JP6539104B2 - blind - Google Patents

Description

  The present invention relates to blinds.

  In the conventional horizontal blind, a slat clip as a slat fixing member is attached in order to prevent lifting of the top slat during opening and closing of the blind and to reliably transmit the rotation of the ladder cord to the slat. The slat clip is fixed so as to sandwich the weft with the slat from the lower side of one or more wefts constituting the middle cord. As described above, in the case where the plurality of wefts are fixed so as to be sandwiched between the slats, the movement of the slats is restricted by the plurality of wefts arranged vertically. When the middle cord is inclined at the time of slat rotation, the slat has no freedom of movement, which affects the shielding property of the slat.

  Further, in the horizontal blind disclosed in Japanese Patent Application Laid-Open No. 2011-246997 (Patent Document 1), a notch is formed in at least one side edge of the slat, and the vertical direction before and after the ladder cord is along the notch. One of the codes is arranged. At least one lifting cord is located along the vertical cord, outside the side edge of the slat, for at least one slat from above, and for the other slats, the wall of the notch and the vertical cord It is arranged to be inserted between the two.

  The slats are inserted between the weft threads of the ladder cords, so that the notches of the slats and the ladder cords engage with each other to prevent lateral displacement of the slats. However, if it is the structure which inserts a slat between wefts of all the ladder cords, workability will be bad. For this reason, generally, a structure is employed in which only both ends in the longitudinal direction of the slat are inserted between the weft threads, and the center (other than the both ends) of the slat is mounted on two weft threads.

  At this time, the slat clips at both ends in the longitudinal direction of the slat clamp only the weft located at the lower side with the slat. On the other hand, the slat clip located at the center in the longitudinal direction of the slat has a structure in which the upper and lower two wefts are sandwiched between the slats. That is, since the center of the slat is fixed to the upper and lower two wefts by the slat clip, it is more fixed to the ladder cord compared to the both ends of the slat fixed to only one lower weft. It has become. For this reason, the rotation of the slat is affected, and when the slat is rotated, the central portion of the slat may rotate in a floating state.

JP 2011-246997 A

  The present invention has been made in view of the problems of the above-mentioned background art, and the object of the present invention is to provide a blind provided with a slat fixing member for fixing a slat to a ladder cord, comprising a slat fixing member. It is to provide a blind that can reduce the disadvantages.

  In order to solve the above problems, according to the present invention, a ladder cord for supporting a plurality of slats in an aligned state and making the inclination of the slat variable, and a slat fixing member for fixing the slat to the ladder cord And in the blind, the ladder cord has a middle cord supporting the slat, the middle cord is composed of a plurality of wefts arranged at the top and bottom, and the slat fixing member is a predetermined slat. A blind is provided, characterized in that the predetermined slats are fixed only to the upper weft thread.

  According to this configuration, of the plurality of wefts constituting the middle cord, only the upper weft is fixed between the slat fixing member and the slat, so that rotation is possible without being affected by the lower weft. As a result, the shielding property of the slat during rotation is improved.

  Further, as an application example of the present invention, the predetermined slat may be placed on the upper and lower weft threads, and the slat fixing member may be inserted between the upper and lower weft threads. Thus, since the slat fixing member is configured to be inserted between the upper and lower weft threads, only the upper weft can be fixed between the slat fixing member and the slat. Therefore, it becomes possible to rotate without being affected by the lower weft, and the shielding property of the slat at the time of rotation is improved.

  Further, as an application example of the present invention, the ladder cords are provided at both end portions and the central portion in the longitudinal direction of the slat, and the central portion in the longitudinal direction of the predetermined slat is on the upper and lower wefts. It is placed and fixed only to the upper weft by the slat fixing member, and both longitudinal end portions of the predetermined slat are inserted between the upper and lower wefts, and the lower side is fixed by the slat fixing member. It may be fixed only to the weft yarn of In this way, each slat is fixed by fixing the longitudinal ends of the slat to the weft located at the lower side and the longitudinal central portion of the slat to the weft located at the upper side. Since it is fixed by two weft threads, the shielding property of the slat is improved while preventing the lateral displacement of the slat.

