发明授权
- 专利标题： Chair attachment
- 专利标题（中）： 椅子附件
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申请号： US174346申请日： 1998-10-15
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公开(公告)号： US5934751A公开(公告)日： 1999-08-10
- 发明人: David H. Johnson , Jo Ann M. Johnson
- 申请人： David H. Johnson , Jo Ann M. Johnson
- 专利权人： Johnson; David H.,Johnson; Jo Ann M.
- 当前专利权人： Johnson; David H.,Johnson; Jo Ann M.
- 主分类号： A47C1/16
- IPC分类号： A47C1/16 ; A47C1/08
摘要：
A chair attachment for mounting on a bench, in particular a bench seat of a picnic table for providing a comfortable seat for a user. The chair attachment includes a seat and a backrest pivotally coupled thereto. A generally rectangular U-shaped mounting bracket is coupled to the bottom face of the seat for helping hold the seat in a fixed position when rested on a bench of a picnic table.
公开/授权文献
- US4845440A Distributed amplifier circuits 公开/授权日：1989-07-04
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