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:
Jun. 27, 2017
Filed:
Apr. 29, 2014
Korea Railroad Research Institute, Uiwang-si, KR;
Moo Sun Kim, Seoul, KR;
Jai-Sung Hong, Yongin-si, KR;
Jae-Ho Lee, Suwon-si, KR;
Kang-Mi Lee, Cheonan-si, KR;
Dong-Uk Jang, Suwon-si, KR;
Jung-Tai Kim, Seongnam-si, KR;
Taesik Kim, Seoul, KR;
KOREA RAILROAD RESEARCH INSTITUTE, Uiwang-si, KR;
Abstract
A door structure of an electric rail car is provided to block outside noise and vibration. The door structure of the electric rail car includes a door frame, a guide rail and a sealing device. The door frame has an opening thereinside. The guide rail guides an opening and a closing of the door frame. The sealing device is inserted into the opening, descends to make contact with the guide rail when the door frame is closed, and ascends to be spaced apart from the guide rail when the door frame is open.