  Furthermore, in the application example, even if the positional relationship between the upper and lower wefts is reversed in the vertical direction between the central portion in the longitudinal direction of the predetermined slat and both end portions in the longitudinal direction of the predetermined slat. Good. With such a configuration, the longitudinal central portion of the predetermined slat and both longitudinal end portions of the predetermined slat are placed on the weft originally at the same position in the vertical direction. become. Therefore, the heights of the slats fixed by the slat fixing member are aligned with the ends in the center. For this reason, the slats have no difference in rotational property in the longitudinal direction, and more accurate rotation is possible.

  Further, in another application example of the present invention, the predetermined slat and the slat directly below the slat may be supported at different inclination angles by the ladder cord. As described above, in a blind in which a predetermined slat and a slat directly below it can be supported by the ladder cord at different inclination angles, the longitudinal width of the ladder cord may be narrowed from the predetermined slat to the slat directly below is there. For this reason, a load from the back and forth direction is applied to a predetermined slat from the ladder cord, and there is a possibility that the rotation of the slat may become cramped and the predetermined slat can not be rotated. However, by providing the slat fixing member on a predetermined slat, it is possible to ensure that the predetermined slat follows the rotational movement of the ladder cord. For this reason, it is possible to realize the motion accuracy in a predetermined slat of a portion where the inclination angles of the slats are different, which is a portion which is easy to enter the eyes of a home person or an operator.

  In addition, a lifting cord for lifting and lowering the slat may be disposed along a longitudinal side edge of the slat. With such a configuration, it is not necessary to provide an insertion hole for inserting the lifting cord into the slat. For this reason, there is no concern of light leakage from the insertion hole even if the slat is rotated until it is fully closed. Note that “arranged along the longitudinal side edge” may place a plurality of lifting cords along one side edge in the longitudinal direction, or, for example, at one side edge and the other side edge. The lifting cords may be arranged alternately.

  According to the present invention, in a blind provided with a slat fixing member for fixing a slat to a ladder cord, it is possible to reduce the demerit resulting from the provision of the slat fixing member. Other effects of the present invention will also be described in the embodiments for carrying out the invention described later.

It is a front view which shows the whole structure of the blind of 1st Embodiment. It is a perspective view which shows the structure of the blind of switching part vicinity of 1st Embodiment. It is a sectional side view which shows the structure which fixed the slat directly above and the middle step cord by the slat clip of 1st Embodiment. It is a sectional side view of a blind when a ladder cord of a 1st embodiment is not inclined. It is a sectional side view which shows the state which made the ladder cord of 1st Embodiment tilt, (a) shows the state of the switching part vicinity, (b) shows the state of the slat directly above. It is the perspective view seen from the front side which shows the center part of the longitudinal direction of the slat of the switching part vicinity of 2nd Embodiment. It is the perspective view seen from the back side which shows the edge part of the longitudinal direction of the slat of the switching part vicinity of 2nd Embodiment. It is a sectional side view which shows the structure which fixed the slat directly above and the middle step cord by the slat clip of 2nd Embodiment. It is a sectional side view of a blind when a ladder cord of a 2nd embodiment is not inclined. It is a sectional side view which shows the state which made the ladder cord of 2nd Embodiment tilt, (a) shows the state of the switching part vicinity, (b) shows the state of the slat directly above.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the present specification and the drawings, components having substantially the same functional configuration will be assigned the same reference numerals and redundant description will be omitted.

First Embodiment
The configuration of the blind according to the first embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is a front view showing the entire configuration of the blind of the first embodiment, FIG. 2 is a perspective view showing the configuration of the blind near the switching portion, and FIG. 3 is a slat of the first embodiment It is a sectional side view which shows the structure which fixed the slat directly above and the middle step cord by the clip.

  As shown in FIGS. 1 and 2, the blind 100 according to this embodiment supports a plurality of slats 110 in an aligned state and a ladder cord 120 for making the inclination of the slat 110 variable, and a slat 110 as a ladder cord. And a slat clip 130, which is an example of a slat fixing member fixed to the housing 120. The ladder cord 120 has a middle step cord 121 for supporting the slat 110, and the middle step cord 121 is composed of two wefts 121a and 121b disposed one above the other. In addition, the slat 110 is placed on two wefts 121a and 121b at at least one location in the longitudinal direction, and the slat clip 130 for a given slat 111 is only for the given slat 111 on the upper weft 121a. It is configured to be fixed.

  First, the whole structure of the blind 100 of this embodiment is demonstrated, referring FIG.1 and FIG.2. In the blind 100, a number of slats 110 are supported in an aligned state by three ladder cords 120 hanging from a head box 140, and the slats 110 are inclined by relatively moving the vertical cords 122 and 123 before and after the ladder cords 120. , And lifting cords 150 hanging from the head box 140 are disposed along the side edges of each slat 110, and one end of the lifting cord 150 is connected to a bottom rail 190 disposed at the lower end of the slat 110 row, The slats 110 are configured to be able to be held by the ladder cords 120 at upper and lower portions at different angles.

  Hereinafter, each component of the blind 100 of this embodiment is demonstrated.

  The head box 140 is fixed to a window frame, a ceiling or the like via a bracket. As shown in FIG. 1, the upper ends of the ladder cord 120 and the lifting cord 150 are inserted into the head box 140. In the head box 140, a rotating drum (not shown) to which the upper end of the ladder cord 120 is connected is disposed, and the ladder cord 120 is tilted by the rotation of the rotating drum. The rotary drum is rotated by operating the operating rod 160 provided at one end of the head box 140, whereby the tilting of the ladder cord 120 is operated. Further, on the front surface of the head box 140, an outlet port 170 is formed adjacent to the operation rod 160 so that the upper end of the lifting cord 150 is led out. The outlet port 170 is provided with a stopper 171 which switches between a state in which the lifting cord 150 can move and a state in which the lifting cord 150 is restricted.

  As shown in FIG. 2, the ladder code 120 is composed of two front and rear vertical cords 122 and 123 and a number of middle level cords 121 connecting the front and rear vertical cords 122 and 123. A plurality of slats 110 are placed. Further, as described above, the upper ends of the vertical cords 122 and 123 before and after the ladder cord 120 are introduced into the head box 140 and connected to the rotary drum. Vertical cords 122 and 123 before and after the ladder cord 120 generate relative displacement in the vertical direction between them as the rotating drum rotates, whereby the middle cord 121 is inclined and the slat 110 is inclined. It has become. The lower ends of the vertical cords 122 and 123 before and after the ladder cord 120 are connected to a bottom rail 190 disposed at the lower end of the slat 110 row.

  The vertical cord 122 on the front side of the vertical cords 122 and 123 before and after the ladder cord 120 is, as illustrated in FIG. It has become. One middle level code X located at this height filling portion is cut off. The pitch of the middle cord 121 in the vertical cord 122 on the front side is substantially constant in the vertical direction due to the narrow portion. On the other hand, in the vertical cord 123 on the rear side, the pitch is increased only at the over-packed portion because one middle code X is cut off.

  That is, in this length-packed portion, the pitch of the slats 110 is the same as the other portions on the front side, but doubles on the back side, and the pitch is different on the front and back, and the height-packed portion is a switching portion It functions as 120a. Since the middle cord 121 changes the inclination angle with the switching unit 120a as a boundary, the upper slat group 110a located above the switching unit 120a and the lower slat group 110b located below the switching unit 120a It can be held at different inclination angles. In the state of FIG. 2, the upper slat group 110a is horizontal, whereas the lower slat group 110b is inclined. As a result, the blind 100 blocks the view from the outside at the lower part and can take in light from the outside at the upper part. Moreover, the opposite state is also possible.

(Slat 110)
The plurality of slats 110 are supported in an aligned state by the ladder cords 120 as shown in FIG. The plurality of slats 110 rotate as the ladder cord 120 tilts. As shown in FIG. 2, each slat 110 is placed on the upper and lower weft threads 121 a and 121 b and supported by the middle step cord 121 of the ladder cord 120. Further, as described above, since the elevating cord 150 (not shown in FIG. 2) is disposed along the side edge of the slat 110, the slat 110 is not provided with an insertion hole through which the elevating cord 150 is inserted.

(Slat clip 130)
The slat clip 130 fixes the slat 110 and the middle cord 121, and as shown in FIG. 2, a base 131 provided opposite to one surface of the slat 111 immediately above and a rim of the slat 111 immediately above And a locking piece 132 for locking the part and holding it in the mounting position. Here, the slat 111 directly above is a slat disposed on the upper side among the two upper and lower slats where the angle of the slat is switched. The base portion 131 is an elastically deformable, substantially X-shaped plate-like member, and a groove 133 is formed at the center over the entire length in the front-rear direction. The grooves 133 can accommodate the upper and lower weft yarns 121a and 121b. The locking pieces 132 are formed so as to protrude above the base 131 in a substantially L-shape from four tip portions of the substantially X of the base 131, and are elastically deformable.

  In the present embodiment, the slat clip 130 secures the lowermost slat of the upper slat group 110a, that is, the slat 111 immediately above the switching portion 120a and the weft thread 121a on the middle step cord 121 as follows. That is, as shown in FIG. 3, the slat 111 immediately above is placed on the upper and lower wefts 121a and 121b of the middle cord. The base 131 of the slat clip 130 is inserted between the upper and lower wefts 121a and 121b, the upper weft 121a is accommodated in the groove 133 of the base 131, and the locking piece 132 is locked on the other surface of the slat 110. Ru. Thereby, the upper weft thread 121a is clamped and fixed between the base 131 and the slat 110. Thus, in the middle cord 121, the lower weft thread 121b is not fixed to the slat 110, and only the upper weft thread 121a is fixed to the slat 110.

(Lifting cord 150)
The lifting cord 150 lifts and lowers the slat 110 as it moves up and down. As shown in FIG. 1, one elevating cord 150 is provided at each of the central portion and both end portions in the longitudinal direction of the slat 110. The respective lifting cords 150 are arranged along the ladder cords 120. Also, each lifting cord 150 is connected to a bottom rail 190 whose lower end is disposed at the bottom of the plurality of slats 110, and the upper end is introduced into the head box 140 through the side edge of the plurality of slats 110. The lifting cord 150 introduced into the head box 140 is led to one end of the head box 140 and is led out from the outlet 170 via the stopper 171. The operation unit 180 is configured of a part of the lifting cord 150 derived from the head box 140 or the cord 181 connected to the lifting cord 150.

  A lifting cord 150 provided at the longitudinal center of the slat 110 is disposed along the front vertical cord 122. Further, lifting cords 150 provided at both longitudinal ends of the slat 110 are disposed along the rear vertical cord 123. The lifting cords 150 arranged in this way are always kept in tension.

  In the present embodiment, the lifting cord 150 is always kept in tension for the following reason. That is, as described above, the brand 100 according to the present embodiment has the same pitch as the other portion on the front side of the slat 110 in the switching unit 120a, but doubles on the rear side, and the front and rear vertical cords 122, 123 have different lengths. For this reason, when all the slats 110 are inclined in the vertical state, the rear vertical cord 123 with a long pitch of the slats 110 is slackened in the switching unit 120a. As described above, in the case of the blind in which the vertical cord is loosened, if the elevator cord is not always kept in tension, the elevator cord is slackened, which causes the rotation of the slat to be disturbed. For this reason, in the blind 100 of the present embodiment, the rotation property of the slat 110 is improved by always keeping the lifting cord 150 in tension.

  The configuration of the blind 100 of the present embodiment has been described above. Next, the operation of the blind 100 of the present embodiment will be described with reference to FIGS. 4 and 5.

  When the ladder cord 120 is not inclined, that is, when both the front and rear vertical cords 121 and 122 are wound on the rotating drum to the same extent, the upper slat group 110a is horizontal as shown in FIG. The lower slat group 110b is in a tilted state. Thereby, the light from the outside can be taken in at the upper part of the blind 100. On the other hand, in the lower part of the blind 100, it is possible to block the light and the line of sight from the outside to some extent. In this way, variations can be made in the state of light that is incident and blocked.

  Next, the front vertical cord 122 is wound on the rotary drum and raised, and the rear vertical cord 123 is unwound and lowered from the rotary drum, and the upper slat group 110a and the lower slat group 110b rotate. As shown in FIG. 5 (a), all the slats 110 are closed. As described above, only the upper weft thread 121a is fixed to the immediately upper slat 111, and the lower weft thread 121b is fixed to the immediately upper slat 111, as described above. It has not been. For this reason, as shown in FIG. 5B, the lower weft yarn 121b is inclined in a separated state from the slat 111 immediately above when it is rotated. Therefore, since the slat 110 immediately above can be rotated without being affected by the lower yarn 121b, the slat immediately above can be improved in the rotation property and the shielding property is improved.

(Effects of the first embodiment)
As described above, according to the present embodiment, among the upper and lower wefts 121a and 121b constituting the middle cord 121, the slat clip 130 holds only the upper weft 121a between the slat 111 immediately above it. . For this reason, the slat 111 immediately above can be rotated without being affected by the lower weft thread 121b, and the shielding property of the slat 111 immediately above at the time of rotation is improved.

