发明名称 Multiple chamber sequential inflation seat cushion
摘要 A seat cushion inflation system, for periodically shifting the body weight / of a person seated on the cushion. The seat cushion comprises four inflation chambers which are separately inflatable. An inflation cycle is a sequence of inflations and deflations whereby the chambers are inflated alone and in combination with other chambers, and then are deflated, with a time delay between every step.
申请公布号 US5881407(A) 申请公布日期 1999.03.16
申请号 US19980063219 申请日期 1998.04.20
申请人 CHU PT, SHYUAN 发明人 CHU PT, SHYUAN
分类号 A47C27/10;A61G5/10;A61G7/057;(IPC1-7):A47C27/10;A63G7/057 主分类号 A47C27/10
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