . 6 or 7 and 10, it is composed of a cylindrical weight main body 31b and a covering member 31c made of synthetic resin. The weight body 31b is preferably made of steel or the like. The covering member 31c accommodates the weight body 31b inside.

6 or 9, the weight 31 has a weight body 31b protruding from the end surface of the covering member 31c. In other words, the length of the covering member 31c is shorter than the length of the weight body 31b. The end of the weight body 31b is held by a pipe cap 11c attached to the end of the rotary pipe 11 (see FIG. 6).

Referring to FIG. 6, the end of the weight body 31b is inserted inside the fitting portion 112. As shown in FIG. Referring to FIG. 8, the fitting portion 112 has a plurality of projections (holding portions) 311 protruding from the inner peripheral surface toward the center. By inserting the end portion of the weight body 31b into the fitting portion 112 from which a plurality of projections (holding portions) 311 protrude, the weight 31 moves in the axial direction with respect to the rotation of the rotary pipe 11, and Rotation can be suppressed.

5 or 6, the covering member 31c has a length covering substantially the entire length of the rotating pipe 11. As shown in FIG. Both ends of the weight body 31b are positioned by pipe caps 11c. More specifically, the length of the covering member 31c is equal to the total length of the rotary pipe 11 minus two lengths of the fitting portion 112 of the pipe cap 11c. A weight body 31b protrudes from both ends of the covering member 31c, and the weight body 31b is inserted until the covering member 31c hits the fitting portion 112 of the pipe cap 11c. Note that if contact between the weight body 31b and the inner surface of the rotary pipe 11 can be avoided, the length of the covering member 31c is not the length at which both ends abut against the fitting portion 112 of the pipe cap 11c, but rather The length may be short so that a part of the weight body 31b is exposed from both ends of the member 31c.

1 or 2 and FIGS. 5 to 10, the roll screen Sr according to the embodiment has the weight 31 arranged inside the rotating pipe 11, so that the folded portion of the screen Sc has the width of the screen Sc. The load of the rotary pipe 11 is applied over the entire length of the direction, and the front and rear screen surfaces can be kept flat.

Next, the operation of the roll screen Sr according to the first embodiment will be described. 1 or 2, the ball chain Cb is operated to rotate the winding pipe Pr to change the length of the screen Sc hanging down from the winding pipe Pr, as shown in FIG. 11(A). When the transmissive portion La of one of the screens Sc overlaps the non-transmissive portion Lb of the other screen Sc, the screen Sc enters a shielding state.

On the other hand, as shown in FIG. 11A, from the state where the weight bar 10 is positioned at the lowest end, the ball chain Cb is operated to rotate the winding pipe Pr, and the winding pipe Pr winds the screen Sc. As shown in FIG. 11(B), when the transmissive portion La of one of the screens Sc overlaps with the transmissive portion La of the other screen Sc, the screen Sc enters a lighting state.

In this way, referring to FIG. 11, the dimming state can be changed by changing the degree of overlap between the transmissive portions La. In the state shown in FIG. 11(B), the weight bar 10 is raised by approximately 35 mm from the state shown in FIG. 11(A).

(Action of roll screen)
Next, the operation and effects of the roll screen Sr according to the first embodiment will be described. Referring to FIG. 3(A), the weight bar according to the prior art, which does not have a weight inside the rotating pipe 11, does not apply a direct load to the central portion of the rotating pipe 11 when a screen Sc with strong tension is used. , the screen Sc swells in the front-rear direction. As a result, there was a concern that the screen Sc would come into contact with the end of the weight bar main body 1b. Further, when the transparent portions La and the non-transmissive portions Lb are alternately formed continuously in the vertical direction as the screen Sc at a constant period, the tension of the transparent portions La and the non-transmissive portions Lb is different, so that the light adjustment operation is difficult. If this is done, there is a concern that the rotary pipe 11 will swing back and forth while rotating in accordance with the movement of the screen Sc.

