JP2002191492A - Structure for covering curtain-body hanging part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for covering a curtain-body hanging part, which can make an existing curtain-body hanging body and a hung section of a curtain body covered with the covering curtain body by utilizing the curtain-body hanging body. SOLUTION: A front curtain-body hanging attachment 6 is fixed to a bracket 1 or a curtain rail 2, which is fixed to a window frame A, and side curtain-body hanging attachments 7 are fixed to both the ends of a rear curtain rail 2. Long hanging plates 9 are inserted for fixation into hung parts 6b of the hanging attachment 6 mounted on a front curtain rail 2 at prescribed intervals, and short hanging plates 9 are inserted for fixation into hung parts 7b of the hanging attachment 7 installed in both side parts. The side edge of the upper end of the pelmet curtain body 11 is stuck for fixation via a hook and loop fastener 10 to the hanging plates 9 installed across the hanging attachment 6 and 7, so that the curtain body 11 can be hung in a state of covering the periphery (except the rear side) of the curtain rail 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the rental of curtains, screens, blinds, etc.
The present invention relates to a curtain hung portion covering structure used to cover a hung portion of a curtain using a curtain hung body such as a bracket or a rail which is previously installed when cleaning.

[0002]

2. Description of the Related Art Conventionally, as a covering structure of the above-mentioned example, if a curtain rail erected on a window frame and a hanging part of a curtain hanged on the curtain rail are exposed, the appearance is poor, and the design is poor. Due to its low value, there is a method in which the periphery of the curtain rail (excluding the rear portion) and the suspended portion of the curtain are covered with a covering upper decorative cloth so as to be invisible from the front and side surfaces.

[0003]

However, when the above-mentioned upper decorative cloth is hung on a curtain rail which is already erected,
Brackets and curtain rails must be replaced with ones with a structure for suspending the upper drapery. In addition, the work of removing or replacing the bracket or the curtain rail requires the use of tools such as a screwdriver, pliers, and a saw, and the work of suspending the upper decorative cloth takes time and effort. There is a problem that workability is poor.

[0004] In view of the above problems, the present invention fixes a covering curtain hanging device to an existing curtain hanging member installed at a predetermined location, and then attaches the covering curtain around the curtain hanging member and the curtain. By hanging the hanging part of the body in a covered state, the curtain hanging body can be used in common and the hanging of the covering curtain can be easily and easily performed. The purpose is to provide a part covering structure.

[0005]

According to the first aspect of the present invention,
Attachment portions fixed to the curtain hanger suspended at predetermined locations are provided on one end side of the covering curtain hanger, and are attached to the periphery of the curtain hanger and to the curtain hanger. And a hanging portion for hanging the covering curtain formed to have a size to cover the hanging portion of the curtain body is provided on the other end side of the covering curtain hanging fixture. It is characterized by the following.

According to a second aspect of the present invention, in addition to the structure of the first aspect, the mounting portion is fixed to the curtain hanging member between the curtain hanging member and the mounting portion. It is a curtain body hanging part covering structure provided with a fixing means to perform.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, a curtain body suspension is provided in which the hanging portion is vertically movable to a desired hanging height with respect to the mounting portion. It is characterized in that it is a part covering structure.

According to a fourth aspect of the present invention, in addition to the configuration of the first or third aspect, the curtain is provided such that the hanging portion is horizontally movable to a desired hanging position with respect to the mounting portion. It is a hanging part covering structure.

[0009] The invention according to claim 5 provides the above-mentioned claims 1 and 3.
Or, in combination with the configuration described in 4, the hanging body is a curtain body hanging part covering structure provided so that the hanging part can be changed in direction to a desired hanging angle around the mounting part.

[0010] The invention according to claim 6 is the above-mentioned claim 1,
In addition to the configuration described in 3, 4 or 5, the present invention is characterized in that it is a curtain body hanging portion covering structure in which a hanging body on which the covering curtain body is suspended is fixed to the hanging portion.

According to a seventh aspect of the present invention, in addition to the structure of the sixth aspect, the present invention provides a curtain body hanging portion covering structure in which the hanging body is provided so as to be extendable and contractible in the length direction. Features.

