发明授权
- 专利标题： Book support
- 专利标题（中）： 书支持
-
申请号： US765721申请日： 1985-08-15
-
公开(公告)号： US4655478A公开(公告)日： 1987-04-07
- 发明人: Brian R. Malyon
- 申请人： Brian R. Malyon
- 申请人地址： GB2 London
- 专利权人： The British Library Board
- 当前专利权人： The British Library Board
- 当前专利权人地址： GB2 London
- 优先权： GBX8422996 19840912
- 主分类号： A47B19/10
- IPC分类号： A47B19/10 ; B42D9/04 ; G03B27/62 ; G03G15/00 ; G03G15/04 ; B42D3/00
摘要：
A book support has a pair of platens set in a V-shape and a felxible web spanning between the platens at the base of the V-shape. The platens may be mounted so that they can move towards and away from one another to accommodate books of different sizes and/or opened at different positions.
公开/授权文献
- US5799729A Device for working the insides of pipes, conduits or the like 公开/授权日：1998-09-01