On the other hand, referring to FIG. 3B, in the weight bar 10 according to the first embodiment in which the weight 31 is arranged inside the rotary pipe 11, the load is directly applied to the rotary pipe 11 over the entire length in the longitudinal direction. , the surfaces of the front and rear screens Sc can be kept flat even if the screen Sc has strong elasticity. Further, even when the transmissive portions La and the non-transmissive portions Lb are formed alternately and continuously in the vertical direction as the screen Sc, the front and rear surfaces of the screen Sc can be kept flat. At the time of dimming operation, the rotating pipe 11 can be rotated lightly according to the movement of the screen Sc.

Further, referring to FIG. 4A, in the conventional weight bar in which the adjustment weight 31d is arranged inside the weight bar main body 1b arranged below the rotating pipe 11d, a load is applied to both ends of the rotating pipe 11d. Therefore, there is a concern that both ends of the rotating pipe 11d bend downward, and tension is applied only to both ends in the width direction of the screen Sc.

On the other hand, referring to FIG. 4B, the weight bar 10 according to the first embodiment, in which the weight 31 is arranged inside the rotating pipe 11, can evenly apply a load over the entire length of the width direction of the screen Sc. .

1 or 2 and FIGS. 5 to 10, the roll screen Sr according to the embodiment has the weight 31 arranged inside the rotating pipe 11, so that the folded portion of the screen Sc has the width of the screen Sc. The load of the rotary pipe 11 is applied over the entire length of the direction, and the front and rear screen surfaces can be kept flat.

5 to 10, in the roll screen Sr according to the first embodiment, the weight body 31b is housed inside the covering member 31c, so that when the rotating pipe 11 rotates, the weight 31 moves toward the rotating pipe. 11 or the central portion of the rotary pipe 11 turns, the covering member 31c acts as a cushioning material, and contact noise with the inner wall of the rotary pipe 11 is generated. can be suppressed.

Referring to FIGS. 5 to 10, in the roll screen Sr according to the first embodiment, both ends of the weight 31 are held by the pipe caps 11c. can be regulated. In addition, damage to the rotating pipe 11 (especially the pipe cap 11c) or the side cap 21 (especially the cap case 21c) can be prevented during transportation of the roll screen Sr.

5 to 10, in the roll screen Sr according to the first embodiment, the covering member 31c has a length covering substantially the entire length of the rotating pipe 11, and both ends of the covering member 31c are pipe caps 11c. , the weight body 31b can be prevented from moving inside the rotating pipe 11. As shown in FIG.

(Modified example of weight)
Next, a modified example of the weight arranged inside the rotary pipe 11 will be described. Referring to FIG. 12(A), the weight 32 according to the first modified example accommodates a short weight body 32b in the central portion of the covering member 32c. The covering member 32c is provided with a restricting portion 321 so that the weight body 32b does not move in the axial direction. Specifically, the restricting portion 321 is formed so as to protrude into the covering member 32c in an annular shape by drawing by heating.

Referring to FIG. 12B, the weight 33 according to the second modification accommodates two short weight bodies 32b inside a covering member 33c. The covering member 33c is provided with a restricting portion 331 so that the weight body 32b does not move in the axial direction. It is preferable that the weight main bodies 32b are arranged at even positions on the left and right with the central position of the covering member 33c in the axial direction as a boundary.

Referring to FIG. 12(C), the weight 34 according to the third modification accommodates three short weight bodies 32b inside a covering member 34c. The covering member 34c is provided with a restricting portion 341 so that the weight body 32b does not move in the axial direction. It is preferable that one of the weight bodies 32b is arranged at the central position in the axial direction of the covering member 34c, and the other two are arranged at equal positions on the left and right sides of the weight body 32b arranged at the center position.

Referring to FIG. 12(D), the weight 35 according to the fourth modification accommodates the short weight main body 32b in the central portion of the covering member 35c, and the short weight main bodies 32b arranged at both ends of the covering member 35c. It is supported by the pipe cap 11c. In addition, the covering member 35c is provided with a restricting portion 351 so that the weight body 32b does not move in the axial direction.

Referring to FIGS. 12(A) to 12(D), the weight body may be formed to be shorter in overall length than the covering member, and if the weight to be added to the rotating pipe 11 may be small, the weight body may have a short length. can be used, and the weight body can be arranged near the center of the rotation pipe 11 by inserting the weight body into the rotation pipe in a state where the weight body is accommodated in the center of the covering member. A short weight main body may be unevenly distributed with respect to the covering member, and in this case, the winding disorder of the screen Sc can be suppressed.

