Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuanfeng Feng
Sheng Wang
Linlin Wu
Zhiyu Wang
Date of Patent
September 26, 2023
Patent Application Number
17989757
Date Filed
November 18, 2022
Patent Citations
Patent Primary Examiner
Patent abstract
The present application relates to an unfolding device of sofa, including a base. A side plate is provided above the base, and a connecting rod assembly is connected between the side plate and the base; the side plate is provided with a mounting assembly for connecting to a sitting portion; a footrest assembly and a backrest connecting member is mounted on and rotatably connected with the side plate; the base is provided with a driving assembly, configured for driving the footrest assembly to rotate and the side plate to move towards a front of the unfolding device.
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