Title:
遮蔽装置
Document Type and Number:
Japanese Patent JP7048366
Kind Code:
B2
Abstract:
To provide a human-friendly pair-type shielding device that takes into account the characteristics of the human eye.SOLUTION: In a shielding device comprises an upper shielding material that shields between a head box 101 and an intermediate rail 103a, a lower shielding material that shields between the intermediate rail and the bottom rail 103b, and a dimming cord 104a and a lifting cord, the upper shielding material opens and closes with the movement of the dimming cord when the pulling amount of the dimming cord from the head box is changed, and the bottom rail moves up and down with the movement of the lifting cord. A first speed adjustment device is provided in the head box. The first speed adjustment device is configured to gradually change the dimming amount at a substantially constant pace by applying a braking force only to the dimming cord as the dimming cord moves in one direction, therefore, the shielding device that prevents a sudden change in the dimming amount is provided.SELECTED DRAWING: Figure 1
Inventors:
Nakamura Gen
Tsubasa Asaka
Takuya Akiyama
Tsubasa Asaka
Takuya Akiyama
Application Number:
JP2018047943A
Publication Date:
April 05, 2022
Filing Date:
March 15, 2018
Export Citation:
Assignee:
Tachikawa Blind Industry Co., Ltd.
International Classes:
E06B9/80; A47H5/032; E06B9/262
Domestic Patent References:
| JP2009002121A | ||||
| JP2002349160A | ||||
| JP2017210858A | ||||
| JP2003214069A | ||||
| JP2011111763A | ||||
| JP2017206895A | ||||
| JP10140949A |
Foreign References:
| CN204049181U | ||||
| WO2014171422A1 | ||||
| US20110265962 |
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito