发明名称 Cover with elastic top and frictional bottom for a cushion
摘要 A cover, which fits over a cushion, has a top panel formed from a highly elastic fabric and bottom panel formed from a high friction mesh. The top panel easily conforms to the shape of the user's buttocks with exerting shear on the skin. The bottom panel stabilizes the cushion on a supporting surface by reason of substantial friction between it and the supporting surface.
申请公布号 US5111544(A) 申请公布日期 1992.05.12
申请号 US19910723408 申请日期 1991.07.01
申请人 GRAEBE, ROBERT H. 发明人 GRAEBE, ROBERT H.
分类号 A47C27/08;A47C4/54;A47C31/10;A47G9/02 主分类号 A47C27/08
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