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pleated blinds

A technology of pleated curtains and curtains, which is applied in construction, door/window protection devices, building components, etc. It can solve the problems of center beam tilting (tilting rotation, loss of appearance, and increased number of parts) to avoid adverse effects , The effect of reducing the number of parts

Active Publication Date: 2019-03-01
TACHIKAWA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] However, there is a problem that the tilting (tilting rotation) of the center sill, which is the movement of the center sill itself, detracts from the appearance
In addition, in the technical solution of Patent Document 1, since pulleys and the like are used for the center beam, the number of parts also increases.
[0020] In addition, when the technical solution of Patent Document 2 is applied and the lower end edge of the upper curtain is fixed to the center beam with a stapler, there is a problem that the center beam is more likely to be tilted (tilted).
[0021] In addition, in relation to the technical solution of Patent Document 1, when the pleats of the upper screen are kept at approximately equal intervals by the support cords of the pitch maintaining cords, the second sill is set to suppress the tilting (tilting rotation) of the center rail. When the first lifting rope and the second lifting rope are placed close to each other, there is a problem of how to configure the support rope of the distance maintaining rope so that the lifting performance can be maintained

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0065] First, refer to figure 1 and figure 2 The structure of the pleat blind which concerns on one Embodiment of this invention is demonstrated. figure 1 It is a side view which shows the schematic structure of the pleat blind which concerns on one Embodiment of this invention. in addition, figure 2 yes means figure 1 It is a sectional side view of the schematic structure of the center beam 10 of 1st Embodiment in the shown pleat blind.

[0066] figure 1 The shown pleated blind is composed of a cord comprising an upper cord 4 and a lower cord 18 of different fabrics, and the lower end edge of the upper cord 4 and the upper end edge of the lower cord 18 are installed on a center rail 10, using The first lifting rope 8 and the second lifting rope 17 are respectively independent to suspend and support the middle beam 10 and the bottom rail (bottom rail) 20 .

[0067] Such as figure 1 As shown, a head box 1 is fixed on a mounting surface 3 via a mounting bracket 2 , and ...

no. 2 approach

[0110] Next, refer to Figure 8 The configuration of the center sill 10 of the second embodiment will be described. Figure 8 It is a side view showing a schematic configuration of the center rail body part 11 and the cover body 30 of the center rail 10 of the second embodiment in the pleated blind according to the embodiment of the present invention. In addition, the same code|symbol is attached|subjected to the same component as 1st Embodiment.

[0111] In the center sill 10 of the second embodiment, a rectangular parallelepiped cover body 30 is provided from the indoor side of the center sill main body 11 so as to be fitted and fixed, and the cover 30 is provided at the left and right width of the center sill main body 11. the full length of the direction. In this example, a bifurcated fitting protrusion 30a is provided on the outdoor side surface of the cover 30. The bifurcated fitting protrusion 30a has an elastically deformable arrow-shaped front end, A fitting suppor...

no. 3 approach

[0118] Next, refer to Figure 9 The configuration of the center sill 10 of the third embodiment will be described in further detail. Figure 9 It is a side view which shows the schematic structure of the center beam 10 of 3rd Embodiment in the pleat blind which is 1 Embodiment of this invention. In addition, the same code|symbol is attached|subjected to the same component as 1st Embodiment.

[0119] The third embodiment is an example in which the center sill body 11 and the material holding member 12 in the first embodiment are integrated to form the center sill body 111 . In the third embodiment, the lower end edge of the upper screen 4 and the upper end edge of the lower screen 18 are attached to the top and bottom sides of the center rail body part 111 of the center rail 10 using, for example, hook and loop fasteners, respectively. Moreover, the fixed position is defined with high precision by using the staggered layer 111c.

[0120] In addition, on the top surface side ...

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Abstract

A pleated curtain provided by the invention is equipped with a middle beam where a lower-end edge of an upper-part curtain and an upper-end edge of a lower-part curtain are installed. In the pleated curtain, the middle beam (10) is hung and supported on an upper beam (1) via a first lifting rope (8) and is hung and supported on a lower beam (20) via a second lifting rope (17), the upper-part curtain (4) is supported between the upper beam (1) and the middle beam (10), and the lower-part curtain (18) is supported between the middle beam (10) and the lower beam (20); and the lower end of the first lifting rope (8) is installed a position on the middle beam (10) and near a gravity center shaft of a main body part of the middle beam (10).

Description

technical field [0001] The invention relates to a central beam of a pleated blind. Background technique [0002] In the pleated blind, a curtain that can be bent vertically in a Z-shape is suspended from an upper beam, and the curtain is raised or lowered by an operating device to appropriately adjust the amount of daylight. [0003] As one of the above-mentioned pleated blinds, there is a pleated blind in which joining pieces are respectively provided on the upper and lower end edges of a material sheet provided with pleats in the middle part in the vertical direction, and the pleated blind is welded by welding or the like. The joining pieces are joined with the joining pieces of other fabrics to form a cord. [0004] In the pleated shade provided with the above-mentioned screen, the lifting cord is inserted into the joining piece, and the lower beam is suspended and supported from the lower end of the lifting cord, and the lower end edge of the screen is attached to the l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E06B9/262
Inventor 中村元
Owner TACHIKAWA