The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2019
Filed:
Jul. 06, 2015
Applicant:
Tachikawa Corporation, Tokyo, JP;
Inventors:
Kazuto Yamagishi, Tokyo, JP;
Masaya Yamaguchi, Tokyo, JP;
Tsubasa Asaka, Tokyo, JP;
Takenobu Ebato, Tokyo, JP;
Assignee:
TACHIKAWA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B 9/322 (2006.01); E06B 9/80 (2006.01); E06B 9/304 (2006.01); E06B 9/388 (2006.01); E06B 9/58 (2006.01); E06B 9/26 (2006.01); E06B 9/42 (2006.01); E06B 9/68 (2006.01); E06B 9/72 (2006.01); E06B 9/262 (2006.01);
U.S. Cl.
CPC ...
E06B 9/80 (2013.01); E06B 9/26 (2013.01); E06B 9/304 (2013.01); E06B 9/322 (2013.01); E06B 9/388 (2013.01); E06B 9/42 (2013.01); E06B 9/581 (2013.01); E06B 9/582 (2013.01); E06B 2009/2625 (2013.01); E06B 2009/6809 (2013.01); E06B 2009/725 (2013.01); E06B 2009/808 (2013.01);
Abstract
A shielding device for opening and closing a shielding member by rotation of a winding shaft, the shielding device including a speed controller configured to control an automatic movement speed of the shielding member, wherein the speed controller includes: a housing containing a viscous fluid; and a moving member contained in the housing and configured to move by rotation of the winding shaft, and the speed controller is configured so that resistance the moving member receives from the viscous fluid varies with movement of the moving member, is provided.