发明名称 Loose leaf binder with flexible telescopic post assemblies and magnetically retained bar
摘要 A loose leaf binder having a supporting base or lower cover member and a top cover member interconnected by post assemblies receiving a plurality of paper sheets together with a bar mounted on the post assemblies for longitudinal movement thereon with the bar being retained in adjusted position by magnetic attraction between the bar and post assemblies. Each of the post assemblies are constructed of a rigid member and a flexible member which are telescopically arranged and constructed to enable angular orientation of the telescoping components of the post assemblies.
申请公布号 US4136981(A) 申请公布日期 1979.01.30
申请号 US19770792035 申请日期 1977.04.28
申请人 STECKLOW, JAMES P. 发明人 STECKLOW, JAMES P.
分类号 B42F13/14;B42F13/30;(IPC1-7):B42F3/00;B42F13/12 主分类号 B42F13/14
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