US Patent 7063384 Flexible chair back
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Patent abstract
A flexible chair back provides a preferred elastic effect than conventional plastic chair backs, which comprises a back supporting board having a flexible member integrally extended from the back supporting board, a rear board and a spring sandwiched by the back supporting board and the rear board. The spring enhances the elasticity of the flexible member, so that the flexible member pushes a seated person's back quite adaptively, and therefore a person can sit against the chair back with comfort for a long period of time.
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Patent Inventor Names
Huang Chang Liu0
Date of Patent
June 20, 2006
0Patent Application Number
107537490
Date Filed
January 9, 2004
0Patent Primary Examiner
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US Patent 7063384 Flexible chair back
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