公开(公告)号：US20200308900A1

公开(公告)日：2020-10-01

申请号：US16663346

申请日：2019-10-25

申请人： Youngjae CHOI

发明人： Youngjae CHOI

IPC分类号： E06B3/58 ,  E06B7/18 ,  E06B3/02 ,  E06B3/28 ,  E06B3/60

摘要： Provided is a door locking system including: a frame (10) including a hole (11) and a stopper hole (12), wherein the hole (11) is formed inside the frame (10), wherein a door glass (60) is fitted in the hole (11, wherein the stopper hole (12) is recessed from the hole (11) into a first sidewall of the frame (10); a captive bolt (20) inserted into the first sidewall of the frame (10) in a first direction toward the stopper hole (12); and a stopper (30) fitted in the stopper hole (12), wherein the second direction is perpendicular to the first direction.