[0012]

According to the present invention, the covering curtain body hanging fixture is fixed to the existing curtain body hanging body erected at a predetermined location,
Since the covering curtain is hung so that the periphery of the curtain hung body and the hanging portion of the curtain are covered, for example, it is necessary to remove or replace the curtain hung body such as a bracket or a rail. The labor and work can be saved, the existing curtain hanging body can be used in common, and the operation of hanging the covering curtain can be performed simply and easily. In addition, since the time required for the work can be reduced, the workability can be improved.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

[0014] The drawing shows a case in which a curtain rail constituting a curtain opening / closing device provided on a window frame, which is an example of a predetermined portion, and a hanging portion of a curtain (curtain) suspended from the curtain rail are covered. 1 and 2 and FIG. 4 show a plurality of brackets fixed to a window frame A at predetermined intervals. 1 (or the curtain rail 2) is fixed to the front curtain body hanging fixture 6, and the side curtain body hanging fixture 7 is fixed to both ends (corners) of the rear curtain rail 2.

The above-mentioned curtain rails 2 are installed in parallel with the lower surface side of the double type brackets 1 fixed to the window frame A, and are installed inside (indoor) and outside (window side). A curtain 4 of a thin cloth and a curtain 5 of a thick cloth are hung on the lower surface side of the panel 3 via runners 3 so as to be openable and closable in the left-right direction.

In the above-described curtain body hanging portion covering structure, for example, the curtain 4 or 5 is hung in combination with either the blind opening / closing device or the screen opening / closing device, or the blind opening / closing device and the screen opening / closing device are combined. Can be used in combination with a combination of the above and when one or more sets of blind opening and closing devices are hung. Also, curtain 4,
5 is a single bracket (not shown)
When hung on the curtain rail 2 erected in the vehicle, the curtain rail 2 and the hanging portions of the curtains 4 and 5 may be used to cover and conceal.

The above-described front curtain hanging fixture 6 is shown in FIGS.
As shown in FIG. 5, a substantially T-shaped tool body 6a when viewed from above.
Is formed from a material such as plastic or metal (steel plate), and a substantially gate-shaped mounting portion 6b fixed to the upper outer surface of the bracket 1 is formed on the base end side (one end side) of the tool body 6a. On the free end side (the other end side), an upper decorative curtain 11 described later is provided.
Is formed as a hanging portion 6c.

The mounting portion 6b is configured to bend the support portions 6d formed on both edges of the component body 6a substantially vertically, and to fill the space between the support portions 6d, 6d with the width of the double or single type bracket 1. It is separated by a wider interval than that.

A screw member 8 is attached to one side (or both side surfaces) of the bracket 1 so as to be rotatable with respect to one support portion 6d formed on the attachment portion 6b. Of the screw member 8 is brought into contact with one side surface of the bracket 1 by rotating the rotating operation portion (head) of the screw member 8 in the tightening direction with the fingertip of the operator. Due to the reaction force, the other side surface of the bracket 1 is pressed against the other support portion 6d to fix the curtain hanging device 6 to the outer surface of the bracket 1. On the other hand, when the screw member 8 is rotated in the loosening direction to release the fastening, the curtain hanging fixture 6 can be separated from the outer surface of the bracket 1.

The above-mentioned hanging portion 6c has a groove 6e, which is locked to a locking portion 9a of a hanging plate 9 described later, substantially parallel to the front and rear edges of the lower surface of the hanging portion 6c. It has two lines. Claws 6f that are locked to the locking portions 9a of the suspension plate 9 are formed on the lower edge side facing edge of the groove 6e so as to face each other, and a hanging edge is formed on the rear edge of the rear groove 6e. The supporting portion 6g is formed substantially vertically so as to face the back side of the lowering plate 9. In addition,
The claw portions 6f, 6f are forcibly expanded to an interval at which the locking portion 9a of the suspension plate 9 is allowed to be inserted against the material elasticity. Further, the number of grooves 6e may be one or two or more.

