Title:
遮蔽装置
Document Type and Number:
Japanese Patent JP7264982
Kind Code:
B2
Abstract:
Provided is a shielding device comprising a constant load unit, wherein it is possible to commonize component members across different device specifications. This shielding device comprises a drive shaft 30 for raising and lowering a screen, and a constant load unit 60 which outputs a constant load for application to the drive shaft 30, wherein the constant load unit 60 can switch between simple use in which the constant load unit 60 is used alone with respect to the drive shaft 30, and connected use in which the constant load unit 60, in a position flipped vertically with respect to simple use, connects to a gear unit 50, which changes the speed of rotation of the drive shaft 30, to transmit a constant load to the drive shaft 30.
Inventors:
Tsubasa Asaka
Application Number:
JP2021211005A
Publication Date:
April 25, 2023
Filing Date:
December 24, 2021
Export Citation:
Assignee:
Tachikawa Blind Industry Co., Ltd.
International Classes:
E06B9/322; E06B9/60; E06B9/62
Domestic Patent References:
| JP201689573A | ||||
| JP5438648A | ||||
| JP2010533809A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda