发明名称 Back support apparatus
摘要 A back support comprising a frame having a first end and a second end displaced from the first end, to define a gap, a resilient member attached adjacent the first end and arranged to resiliently support the frame with the first end disposed above the second end and a belt attached in spread manner to the frame, the gap in the frame being dimensioned to allow a user to pass through it into and out of the frame.
申请公布号 US4836534(A) 申请公布日期 1989.06.06
申请号 US19870105719 申请日期 1987.10.06
申请人 LEWIS, TREVOR A. 发明人 LEWIS, TREVOR A.
分类号 A61F5/02 主分类号 A61F5/02
代理机构 代理人
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