公开(公告)号：US20220022651A1

公开(公告)日：2022-01-27

申请号：US17381856

申请日：2021-07-21

申请人： Zhongshan Meisihe Furniture Co., Ltd.

发明人： Liyi GUO

IPC分类号： A47C1/024 ,  A47C3/30 ,  A47C1/025

摘要： Disclosed is an underframe with an improved structure. The underframe includes an underframe body, an operating handle, a reclining pull rope and a gas spring pull rope, a cushion back-and-forth moving mechanism being installed on the outer side of the underframe body, the operating handle being installed through a left outer wall of the underframe body at a lower end of the cushion back-and-forth moving mechanism, a backrest installed on a rear end of the underframe body through a backrest connecting rod; and a reclining elastic adjusting mechanism is arranged at a front end of an inner wall of the underframe body, a backrest angle adjusting mechanism is arranged at the inner wall of the underframe body on a right side of the reclining elastic adjusting mechanism, a cushion height adjusting mechanism is fixedly connected in the underframe body.