公开(公告)号：US20200164926A1

公开(公告)日：2020-05-28

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

IPC: B62D27/02

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.