  In addition, the slat 110 can be held by the ladder cord 120 at different angles at the upper and lower portions at the boundary of the switching part 120a of the ladder cord 120, and the slat 111 immediately above the switching part 120a where the angle is switched A clip 130 is provided. As a result, the slat 111 immediately above the switching unit 120a reliably follows the rotational movement of the ladder cord 120. Therefore, the accuracy of the operation can be realized in the slat 111 immediately above the switching unit 120a that is easy for the user of the home person or the worker to see.

Second Embodiment
Next, the configuration of the blind according to the second embodiment will be described with reference to FIGS. FIG. 6 is a perspective view from the front side showing the central portion in the longitudinal direction of the slat near the switching portion according to the second embodiment, and FIG. 7 shows the longitudinal end of the slat near the switching portion It is the perspective view seen from the back side, and FIG. 8 is sectional drawing which shows the structure which fixed the slat just above and the middle step cord by the slat clip. In this embodiment, as an application example of the blind of the first embodiment, a feature is given to the fixing structure by the slat clip to the middle stage cord of the slat. In the present embodiment, differences from the first embodiment will be mainly described.

  In the present embodiment, differences from the first embodiment will be mainly described. In the following description, the slat 210, the slat 211 immediately above, the ladder cord 220, the middle cord 221, the upper weft 221a, the lower weft 221b, the front vertical cord 222, the back vertical cord 223, the slat clip 230, the base 231 For the locking piece 232 and the groove 233, the slat 110 of the first embodiment, the slat 111 immediately above, the ladder cord 120, the middle cord 121, the upper weft 121a, the lower weft 121b, the front vertical cord 122, The same descriptions as those of the vertical cord 123 on the side, the slat clip 130, the base 131, the locking piece 132, and the groove 133 will be omitted.

  The present embodiment adopts the following configuration as an application example of the blind 100 of the first embodiment. That is, in the blind 200 of the present embodiment, the configuration for fixing the slat 211 immediately above and the middle step cord 221 is different between the central portion and the both end portions in the longitudinal direction of the slat 211 immediately above. That is, at the central portion in the longitudinal direction of the slat 211 immediately above, as shown in FIG. 6, the slat 211 immediately above is attached to the weft 221 a on the middle cord 221 by the slat clip 230 as in the first embodiment. Fix it.

  On the other hand, at both ends of the slat 211 immediately above, as shown in FIG. 7, the slat 211 immediately above is vertically shifted with the positional relationship between the upper and lower weft yarns 221 a and 221 b of the middle cord 221 reversed. Is inserted between the weft yarns 221a, 221b. Thus, when the slat 211 immediately above is inserted between the upper and lower wefts 221a and 221b of the middle cord 221, the lower weft 221b is disposed above the slat 211 immediately above and below the slat 211 immediately above. The upper weft yarn 221a is to be disposed.

  The slat clip 230 is disposed under the upper weft 221a so that the upper weft 221a is accommodated in the groove 233 of the base 231 as shown in FIG. It is locked on the other side of Thereby, the upper weft yarn 221a is clamped and fixed between the base 231 and the slat 211 directly above. Therefore, in the middle cord 221, the lower weft yarn 221b is not fixed to the slat 211 immediately above, and only the upper weft yarn 221a is fixed to the slat 211 immediately above.

  The configuration of the blind 200 of the present embodiment has been described above. Next, the operation of the blind 200 of the present embodiment will be described with reference to FIGS. 9 and 10.

  When the ladder cord 220 is not inclined, that is, when both the front and rear vertical cords 221 and 222 are wound on the rotating drum to the same extent, the upper slat group 210a is horizontal as shown in FIG. The lower slat group 210b is inclined. Thereby, the light from the outside can be taken in at the upper part of the blind 200. On the other hand, in the lower part of the blind 200, it is possible to block the light and the line of sight from the outside to some extent. In this way, variations can be made in the state of light that is incident and blocked.

  Next, the front vertical cord 222 is wound on the rotary drum and raised, and the rear vertical cord 223 is unwound and lowered from the rotary drum, and the upper slat group 210a and the lower slat group 210b rotate. As shown in FIG. 10 (a), all the slats 210 are closed. As described above, only the upper weft yarn 221a disposed below the slat 211 immediately above is fixed to the slat 211 immediately above and the lower cord 221 supporting the longitudinal ends of the slat 211 immediately above is fixed to the lower slat 211. Weft yarn 221 b is not fixed to the slat 211 immediately above.