On the other hand, on the upper end side of the suspension plate 9, a substantially wedge-shaped (or hook-shaped) locking portion 9a is formed continuously in the longitudinal direction (or formed at a predetermined interval) when viewed from the side. )are doing. On the front side of the suspension plate 9, a tape 10a having a large number of hook-shaped projections constituting the hook-and-loop fastener 10 is fixed by bonding (or inserted and fixed) to form a tape 10b having a large number of annular projections. Is sewn or fixed (or bonded and fixed) to the upper end side edge of the gathered upper decorative curtain body 11 sewn or stretchably sewn to a length that covers the periphery (front and side) of the curtain rail 2. I have. In the embodiment,
The front suspension plate 9 is formed in a long dimension and the side suspension plate 9 is formed in a short dimension. For example, the suspension plate 9 can be expanded and contracted in the length direction (adjust). May be provided.

The above-mentioned side curtain hanger 7 is shown in FIGS.
As shown in FIGS. 8 and 9, the tool main body 7 a having a substantially T-shape when viewed from the top and a substantially L-shape when viewed from the back is formed of a material such as plastic or metal (steel plate). 7b formed by bending the base end side (one end side) substantially vertically
A plate-like mounting portion 7 fixed to the bracket 1
At the free end (the other end), a hanging portion 7c on which an upper decorative curtain 11 described later is hung is formed.

The above-mentioned mounting portion 7d is provided with the curtain rail 2
The screw member 12 is formed on the support portion 7h by overlapping the support portion 7b with the support portion 7h formed upright on the upper surface on one end side of the mounting portion 7d. It is screwed into a screw hole 7j formed in the support portion 7b through the vertically elongated hole 7i.

That is, the screw member 12 is rotated in the tightening direction by an operator's hand, and the support portions 7b and 7h are pressed against each other to fix the suspension portion 6 at a desired height position. When the fastening by the screw member 13 is released, the curtain hanging fixture 7 can be moved up and down to a desired height position.

On the other hand, the screw member 13 is screwed to the retaining member 14 above the hole 7k through a horizontally long hole 7k formed on the upper surface on the other end side of the mounting portion 7d. Retaining member 14
Are rails 2a, 2 formed on the lower surface side of the curtain rail 2.
When the rail 2a is horizontally rotated at an angle that is substantially perpendicular to the curtain rail 2 within a width allowed to be inserted between the rails 2a,
2a.

That is, when the mounting portion 7d is mounted in a direction substantially perpendicular to the lower end of the rear (or front) curtain rail 2, the retaining member 14 is moved to the rails 2a, 2a.
, And the screw member 13 is rotated in the tightening direction by a fingertip of an operator to press the retaining member 14 against the rails 2a, 2a of the curtain rail 2 and to attach the retaining member 14 by the reaction force thereof. The portion 7 d is pressed against the lower surface of the curtain rail 2 to fix the curtain hanging fixture 7 to the end of the curtain rail 2. On the other hand, when the fastening and fixing by the screw member 13 is released, the curtain hanging fixture 7 can be separated from the curtain rail 2. Further, the mounting portion 7d may be fixed to the rail cap.

On the other hand, the hanging portion 7c is
c, and two grooves 7e, which are locked to the locking portions 9a of the suspension plate 9, are formed substantially parallel to the front and rear edges of the lower surface of the suspension portion 7c. ing. Groove 7e
At the lower end side facing edge portion, a claw portion 7f to be locked to the locking portion 9a of the suspension plate 9 is formed so as to face each other, and the rear groove portion 7 is formed.
At the rear edge of e, a support portion 7g is formed substantially vertically so as to face the back side of the suspension plate 9.

The grooves 6e and 7e are, for example,
It may be formed as a strip or two or more strips, or may be formed partially or alternately at predetermined intervals with respect to the entire length of the hanging portions 6c, 7c. A non-slip member having a large contact resistance, such as a soft resin or rubber, is attached to the mounting portions 6b and 7b of the tool bodies 6a and 7a facing the side surface of the bracket 1 and the tip of the screw member 12, for example. Is also good.

The illustrated embodiment is constructed as described above, and a method of suspending the upper decorative curtain 11 around the already installed curtain rail 2 will be described below.

First, as shown in FIGS. 4 and 5, the mounting portion 6b of the front curtain hanging device 6 is mounted on the upper outer surface of the brackets 1 fixed to the window frame A. 8 in the tightening direction so that both side surfaces of the bracket 1 are
And the screw member 8 for fixing.

