公开(公告)号：US11485028B2

公开(公告)日：2022-11-01

申请号：US16566908

申请日：2019-09-11

Applicant: UBTECH ROBOTICS CORP LTD

Inventor： Zhihua Zhang ,  Mingguo Zhao ,  Hailei Li ,  Kang Li ,  Weining Zhang ,  Guangjun Hei ,  Xiaoyu He ,  Youjun Xiong

IPC: B25J17/02 ,  B25J19/00 ,  B25J19/02 ,  B62D57/032

Abstract: A linear joint includes a motor assembly includes a rotating shaft for outputting motion; a transmission mechanism including a screw and a nut threadedly connected to the screw, the nut being coaxial with respect to and securely connected to the rotating shaft so as to be rotatable together with the rotating shaft; and a rod connected to a first end of the screw so as to move together with the screw along a lengthwise direction of the screw.