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:
Aug. 11, 2020
Filed:
May. 22, 2018
Korea Institute of Science and Technology, Seoul, KR;
Korea Institute of Science and Technology, Seoul, KR;
Abstract
Disclosed is a shielding device, which includes: a casing having an open portion; a deformable unit installed at the casing and configured to be deformed in one direction at a predetermined temperature; a power transmission unit connected to the deformable unit to transmit a power generated by the deformation of the deformable unit; and a shielding unit installed at the casing and connected to the power transmission unit to receive the power from the power transmission unit, the shielding unit being configured to open or close the open portion, wherein the deformable unit is deformed at a first temperature to be expanded or compressed, and the shielding unit closes the open portion by means of the deformation of the deformable unit.