Chair back rest with improved resilience and support
作者： Jay R. Machael , Brian R. Trego , Amin K. Habboub , Brian Erickson , Marcus C. Koepke
DOI:
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摘要: A chair having a seat and back rest comprises fluid-containing cushion in the that provides passive automatically adjustable support for user's lumbar region. The can comprise one or more chambers encompassing areas of upper regions. As user leans backs, fluid is forced from regions adjacent down to region provide enhanced user.
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