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Orizontal shade

A shutter and horizontal technology, applied in the field of horizontal shutters, can solve the problems of slat dislocation, slat cut and middle layer pulling rope slippage, etc., and achieve the effect of reducing operating load, simplifying structure, and reducing operating load.

Active Publication Date: 2013-01-16
NICHIBEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In addition, in the horizontal blind described in Patent Document 2, there is a problem that the engagement between the cutouts of the slats and the middle stay cords may slip, and in this case, the horizontal movement of the slats cannot be reliably prevented.

Method used

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Examples

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Embodiment Construction

[0068] Hereinafter, embodiments of the present invention will be described using the drawings.

[0069] (first embodiment)

[0070] Figure 1 to Figure 10 The first embodiment of the present invention is shown. This embodiment is especially suitable for heavier products.

[0071] In this horizontal blind, a jointless (circular) operating cord (operating part) 14 hangs down from one end of a top box 10 fixed to the window frame by a bracket 11 In other words, the operation rope 14 is wound around a pulley (operating part) 15 arranged in the top box 10, so that the pulley can be rotatably driven. The rotation of the pulley 15 may be transmitted to the rotation shaft 12 through a clutch, and the rotation shaft 12 is rotatably supported in the top box 10 . With the coupling, the rotation of the rotary shaft 12 is blocked, and only the rotation of the pulley 15 is transmitted to the rotary shaft 12 . Three lifting reels 20 are provided on the rotating shaft 12 to rotate in con...

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PUM

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Abstract

Disclosed is a horizontal shade such that raising / lowering cords are disposed at positions which are offset from the longitudinal center sections of slats, and that opening and closing operation loads are reduced. At least one raising / lowering cord (22a) is disposed along one vertical cord (16b) among front and rear vertical cords (16a, 16b), and is introduced into a head box (10) through one longitudinal side of the head box (10). The other raising / lowering cord (22b) is disposed along the other of the vertical cords (16a), and is introduced into the head box (10) thorough the other longitudinal side of the head box (10). All the raising / lowering cords (22a, 22b), which have been introduced into the head box (10) through different longitudinal positions of the head box (10), are wound up in the same direction by raising / lowering drums (20a, 20b), each drum being coupled to one end of a respective raising / lowering cord (22a, 22b).

Description

technical field [0001] The present invention relates to a horizontal blind, which is provided with a lift cord at a position deviated from the center in the front-rear direction of a slat. Background technique [0002] Generally, in a horizontal blind having many slats maintained in an aligned state, a lift cord for raising and lowering the slats passes through the lift cord perforation formed at the central portion of the slats in the front-rear direction, and passes through each of the slats. One end of the lift rope of the slat is connected to a bottom rail (bottom rail) that has been arranged below the slat, and the bottom rail is raised and lowered by the lift rope, so that the slat is raised and lowered. [0003] In contrast, horizontal blinds such as those shown in Patent Document 1 and Patent Document 2 are known as devices in which lift cords are disposed at positions deviated from the center portion in the front-rear direction of the slats. [0004] In the horizon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B9/322E06B9/382
CPCE06B9/303E06B9/322E06B9/382E06B9/62E06B2009/785
Inventor 胜亦俊大膳正明高木浩二
Owner NICHIBEI CO LTD