On the other hand, as shown in FIGS. 8 and 9, after the mounting portion 7b of the side curtain hanging device 7 is attached to the lower surface side end of the rear curtain rail 2, the screw member 13 is tightened. The rails 2a, 2a of the curtain rail 2 are clamped and fixed between the screw member 13 and the retaining member 14 by rotating in the inserting direction.

Next, two long hanging plates 9 are inserted alternately into the hanging portions 6b of the both-side curtain hanging device 6, and the opposing ends of the hanging plates 9 are positioned at the center. Actuator hanging fixture 6
Overlaps (superimposes) before and after the hanging part 6b
After that, the two hanging plates 9 are slid in the left-right direction to extend and contract to a length protruding outward from both ends of the curtain rail 2, and are installed.

Similarly, after the two short suspension plates 9 are inserted into the suspension portion 7b of the side curtain suspension device 7 by overlapping (overlapping) with each other so as to be staggered, 2 The two suspension plates 9 are slid in the front-rear direction so that one suspension plate 9 abuts or approaches the wall surface on the side of the window frame A, and the other suspension plate 9 is moved from the front curtain rail 2. Also project forward,
It is extended and contracted to a length that is in contact with or close to the rear side end of the hanging plate 9 attached to the front curtain hanging fixture 2.

After the front and side suspension plates 9 have been adjusted to a predetermined length, the facing ends of the two suspension plates 9 are removed.
For example, it may be fixed or connected by a member such as a screw or a hook, or a member having a large contact resistance may be interposed between the opposing surfaces of the suspension plate 9 so as to be fixed to a desired bridge dimension.

Next, as shown in FIGS. 1 and 2, the upper end side edge of the upper decorative curtain body 11 is fixed via the hook-and-loop fastener 10.
Suspension plates 9 installed on the front and side curtain hanging devices 6 and 7
, And is hung so that the periphery (excluding the rear side) of the curtain rail 2 is covered and concealed, with both end portions of the upper decorative curtain body 11 along the wall surface on the side of the window frame A. .

As described above, the curtain hanging members 6 and 7 are connected to the existing bracket 1 or curtain rail 2
And the upper decorative curtain 11 is suspended so that the periphery of the curtain rail 2 (excluding the rear part) and the hanging portions of the curtains 4 and 5 are covered, so that the bracket 1 and the curtain rail 2 can be removed. The labor and work for replacement can be omitted, the existing bracket 1 and the curtain rail 2 can be used in common, and the work of suspending the upper decorative curtain 11 can be performed simply and easily. In addition, since the time required for the work can be reduced, the workability can be improved.

Further, the suspension plate 9 is connected to the curtain rail 2.
Adjust the expansion and contraction to the size that protrudes a predetermined length from both ends of the
Since the upper decorative curtain 11 is suspended substantially horizontally along the entire length of the curtain 2, the periphery of the curtain rail 2 (excluding the rear portion) and the suspended portions of the curtains 4 and 5 can be reliably covered and hidden. In addition, since there is no need to increase the number of front curtain body hanging fixtures 6 to be attached or to reduce the intervals, the necessary minimum number of front curtain body hanging fixtures 6 support the hanging plate 9, so that preparation is required. The number of parts required is small, and management and handling can be performed easily.

FIG. 10 shows another fixing method of fixing the front curtain body hanging fixture 6 to the bracket 1 (or the curtain rail 2) already mounted, for example, a double-sided adhesive tape, a surface fastener, a magnet. Since the suction member 15 is interposed between the facing surfaces of the tool body 6a constituting the front curtain body hanging fixture 6 and the bracket body 1a constituting the bracket 1, they are integrally suction-fixed to each other. Functions and effects substantially the same as those of the above-described embodiment can be obtained.

Further, the front curtain hanging member 6 may be directly fixed to the curtain rail 2 (or a bar-shaped rail). For example, as shown in FIG. When the locking claw 17 and the locking member 18 mounted opposite to the locking claw 17 are locked and fixed to both upper edge portions 2b, 2b of the curtain rail 2, the front curtain body hanging fixture 6 can be attached with one touch. In addition, the mounting position and the mounting interval can be arbitrarily changed.

