ASSEMBLY SYSTEM USED IN SOFA BED AND A SOFA BED COMPRISING THE ASSEMBLY SYSTEM
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United States of America Patent
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app pub date -
Aug 7, 2017
filing date -
Dec 8, 2016
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Abstract
An assembly system used in sofa bed comprises first and second connecting rod assemblies and a member bar combination, which is composed of a plurality of member bars, each member bar is respectively connected with the first connecting rod assembly and with the second connecting rod assembly directly in a removable way. The member bars are respectively connected with the first connecting rod assembly and with the second connecting rod assembly in the form of primary-secondary rod. The assembly system allows to simply transport a frame of a sofa bed in three parts, which substantially saves the space for transportation and storage; at the same time, the three parts of the assembly system are mounted and connected very easily.
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Family
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