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公开(公告)号:US10766543B2
公开(公告)日:2020-09-08
申请号:US16212562
申请日:2018-12-06
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor: Hyun Rok Cha , Myeong Hwan Hwang , Jong Ho Han , Dong Hyun Kim , Gil Woo Choi , Se Hyeon Yang , Gye Seong Lee , Hae Sol Lee
Abstract: A joint member for coupling a chassis frame according to the present invention, which couples frames composing a chassis, includes a block-shaped main body and a first insertion groove into which one end portion of a first frame, which is a frame extending in a width direction of the chassis, is inserted and which is formed on one surface of the main body, and the plurality of first insertion grooves are formed in a longitudinal direction of the chassis so that a length of the chassis is changed according to a position at which the first frame is inserted.