  For this reason, the slat 211 immediately above rotates while being supported by the upper weft yarn 221a, as shown in FIG. 10 (b). Since the longitudinal central portion of the slat 211 immediately above is also supported by the weft yarn 221 a on the middle cord 221, the height at which the slat 211 immediately above is supported by the middle cord 221 at both ends in the longitudinal direction and the central portion It almost matches. Therefore, the slat 211 immediately above does not have a difference in rotational property over the entire length in the longitudinal direction, and accurate rotation becomes possible.

(Effect of the second embodiment)
As described above, according to the present embodiment, the middle cords 221 located at both ends in the longitudinal direction of the slat 210 are slats in between while the upper and lower positional relationship between the upper and lower weft threads 221a and 221b is reversed. 210 is inserted. For this reason, since the weft on which the slat 210 is placed is the upper weft 221a that was originally at the upper side, both ends in the longitudinal direction of the slat 211 immediately above are fixed to the upper weft 221a by the slat clip 230 .

  On the other hand, the longitudinal central portion of the slat 211 immediately above is fixed by the upper weft yarn 221 a and the slat clip 230. Thus, the slats 211 directly above are fixed by the slat clips 230 to the weft 221 a, which are both at the longitudinal ends and at the center. Accordingly, the heights of both ends in the longitudinal direction of the slat 211 immediately above coincide with the height of the central portion, and the slat 211 immediately above disappears in the longitudinal direction without any difference in rotation, and more accurate rotation becomes possible.

  Also, in general, in the blinds in which the lifting cords are not inserted through the slats, in order to prevent lateral displacement of the slats, notches are provided at both ends in the longitudinal direction of the slats, and ladder cords are arranged in the notches. ing. When the slat having such a notch is placed on the middle cord, the notch is inserted into the middle cord. For this reason, both ends in the longitudinal direction sink into the middle cord, and the central part is positioned on the middle cord, and the height positions of the both ends of the slat differ from the central part. . Thus, if the heights in the longitudinal direction of the slat are different, the rotational properties in the longitudinal direction of the slat will differ.

  Even if a slat having such a notch is applied to the present embodiment, the slat 211 immediately above is fixed to the upper weft 221 a by the slat clip 230 at both ends and center in the longitudinal direction. For this reason, the slat 211 immediately above does not fall into the middle step cord 221 by the depth of the notch, and the heights of the both ends in the longitudinal direction coincide with the center. Thus, the slat 211 immediately above is free from rotational differences in the longitudinal direction, which enables more accurate rotation.

  Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to such examples. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the appended claims, and of course these also fall within the technical scope of the present invention. It is understood.

  For example, in the above embodiment, the middle cord is constituted by two weft threads, but the present invention is not limited to this, as long as it has a function of placing a slat on top or inserting it between The number of weft yarns may be arbitrary.

  Moreover, in the said embodiment, although the slat clip which consists of a base which clamps the substantially full length of a weft between slats as an example of a slat fixing member, and a locking piece was described, it is not limited to this example. For example, as long as the slat and the weft can be fixed, a part of the weft may be fixed to the slat.

  In the above embodiment, the number of ladder cords is three, and the central part and both ends in the longitudinal direction of the slat are supported by the ladder cords, but the number of ladder cords is, for example, depending on the size and design of the blinds. It is optional.

  Further, in the above embodiment, the upper slat group is configured by configuring the length-packed portion partially shorted by the knob member at an intermediate position in the vertical direction on the front side of the vertical cords before and after the ladder cords. Although the switch portion capable of supporting the lower slat group and the lower slat group at different angles is provided in the ladder cord, the present invention is not limited to this example. For example, it may be something like the following example. That is, the upper and lower slat groups may be supported by different ladder cords. That is, the upper slat group is supported by the upper ladder cord supporting only the upper slat group, and the lower slat group is supported by the lower ladder cord supporting only the lower slat group. And, by rotating the upper ladder cord and the lower ladder cord independently or with a time difference, it is possible to make the slat angles different at the upper and lower sides. By providing a slat clip on the lowermost slat of the upper slat group of the blind thus configured, the shielding property of the slat during rotation is improved.

  As another example, the following may be used. That is, all slats are supported at the same angle on the ladder cord, and the operation cord is connected to part of the ladder cord. Then, by operating the operation code, a part of the ladder cord is pulled up, and only the lower slat group below the pulled up point is rotated, so that the upper and lower slat groups are separated from the pulled up point. Different angles may be used. By providing a slat clip on the lowermost slat of the upper slat group of the blind thus configured, the shielding property of the slat during rotation is improved.

  Furthermore, in the above embodiment, the slats are described in the configuration in which the central portion in the longitudinal direction is placed on the upper and lower wefts of the middle cord and both ends are inserted between the upper and lower wefts. The position of the slat to be placed or inserted between upper and lower wefts is not limited to this example. Also, the slat may be supported only by being placed on the upper and lower wefts over the entire length, and conversely, it may be inserted between the upper and lower wefts.

  In the above embodiment, the slats are inserted between the upper and lower wefts in a state in which the positional relationship between the upper and lower wefts is reversed, but the slats are interposed between the upper and lower wefts without reversing the positional relationship. It may be inserted. With such a configuration, the slats have the upper weft at the top and the lower weft at the bottom and are fixed to the lower weft by the slat clip. For this reason, since the slats are fixed between the longitudinal ends at the lower weft and at the center at the upper weft, each slat is fixed by one weft . Therefore, the shielding property of the slat is improved while preventing the lateral displacement of the slat.

  In the above embodiment, the upper slat group and the lower slat group are configured to be supported by the ladder cord at different inclination angles, but the present invention is not limited to this example. For example, all the slats may be blinds supported by the ladder cord at the same tilt angle.

  Moreover, in the said embodiment, although it was set as the structure which provides a slat clip in the slat directly above, it is not limited to this example. For example, it may be provided in any one or more stages of slats located in a predetermined stage including the uppermost stage slat.

  Moreover, in the said embodiment, although it was set as the structure by which a raising / lowering code | cord | chord is arrange | positioned along the side edge of each slat, it is not limited to this example. For example, the lifting cord may be configured to penetrate the slat.

  Moreover, in the said embodiment, although the slat clip was passed between upper and lower wefts and the slat and upper weft were fixed and the lower weft was made free, this invention is not limited to this. For example, the lower weft may be cut only at a place where the slat and the upper weft are fixed by the slat clip.

100, 200 blind 110, 210 slat 110a upper slat group 110b slat 120, 220 immediately above lower slat group 111, 211 ladder cord 120a switching portion 121, 221 middle stage code 121a, weft 121b, 221a weft 122, below weft 122, 222 front vertical cord 123, 223 rear vertical cord 124 knob 130, 230 slat clip (slat fixing member)
131, 231 Base 132, 232 Locking piece 133, 233 Groove 140 Head box 150 Lifting cord 160 Operation rod 170 Leading hole 171 Stopper 180 Operation part 181 Code 190 Bottom rail

Claims (6)

In a blind provided with a ladder cord for supporting a plurality of slats in an aligned state and making the inclination of the slat variable, and a slat fixing member for fixing the slat to the ladder cord,
The ladder cords have a plurality of middle cords provided in the longitudinal direction of the slats and supporting the plurality of slats respectively , and each middle cord is composed of a plurality of wefts arranged vertically.
A blind according to at least one of the ladder cords of the predetermined slats , wherein the slat fixing member fixes the predetermined slats only to the upper one of the upper and lower wefts. . The predetermined slat is mounted on the weft of the upper and lower, said slat fixing member characterized in that it is inserted between the weft of the upper and lower blind according to claim 1. The ladder cords are provided at both ends and a central portion in the longitudinal direction of the slat,
The longitudinal central portion of the predetermined slat is placed on the upper and lower weft threads, and is fixed only to the upper weft thread by the slat fixing member.
Both ends of the predetermined slat in the longitudinal direction are inserted between the upper and lower weft threads, and fixed by the slat fixing member to only the lower one of the upper and lower weft threads. The blind according to claim 1 or 2. The slats are placed on the upper and lower wefts in a state in which the positional relationship between the upper and lower wefts is not reversed, and the ladder cords provided at the central portion in the longitudinal direction of the predetermined slats 4. The ladder cord according to claim 3, wherein the slats are inserted between the upper and lower wefts in a state in which the positional relationship between the upper and lower wefts is reversed in the up and down direction. blind.   The blind according to any one of claims 1 to 4, wherein the predetermined slat and the slat directly below the slat can be supported at different inclination angles by the ladder cord. The blind according to any one of claims 1 to 5, wherein a lifting cord for lifting and lowering the slat is disposed along a longitudinal side edge of the slat.