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:
Nov. 24, 2020
Filed:
May. 30, 2018
Songsan Special Elevators Co., Ltd., Gyeonggi-do, KR;
Gi-Young Kim, Gyeonggi-do, KR;
SONGSAN SPECIAL ELEVATORS CO., LTD., Gyeonggi-Do, KR;
Abstract
An emergency elevator includes a door frame installed on upper, left and right sides of an entrance of an elevator platform, an elevator car configured to vertically move along an elevator passage and provided with a pair of elevator doors, a pair of platform doors installed in the door frame, a lower frame installed on a lower side of the entrance of the elevator platform and configured to slidably support the platform doors, an upper door rim installed on an upper side of the platform doors, a side door rim vertically installed at a lateral end of the platform doors, an oxygen supply device configured to supply oxygen to a patient in the elevator car, an emergency ventilation device configured to supply a purified air into the elevator car, and a filter device provided in the blowing duct so as to remove harmful substances introduced into the elevator car.