JP3256149B2 - blind - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a blind.

[0002]

2. Description of the Related Art Conventionally, as this kind of blind, there is one disclosed in Japanese Patent Application Laid-Open No. 7-180453.
A first sheet, a plurality of elongated vanes disposed proximate an inner surface of the first sheet, and rotating the vanes about a longitudinal axis in a state parallel to and perpendicular to the sheet. It has operating means and means for reinforcing the blades.

[0003] The first sheet is made of a transparent or translucent material, the wing plate is made of an opaque material, and the window is shielded while the wing plate is parallel to the sheet. The view from is possible.

[0004]

However, such a conventional structure requires a plurality of elongated blades to rotate integrally with each other when the plurality of elongated blades are rotated about a longitudinal axis. There is a problem in that a reinforcing member for imparting considerable rigidity is required, and the production thereof is troublesome and the production cost is high.

The present invention has been made in view of such a problem, and the inventions according to claims 1 to 5 can open and close a part of the blind by a simple operation without rotating the cloth. The purpose is to provide. It is another object of the present invention to provide a blind which can be in a sheathed state without completely closing the blind.

[0006]

In order to achieve the above-mentioned object, according to the present invention, a plurality of elongated cross-shaped front crosses and respective rear end portions of the plurality of front crosses are provided. And one rear cross attached at a predetermined interval in the width direction. The upper end of each front end of the front cross is suspended from the first head rail, and the front cross located rearward from the upper end. Alternatively, the second upper end of the rear cross is hung on the second head rail, and the interval between the first head rail and the second head rail is set to the upper end of the front end in a state where the front cross is extended. The distance is set to be smaller than the distance from the second upper end.

According to a second aspect of the present invention, in the first aspect, the front cross is made of a plate-like member having an easily bent portion that can be bent in the width direction. Claim 3
The invention described in claim 1 or 2,
The vicinity of the upper end of the front end of the front cross is connected to the vicinity of the upper end of the front end of the adjacent front cross by a spacer.

[0008] The invention described in claim 4 is claim 1 or 2.
In the above description, an upper end and a second upper end of the front end of the front cross are slidably suspended on the first head rail and the second head rail via the first runner and the second runner, respectively. And each first runner is connected to an adjacent first runner by a spacer,
The first head rail or the second head rail
When the first runner and / or the second runner is pulled by a master runner that moves along the head rail, the rear cross opens and closes.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the rear cloth is made of translucent cloth.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view of a blind representing a first embodiment of the present invention, and FIG. 2 is an enlarged perspective view of a main part thereof. In the drawing, reference numeral 10 denotes a head box attached to an upper portion of an opening such as a window. A first head rail 12 and a second head rail 14 having a bottom center opened in the longitudinal direction are provided in the head box 10. It is juxtaposed. A plurality of first runners 16, 16,... Movable along the first head rail 12 are arranged, and the other second head rail 14 moves along the other. A plurality of possible second runners 18, 18,...
Are arranged, and fixtures 17 and 19 are suspended from each first runner 16 and each second runner 18, and a cloth 20 is suspended from each fixture 17 and 19.

The cloth 20 is formed by joining a plurality of long cross-shaped front cloths 22 and rear ends of the plurality of front cloths 22 at predetermined intervals in the width direction by sewing, bonding, or the like.
Each of the fixing members 17 is fixed to the upper end 22a of the front end of each of the front cloths 22, and each of the fixing members 19 is a joint between each of the front cloths 22 and the rear cloth 24. Each of the front cloths 22 near the portion is fixed to the upper end 22b of the rear end of the cloth. In addition, the fixing tool 19 may be fixed to the upper end of each of the rear crosses 24 near the joint portion between each of the front crosses 22 and the rear cross 24.

The distance L1 between the first head rail 12 and the second head rail 14 (see FIG. 3B) is determined by the upper end 22a and the rear end of the front end when the front cross 22 is extended. It is set to be smaller than the distance L2 between the upper end 22b of the portion (see FIG. 3B). The front cross 22 is made of a plate-like member having a certain degree of rigidity, and can be easily bent at one place in the width direction.
Are formed. Therefore, as shown in FIG. 2, in a state in which the fixing tool 17 and the fixing tool 19 for fixing the same front cross 22 are closest to each other, the front cross 22 has a part thereof located forward of the first head rail 12. Protruding, easily bent portion 22
It is folded back at c.

A spacer cord 26 for maintaining a predetermined distance between adjacent fixtures 17 is provided on each fixture 17.
, And both ends thereof are hung down from the fixtures 17 at the leftmost and rightmost ends, and are coupled to the operation units 28, 28. Further, preferably, the front cloth 22 is made of opaque cloth, and the rear cloth 24 is made of translucent cloth.

The operation of the blind constructed as described above will be described with reference to FIG. 3. When the fixture 17 and the fixture 19 for fixing the same front cloth 22 are in the closest state, FIG. (A), the front cloth 22 is substantially perpendicular to the rear cloth 24, and the rear cloth 24 is exposed. Therefore, when the rear side cloth 24 is made of translucent cloth,
It is in a see-through state, and a view from an opening provided with a blind can be obtained, and light can be taken in from the opening.

Next, in the drawing, the rightmost front cross 22
When the first runner 16 is moved to the right side in the drawing by directly holding it with the hand or operating the operation unit 28 at the rightmost end, the first runners 16
All the first runners 16 move. As a result, as the front end of each front cross 22 moves to the right, each front cross 22 bent at the easily bendable portion 22c expands and partially overlaps the right front cross 22. As a result, the front surface of the blind is covered with only the front cloth 22, and the state shown in FIG. When the front cloth 22 covers the rear cloth 24 in this manner, the shape of the blind can be changed. When the rear cloth 24 is made of translucent raw cloth and the front cloth 22 is made of opaque raw cloth, It is possible to switch from the sheathed state to the closed state with respect to the opening provided with the blind. In order to completely cover the rear cloth 24 with the front cloth 22, the distance L2 between the upper end 22a of the front end and the upper end 22b of the rear end in a state where the front cloth 22 is extended is: It is necessary that the distance L3 between the adjacent front crosses 22 is substantially equal to or larger than the distance L3.

When returning from the state shown in FIG. 3 (b) to the state shown in FIG. 3 (a), the front cross 22 at the left end is directly operated by hand, or the operation section 28 at the left end is operated.
Is operated to return the first runner 16 to the left side in FIG. Further, when it is desired to completely expose the opening provided with the blind, all the first runners 16 and all the second runners 18 are moved to one side, so that all the front crosses 22 as shown in FIG. And the rear cross 24 can be folded. It is preferable that the rear cross 24 be folded between the adjacent front crosses 22 as shown in FIG.

Next, FIG. 4 is an enlarged perspective view of a main part showing a second embodiment of the present invention. In the present embodiment, a drive mechanism for moving a runner along the rail is provided in the head rail. Reference numeral 30 denotes a head box attached to an upper portion of an opening such as a window. A first head rail 32 and a second head rail 34 whose central portions are opened in the longitudinal direction are provided side by side, and the first head rail 32 and the second head rail 34 are connected below the first head rail 32 and the second head rail 34, The third head rail 36 having a large width and opened in the longitudinal direction is formed. In the third head rail 36, an opening / closing shaft 38 (drive means) having a male screw threaded on the outer peripheral surface in the longitudinal direction thereof and a support shaft 40 having no screw thread such as a male screw are provided in parallel. And open / close axis 3
8 is rotatably supported by a bearing (not shown) provided at the end of the head box 30.
One end of the opening / closing shaft 38 is connected to an operation wheel (not shown) provided in a control unit 30a provided at one end of the head box 30, and the opening / closing shaft 38 is rotated by an operation cord 42 wound around the operation wheel. It can be driven.

A plurality of first runners 46, 46,... Movable along the first head rail 32 are arranged, and the other second head rail 34 has A plurality of second runners 48, 48,.
Are arranged, and fixtures 17 and 19 (see FIG. 5) are suspended from the respective first runners 46 and the respective second runners 48 so as to be rotatable with respect to the respective runners 46 and 48. As in the first embodiment, each fixture 17 is fixed to the upper end 22a of the front end of each front cloth 22, and each fixture 19 is near the joint between each front cloth 22 and rear cloth 24. The upper end 22b of the rear end of each front cloth 22 (FIG. 5)
Reference).

Further, a master runner 50 movable along the third head rail 36 is located on a side end side (right end side in the figure) of all the first runners 46 and all the second runners 48.
Is provided, and the master runner 50 is
A fixing tool 51 is suspended so as to be rotatable with respect to the rear cross 24 and is fixed to the upper end of the side end of the rear cross 24. The master runner 50 is internally provided with a lead nut 50a through which the opening / closing shaft 38 penetrates and in which a female screw portion to be screwed with a male screw portion of the opening / closing shaft 38 is formed. On the other hand, the first runner 4
6 is formed with a through hole 46a for loosely penetrating the opening / closing shaft 38.

