公开(公告)号：US10696421B2

公开(公告)日：2020-06-30

申请号：US16469609

申请日：2017-10-11

申请人： Korea Airports Corporation

发明人： Dong Soo Kim ,  Kwang Ho Yang ,  Yon Sang Cho

IPC分类号： B64F1/305

摘要： A height adjustment device for adjusting a rotunda of a boarding bridge includes an external column fixed to the ground and having an inner space formed therein; an internal column which fixes a rotunda, and which is coupled so as to be slidable in the inner space such that rising and lowering is enabled; a driving unit which makes the internal column move vertically with respect to external column, and is disposed between the to the outside of the external column and the internal column; and a power unit for controlling the driving unit. The rotunda height adjustment device can be inspected, repaired for a defect thereof, and easily replaced.

公开(公告)号：US09834322B2

公开(公告)日：2017-12-05

申请号：US15503518

申请日：2015-04-14

申请人： Korea Airports Corporation ,  AG Co., Ltd.

发明人： Dong Soo Kim ,  Seung Sang Cho ,  Gi Young Do ,  Kwang Ho Yang ,  Yon Sang Cho ,  Hyung Sik Kim

IPC分类号： E01D15/00 ,  B64F1/305 ,  E01D18/00

CPC分类号： B64F1/305 ,  E01D15/00 ,  E01D18/00

摘要： 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.

公开(公告)号：US20170240297A1

公开(公告)日：2017-08-24

申请号：US15503518

申请日：2015-04-14

申请人： Korea Airports Corporation ,  AG Co., Ltd.

发明人： Dong Soo Kim ,  Seung Sang Cho ,  Gi Young Do ,  Kwang Ho Yang ,  Yon Sang Cho ,  Hyung Sik Kim

IPC分类号： B64F1/305 ,  E01D18/00 ,  E01D15/00

CPC分类号： B64F1/305 ,  E01D15/00 ,  E01D18/00

摘要： 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.