发明申请
- 专利标题： Backrest and method for making backrest
- 专利标题（中）： 靠背及靠背方法
-
申请号： US10662026申请日： 2003-09-12
-
公开(公告)号： US20050057085A1公开(公告)日： 2005-03-17
- 发明人: Hsiu-Hsueh Wu
- 申请人： Hsiu-Hsueh Wu
- 主分类号： A47C7/28
- IPC分类号： A47C7/28 ; A47C7/40 ; A47C7/02
摘要：
A backrest includes a frame, a web and a ring. The frame includes a margin and two rims extending on a side of the margin and a gap defined between the rims. The web is spread on the side of the frame. The ring is put on the web and fit in the annular groove so that the web is tightly spread on the frame.
信息查询