The master runner 50 and the second runner 4
8, a through hole 5 slidably penetrating the support shaft 40.
0b and 48a are formed. As in the first embodiment, the first head rail 32 and the second head rail 3
4 is set to be smaller than the distance between the upper end 22a of the front end and the upper end 22b of the rear end when the front cross 22 is extended. Then, as shown in FIG. 4, in a state where the fixing tool 17 and the fixing tool 19 for fixing the same front cloth 22 are closest to each other, the front cloth 2 is fixed.
A part of 2 is projected forward of the first head rail 32 and is folded back at the easily bent portion 22c.

A spacer code 52 for maintaining a predetermined distance between adjacent first runners 46 is sequentially connected to each of the first runners 46, and the left end of the spacer code 52 is once connected to the left end of the head box 30. After being introduced into a certain control unit 30a, it is hung from the control unit 30a and connected to the operation unit 54. The right end of the spacer cord 52 is connected to the master runner 50. Further, one end of an operation code 56 is connected to the first runner 46 at the rightmost end, and the other end of the operation code 56 penetrates through the master runner 50 and is connected to an operation section 58.

In the blind constructed as described above, as shown in FIG. 4, when the fixture 17 and the fixture 19 for fixing the same front cloth 22 are in the closest state, the front cloth 22 The rear cloth 24 is substantially perpendicular to the rear cloth 24, and the rear cloth 24 is exposed. Therefore, when the rear cloth 24 is made of a translucent raw cloth, it is in a sheathing state, and a view from an opening provided with a blind can be obtained, and light can be taken in from the opening.

In the drawing, the rightmost front cross 2
When the first runner 46 is moved to the right side in the figure by directly holding the handle 2 or operating the operation unit 58 at the rightmost end, the first runners 46
2, all the first runners 46 move. As a result, as the front end of each front cross 22 moves to the right, each front cross 22 bent at the easily bendable portion 22c expands and partially overlaps the right front cross 22. As a result, the front surface of the blind is covered with only the front cloth 22 and the state shown in FIG. 5 is obtained.

When returning from the state shown in FIG. 5 to the state shown in FIG. 4, the front cross 22 at the leftmost end is directly held and operated, or the leftmost operating section 54 is operated.
This can be done by returning the first runner 46 to the left side in the figure. When it is desired to completely expose the opening provided with the blind, when the operation cord 42 is operated to rotate the opening / closing shaft 38, the opening / closing shaft 38 has a female screw portion to be screwed into the male screw portion of the opening / closing shaft 38. The master runner 50 in which the lead nut 50a is provided moves in the third head rail 36 in the longitudinal direction. When the master runner 50 contacts the first runner 46, the first runner 46 is pressed and moved in the same direction, and when the master runner 50 similarly contacts the second runner 48, the second runner 48 is pressed in the same direction. And all the first runners 46 and all the second runners 48 are sequentially pushed out,
By moving to one side, all the front crosses 22 and the rear crosses 24 can be folded.

When the rear cross 24 is deployed from this state, the operation cord 42 is operated in the opposite direction to rotate the opening / closing shaft 38 and the master runner 50 is moved in the opposite direction. Since the first runner 46 is connected to the spacer code 52 at predetermined intervals, when the master runner 50 and the adjacent first runner 46 have a predetermined interval, the first runner 46 is towed, and all The first runner 46 is towed. Pulled by the rear cross 24 suspended by the master runner 50, the second
Runner 48 follows along.

As described above, according to the above embodiments, the front cross 2 is not rotated but the front cross 2 is rotated.
2, the upper end 22a of the front end of the first head rail 12,
32, the front cloth 22 becomes substantially perpendicular to the rear cloth 24, and the rear cloth 24
Can be switched between a state in which the front cloth 22 is exposed and a state in which the front cloth 22 is substantially parallel to the rear cloth 24 and covers the rear cloth 24.

In each of the above embodiments, the front cross is made of a rigid plate-like member and the easy-bend 22c is provided. However, the present invention is not limited to this.
It is composed of a freely foldable member having no rigidity, as shown in FIG.
As shown in (a), in a state perpendicular to the rear cloth 24, the front cloth 22 is folded, and FIG.
The upper end 2 of the front end of the front cloth 22 as shown in FIG.
The front cloth 22 may be extended while the front cloth 22 is moved substantially along the first head rail 12 so that the front cloth 22 is substantially parallel to the rear cloth 24. Alternatively, a configuration as shown in FIG. 6 can be realized by providing not only one easily bent portion but also a plurality of portions.