Referring to FIGS. 12(A) to 12(D), it is preferable that the covering member form a regulating portion that regulates the movement of the weight body housed in the covering member. As a result, the movement of the weight main body housed in the covering member can be restricted, and when a plurality of weight main bodies are provided, the weight main bodies can be arranged without being displaced in positions where the load is required.

[Second embodiment]
Next, the configuration of the roll screen according to the second embodiment will be described. Referring to FIG. 13, the weight bar 20 according to the second embodiment has substantially the same configuration as the weight bar 10 according to the first embodiment, but the weight bar 10 according to the first embodiment is installed inside the rotating pipe 11. The weight bar 20 according to the second embodiment accommodates one or more short weights inside the rotating pipe 11, whereas the long weight 31 is accommodated therein. The covering member 32c has a length covering substantially the entire length of the rotary pipe 11, and both ends of the covering member 32c are positioned by the pipe caps 11c. Also, the covering member 32c is provided with a restricting portion 321 to prevent the weight body 32b from moving in the axial direction. Thereby, it is possible to prevent the weight body 32b from moving inside the rotating pipe 11 .

[Third Embodiment]
Next, the configuration of the roll screen according to the third embodiment will be described. Referring to FIG. 14, the weight bar 30 according to the third embodiment differs from the second embodiment in that a short weight body 32b is housed inside the rotating pipe 11 at a position offset from the center.
In the third embodiment, the short weight main body 32b of the weight 36 is arranged at a position deviated to one side (left side in FIG. 14) from the center of the covering member 36c having a length covering substantially the entire length of the rotary pipe 11. As shown in FIG. The covering member 36c is provided with a restricting portion 361 so that the weight body 32b does not move in the axial direction.

An embodiment in which the short weight main body 32b is arranged at a position offset from the center as shown in the third embodiment can be used when the screen Sc is wound irregularly.

As shown in FIG. 15(A), when the screen Sc of the roll screen is wound, there may occur "disturbed winding" in which the screen Sc is wound while being displaced in the axial direction of the winding pipe Pr. In the example shown in FIG. 15(A), winding disturbance occurs in which the screen Sc moves to the left along with the winding.
In such a case, conventionally, an adjustment tape (not shown) is attached to the outer peripheral surface of the winding pipe Pr to adjust the winding diameter, thereby suppressing the winding disorder.

On the other hand, according to the roll screen according to the third embodiment, as shown in FIG. 15(B), the weight body 32b is biased toward the side (left side in FIG. 15(A)) to which the wound screen Sc moves. Distortion of the winding can be eliminated by arranging the coils at the center of gravity.

In the roll screen according to the present invention, since the weight 31 is arranged inside the rotating pipe 11, the load of the rotating pipe 11 is applied to the folding portion of the screen Sc over the entire length in the width direction of the screen Sc. The surface of the screen can be kept flat.

10, 20, 30 Weight bar 11 Rotating pipe 21 Side cap 31, 32, 33, 34, 35, 36 Weight Pr Winding pipe Mf Fixing member Sc Screen Sr Roll screen

Claims (6)

One end of the screen is connected to a rotatable winding pipe so that it can be wound and unwound, and the other end of the screen hangs down from the winding pipe and is folded back by a weight bar and provided in the vicinity of the winding pipe. A roll screen connected to a fixed member,
The weight bar is
a rotating pipe disposed at the folded portion of the screen;
a side cap that rotatably supports the rotating pipe,
A roll screen in which a weight for adding weight to the rotating pipe is arranged inside the rotating pipe. 2. The roll screen according to claim 1, wherein said weight is held by a pipe cap attached to an end of said rotating pipe. 3. The roll screen according to claim 2, wherein said weight comprises a weight body and a covering member for housing said weight body therein. 4. The roll screen according to claim 3, wherein said covering member has a length covering substantially the entire length of said rotating pipe, and both ends of said covering member are positioned by said pipe caps. 5. The roll screen according to claim 3, wherein the weight body has a shorter overall length than the covering member. The roll screen according to any one of claims 3 to 5, wherein the covering member forms a restricting portion that restricts movement of the weight body housed in the covering member.

Images