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:
Dec. 05, 2017
Filed:
Apr. 14, 2015
Korea Airports Corporation, Seoul, KR;
Ag Co., Ltd., Seoul, KR;
Dong Soo Kim, Gyeonggi-do, KR;
Seung Sang Cho, Incheon, KR;
Gi Young Do, Gyeonggi-do, KR;
Kwang Ho Yang, Seoul, KR;
Yon Sang Cho, Busan, KR;
Hyung Sik Kim, Seoul, KR;
AG CO., LTD., Seoul, KR;
KOREA AIRPORTS CORPORATION, Seoul, KR;
Abstract
A height adjustment device for a rotunda can comprise: an outer column which fixes a rotunda and ascends and descends; an inner column which is connected to the outer column; a vertical screw which is placed on the lower end of the rotunda; a nut which is interlocked in correspondence to the outside diameter of the vertical screw; and rails which are provided on one side of the outer column or the inner column and are formed in correspondence to each other so as to assist the ascent and descent of the outer column.