US 11,950,700 B2
Sofa backrest connection structure and sofa assembly
Weiming Chen, Jiangsu (CN); and Xiaohong Li, Jiangsu (CN)
Assigned to Remacro Technology Co., Ltd., Suzhou (CN)
Appl. No. 17/261,882
Filed by Remacro Technology Co., Ltd., Jiangsu (CN)
PCT Filed Oct. 20, 2020, PCT No. PCT/CN2020/122033
§ 371(c)(1), (2) Date Jan. 21, 2021,
PCT Pub. No. WO2021/184748, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 202020350379.X (CN), filed on Mar. 19, 2020.
Prior Publication US 2022/0110453 A1, Apr. 14, 2022
Int. Cl. A47C 13/00 (2006.01); A47C 4/02 (2006.01); A47C 7/42 (2006.01); A47C 17/17 (2006.01); A47C 17/86 (2006.01)
CPC A47C 17/17 (2013.01) [A47C 4/02 (2013.01); A47C 7/42 (2013.01); A47C 13/005 (2013.01); A47C 17/86 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A sofa backrest connection structure, characterized by comprising a first member (11) and a second member (12), wherein the first member (11) comprises a first base plate (111), two guide rails (112) symmetrically arranged on the first base plate (111), and a limiting part (113) which is arranged on the first base plate (111) and located on the two guide rails (112), and the limiting part (113) is provided with a clamping protrusion (1132);
the second member (12) comprises a second base plate (121) and a first horizontal plate (122) connected to the second base plate (121), the second base plate (121) comprises an insertion part (1211), and the insertion part (1211) is provided with a clamping hole (12111) matched with the clamping protrusion (1132);
after the insertion part (1211) is slidably inserted into and fitted with the two guide rails (112), the clamping protrusion (1132) is clamped in the clamping hole (12111); and
the first horizontal plate (122) is used for being connected with a sofa seat frame (2), and the first base plate (111) is used for being connected with a sofa backrest (3);
wherein the second base plate (121) and the first horizontal plate (122) are integrally bent and formed.