发明名称 Sheet correspondence file suitable for desk - with sheet held by clamping element and ferro-magnetic holding plate and cover held by magnets
摘要 <p>The file for sheet correspondence has a cover formed on to a spine the width of which limits the volume of correspondence being stored. The correspondence sheets are held to the cover by a clamping element. The spine (1) consists of ferro-magnetic material fitted with a guide (3) which positions a holding plate (4) also made from ferro-magnetic material and positioned parallel to the cover (2) rigidly connected to the spine (1). The holding plate is adjustable over the width of the spine and is held against the correspondence through at least one magnet (6) fitted on both the holding plate (4) and the spine (1).</p>
申请公布号 DE2617881(A1) 申请公布日期 1977.11.03
申请号 DE19762617881 申请日期 1976.04.23
申请人 ZIEGELMANN,HELGARD 发明人 ZIEGELMANN,HELGARD
分类号 B42F9/00;B42F11/04;(IPC1-7):42F9/00 主分类号 B42F9/00
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