[0028]

As described above, according to the present invention,
The upper end of each front end of the front cross is hung on the first head rail, and the second upper end of the front cross or the rear cross behind the upper end is hung on the second head rail. Since the distance between the head rail and the second head rail is set to be smaller than the distance between the upper end of the front end and the second upper end when the front cross is extended, In a state where the upper end of the front end of the cloth is closest to the second upper end, the front cloth is not extended and is positioned at a position substantially perpendicular to the rear cloth. When the front cross is extended along the first head rail by moving the upper end of the front end of the front cross along the first head rail and extending the front cross away from the second upper end, the front cross is Almost parallel position Positioning is, therefore, it is possible to cover the rear cross.

As described above, the shape of the blind can be changed by moving the front cross along the first head rail without rotating the front cross. According to the second aspect, since the front cross is made of a plate-shaped member having an easily bent portion that can be bent in the width direction, the upper end of the front end of the front cross approaches the second upper end. In the state,
By bending the easy bending portion, the front cross can be maintained substantially perpendicular to the rear cross.

Further, according to the third aspect, since the vicinity of the upper end of the front end of the adjacent front cross is connected by the spacer, the upper end of the front end of one front cross is connected to the first head rail. The entire front cross can be operated all together simply by performing an operation of moving the same along. According to the fourth aspect, by moving the master runner along the first head rail or the second head rail by the driving means, the first runner and / or the second runner is towed, and the rear cross section is moved. Can be opened and closed, and by moving the front end of the front cross along the first head rail, the operation and effect described in claim 1 can be obtained.

According to the fifth aspect, since the rear cloth is made of a translucent cloth, the front cloth is substantially perpendicular to the rear cloth, and the rear cloth is in a sheathing state when the rear cloth is exposed. Thus, a view can be obtained from an opening provided with blinds, and light can be taken in from the opening.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a blind representing a first embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a main part of FIG.

FIGS. 3A and 3B are plan views for explaining the operation of the embodiment of FIG. 1, wherein FIG. 3A shows a state in which a front cross is substantially perpendicular to a rear cross, and FIG. (C) shows a state in which the rear cloth and the front cloth are folded.

FIG. 4 is an enlarged perspective view of a main part showing a second embodiment of the present invention, in which a front cross is substantially perpendicular to a rear cross.

FIG. 5 is an enlarged perspective view of a main part of a second embodiment of the present invention, showing a state where a front cross is substantially parallel to a rear cross.

FIGS. 6A and 6B are plan views for explaining an operation of another embodiment of the present invention, wherein FIG. 6A is a state in which a front cross is folded substantially perpendicular to a rear cross, and FIG. Indicates a state in which the front cross is substantially parallel to the rear cross.

[Explanation of symbols]

 12 First head rail 14 Second head rail 22 Front cross 22a Upper end of front end of front cross 22b Upper end of rear end of second cross (second upper end) 22c Folding portion 24 Rear cross 26 Spacer code (spacer) 32 First head rail 34 Second head rail 38 Opening / closing axis (drive means) 46 First runner 48 Second runner 50 Master runner 52 Spacer code (spacer)

Claims (5)

(57) [Claims] 1. A front cross comprising a plurality of front crosses in the form of strips, and one rear cross in which respective rear ends of the front crosses are attached at predetermined intervals in a width direction. While suspending the upper end of each front end on the first head rail, suspending the second upper end of the front cross or the rear cross behind the upper end on the second head rail,
The distance between the first head rail and the second head rail is set to be smaller than the distance between the upper end of the front end and the second upper end when the front cross is extended. Blinds characterized by: 2. The front cross member is formed of a plate-like member having an easily bent portion that can be bent in the width direction.
Blinds described. 3. The blind according to claim 1, wherein a portion near the upper end of the front end of the front cross is connected to a portion near the upper end of the front end of the adjacent front cross by a spacer. 4. An upper end and a second upper end of the front end of the front cross are slidably suspended on a first head rail and a second head rail via a first runner and a second runner, respectively. The first runner is connected to the adjacent first runner by a spacer, and the first runner is moved to a master runner that moves along the first headrail or the second headrail by the movement of the driving means. 3. The blind according to claim 1, wherein the rear cross opens and closes when the second runner is pulled. 5. The blind according to claim 1, wherein the rear cloth is made of a translucent cloth.