As another fixing method, for example, the front curtain body hanging fixture 6 is mounted on the upper outer surface of the curtain rail 2 and is integrally tightened and fixed by the screw member 8 described above, or the front curtain body is suspended. Pressing member (for example, pad or cam) attached to the tool 6
To the bracket 1 with an elastic body (for example, a spring or rubber).
Alternatively, the curtain rail 2 may be clamped and fixed by being pressed against the curtain rail 2, the curtain rail 2 may be clamped by a clamp attached to the front curtain body hanging fixture 6, a belt may be wound around the curtain rail 2, or the front curtain body hanging fixture. 6 and the opposing surfaces of the bracket 1 or the curtain rail 2 are formed in a shape substantially matching each other, and they are fixedly fitted or inserted and fixed, or the claws and the grooves formed on the mutually opposing surfaces are locked. Alternatively, the concave portion and the convex portion may be locked and integrally fixed. Further, the side curtain hanging member 7 may be fixed to the bracket 1 or the curtain rail 2 in the same manner as described above.

FIG. 12 shows the hanging portion 6 of the front curtain hanging device 6.
c shows another example in which a desired orientation, height, and position can be variably adjusted with respect to the base end side (mounting portion 6b) of the component main body 6a. The free end of the component main body 6a and the support plate The screw member 24 pivotally connected to the base end portion 20 is rotated (in a loosening direction or a tightening direction), and the hanging portion 6c is horizontally rotated in the left-right direction to be variably adjusted to a desired direction and angle.

Further, the screw member 25 screwed to the support plate 21 on the lower surface of the support plate 20 is rotated through the hole 20a formed on the free end side of the support plate 20, and the hanging portion 6c is elongated horizontally. It moves horizontally in the front-rear direction along the hole 20a. Also, the hole 22 of the support portion 22 formed on the rear end side upper surface of the hanging portion 6c
a, the screw member 26 screwed into the screw hole 23a of the support portion 23 formed on the upper surface at the free end side of the support plate 21 is rotated, and the hanging portion 6c is moved right and left along the horizontally long hole portion 20a. In the same manner as in the above-described embodiment, the upper decorative curtain 11 is moved around the curtain rail 2 (excluding the rear portion) and the curtain 4 in the same manner as described above. , 5 can be hung in a state where the hanging part is covered.

Further, the hanging part 6c is pivotally mounted so as to be vertically rotatable with respect to the vertical direction, or one or a plurality of structures of horizontal rotation, front and rear movement, left and right movement, and vertical rotation are combined. You may. In the same manner as described above, the hanging portion 7c of the side curtain hanging device 7 may be variably adjustable in a desired direction, height, and position.

FIG. 13 shows the hanging portion 6 of the front curtain hanging device 6.
Another example in which c is provided so as to be adjustable in height is shown, and a screw member 28 is provided on the rear end side lower surface of the hanging portion 6c through a hole 29a of a support portion 29 formed on the free end side of the tool body 6a. Is screwed into the screw hole 30a of the supporting portion 30 which is vertically suspended, and the hanging portion 6c is vertically moved vertically along the vertically elongated hole portion 29a, and is variably adjusted to a desired hanging height. Curtain opening and closing devices such as opening and closing devices and screen opening and closing devices,
The desired hanging height can be variably adjusted according to the step generated when the curtain opening / closing device is combined with the curtain opening / closing device. Surroundings (excluding the rear) and curtains 4,5
Can be hung in a state where the hanging portion is covered.

In the correspondence between the structure of the present invention and the above-described embodiment, the curtain suspension structure of the present invention corresponds to the bracket 1 and the curtain rail 2 of the embodiment. , Corresponding to the window frame A, the wall, the ceiling, etc.
Corresponding to the curtains 4 and 5 of the curtain opening and closing device, the screen of the screen winding device, and the slats of the blind opening and closing device, the covering curtain body hanging fixture is a front curtain body hanging fixture 6,
Corresponding to the side curtain hanging member 7, the covering curtain corresponds to the upper decorative curtain 11, and the fixing means includes the screw members 8, 13, the retaining member 14, the suction member 15, The suspension corresponds to the pawl 17, the locking member 18, and the other fixing means described above, and the suspension corresponds to the suspension plate 9, but the present invention is limited to only the configuration of the above-described embodiment. Not something.

