Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/049925
Kind Code:
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.

ASAKA, Tsubasa (3-1-12 Mita, Minato-k, Tokyo 34, 〒1088334, JP)
Application Number:
Publication Date:
March 14, 2019
Filing Date:
September 06, 2018
Export Citation:
Click for automatic bibliography generation   Help
TACHIKAWA CORPORATION (3-1-12, Mita Minato-k, Tokyo 34, 〒1088334, JP)
International Classes:
E06B9/323; E06B9/56
Foreign References:
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (Hiroo-Building 4th Floor, 3-12-40 Hiroo, Shibuya-k, Tokyo 12, 〒1500012, JP)
Download PDF: