公开(公告)号：US20240166469A1

公开(公告)日：2024-05-23

申请号：US18386652

申请日：2023-11-03

Applicant: SEMES CO., LTD.

Inventor： Nahyun LEE ,  Myungjin LEE ,  Namho CHUNG ,  Doohyun BAEK

IPC: B66B5/22

CPC classification number: B66B5/22

Abstract: A tower lift includes a rail module extending in a vertical direction, a carriage module configured to be movable along the rail module by a magnetic levitation method, and a brake device configured to move along the rail module integrally with the carriage module, wherein the brake device includes a first brake body and a second brake body, which are configured to selectively come into contact with the rail module to prevent the carriage module from falling, and a link unit configured to connect the first brake body to the second brake body, and the link unit transfers force from one of the first brake body and the second brake body to the other of the first brake body and the second brake body.

公开(公告)号：US20240181281A1

公开(公告)日：2024-06-06

申请号：US18524742

申请日：2023-11-30

Applicant: SEMES CO., LTD.

Inventor： Doohyun BAEK ,  Eunsang YOON ,  Myungjin LEE ,  Chuljun PARK

IPC: A62C2/22

CPC classification number: A62C2/22

Abstract: The disclosure provides a shutter open-closing apparatus capable of improving producibility, assemblability, and maintainability and reducing an operating cost, a shutter open-closing system including the same, and a shutter open-closing method. The shutter open-closing apparatus includes a main body connected to a main door, which is opened and closed, to move along with movement of the main door, a main guide unit coupled to the main body, a shutter pushing unit movable on the main guide unit, a link unit rotatably connected to the shutter pushing unit to move along with movement of the shutter pushing unit, and a shutter connected to the link unit to move along with movement of the link unit, and opened and closed using a driving force for moving the main door.