The above-mentioned curtain body hanging portion covering structure covers or hides a box rail or a bracket constituting a curtain body opening / closing device such as a blind opening / closing device, a screen opening / closing device, or winds a hanging portion of a slit or a screen. It can also be used to cover a part, and the application is not limited only to the curtain opening and closing device of the embodiment.

[Brief description of the drawings]

FIG. 1 is a front view showing a suspended state of an upper decorative curtain.

FIG. 2 is a plan view showing a suspended state of the upper decorative curtain.

FIG. 3 is a perspective view showing a front curtain hanging device.

FIG. 4 is a side view showing an attached state of the front curtain hanging device.

FIG. 5 is a plan view showing an attached state of the front curtain hanging device.

FIG. 6 is a perspective view showing a side curtain hanger.

FIG. 7 is a vertical sectional side view showing a side curtain hanging device.

FIG. 8 is a side view showing an attached state of the side curtain hanging device.

FIG. 9 is a bottom view showing an attached state of the side curtain hanging device.

FIG. 10 is a side view showing another fixing method of the front curtain hanging device.

FIG. 11 is a side view showing an example in which the front curtain hanging device is fixed to a curtain rail.

FIG. 12 is a plan view showing another example in which the direction and position of the suspension unit are changed.

FIG. 13 is a side view showing another example in which the height of the suspension unit is variable.

[Explanation of symbols]

 A: Window frame 1 ... Bracket 2 ... Curtain rail 3 ... Runner 4, 5 ... Curtain 6 ... Front curtain hanging fixture 7 ... Side curtain hanging fixture 6b, 7d ... Mounting part 6c, 7c ... Hanging part 7h ... Supporting part 7i ... Elongated hole 7k ... Hole part 8 ... Screw member 9 ... Hanging plate 10 ... Surface fastener 11 ... Top decorative curtain 12,13 ... Screw member 14 ... Detachment member 15 ... Suction member 17 ... Lock Claw 18 ... Locking member 20,21 ... Support plate 22,23,29,30 ... Support portion 20a, 22a, 29a ... Hole portion 24,25,26,28 ... Screw member

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keiko Okubo 1-33 Toyotsucho, Suita-shi, Osaka Prefecture Daskin Co., Ltd. (72) Minoru Teraura 3-6 Tamatsuzo Motomachi, Tennoji-ku, Osaka White No. 501 Co., Ltd. Terry's Textile (72) Inventor Yushi Yoshida 1-8-16 Higashi-Kagaya, Suminoe-ku, Osaka-shi Inside SME Industry Co., Ltd. (72) Inventor Yoshizo Matsumoto 1-8-16 Higashi-Kagaya, Suminoe-ku, Osaka-SME Industry (72) Inventor Shoji Kitano 1-8-16 Higashikagaya, Suminoe-ku, Osaka FSM term (reference) 2E182 AA01 AB01 AC01 DD05 EE01

Claims (7)

[Claims] An attachment portion fixed to a curtain hanger attached to a predetermined location is provided at one end of a covering curtain hanger, and the periphery of the curtain hanger and the curtain hanger are provided. A curtain hanging part provided with a hanging part on the other end side of the covering curtain body hanging tool, wherein a hanging part for hanging a covering curtain body formed in a size to cover a hanging part of the curtain body hanging on the installation body is provided; Part covering structure. 2. A method according to claim 1, wherein said curtain hanging member and said mounting portion are provided between
The curtain hanger covering structure according to claim 1, further comprising fixing means for fixing the mounting portion to the curtain hanger. 3. The curtain body hanging part covering structure according to claim 1, wherein said hanging part is vertically movable to a desired hanging height with respect to said mounting part. 4. The suspension unit according to claim 1, wherein the suspension unit is horizontally movable to a desired suspension position with respect to the mounting unit.
Or the curtain hanging part covering structure according to 3. 5. The curtain body hanging portion covering structure according to claim 1, wherein the hanging portion is provided so as to be changeable in a desired hanging angle around the mounting portion. 6. A curtain body hanging part covering structure according to claim 1, wherein a hanging body on which the covering curtain body is suspended is fixed to the hanging part. 7. The curtain body hanging portion covering structure according to claim 6, wherein said hanging body is provided so as to be extendable and contractible in a length direction.